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Siegmund Gutman

Member / Chair, Life Sciences Litigation Practice; Co-chair, Patent Litigation Practice

[email protected]

+1.310.226.7866

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Sige is a nationally recognized patent litigator and counselor who serves as Chair of the firm’s Life Sciences Litigation Practice and Co-chair of our Patent Litigation Practice. He has an educational background and extensive industry experience in molecular and cell biology and biophysical chemistry. He has successfully litigated numerous cases involving biologic drug patents, other life sciences innovations, and the Hatch-Waxman Act. His practice also encompasses developing and executing market exclusivity and freedom to operate strategies for a wide range of leading life sciences companies and handling inter partes patent office actions.

Sige frequently represents clients before trial and appellate courts nationwide, including the US Court of Appeals for the Federal Circuit, as well as arbitration panels. He leverages more than 20 years of industry experience, including several as senior patent litigation counsel for one of the world’s largest biotechnology companies, to oversee all phases of disputes and deploy effective case strategies.

Clients also regularly call on Sige to design and implement patent office, FDA regulatory, and other strategies aimed at protecting patent rights and securing market exclusivity for leading biologics, pharmaceutical, biotechnology, and medical device companies. A significant portion of this work centers on inter partes matters at the US Patent and Trademark Office, including oppositions. He also provides strategic patent counseling, including addressing product life cycle management and patent portfolio development issues, and prepares third-party patent landscape analyses. Sige has experience with patent matters involving a broad spectrum of technologies, including therapeutic proteins such as monoclonal antibodies, antibody-drug conjugates, nucleic acids, gene therapy, stem cells, expression systems, screening methodologies, purification processes, DNA microarrays, small molecules, and polymer chemistry.

A recognized thought leader, Sige has frequently spoken and written about issues relating to biosimilars and generic drugs. Prior to joining Mintz, he was the chair of the Life Sciences Patent Practice of an international law firm. Earlier, he was a partner at another Am Law 100 law firm.

While in graduate school, Sige worked on research interpreting the 3-D structure of an auto-catalytic RNA using molecular biological, biochemical, and biophysical techniques. 

News & Press

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Mintz was recognized among the “100 Top Law Firms in Los Angeles” by LA Times B2B Publishing. The feature was distributed in the LA Times Sunday edition and included in the annual Top Law Firms issue

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Benchmark Litigation has recognized seventeen Mintz Members in its 2024 guide to the leading litigation firms and lawyers in the US. The firm was also acknowledged for its work in Massachusetts, being named “Highly Recommended” in the Commonwealth and received top-tier rankings across three practice categories, including General Commercial, Insurance, and White Collar.

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Mintz’s cross-border Life Sciences practice has been shortlisted in multiple categories in the LMG Life Sciences Awards 2024 Americas. Winners will be announced on September 5th. 

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187 Mintz attorneys have been recognized by Best Lawyers® in the 2025 edition of The Best Lawyers in America©. Notably, three Mintz attorneys received 2025 “Lawyer of the Year” awards, and 64 firm attorneys were included in the 2025 edition of Best Lawyers: Ones to Watch.

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Our Intellectual Property Practice earned national recognition in the 2024 edition of IAM Patent 1000 – The World’s Leading Patent Practitioners. The guide recognized Mintz with four firm-wide rankings and 14 individual attorney recommendations, including a gold ranking for Intellectual Property Chair Michael Renaud.

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Mintz announced today that 42 of its practices and 83 of its attorneys earned recognition in the 2024 edition of Chambers USA, a guide to the country’s leading law firms. Of those included in the guide, 18 attorneys and seven practice areas were awarded Chambers’ highest ranking, Band 1. The firm obtained new listings in three practice areas and 10 of its lawyers were recognized for the first time.

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The Los Angeles Business Journal covered the arrival of Siegmund Gutman, Life Sciences Litigation Chair and Patent Litigation Co-chair. Sige leads an 11-attorney team including Member David Hanna, which has joined Mintz’s offices in Boston, Los Angeles, and New York.

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A leading life sciences patent litigation team has joined Mintz. The team is led by Siegmund (“Sige”) Gutman, who will serve as Member, Chair of Life Sciences Litigation, and Co-chair of Patent Litigation. Sige is joined by Member David Hanna and nearly a dozen attorneys based in Los Angeles, Boston, and New York.

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Events & Speaking

Speaker
Dec
4
2024
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Recognition & Awards

  • LMG Life Sciences: Shortlisted, General Patent Litigator of the Year, California (2020, 2022, 2024)

  • Chambers USA California: Life Sciences: IP/Patent Litigation (2017 – 2019, 2021 – 2024)

  • IAM Patent 1000 (2015 – 2024)

  • Managing Intellectual Property: IP STARS (2021 – 2024)

  • Benchmark Litigation: National Litigation Star (2019 – 2025)

  • The Legal 500 United States: Healthcare: Life Sciences Leading Lawyer (2019 – 2024)

  • Best Lawyers in America, Biotechnology and Life Sciences Practice (2020 – 2025)

  • Daily Journal: Top Intellectual Property Lawyer (2017, 2020 – 2021, 2023 – 2024)

  • Best Lawyers in America: "Lawyer of the Year" Los Angeles, Biotechnology and Life Sciences, (2021, 2023)

  • BTI Consulting Group: Client Service All-Star (2023)

  • LMG Life Sciences: Life Sciences Star (2017 – 2023)

  • The Legal 500 United States: General Commercial Disputes (2020)

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Siegmund Gutman

Member / Chair, Life Sciences Litigation Practice; Co-chair, Patent Litigation Practice

Los Angeles