Quinn Emanuel Urquhart & Sullivan, LLP’s deep bench of lawyers is adept at handling high-profile and high-exposure patent litigation. Along with its exceptional trial record, the team are also sought after for its expertise in antitrust, unfair competition and trade secret cases. Leveraging its broad technical expertise, the practice recently achieved a complete defense verdict on behalf of Samsung. Victoria Maroulis, managing partner of the firm’s Silicon Valley Office, co-chairs the practice and specializes in patents related to telecoms, software, semiconductors and medical devices. Co-chair Kevin Johnson, also in Silicon Valley, focuses on litigating patent infringement, trade secrets and unfair competition. Fellow co-chair Sean Pak, based in San Francisco, brings deep technical expertise in electrical engineering and artificial intelligence. Rounding out the team’s leadership is Chicago-based David Nelson, a seasoned technology patent litigator, and Los Angeles-based Yury Kapgan, who focuses on patent infringement for both start-ups and large international corporations. Additionally, John McKee, based out of New York, is a leading attorney representing petitioners at the PTAB.
Legal 500 Editorial commentary

Key clients

  • Google LLC
  • Samsung
  • The Broad Institute
  • Vizgen, Inc .
  • C.R. Bard, Inc., Bard Peripheral Vascular, Inc. and Bard Access Systems, Inc .
  • Dental Imaging Technologies Corp. (d/b/a DEXIS )
  • JUUL Labs, Inc .
  • Nant Holdings Inc.

Work highlights

Obtained a complete defense judgment on behalf of Google LLC in a patent litigation case brought by Sonos LLC, following a jury trial in May 2023.
Won a complete defense verdict on behalf of Samsung against Evolved Wireless in the Eastern District of Texas before Judge Gilstrap in November 2023.

Lawyers

Leading partners

The strongest partners in their field, leading on market-leading deals and endorsed by peers and clients alike.

Victoria Maroulis
Sean Pak

Practice head

Victoria Maroulis; Kevin Johnson; Sean Pak; David Nelson; Yury Kapgan

Other key lawyers

John McKee