diff --git a/2018/12/2018-12-07-Northwoods.md b/2018/12/2018-12-07-Northwoods.md
new file mode 100644
index 000000000..5d3bfca72
--- /dev/null
+++ b/2018/12/2018-12-07-Northwoods.md
@@ -0,0 +1,60 @@
+To GitHub's DMCA Agent  
+
+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). I have read and understand GitHub's Guide to Filing a DMCA Notice
+at
+https://help.github.com/articles/guide-to-submitting-a-dmca-takedown-notice/  
+.
+
+I have recently learned that GitHub is making available some copyrighted
+materials of Northwoods Software Corporation without its permission. Those
+materials are being made available in the GitHub project named
+"cjhcms/gojs-no-watermark" and its forks.  
+
+The original materials, that are owned by Northwoods Software Corporation
+and protected by copyright, can be found at:  
+https://gojs.net/1.6.16  
+
+Those materials include, but are not limited to, the following documents:  
+https://gojs.net/1.6.16/release/go.js  
+
+The infringing materials are in the GitHub project  
+"cjhcms/gojs-no-watermark" and its forks in the folders:  
+https://github.com/cjhcms/gojs-no-watermark/tree/master  
+https://github.com/DonaldWipper/gojs-no-watermark/tree/master  
+https://github.com/he110world/gojs-no-watermark/tree/master  
+https://github.com/it-avenger/gojs-no-watermark/tree/master  
+https://github.com/kckusal/gojs-no-watermark/tree/master  
+https://github.com/locxm93/gojs-no-watermark/tree/master  
+https://github.com/percyteng/gojs-no-watermark/tree/master  
+https://github.com/sangeethakalluri/gojs-no-watermark/tree/master  
+
+The infringing documents include but are not limited to one or more of the
+following documents within each folder:  
+color.html  
+js/go.js  
+
+Please note that Northwoods Software Corporation included copyright notices
+in the original materials and some of those copyright notices have been
+carried over into the infringing 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 entire directory hosted by GitHub at:  
+https://github.com/cjhcms/gojs-no-watermark/tree/master  
+and all of its contents and their archives and their forks, for 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, even after
+taking fair use into consideration. 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]  
+5 December 2018