Willkie Farr & Gallagher LLP‘s patent litigation team handles high-profile IP disputes across a wide range of sectors, including technology, entertainment, manufacturing and pharmaceuticals. The team is active across state and federal courts, it also regularly acts on the clients’ behalf in PTAB proceedings. Sara Tonnies Horton, a prominent Chicago-based IP lawyer experienced across every major litigation and regulatory venue, leads the IP litigation practice group together with Krista Schwartz, a first chair trial attorney specialising in technology sector from San Francisco. Barrington Dyer is a name to note for IP litigation involving software and high-tech; he is based in California.
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Key clients

  • Provisur Technologies
  • Synopsys, Inc.
  • Acco Brands Corporation
  • Cardiovalve Ltd.
  • Illinois Tool Works, Inc.
  • Netflix, Inc.
  • La Jolla Pharmaceutical Co.
  • Celltrion Inc.
  • Danieli Corporation
  • CC Industries
  • Aspen Skiing Company
  • Crown Family Philanthropies
  • Lyric Opera of Chicago
  • Cellectis, Inc.

Work highlights

Trial counsel for a multinational pharmaceutical and biotechnology corporation regarding allegations of patent infringement concerning its COVID-19 vaccine.
Trial counsel for a global provider of food processing equipment company, in patent litigation against Weber, Inc. in numerous jurisdictions across the globe and proceedings in the U.S. and EU.
Achieved a jury award (on a breach of contract issue) and an agreed, contractual permanent injunction (settling a patent infringement issue) in favor of a semiconductor industry client in a breach of contract and patent infringement and case involving electronic design automation technology.
Practice head

Craig Martin; Sara Tonnies Horton; Krista S. Schwartz

Other key lawyers

Barrington Dyer