diff --git a/2021/02/2021-02-18-northwoods-npm.md b/2021/02/2021-02-18-northwoods-npm.md
new file mode 100644
index 000000000..a4e5dbe7b
--- /dev/null
+++ b/2021/02/2021-02-18-northwoods-npm.md
@@ -0,0 +1,38 @@
+Attention: DMCA Agent, GitHub Inc.
+
+This is a takedown notice sent on behalf of Northwoods Software Corporation pursuant to Section 512(c)(3) of the Digital Millennium Copyright Act (DMCA) and npm, Inc.'s Copyright and DMCA Policy found at https://www.npmjs.com/policies/dmca.
+
+I have recently learned that npm is making available some copyrighted materials of Northwoods Software Corporation without its permission.  Those materials are being made available as the npm package named "gojs-designer".
+
+
+The original materials, which are owned by Northwoods Software Corporation and protected by copyright, can be found at:  
+https://gojs.net/2.0.4
+
+Those materials include, but are not limited to, the following document:  
+https://gojs.net/2.0.4/release/go.js
+
+
+The infringing materials are in this npm package:  
+https://www.npmjs.com/package/gojs-designer
+
+That package is available as these archive files when downloaded by npm pack:  
+gojs-designer-1.0.0.tgz  
+gojs-designer-1.0.1.tgz
+
+The infringing documents include but are not limited to one or more of the following files within those archives:  
+package/lib/gojs-designer.umd.js
+
+Please note that Northwoods Software Corporation included copyright notices in the original materials.
+
+This message is an official notification under Section 512(c)(3) of the Digital Millennium Copyright Act.  Please remove and disable all access to the npm packages:  
+"gojs-designer"  
+their archives and their contents, all versions, immediately and world-wide.
+
+I provide this notice in good faith and with the reasonable belief that the rights of Northwoods Software Corporation are being infringed.  I declare under penalty of perjury that this notice is accurate and that I have the authority to act on behalf of Northwoods Software Corporation.
+
+/s/ [private]  
+[private], Northwoods Software Corporation  
+[private]  
+[private]  
+[private]  
+7 February 2021