Kenneth Keller

Pillsbury Winthrop Shaw Pittman LLP

Kenneth E. Keller’s practice focuses on litigation and trial of intellectual property matters, including patents, trademarks, copyrights, misappropriation of trade secrets, internet, entertainment and complex commercial disputes.

Ken has tried more than 80 cases to verdict in federal and state courts throughout the United States, including California, Delaware, Hawaii, Nevada, Oregon, Washington, Texas, Wisconsin, New Jersey, New York, New Mexico, North Carolina, Alabama, Utah, Colorado and Florida. He has also argued appeals in the Fourth, Ninth, Tenth and Eleventh Circuit Courts of Appeal and before the Federal Circuit Court of Appeals.

For more than 40 years, Ken has represented clients in patent, trademark/trade dress and copyright infringement and domain name matters, as well as patent licensing, misappropriation of trade secrets, breach of contract and unfair competition litigation.

He also counsels clients regarding intellectual property and entertainment issues. Ken also is an expert witness in fee disputes arising out of intellectual property litigation.

In complex commercial litigation engagements, he has represented financial institutions, corporation, limited liability companies, partnerships and venture funds in a wide variety of disputes.


  • Served as lead trial counsel for regional accreditor of community colleges in action seeking an injunction voiding decision to terminate City College of San Francisco accreditation in the San Francisco Superior Court and preserved decision and accreditor’s ability to return CCSF to accredited status.
  • Defended international biotechnology company in a jury trial of a patent infringement action involving a process patent for purification of monoclonal antibodies resulting in a defense verdict.
  • Obtained a $12 million award in arbitration for limited liability company against one of its members in dispute involving leasing of PET/CT scanner.
  • Represented company producing virtual horses in “Second Life” in copyright infringement action and won summary judgment on novel issues related to standing and the Digital Millennium Copyright Act.
  • Represented a semiconductor chip manufacturer in four patent infringement lawsuits involving semiconductor technology related to programmable logic devices.
  • Defended an international biotechnology company in a patent infringement action involving seven patents pertaining to the synthesis and purification of DNA/RNA.
  • Represented domain name owner and affiliate marketer and won jury verdict in litigation involving domain name ownership and alleged breach of affiliate marketing agreement.
  • Defended manufacturer of automotive after-market windshield wipers in a jury trial involving claims of patent and trade dress infringement, resulting in defense verdict.
  • Represented president of international high technology company for 40-count federal indictment regarding custom violations and alleged scheme of under-evaluation, resulting in dismissal of all charges.

Associations :

  • American Board of Trial Advocates (elected 1991)
  • Named a Super Lawyer, Intellectual Property Litigation, 2004 to present.
  • American Bar Association (Sections: Intellectual Property; Litigation)
  • International Trademark Association (“INTA”)
  • Bar Association of San Francisco


  • J.D., University of California, Berkeley, Boalt Hall School of Law, 1976
  • B.S., Zoology, University of California, Berkeley, 1973

ADMISSIONS : California


  • All Superior Courts of California
  • U.S. District Court for the Central, Eastern, Northern and Southern Districts of California
  • Federal Circuit Court of Appeals
  • U.S. District Court for the Eastern District of Wisconsin
  • U.S. District Court for the Southern District of Florida
  • U.S. District Court for the Central District of Illinois


Rate : $$$

What types of cases Attorney Kenneth Keller & Pillsbury Winthrop Shaw Pittman LLP can handle?
Pillsbury Winthrop Shaw Pittman LLP can handle cases related to laws concerning Financial Services, Litigation, Antitrust & Trade, Intellectual Property, Trademark infringement, Product Liability. We manually verify each attorney’s practice areas before approving their profiles and reviews on our website.
Where is Pillsbury Winthrop Shaw Pittman LLP located?
Pillsbury Winthrop Shaw Pittman LLP is located at 4 Embarcadero Center, San Francisco, CA 94111, USA. You can reach out to Pillsbury Winthrop Shaw Pittman LLP using their phone line 415.983.1084. You can also check their website or email them at [email protected].
How much would it cost to hire Pillsbury Winthrop Shaw Pittman LLP?
Kenneth Keller lawyer charges are specific to each case. However, they work with contingency fees and its ranges from $$ to $$$. They also provide free consultation [and no obligation quotes] if you are interested to hire.
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Pillsbury Winthrop Shaw Pittman LLP
4 Embarcadero Center, San Francisco, CA 94111, USA
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