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Kasowitz LLP

Kasowitz LLP

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United States • Intellectual property

5

Patents: litigation (full coverage)

The IP litigation group at Kasowitz LLP, lauded for its ‘deep technical and trial skills’, is primarily active across software, telecom and manufacturing sectors. It regularly represents clients in federal patent litigations and PTAB proceedings, and has a proven track record with both plaintiffs and defendants. Jonathan K. Waldrop, a seasoned patent and trademark litigation attorney, chairs the IP practice group from San Francisco. In 2025, the team has welcomed three partners from McDermott Will & Schultel: Timothy Gilman, Daniel Apgar and Robert Pickens. Timothy Gilman, who now leads the patent litigation team in New York, is recognised for his ’deep understanding’ and strategic approach to patent litigation.
Legal 500 Editorial commentary

Accolades

Client satisfaction: Lawyer & team quality
Client satisfaction: Billing & efficiency

Testimonials

Collated independently by Legal 500 research team.

  • ‘I was working with Tim Gilman on patent infringement when he was at another firm. I found him to both thoughtful and committed.’

  • ‘Tim is an outstanding attorney with a deep understanding of legal aspects of intellectual property. He communicates well and is very effective in interacting in a comfortable, engaging manner.’

  • ‘The Kasowitz patent litigation practice is a solid team of litigators with real technical skills. The combination of both deep technical and trial skills differentiates Kasowitz.’

  • ‘I have worked closely with Timothy Gilman on multiple matters and have been impressed with his advocacy overall and his oral argument in particular. He is a strategic and aggressive patent litigator. ’

Key clients

  • Adobe
  • ASUS
  • Counterflo
  • Cox Communications
  • Fintiv
  • Geoscope Technologies Pte. Ltd
  • Google
  • Intellectual Ventures
  • Kewazinga Corp.
  • Leader Development Industrial
  • LG
  • Motorola

Work highlights

Represented Fintiv in the filing of a civil lawsuit against Apple, Inc. in the Northern District of Georgia, Atlanta Division, alleging violations of the Racketeer Influenced and Corrupt Organizations (RICO) Act, Georgia’s RICO Act, The Defend Trade Secrets Act, and Georgia’s Trade Secret Act.
Kasowitz represented Flexwage in Delaware Superior Court against Ceridian in a case involving FlexWage’s allegations that Ceridian used trade secret and confidential information related to FlexWages Earned Wage Access product shared under two non-disclosure agreements (NDAs) to develop and launch a competing product.
Kasowitz represented TrackThings in two federal patent litigations against Amazon and its mesh wi-fi subsidiary, eero, and against Netgear.
Practice head

Jonathan K. Waldrop

Other key lawyers

Timothy Gilman; Daniel Apgar; Robert Pickens