diff --git a/README.md b/README.md
index abb4905392cdc96f0b41e88e74308c5189d0be3b..3ee2b9f5caab187f62271517fd9d350a42b7bc16 100644
--- a/README.md
+++ b/README.md
@@ -5,7 +5,7 @@
 
 [![Join the chat at https://gitter.im/grpc/grpc](https://badges.gitter.im/grpc/grpc.svg)](https://gitter.im/grpc/grpc?utm_source=badge&utm_medium=badge&utm_campaign=pr-badge&utm_content=badge)
 
-Copyright 2015-2016 Google Inc.
+Copyright 2015 Google Inc.
 
 #Documentation
 
diff --git a/src/core/lib/iomgr/ev_poll_and_epoll_posix.c b/src/core/lib/iomgr/ev_poll_and_epoll_posix.c
index dba335490b82c095aea89457fdc11bdcd0b662af..3c8127e1a8c13f60b15a04d346a644fe98d21509 100644
--- a/src/core/lib/iomgr/ev_poll_and_epoll_posix.c
+++ b/src/core/lib/iomgr/ev_poll_and_epoll_posix.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/src/core/lib/iomgr/ev_posix.c b/src/core/lib/iomgr/ev_posix.c
index 235a7df08d9f6780594f82e98fa6c6209f12cf89..0eb95a2e091a02e38e9d9ffa3a7ffb655416482b 100644
--- a/src/core/lib/iomgr/ev_posix.c
+++ b/src/core/lib/iomgr/ev_posix.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/src/core/lib/iomgr/ev_posix.h b/src/core/lib/iomgr/ev_posix.h
index 9d27b2bcdaafe34b0008423788cb035be8e9ddc8..1fa9f5ef2d69f2c71706ab0b51987d3d05203d24 100644
--- a/src/core/lib/iomgr/ev_posix.h
+++ b/src/core/lib/iomgr/ev_posix.h
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/src/csharp/grpc.native.csharp/grpc.native.csharp.nuspec b/src/csharp/grpc.native.csharp/grpc.native.csharp.nuspec
index 6a1795b7090a38b3602b4536dac84641aedd4b9b..cc688e2bc718060b931a243a4c8296785294bb1b 100644
--- a/src/csharp/grpc.native.csharp/grpc.native.csharp.nuspec
+++ b/src/csharp/grpc.native.csharp/grpc.native.csharp.nuspec
@@ -10,7 +10,7 @@
     <requireLicenseAcceptance>false</requireLicenseAcceptance>
     <description>Native extension needed by gRPC C# library. This is not the package you are looking for, it is only meant to be used as a dependency.</description>
     <releaseNotes>Release of gRPC C core $version$ libraries.</releaseNotes>
-    <copyright>Copyright 2015-2016</copyright>
+    <copyright>Copyright 2015</copyright>
     <title>gRPC C# Native Extension</title>
     <summary>Native library required by gRPC C#</summary>
     <tags>gRPC native</tags>
diff --git a/src/python/grpcio/grpc/beta/implementations.py b/src/python/grpcio/grpc/beta/implementations.py
index 06ee7aa26e13e809fbbc49d080568d3e35db4c6d..742e94dc6526c64f31d15d1dc3faef8c6f7544df 100644
--- a/src/python/grpcio/grpc/beta/implementations.py
+++ b/src/python/grpcio/grpc/beta/implementations.py
@@ -1,4 +1,4 @@
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
diff --git a/src/python/grpcio/tests/interop/_secure_interop_test.py b/src/python/grpcio/tests/interop/_secure_interop_test.py
index 1a1a063a6f453f754cfb054108112f1a6f3e0ed2..86d7e4335120bc47798e7b7f421fc62e08d2ff32 100644
--- a/src/python/grpcio/tests/interop/_secure_interop_test.py
+++ b/src/python/grpcio/tests/interop/_secure_interop_test.py
@@ -1,4 +1,4 @@
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
diff --git a/src/python/grpcio/tests/interop/client.py b/src/python/grpcio/tests/interop/client.py
index 02a37cc6bc66b9c0b22d743baea1263b32db58a0..1d10d7e45de50e7e78013b906f917b4d5b24c0d7 100644
--- a/src/python/grpcio/tests/interop/client.py
+++ b/src/python/grpcio/tests/interop/client.py
@@ -1,4 +1,4 @@
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
diff --git a/src/python/grpcio/tests/unit/beta/_beta_features_test.py b/src/python/grpcio/tests/unit/beta/_beta_features_test.py
index b8b77a96c181bb5c665ccb2a5caee962c6971bac..bb2893a21b9a48a33deef4d2ad5ce2cef969153c 100644
--- a/src/python/grpcio/tests/unit/beta/_beta_features_test.py
+++ b/src/python/grpcio/tests/unit/beta/_beta_features_test.py
@@ -1,4 +1,4 @@
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
diff --git a/src/python/grpcio/tests/unit/beta/_face_interface_test.py b/src/python/grpcio/tests/unit/beta/_face_interface_test.py
index ea19ee47ae08a4a4aa6d0423e452e331f36b4b26..3a67516906dca30fc97827a4c16afcce38aa82a6 100644
--- a/src/python/grpcio/tests/unit/beta/_face_interface_test.py
+++ b/src/python/grpcio/tests/unit/beta/_face_interface_test.py
@@ -1,4 +1,4 @@
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
diff --git a/test/core/end2end/fixtures/proxy.c b/test/core/end2end/fixtures/proxy.c
index 1ca53cdad9cbfcdb9490d84e210bc10bba66e965..a6487a17ac29df4c81100ae5e5e104189ce8bf92 100644
--- a/test/core/end2end/fixtures/proxy.c
+++ b/test/core/end2end/fixtures/proxy.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/test/core/end2end/tests/idempotent_request.c b/test/core/end2end/tests/idempotent_request.c
index 485a8544419849a86c2895a98d9f6d6401746893..1bc6450414769bb2f7b0156f1290905284d634bc 100644
--- a/test/core/end2end/tests/idempotent_request.c
+++ b/test/core/end2end/tests/idempotent_request.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/test/core/internal_api_canaries/iomgr.c b/test/core/internal_api_canaries/iomgr.c
index 04d66994cd23bc6b8ee7b1da5640a38a2eafac22..f87a80cd90c918806bf7afae95b9d1f34fb2a40c 100644
--- a/test/core/internal_api_canaries/iomgr.c
+++ b/test/core/internal_api_canaries/iomgr.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/test/core/internal_api_canaries/support.c b/test/core/internal_api_canaries/support.c
index 7e00e0d2ff74da5642ad993e050372170be56e4a..c51cbf2522c581996d004f823f5f6812fc1c8e49 100644
--- a/test/core/internal_api_canaries/support.c
+++ b/test/core/internal_api_canaries/support.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/test/core/internal_api_canaries/transport.c b/test/core/internal_api_canaries/transport.c
index 01daabaa56617a1ec92e0972e12ca488d0cbfe76..061786541235b5544a54c936b2577bb5867e215f 100644
--- a/test/core/internal_api_canaries/transport.c
+++ b/test/core/internal_api_canaries/transport.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/test/core/surface/server_test.c b/test/core/surface/server_test.c
index 4c62d8caadbe7b59aee1b3f174ffb2c926b6993e..beb685b338c03c5259774182e23970a617447316 100644
--- a/test/core/surface/server_test.c
+++ b/test/core/surface/server_test.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/tools/gce/create_interop_worker.sh b/tools/gce/create_interop_worker.sh
index 3c49c6102aaed7b4cdb9f63cbd39645cf2f6e98a..9170d82144237986c80bc9cfb2694132a81292e7 100755
--- a/tools/gce/create_interop_worker.sh
+++ b/tools/gce/create_interop_worker.sh
@@ -1,5 +1,5 @@
 #!/bin/bash
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
diff --git a/tools/run_tests/performance/build_performance.sh b/tools/run_tests/performance/build_performance.sh
index 829c2e30405f04b3cc8c42b82d5bf88fcd1d42d1..e5c0f863697dfb95c5104bafb1caf412468e560b 100755
--- a/tools/run_tests/performance/build_performance.sh
+++ b/tools/run_tests/performance/build_performance.sh
@@ -1,5 +1,5 @@
 #!/bin/bash
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
diff --git a/tools/run_tests/performance/remote_host_build.sh b/tools/run_tests/performance/remote_host_build.sh
index fee4167d3321345bcdabc35ab2aaf0cca623a262..b8886080a5cd983a41883251ae61bbfbf2c658d7 100755
--- a/tools/run_tests/performance/remote_host_build.sh
+++ b/tools/run_tests/performance/remote_host_build.sh
@@ -1,5 +1,5 @@
 #!/bin/bash
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
diff --git a/tools/run_tests/performance/remote_host_prepare.sh b/tools/run_tests/performance/remote_host_prepare.sh
index c70e1d39639d4c960ef1a2ae869523d54f53f7c0..18633d1420e487d82746f84c054228a6acd68972 100755
--- a/tools/run_tests/performance/remote_host_prepare.sh
+++ b/tools/run_tests/performance/remote_host_prepare.sh
@@ -1,5 +1,5 @@
 #!/bin/bash
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
diff --git a/tools/run_tests/performance/run_worker_csharp.sh b/tools/run_tests/performance/run_worker_csharp.sh
index ce34b203c3cf42a091af3c86670390faca997514..b91df09b4272583b6fe759243a3ca5fed53a4872 100755
--- a/tools/run_tests/performance/run_worker_csharp.sh
+++ b/tools/run_tests/performance/run_worker_csharp.sh
@@ -1,5 +1,5 @@
 #!/bin/bash
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
diff --git a/tools/run_tests/performance/run_worker_node.sh b/tools/run_tests/performance/run_worker_node.sh
index 36bf1b20a07cf562afa4f47344b8d61fc7860772..46b6ff0177412c4559f8c31cd22386937dc6cbde 100755
--- a/tools/run_tests/performance/run_worker_node.sh
+++ b/tools/run_tests/performance/run_worker_node.sh
@@ -1,5 +1,5 @@
 #!/bin/bash
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without