LAWYER PROFILE
Mark D Selwyn

Mark D Selwyn

USA 2026

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Ranked in 1 practice area

About

Provided by WilmerHale

Practice Areas

Mark Selwyn is a partner in the Litigation/Controversy Department and co-chair of the Intellectual Property Litigation Practice Group. He joined the firm in 1994.

Mr. Selwyn’s practice focuses on intellectual property litigation. Major corporations have relied on him to litigate biomedical, electrical, chemical, mechanical, and business method patents involving a diverse array of technologies, including wireless communications, electronic commerce, digital cameras, solid state disk drives, location sensing, biosensors, water and wastewater filtration, integrated circuits and angioplasty catheters. He has represented clients in dozens of patent and other intellectual property cases in federal courts throughout the country and before the International Trade Commission (ITC). Mr. Selwyn counts among his clients many of Silicon Valley’s most prominent technology companies.

Professional Memberships

Mr. Selwyn is a member of the California Bar Foundation's Board of Directors.

Personal

JD, Columbia Law School, 1993; AB, magna cum laude, Harvard University, 1990

Chambers Review

Provided by Chambers

Chambers Guide to the USA

Intellectual Property: Patent Litigation - California

Band 2
Band 2

Individual Editorial

Mark Selwyn offers a wealth of experience litigating patent cases for clients throughout the tech industry and regularly undertakes cases with cross-border elements.

Strengths

Provided by Chambers

  • Mark Selwyn is hands down one of the hardest working attorneys in the business. The service he provides is unmatched.

    Intellectual Property: Patent LitigationChambers Guide to the USA
  • Mark Selwyn is an excellent lawyer and fantastic to work with. He is deeply knowledgeable of patent law and is a highly skilled litigator. I very much appreciate his sound, practical and strategic approach to handling litigation, especially when it comes to nuisance and patent troll matters.

    Intellectual Property: Patent LitigationChambers Guide to the USA

Ranked Individuals at WilmerHale (136)

California

California: San Francisco, Silicon Valley & Surrou

Colorado

District of Columbia

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