Department profile
Ashurst Perkins Coie – London, New York, Seattle, Sydney

Intellectual Property: Patent Prosecution

USA Guide 2026 : California

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Ashurst Perkins Coie – London, New York, Seattle, Sydney

Rankings

Chambers Review

Provided by Chambers

Intellectual Property: Patent Prosecution - California

Band 2

What the Team is Known For
Perkins Coie is a respected group with substantial experience in both contentious and noncontentious patent matters. The firm is frequently called upon to represent leading technology-sector clients in patent infringement disputes before venues including district and federal courts and the ITC. It draws upon a bench of attorneys with strong technical expertise to advise clients of all sizes on patent prosecution and portfolio management. It offers notable expertise advising Asia-based clients on US patent concerns.
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Work Highlights

Provided by Chambers

  • Perkins Coie continues to advise Olatec on patent, trademark, licensing, corporate and agreement-related matters.

Strengths

Provided by Chambers

  • Perkins Coie get the job done. They are knowledgeable and efficient.

    Intellectual Property: Patent Prosecution respondentUSA

  • We see and use Perkins Coie as our trusted partner not only for patents, but also for many other aspects of our business, including contracts, capital structure, and data strategy. We couldn’t be happier with the Perkins Coie team.

    Intellectual Property: Patent Prosecution respondentUSA

  • Perkins Coie has an excellent team combining PhD-level scientific expertise across multiple subjects and subsets of biology, chemistry, immunology and nanotechnology. They can handle any subject and matter decisively and strategically.

    Intellectual Property: Patent Prosecution respondentUSA

  • The team at Perkins Coie have deep knowledge of the IP space and help us navigate the various filings we need. They are responsive and easy to get help from at a moment’s notice. They truly feel like an expert extension of our in-house legal team.

    Intellectual Property: Patent Prosecution respondentUSA

Notable Practitioners

Provided by Chambers

  • Bing Ai
    Bing Ai

    Bing Ai

    Bing Ai draws upon an impressive technical background to advise on patent prosecution and portfolio management for tech-sector clients.

    • Bing Ai is a great IP attorney.

      Intellectual Property: Patent Prosecution respondentUSA
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  • Sarah Piepmeier
    Sarah Piepmeier

    Sarah Piepmeier

    Sarah Piepmeier maintains a broad IP litigation practice, offering substantial experience handling patent disputes for technology-sector clients.

    • Sarah Piepmeier is a great trial lawyer. She makes strong arguments to the judge and is quick on her feet.

      Intellectual Property: Patent Prosecution respondentUSA
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Ranked Individuals at Ashurst Perkins Coie – London, New York, Seattle, Sydney (2)

California

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