Posternak Blankstein & Lund LLP is now Arent Fox. Read the press release

Jeff Leung

Jeff is an experienced litigator, successfully representing clients in complex commercial and IP litigations.
Jeff Leung, Associate, San Francisco at Arent Fox

Jeff was recently named a “Rising Star” by Super Lawyers. He practices at both the trial and appellate court levels. 

He has effectively handled a variety of commercial, patent, copyright, and business tort disputes in federal district courts, state courts and federal agencies throughout the US and before the Federal Circuit and Second Circuit Courts of Appeals. As a USPTO registered patent attorney and former software engineer, he routinely advises high-tech clients, startups, and entrepreneurs on how to protect and enforce their intellectual property rights.

Previous Work

Immediately prior to joining Arent Fox, Jeff served as a law clerk to the Honorable Eileen Bransten in the Commercial Division of the New York State Supreme Court. Jeff also served as a law clerk to the Honorable Richard B. Lowe, III, in the Commercial Division of the New York State Supreme Court.

While clerking, Jeff drafted decisions on various litigation issues in a range of complex matters, including actions by a programming distributor that sought a preliminary injunction against a broadcast satellite television provider, a non-profit organization that sought to vacate an arbitration award concerning the nationally-recognized Emmy Awards, and insurers seeking a declaratory judgment with significant implications in a contentious and protracted asbestos-related insurance coverage action.

Client Work

Some of Jeff's notable representative matters include:

  • Represented patent owner in asserting patents against global PC manufacturer
  • Represented international fashion company in defending against a patent infringement lawsuit by an NPE
  • Represented patent owner of digital security and media innovations in monetizing and enforcing patent rights
  • Represented distributor-licensee of dental regenerative products in commencing action against manufacturer-licensor for wrongful termination of agreements, seeking damages in excess of $250 million
  • Represented computer security solution provider in various matters including litigations and IP counseling 
  • Represented digital music provider in copyright royalty rate-setting proceeding
  • Represented digital music service in copyright infringement action
  • Represented a digital satellite service provider in copyright royalty rate-setting proceeding
  • Represented a series of family-owned companies in asserting claims against a managing agent
  • Represented a company under investigation by the Office of Inspector General
  • Represented numerous pro bono clients in a variety of family matters, including divorces and child support awards
  • Represented a global foods company in securing a preliminary injunction
  • Represented reinsurer in two-week arbitration trial
  • Advised non-profit in securing intellectual property protection for its assets and brand

Publications, Presentations & Recognitions

Jeff’s recent publications include:

  • "Alice approaches its 3-year anniversary: Uncertainty wanes, but troubling questions linger," Westlaw Journal Intellectual Property, Thomson Reuters, 12 April 2017
  • "How The 'Read Factors' Can Help Software Companies Post-Halo," Law360, 12 September 2016.
  • “Applying Section 512(c) of the DMCA to Video-Sharing Websites, Bright Ideas,” New York State Bar Association; Fall 2008
  • “Patent Securitizations, Patently Bad Idea? Risk/Benefit Approach Reveals Possible Reasons For Lack Of Patent Securitizations,” IPL Newsletter American Bar Association, Section Of Intellectual Property Law; Fall 2006

Life Beyond the Law

Jeff enjoys playing sports, traveling, and reading.