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Donald D. Evenson

Retired Partner
1001 Pennsylvania Avenue NW
Washington, DC 20004-2595

Donald D. Evenson is a retired partner in Crowell & Moring's Washington, D.C. office.

Donald earned a B.A.E. in aeronautical engineering from the University of Minnesota Institute of Technology, from which he graduated in 1963, and an L.L.B. degree from the University of Minnesota, awarded in 1966. Following two years' experience as an engineer for McDonnell Douglas Corporation in St. Louis, Missouri, and a three-year term as a patent examiner in the U.S. Patent Office, Donald entered private practice in the field of intellectual property law in Washington, D.C. in 1971.

In addition to extensive experience in the preparation and prosecution of patent and trademark applications, Donald's practice also extended to commercial civil litigation of patents, other intellectual property, international trade, and related matters in the federal courts and before federal administrative agencies, including the U.S. International Trade Commission. He was registered to practice before the U.S. Patent and Trademark Office and was a member of the bars of the District of Columbia and Minnesota, as well as the bars of the Court of International Trade, the U.S. Court of Appeals for the Federal Circuit, and various other federal courts. He was also a member of the International Association for the Protection of Industrial Property, the American Bar Association, the German American Law Association, and the German VPP.


  • University of Minnesota Institute of Technology, B.A.E. aeronautical engineering (1963)
  • University of Minnesota, LL.B. (1996)


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Crowell & Moring LLP is an international law firm with approximately 550 lawyers representing clients in litigation and arbitration, regulatory and policy, and transactional matters. The firm is internationally recognized for its representation of Fortune 500 companies in high-stakes litigation, as well as its ongoing commitment to pro bono service and diversity, equity and inclusion. The firm has offices in Brussels, Doha, London, Los Angeles, New York, Orange County, San Francisco, Shanghai, and Washington, D.C.

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