Department profile
Morrison Foerster

Life Sciences: IP/Patent Litigation

USA Guide 2026 : California

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Morrison Foerster

Rankings

Chambers Review

Provided by Chambers

Life Sciences: IP/Patent Litigation - California

Band 1

What the Team is Known For
Morrison Foerster is recommended for its seasoned bench of patent prosecutors and for its counsel regarding the protection and commercialization of IP portfolios. The team receives attention for its transactional strength, including the handling of private financing, strategic partnership, licensing and M&A deals. The group is also noted for representing clients in patent litigation, registry actions and royalty disputes.
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Work Highlights

Provided by Chambers

  • Morrison Foerster represented NeoGenomics in a patent infringement lawsuit brought by Natera, related to RaDaR minimal residual disease (MRD) assay.

Strengths

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  • The firm has an excellent client service culture. Every attorney goes the extra mile to function not only as an expert in their field but also as a thought partner in solving the most challenging problems.

    Life Sciences: IP/Patent Litigation respondentUSA

  • With Morrison Foerster, complex licensing issues are explained with exceptional clarity.

    Life Sciences: IP/Patent Litigation respondentUSA

  • The firm's technical and legal expertise is excellent, the quality of the work product high and the customer service great.

    Life Sciences: IP/Patent Litigation respondentUSA

  • The Morrison Foerster group is very consistent in terms of practicality and solutions and has very deep experience in life sciences.

    Life Sciences: IP/Patent Litigation respondentUSA

  • The team addressses complex patent work with experience and efficiency.

    Life Sciences: IP/Patent Litigation respondentUSA

Notable Practitioners

Provided by Chambers

  • Catherine Polizzi
    Catherine Polizzi

    Catherine Polizzi

    Catherine Polizzi maintains a respected practice that encompasses a wide range of life sciences-related patent work, including prosecution and strategic portfolio management and development.

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  • Daralyn J Durie
    Daralyn J Durie

    Daralyn J Durie

    Daralyn Durie is an esteemed patent litigator who regularly handles high-value infringement claims for life sciences companies as part of a wider disputes practice.

    • Daralyn is truly a superstar and generational talent who we turn to for the most important cases. I sleep better knowing she’s on our side.

      Life Sciences: IP/Patent Litigation respondentUSA
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  • Janet Xiao
    Janet Xiao

    Janet Xiao

    Janet Xiao is well equipped to advise international clients on patent prosecution and strategy in the biotech industry, drawing on substantial technical knowledge.

    • Janet's extensive experience, deep expertise and dedication to success make her critical in driving IP strategy and execution.

      Life Sciences: IP/Patent Litigation respondentUSA

    • Janet is a real leader. She is exceptionally experienced, strong and knowledgeable.

      Life Sciences: IP/Patent Litigation respondentUSA

    • Janet has the ability to focus on the big picture, understands business objectives and provides practical advice.

      Life Sciences: IP/Patent Litigation respondentUSA
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  • Karen Potter
    Karen Potter

    Karen Potter

    Karen Potter assists with patent preparation, strategy and prosecution for both well-established and emerging biotechnology and life sciences companies.

    • Karen's knowledge base is really valuable. She is also conscientious and open to feedback.

      Life Sciences: IP/Patent Litigation respondentUSA

    • Karen is an excellent IP practitioner.

      Life Sciences: IP/Patent Litigation respondentUSA

    • Karen is an excellent lawyer and scientist, as well as a wonderful person who comprehends the complex challenges faced by startups in the life sciences space.

      Life Sciences: IP/Patent Litigation respondentUSA
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Ranked Individuals at Morrison Foerster (4)

California

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