Siegmund (“Sige”) Gutman is chair of the Life Sciences Patent Practice, a partner in the Litigation Department, and a member of the Patent Law and Intellectual Property Groups.
Sige is an accomplished patent litigator, frequently representing clients before trial and appellate courts, as well as arbitration panels. In the life sciences area, his practice focuses on developing and executing market exclusivity and freedom-to-operate strategies, including patent office and FDA regulatory strategies, for leading biologics, pharmaceutical, biotechnology, and medical device clients. He has extensive experience successfully litigating biologic drug patent and Hatch-Waxman cases, and has frequently spoken and written about issues relating to biosimilars and generic drugs. Sige’s background combines a graduate degree in molecular and cell biology and biophysical chemistry with more than 20 years of industry experience, including serving as senior patent litigation counsel for Amgen, the world’s largest biotechnology company.
He advises clients on patent matters involving a wide range 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.
Sige also has extensive experience in inter-partes patent office actions, including oppositions, and providing strategic patent counseling, including addressing product life cycle management and patent portfolio development issues, as well as preparing third-party patent landscape analyses.
Prior to joining Proskauer, Sige was a partner at another Am Law 100 firm.
While in graduate school, Sige worked on elucidating the 3-D structure of an auto-catalytic RNA using molecular biological, biochemical and biophysical techniques. He also previously worked for a major manufacturer of photocopiers and printers, where he helped develop novel color toner particles using electrochemical, photochemical and polymer chemical techniques.
Education
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University of Illinois College of Law, J.D.
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University of California, Berkeley, M.A., Molecular and Cell Biology
- University of California, Berkeley, D. Phil. Candidate
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University of California, Santa Cruz, B.A.
Admissions & Qualifications
- U.S. Patent and Trademark Office
- Illinois
- District of Columbia
- California
Court Admissions
- U.S. Court of Appeals, Federal Circuit
- U.S. District Court, New Jersey
- U.S. District Court, California, Central District
- U.S. District Court, Colorado
- U.S. District Court, Illinois, Northern District
- U.S. District Court, Michigan, Eastern District
Awards & Recognition
Benchmark Litigation, National Litigation Star 2019-2023
Best Lawyers in America "Lawyer of the Year": Los Angeles, Biotechnology and Life Sciences, 2021, 2023
Best Lawyers in America 2020-2023
Chambers USA California: Life Sciences: IP/Patent Litigation 2017-2019, 2021
Daily Journal Top Intellectual Property Lawyer 2017, 2020-2021, 2023
IAM Patent 1000 2015-2021, 2023
LMG Life Sciences: Life Sciences Star 2017-2021
LMG Life Sciences: Shortlisted, General Patent Litigator of the Year, California 2020, 2022
The Legal 500 United States: Healthcare: Life Sciences 2019-2020, Leading Lawyer 2021-2022
The Legal 500 United States: General Commercial Disputes 2020
Managing Intellectual Property IP STARS 2021-2023
Patent Law