diff --git a/build_tools/gen_mlmodel_input.py b/build_tools/gen_mlmodel_input.py
index 3345be2..a79afc2 100755
--- a/build_tools/gen_mlmodel_input.py
+++ b/build_tools/gen_mlmodel_input.py
@@ -1,4 +1,18 @@
 #!/usr/bin/env python3
+# Copyright 2022 Google LLC
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
 """Generate ML model inputs from images."""
 import argparse
 import os
diff --git a/native_log/springbok.h b/native_log/springbok.h
index 6872908..4da81ad 100644
--- a/native_log/springbok.h
+++ b/native_log/springbok.h
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2022 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 // Stub out the LOG implmentations with fprintf
 #ifndef SPRINGBOK_H
 #define SPRINGBOK_H
diff --git a/samples/device/device.h b/samples/device/device.h
index 2fb2b9d..11caf78 100644
--- a/samples/device/device.h
+++ b/samples/device/device.h
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2022 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 #ifndef SAMPLES_DEVICE_H
 #define SAMPLES_DEVICE_H
 
diff --git a/samples/device/device_static_loader.c b/samples/device/device_static_loader.c
index caa2483..6fbefd1 100644
--- a/samples/device/device_static_loader.c
+++ b/samples/device/device_static_loader.c
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2022 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 // Static library loading in IREE.
 
 #include "iree/hal/local/loaders/static_library_loader.h"
diff --git a/samples/float_model/mnist.c b/samples/float_model/mnist.c
index 55dd642..bed71e1 100644
--- a/samples/float_model/mnist.c
+++ b/samples/float_model/mnist.c
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2022 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 // mnist float model
 // MlModel struct initialization to include model I/O info.
 // Bytecode loading, input/output processes.
diff --git a/samples/float_model/mnist.h b/samples/float_model/mnist.h
index 67b2307..717830a 100644
--- a/samples/float_model/mnist.h
+++ b/samples/float_model/mnist.h
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2022 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 #ifndef SAMPLES_MNIST_H
 #define SAMPLES_MNIST_H
 
diff --git a/samples/float_model/mobilenet_v1.c b/samples/float_model/mobilenet_v1.c
index 17e08de..913c90b 100644
--- a/samples/float_model/mobilenet_v1.c
+++ b/samples/float_model/mobilenet_v1.c
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2022 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 // Mobilenet_v1_0.25_224 float model
 // MlModel struct initialization to include model I/O info.
 // Bytecode loading, input/output processes.
diff --git a/samples/float_model/mobilenet_v1.h b/samples/float_model/mobilenet_v1.h
index 1017ba6..18aa922 100644
--- a/samples/float_model/mobilenet_v1.h
+++ b/samples/float_model/mobilenet_v1.h
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2022 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 #ifndef SAMPLES_MOBILENETV1_H
 #define SAMPLES_MOBILENETV1_H
 
diff --git a/samples/lit.cfg.py b/samples/lit.cfg.py
index 32dde48..ac6b86f 100644
--- a/samples/lit.cfg.py
+++ b/samples/lit.cfg.py
@@ -1,3 +1,17 @@
+# Copyright 2022 Google LLC
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
 import os
 import sys
 
diff --git a/samples/quant_model/barcode.c b/samples/quant_model/barcode.c
index 1eb8dd1..30bb811 100644
--- a/samples/quant_model/barcode.c
+++ b/samples/quant_model/barcode.c
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2022 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 // Barcode quant model
 // MlModel struct initialization to include model I/O info.
 // Bytecode loading, input/output processes.
diff --git a/samples/quant_model/daredevil.c b/samples/quant_model/daredevil.c
index 25212d4..cb62305 100644
--- a/samples/quant_model/daredevil.c
+++ b/samples/quant_model/daredevil.c
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2022 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 // Daredevil quant model
 // MlModel struct initialization to include model I/O info.
 // Bytecode loading, input/output processes.
diff --git a/samples/quant_model/fssd_25_8bit_v2.c b/samples/quant_model/fssd_25_8bit_v2.c
index 21613b5..ab48a11 100644
--- a/samples/quant_model/fssd_25_8bit_v2.c
+++ b/samples/quant_model/fssd_25_8bit_v2.c
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2022 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 // Fssd_25_8bit_v2 quant model
 // MlModel struct initialization to include model I/O info.
 // Bytecode loading, input/output processes.
diff --git a/samples/quant_model/mobilenet_v1.c b/samples/quant_model/mobilenet_v1.c
index b4f7b34..644246d 100644
--- a/samples/quant_model/mobilenet_v1.c
+++ b/samples/quant_model/mobilenet_v1.c
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2022 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 // Mobilenet_v1_0.25_224 quant model
 // MlModel struct initialization to include model I/O info.
 // Bytecode loading, input/output processes.
diff --git a/samples/quant_model/mobilenet_v1.h b/samples/quant_model/mobilenet_v1.h
index 5277547..d511946 100644
--- a/samples/quant_model/mobilenet_v1.h
+++ b/samples/quant_model/mobilenet_v1.h
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2022 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 #ifndef SAMPLES_MOBILENETV1_H
 #define SAMPLES_MOBILENETV1_H
 
diff --git a/samples/quant_model/mobilenet_v2.c b/samples/quant_model/mobilenet_v2.c
index b1abe12..2af9d02 100644
--- a/samples/quant_model/mobilenet_v2.c
+++ b/samples/quant_model/mobilenet_v2.c
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2022 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 // Mobilenet_v2_1.0_224 quant model
 // MlModel struct initialization to include model I/O info.
 // Bytecode loading, input/output processes.
diff --git a/samples/quant_model/mobilenet_v2.h b/samples/quant_model/mobilenet_v2.h
index 42b09dc..fdc556a 100644
--- a/samples/quant_model/mobilenet_v2.h
+++ b/samples/quant_model/mobilenet_v2.h
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2022 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 #ifndef SAMPLES_MOBILENETV2_H
 #define SAMPLES_MOBILENETV2_H
 
diff --git a/samples/quant_model/person_detection.c b/samples/quant_model/person_detection.c
index b3b2e5a..b93b2b1 100644
--- a/samples/quant_model/person_detection.c
+++ b/samples/quant_model/person_detection.c
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2022 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 // Person_detection quant model
 // MlModel struct initialization to include model I/O info.
 // Bytecode loading, input/output processes.
diff --git a/samples/quant_model/person_detection.h b/samples/quant_model/person_detection.h
index 2e40ee1..9ce1c0d 100644
--- a/samples/quant_model/person_detection.h
+++ b/samples/quant_model/person_detection.h
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2022 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 #ifndef SAMPLES_PERSON_DETECTION_H
 #define SAMPLES_PERSON_DETECTION_H
 
diff --git a/samples/quant_model/scenenet_v2.c b/samples/quant_model/scenenet_v2.c
index fa0783c..a242bef 100644
--- a/samples/quant_model/scenenet_v2.c
+++ b/samples/quant_model/scenenet_v2.c
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2022 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 // Scenenet_v2 quant model
 // MlModel struct initialization to include model I/O info.
 // Bytecode loading, input/output processes.
diff --git a/samples/quant_model/semantic_lift.c b/samples/quant_model/semantic_lift.c
index b6d8477..74fbf47 100644
--- a/samples/quant_model/semantic_lift.c
+++ b/samples/quant_model/semantic_lift.c
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2022 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 // Semantic_lift quant model
 // MlModel struct initialization to include model I/O info.
 // Bytecode loading, input/output processes.
diff --git a/samples/quant_model/voice_commands.c b/samples/quant_model/voice_commands.c
index 94a68ab..c95c198 100644
--- a/samples/quant_model/voice_commands.c
+++ b/samples/quant_model/voice_commands.c
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2022 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 // Voice_commands quant model
 // MlModel struct initialization to include model I/O info.
 // Bytecode loading, input/output processes.
diff --git a/samples/risp4ml/common/constants.h b/samples/risp4ml/common/constants.h
index 5d3e658..336de71 100644
--- a/samples/risp4ml/common/constants.h
+++ b/samples/risp4ml/common/constants.h
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2022 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 #ifndef SAMPLES_RISP4ML_COMMON_CONSTANTS_H_
 #define SAMPLES_RISP4ML_COMMON_CONSTANTS_H_
 
diff --git a/samples/risp4ml/common/image.c b/samples/risp4ml/common/image.c
index 5c77445..0e32223 100644
--- a/samples/risp4ml/common/image.c
+++ b/samples/risp4ml/common/image.c
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2022 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 #include <stdlib.h>
 
 #include "samples/risp4ml/common/image.h"
diff --git a/samples/risp4ml/common/image.h b/samples/risp4ml/common/image.h
index 12c1fb4..d899158 100644
--- a/samples/risp4ml/common/image.h
+++ b/samples/risp4ml/common/image.h
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2022 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 #ifndef SAMPLES_RISP4ML_COMMON_IMAGE_H_
 #define SAMPLES_RISP4ML_COMMON_IMAGE_H_
 
diff --git a/samples/risp4ml/common/image_test.cc b/samples/risp4ml/common/image_test.cc
index a2fb28d..bf78a54 100644
--- a/samples/risp4ml/common/image_test.cc
+++ b/samples/risp4ml/common/image_test.cc
@@ -1,3 +1,17 @@
+// Copyright 2022 Google LLC
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 #include "pw_unit_test/framework.h"
 #include "samples/risp4ml/common/image.h"
 #include "samples/risp4ml/common/test_utils.h"
diff --git a/samples/risp4ml/common/test_utils.h b/samples/risp4ml/common/test_utils.h
index 616b3da..2c42e8e 100644
--- a/samples/risp4ml/common/test_utils.h
+++ b/samples/risp4ml/common/test_utils.h
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2022 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 #include <stdio.h>
 #include <stdlib.h>
 
diff --git a/samples/risp4ml/common/utils.c b/samples/risp4ml/common/utils.c
index 83386b1..7afcddf 100644
--- a/samples/risp4ml/common/utils.c
+++ b/samples/risp4ml/common/utils.c
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2022 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 #include "samples/risp4ml/common/utils.h"
 
 // int GetBayerIndex(int x, int y) {
diff --git a/samples/risp4ml/common/utils.h b/samples/risp4ml/common/utils.h
index bc29ea5..347f4d5 100644
--- a/samples/risp4ml/common/utils.h
+++ b/samples/risp4ml/common/utils.h
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2022 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 #ifndef SAMPLES_RISP4ML_COMMON_UTILS_H_
 #define SAMPLES_RISP4ML_COMMON_UTILS_H_
 
diff --git a/samples/risp4ml/isp_stages/blc.c b/samples/risp4ml/isp_stages/blc.c
index 61d8c47..5c5775a 100644
--- a/samples/risp4ml/isp_stages/blc.c
+++ b/samples/risp4ml/isp_stages/blc.c
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2022 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 #include "samples/risp4ml/common/utils.h"
 #include "samples/risp4ml/isp_stages/blc.h"
 
diff --git a/samples/risp4ml/isp_stages/blc.h b/samples/risp4ml/isp_stages/blc.h
index e4c9555..159ce80 100644
--- a/samples/risp4ml/isp_stages/blc.h
+++ b/samples/risp4ml/isp_stages/blc.h
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2022 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 #ifndef SAMPLES_RISP4ML_ISP_STAGES_BLC_H_
 #define SAMPLES_RISP4ML_ISP_STAGES_BLC_H_
 
diff --git a/samples/risp4ml/isp_stages/blc_test.cc b/samples/risp4ml/isp_stages/blc_test.cc
index ddd782b..8c39605 100644
--- a/samples/risp4ml/isp_stages/blc_test.cc
+++ b/samples/risp4ml/isp_stages/blc_test.cc
@@ -1,3 +1,17 @@
+// Copyright 2022 Google LLC
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 #include "pw_unit_test/framework.h"
 #include "samples/risp4ml/common/constants.h"
 #include "samples/risp4ml/common/test_utils.h"
diff --git a/samples/risp4ml/isp_stages/demosaic.c b/samples/risp4ml/isp_stages/demosaic.c
index 55a784b..231b330 100644
--- a/samples/risp4ml/isp_stages/demosaic.c
+++ b/samples/risp4ml/isp_stages/demosaic.c
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2022 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 #include <assert.h>
 
 #include "samples/risp4ml/common/utils.h"
diff --git a/samples/risp4ml/isp_stages/demosaic.h b/samples/risp4ml/isp_stages/demosaic.h
index d32ae98..3de0491 100644
--- a/samples/risp4ml/isp_stages/demosaic.h
+++ b/samples/risp4ml/isp_stages/demosaic.h
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2022 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 #ifndef SAMPLES_RISP4ML_ISP_STAGES_DEMOSAIC_H_
 #define SAMPLES_RISP4ML_ISP_STAGES_DEMOSAIC_H_
 
diff --git a/samples/risp4ml/isp_stages/dg.c b/samples/risp4ml/isp_stages/dg.c
index fbb66b8..dcbf889 100644
--- a/samples/risp4ml/isp_stages/dg.c
+++ b/samples/risp4ml/isp_stages/dg.c
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2022 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 #include "samples/risp4ml/common/utils.h"
 #include "samples/risp4ml/isp_stages/dg.h"
 
diff --git a/samples/risp4ml/isp_stages/dg.h b/samples/risp4ml/isp_stages/dg.h
index 5979019..db7e295 100644
--- a/samples/risp4ml/isp_stages/dg.h
+++ b/samples/risp4ml/isp_stages/dg.h
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2022 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 #ifndef SAMPLES_RISP4ML_ISP_STAGES_DG_H_
 #define SAMPLES_RISP4ML_ISP_STAGES_DG_H_
 
diff --git a/samples/risp4ml/isp_stages/dg_test.cc b/samples/risp4ml/isp_stages/dg_test.cc
index 41bf18e..1b94a30 100644
--- a/samples/risp4ml/isp_stages/dg_test.cc
+++ b/samples/risp4ml/isp_stages/dg_test.cc
@@ -1,3 +1,17 @@
+// Copyright 2022 Google LLC
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 #include "pw_unit_test/framework.h"
 #include "samples/risp4ml/common/constants.h"
 #include "samples/risp4ml/common/test_utils.h"
diff --git a/samples/risp4ml/isp_stages/downscale.c b/samples/risp4ml/isp_stages/downscale.c
index ac8e6f5..a503a1a 100644
--- a/samples/risp4ml/isp_stages/downscale.c
+++ b/samples/risp4ml/isp_stages/downscale.c
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2022 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 #include <assert.h>
 
 #include "samples/risp4ml/common/utils.h"
diff --git a/samples/risp4ml/isp_stages/downscale.h b/samples/risp4ml/isp_stages/downscale.h
index c28f697..d166610 100644
--- a/samples/risp4ml/isp_stages/downscale.h
+++ b/samples/risp4ml/isp_stages/downscale.h
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2022 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 #ifndef SAMPLES_RISP4ML_ISP_STAGES_DOWNSCALE_H_
 #define SAMPLES_RISP4ML_ISP_STAGES_DOWNSCALE_H_
 
diff --git a/samples/risp4ml/isp_stages/downscale_test.cc b/samples/risp4ml/isp_stages/downscale_test.cc
index f679b0b..a917044 100644
--- a/samples/risp4ml/isp_stages/downscale_test.cc
+++ b/samples/risp4ml/isp_stages/downscale_test.cc
@@ -1,3 +1,17 @@
+// Copyright 2022 Google LLC
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 #include <climits>
 #include <cmath>
 
diff --git a/samples/risp4ml/isp_stages/gamma.c b/samples/risp4ml/isp_stages/gamma.c
index 81cde21..b1dd975 100644
--- a/samples/risp4ml/isp_stages/gamma.c
+++ b/samples/risp4ml/isp_stages/gamma.c
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2022 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 #include "samples/risp4ml/common/utils.h"
 #include "samples/risp4ml/isp_stages/gamma.h"
 
diff --git a/samples/risp4ml/isp_stages/gamma.h b/samples/risp4ml/isp_stages/gamma.h
index 4ef3777..c3044ac 100644
--- a/samples/risp4ml/isp_stages/gamma.h
+++ b/samples/risp4ml/isp_stages/gamma.h
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2022 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 #ifndef SAMPLES_RISP4ML_ISP_STAGES_GAMMA_H_
 #define SAMPLES_RISP4ML_ISP_STAGES_GAMMA_H_
 
diff --git a/samples/risp4ml/isp_stages/gamma_test.cc b/samples/risp4ml/isp_stages/gamma_test.cc
index cbf4a94..c80372f 100644
--- a/samples/risp4ml/isp_stages/gamma_test.cc
+++ b/samples/risp4ml/isp_stages/gamma_test.cc
@@ -1,3 +1,17 @@
+// Copyright 2022 Google LLC
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 #include <cmath>
 
 #include "pw_unit_test/framework.h"
diff --git a/samples/risp4ml/isp_stages/wbg.c b/samples/risp4ml/isp_stages/wbg.c
index f38135a..8598278 100644
--- a/samples/risp4ml/isp_stages/wbg.c
+++ b/samples/risp4ml/isp_stages/wbg.c
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2022 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 #include <assert.h>
 
 #include "samples/risp4ml/common/utils.h"
diff --git a/samples/risp4ml/isp_stages/wbg.h b/samples/risp4ml/isp_stages/wbg.h
index 8c8d9b4..7c9f14d 100644
--- a/samples/risp4ml/isp_stages/wbg.h
+++ b/samples/risp4ml/isp_stages/wbg.h
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2022 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 #ifndef SAMPLES_RISP4ML_ISP_STAGES_WBG_H_
 #define SAMPLES_RISP4ML_ISP_STAGES_WBG_H_
 
diff --git a/samples/risp4ml/isp_stages/wbg_test.cc b/samples/risp4ml/isp_stages/wbg_test.cc
index 52695a0..14da4d8 100644
--- a/samples/risp4ml/isp_stages/wbg_test.cc
+++ b/samples/risp4ml/isp_stages/wbg_test.cc
@@ -1,3 +1,17 @@
+// Copyright 2022 Google LLC
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 #include "pw_unit_test/framework.h"
 #include "samples/risp4ml/common/constants.h"
 #include "samples/risp4ml/common/test_utils.h"
diff --git a/samples/risp4ml/pipeline/pipeline.c b/samples/risp4ml/pipeline/pipeline.c
index bca482d..e445b52 100644
--- a/samples/risp4ml/pipeline/pipeline.c
+++ b/samples/risp4ml/pipeline/pipeline.c
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2022 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 #include "samples/risp4ml/common/utils.h"
 #include "samples/risp4ml/isp_stages/blc.h"
 #include "samples/risp4ml/isp_stages/demosaic.h"
diff --git a/samples/risp4ml/pipeline/pipeline.h b/samples/risp4ml/pipeline/pipeline.h
index 244a41b..a9fbfeb 100644
--- a/samples/risp4ml/pipeline/pipeline.h
+++ b/samples/risp4ml/pipeline/pipeline.h
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2022 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 #ifndef SAMPLES_RISP4ML_PIPELINE_PIPELINE_H_
 #define SAMPLES_RISP4ML_PIPELINE_PIPELINE_H_
 
diff --git a/samples/simple_vec_mul/float_vec.c b/samples/simple_vec_mul/float_vec.c
index a890031..77e3a13 100644
--- a/samples/simple_vec_mul/float_vec.c
+++ b/samples/simple_vec_mul/float_vec.c
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2022 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 // Float simple_mul bytecode loading and input/output processes
 
 #include "iree/base/api.h"
diff --git a/samples/simple_vec_mul/int_vec.c b/samples/simple_vec_mul/int_vec.c
index 61ab705..1a316f8 100644
--- a/samples/simple_vec_mul/int_vec.c
+++ b/samples/simple_vec_mul/int_vec.c
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2022 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 // Integer simple_mul bytecode loading and input/output processes
 
 #include "iree/base/api.h"
diff --git a/samples/util/alloc.c b/samples/util/alloc.c
index 973b70a..50bc203 100644
--- a/samples/util/alloc.c
+++ b/samples/util/alloc.c
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2022 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 #include "samples/util/alloc.h"
 
 iree_status_t alloc_input_buffer(const MlModel *model, void **buffer) {
diff --git a/samples/util/alloc.h b/samples/util/alloc.h
index 0d7f07f..2423aa4 100644
--- a/samples/util/alloc.h
+++ b/samples/util/alloc.h
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2022 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 #ifndef SAMPLES_UTIL_ALLOC_H
 #define SAMPLES_UTIL_ALLOC_H
 
diff --git a/samples/util/model_api.h b/samples/util/model_api.h
index 18f7a2a..27eeacd 100644
--- a/samples/util/model_api.h
+++ b/samples/util/model_api.h
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2022 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 #ifndef SW_VEC_IREE_SAMPLES_UTIL_MODEL_API_H_
 #define SW_VEC_IREE_SAMPLES_UTIL_MODEL_API_H_
 
diff --git a/samples/util/util.c b/samples/util/util.c
index 16dd471..69337e4 100644
--- a/samples/util/util.c
+++ b/samples/util/util.c
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2022 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 // An example based on iree/samples/simple_embedding.
 
 #include "samples/util/util.h"
diff --git a/samples/util/util.h b/samples/util/util.h
index 68881d1..71b82b1 100644
--- a/samples/util/util.h
+++ b/samples/util/util.h
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2022 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 #ifndef SW_VEC_IREE_SAMPLES_UTIL_UTIL_H_
 #define SW_VEC_IREE_SAMPLES_UTIL_UTIL_H_
 
diff --git a/springbok_config.h b/springbok_config.h
index 974730d..eebe8f3 100644
--- a/springbok_config.h
+++ b/springbok_config.h
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2022 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 // Springbok-specific implementation for some IREE functions.
 
 #ifndef SPRINGBOK_CONFIG_H