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Michael Hostetler
Partner
Patents and Innovations
San Francisco
San Diego
mhostetler@wsgr.com

D415-947-2471

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  • Designed and implemented IP strategy for 13 FDA-approved drugs and 60 active clinical trials

Erleada, Imbruvica, Lesinurad, Maralixibat, neffy, Otiprio, Palsonify, Talazoparib, TEPEZZA, Tyrvaya, VIZZ, Widaplik, and Xiidra

  • Extensive experience representing clients on both sell-side and buy-side M&As, with eight over $1 billion

Abide Therapeutics, Amplyx Pharmaceuticals, Aragon Pharmaceuticals, Ardea Biosciences, Horizon Therapeutics, Lengo Therapeutics, Pharmacyclics, RayzeBio, Seragon Pharmaceuticals, Synthorx, and Vividion Therapeutics, each leading to an acquisition by a major pharmaceutical company.

  • Extensive experience representing underwriters, investors, and companies in financings

    Avalon BioVentures, AXA Investment Managers, Foresite Capital, Frazier Healthcare Partners, General Atlantic Service Company, Novo Holdings, OrbiMed, RA Capital Management, SR One Capital Management, venBio Partners, Vida Ventures, and other venture and investment funds, in IP diligence matters.

    Have supported more than 500 clients undergoing IP diligence for a venture round of investment

    Ambrx, ARS Pharma, Avidity Biosciences, Boundless Bio, Centessa Pharmaceuticals, Crinetics Pharmaceuticals, Denali Therapeutics, Design Therapeutics, Erasca, Harpoon Therapeutics, Janux Therapeutics, Kinnate Biopharma, LENZ Therapeutics, MBX Biosciences, ORIC Pharmaceuticals, Synthorx, and TCR2, all on IP matters related to their IPOs.

  • Connects Life Sciences Community

    Co-creator of Wilson Sonsini’s Healthcare Investment Initiative, which includes the Healthcare Investment Forum and the Innovator’s Edge Series. Also on the board of directors for LaunchBio, and co-creator and host of the NextGen VC Podcast.

Experience
  • Designed and implemented IP strategy for 13 FDA-approved drugs and 60 active clinical trials

Erleada, Imbruvica, Lesinurad, Maralixibat, neffy, Otiprio, Palsonify, Talazoparib, TEPEZZA, Tyrvaya, VIZZ, Widaplik, and Xiidra

  • Extensive experience representing clients on both sell-side and buy-side M&As, with eight over $1 billion

Abide Therapeutics, Amplyx Pharmaceuticals, Aragon Pharmaceuticals, Ardea Biosciences, Horizon Therapeutics, Lengo Therapeutics, Pharmacyclics, RayzeBio, Seragon Pharmaceuticals, Synthorx, and Vividion Therapeutics, each leading to an acquisition by a major pharmaceutical company.

  • Extensive experience representing underwriters, investors, and companies in financings

    Avalon BioVentures, AXA Investment Managers, Foresite Capital, Frazier Healthcare Partners, General Atlantic Service Company, Novo Holdings, OrbiMed, RA Capital Management, SR One Capital Management, venBio Partners, Vida Ventures, and other venture and investment funds, in IP diligence matters.

    Have supported more than 500 clients undergoing IP diligence for a venture round of investment

    Ambrx, ARS Pharma, Avidity Biosciences, Boundless Bio, Centessa Pharmaceuticals, Crinetics Pharmaceuticals, Denali Therapeutics, Design Therapeutics, Erasca, Harpoon Therapeutics, Janux Therapeutics, Kinnate Biopharma, LENZ Therapeutics, MBX Biosciences, ORIC Pharmaceuticals, Synthorx, and TCR2, all on IP matters related to their IPOs.

  • Connects Life Sciences Community

    Co-creator of Wilson Sonsini’s Healthcare Investment Initiative, which includes the Healthcare Investment Forum and the Innovator’s Edge Series. Also on the board of directors for LaunchBio, and co-creator and host of the NextGen VC Podcast.

Education
  • J.D., Duke University School of Law, 2001Order of the Coif; Summa Cum Laude; Grand Prize Winner, Duke Business Plan Competition
  • Ph.D., Chemistry, University of California, Berkeley, 1992
  • B.S., Chemistry, Massachusetts Institute of Technology, 1987
Honors
  • Recognized in the 2026 edition of Chambers USA for Intellectual Property: Patent Prosecution
  • Named among the 2026 “Top Intellectual Property Lawyers” by the Daily Journal
  • Named a finalist for “Patent Strategy Attorney of the Year (California)” for the LMG Life Sciences 2024 Americas Awards

  • Recipient, LMG Life Sciences’ 2020 Patent Strategy Attorney of the Year – California
Admissions
  • State Bar of California
  • U.S. Patent and Trademark Office
Credentials
Education
  • J.D., Duke University School of Law, 2001Order of the Coif; Summa Cum Laude; Grand Prize Winner, Duke Business Plan Competition
  • Ph.D., Chemistry, University of California, Berkeley, 1992
  • B.S., Chemistry, Massachusetts Institute of Technology, 1987
Honors
  • Recognized in the 2026 edition of Chambers USA for Intellectual Property: Patent Prosecution
  • Named among the 2026 “Top Intellectual Property Lawyers” by the Daily Journal
  • Named a finalist for “Patent Strategy Attorney of the Year (California)” for the LMG Life Sciences 2024 Americas Awards

  • Recipient, LMG Life Sciences’ 2020 Patent Strategy Attorney of the Year – California
Admissions
  • State Bar of California
  • U.S. Patent and Trademark Office

Select Speaking Engagements

  • Co-creator and host, “NextGen VC Podcast,” 2023-Present
Insights

Select Speaking Engagements

  • Co-creator and host, “NextGen VC Podcast,” 2023-Present
Focus Areas
  • Biotech
  • Intellectual Property
  • Life Sciences
  • Patents and Innovations
Recent Insights
Podcasts
NextGen VC Podcast – The $2.25 Billion Exit That Changed Lumira’s Investment Strategy: Suman Rao of Lumira Ventures
In the latest episode of the NextGen VC Podcast, Suman Rao, Ph.D., principal at Lumira Ventures, joins hosts and Wilson Sonsini partners Michael Hostetler and Jennifer Fang to discuss her path from academic science to healthcare venture capital and why she believes the best investors lead with mission before money.
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News Articles
Wilson Sonsini Practices, Attorneys Recognized in 2026 Chambers USA Guide
The 2026 Chambers USA guide has recognized Wilson Sonsini Goodrich & Rosati as a leading law firm in 44 geography-specific practice categories and named 87 Wilson Sonsini attorneys among the best in their fields. This year, the firm received four new practice area rankings, including in the nationwide National Security and Capital Markets: Convertible Debt categories, and three improved practice area rankings.
Learn More
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Recent Events
Affiliated Programs
Development of Radiopharmaceuticals: Fundamentals, Landscape, BD Deals, CMC Challenges, Theranostic Development, and IP Strategies
Wilson Sonsini is proud to sponsor the Pharmaceutical & BioScience Society (PBSS).
Learn More
Affiliated Programs
West Coast NextGen VC Forum
LaunchBio’s NextGen VC Forum is the premier event for venture capital professionals to deepen their knowledge of the life science and biotech sectors while building meaningful connections across the industry. The forum features expert led sessions that offer practical insights into evaluating, supporting, and scaling science-backed startups. Networking is built into the program to help participants expand their reach and grow their networks. Co-created with LaunchBio, the half-day forum includes a networking lunch, three interactive one-hour sessions, and a closing happy hour.
Learn More
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