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+Mentor Graphics Corporation  
+[private]  
+Wilsonville, OR 97070-7777  
+[private]  
+www.mentor.com
+
+March 30, 2011
+
+Via Electronic Mail Only
+
+GitHub Inc  
+Attn: DMCA Takedown  
+589 Howard St., 4th Floor  
+San Francisco, CA 94105  
+copyright@github.com
+
+Re: Notice to Takedown Infringing Works under Provisions of the Digital Millennium Copyright Act  
+MGC Ref No.: L10189
+
+Dear GitHub,
+
+On behalf of the copyright holder, I notify you of content you host that infringes upon one or more copyrighted works, as provided by 17 U.S.C. § 512(c)(3), in the format specified by you.
+
+1. The copyrighted works infringed upon are the Nucleus® real time operating system, both source code and related documentation.
+2. All material available at the following address infringes Mentor Graphics Corporations copyrighted works. <https://github.com/justinwuchina/Silver/tree/master/src/osal/nucleus>
+3. GitHub Inc. may contact the copyright holder through me at the following address.  [private]
+4. The owner/administrator of the infringing works is unknown to Mentor Graphics Corporation.
+5. I have a good faith belief that use of the copyrighted materials described above on the infringing web pages is not authorized by the copyright owner, or its agent, or the law.
+6. I swear that the information in this notification is accurate, and under penalty of perjury, that I am authorized to act on behalf of the owner of an exclusive right to the allegedly infringed works.
+
+Sincerely,  
+[private]  
+Dated: March 30, 2011
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