Quinn Emanuel Urquhart & Sullivan, LLP regularly handles intellectual property disputes, with notable experience in complex patent infringement disputes. It also assists Japanese and Asian clients with litigation and arbitration proceedings. Ryan Goldstein leads the practice, and his recent work highlights includes filing patent infringements for US-based companies.

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Key clients

  • Panasonic Corporation
  • Opticon, Inc.
  • Canon, Inc.
  • JCB
  • Nikon
  • Mitsubishi Motors
  • Line Corporation
  • IP Bridge
  • Mitsubishi Electric
  • TeamLab
  • Unification Church International

Work highlights

  • Represented Panasonic in major automobile-related patent litigation worth hundreds of millions of dollars, as both plaintiff and defendant, adverse to Magna.
  • Represented NEC in an offensive campaign involving server patents and litigations against two US companies.
  • Represented TeamLab in litigation involving its ability to protect its proprietary displays, with worldwide coverage.

Lawyers

Hall of Fame
The lawyers at the very top of the profession, widely known and respected by peers and clients for their longstanding involvement in market-leading work.

Practice head

The lawyer(s) leading their teams.

Ryan Goldstein

Other key lawyers

Hisaya Kimura