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David L. Ainbender

Of Counsel

(510) 463-8600
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Walnut Creek
100 Pringle Avenue
Suite 300
Walnut Creek, CA 94596


J.D., Stanford Law School, 1984

  • Stanford Moot Court Award
  • Stanford Client Counseling Competition Award

B.A., summa cum laude, History, Hofstra University, 1981

  • Phi Beta Kappa

David Ainbender is Of Counsel in the San Francisco office of GRSM, where he currently practices primarily with the Environmental/Toxic Tort and Tort and Product Liability practice groups.

David’s litigation experience includes asbestos litigation in California and other states. He has extensive civil litigation experience, including jury and bench trials in state and federal courts. Since graduating law school in 1984, David has handled a wide variety of civil litigation matters, including tort cases, complex business and entertainment litigation, and intellectual property disputes.

Since the early 1990s, David has specialized in intellectual property law, handling trademark, copyright and related intellectual property litigation and transactional matters. He has represented and advised leading brand owners in a variety of industries and has worked extensively with major media and entertainment companies in various matters involving film, television, radio and the Internet. David handles all aspects of trademark law, including trademark clearance, registration, licensing, and litigation in state and federal courts and the Trademark Trial and Appeal Board. In addition, he has taught trademark law as an Adjunct Law Professor at Pepperdine University School of Law, and has given numerous talks and presentations regarding trademarks and related intellectual property law.


  • California
  • United States District Court, Northern, Central and Eastern Districts of California


  • State Bar of California
Publications & Presentations