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Dr. Jeffrey W. Guise

Partner

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Jeff is a Partner in our San Diego office and is a patent prosecutor and litigator.

With more than 25 years of experience, he partners with clients to build, manage and protect their intellectual property (IP) portfolios around the world. He has a Ph.D. with a degree in molecular biology and immunology, primarily helping start-up and middle-market pharmaceutical, biotech and medical technology companies build, enforce, and monetize their patent portfolios as well as help with IP-related transactional matters and assessments, IP acquisition and licensing, non-infringement and validity opinions, freedom to operate analyses, and invention records management plans.

While he resides on the West Coast, Jeff serves clients throughout the US and Europe, and most of his clients have multinational IP needs.

Jeff’s technical experience enables him to truly understand and dive deep into the technologies his clients invent so he can best protect them, and he has worked with highly sophisticated innovations and inventions for a wide range of biotechnology, medical diagnostics, pharmaceutical, immunology, genetic engineering, genomics, proteomics, bioinformatics software, agricultural biotechnology and even electronic hardware systems.

When needed, Jeff has enforced IP through litigation, including pre-trial and trial experience, interference proceedings, and litigation counseling. He is admitted and has successfully tried cases in several US district courts, courts of appeals, and the US Patent and Trademark Office.

  • Recognized by The Legal 500 United States in the area of patents: prosecution (2022-2023)
  • Named to The Best Lawyers in America in the area of Biotechnology and Life Sciences (2022-2024)
  • Selected for inclusion in the 2018 list of "IP Stars" by Managing IP magazine

Member, American Bar Association
Member, American Intellectual Property Law Association
Member, American Society for Microbiology
Member, Federal Circuit Bar Association

  • California
  • U.S. District Court for the Central District of California
  • U.S. District Court for the Eastern District of California
  • U.S. District Court for the Northern District of California
  • U.S. District Court for the Southern District of California
  • U.S. Court of Appeals for the Federal Circuit
  • U.S. Court of Appeals for the Ninth Circuit
  • U.S. Patent and Trademark Office
  • B.S., University of Iowa
  • J.D., cum laude, University of San Diego School of Law
  • Ph.D., University of Texas, Southwest Medical Center
Dr. Jeffrey Guise

Partner

Dr. Jeffrey Guise

Partner

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