Jeffrey
Liang

Partner
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Jeffrey Liang

Overview

Jeffrey Liang brings a rare combination of engineering expertise and litigation experience to patent litigation, offering clients a holistic, strategic approach to intellectual property disputes. He represents companies across all phases of patent matters—from pre-suit investigation and negotiations to discovery, depositions, oral hearings and trials. His practice spans district court litigation and IPR proceedings.

Cases he has handled involve diverse technologies, including video codecs, cryptography, artificial intelligence (AI), computer architecture, networking and video games. He also has experience with key industry standards such as H.264, H.265, AES, TLS, PCIe and IEEE 802.3 and 802.11.

Before law school, Jeffrey worked as an engineer at Intel Corporation, experience that gives him a strong technical foundation for his legal work.

Known for his strategic thinking and meticulous preparation, Jeffrey is particularly effective in synthesizing complex legal and technical issues for judges and juries. He develops clear themes, crafting and presenting arguments in a way that makes complex technologies accessible and compelling. His engineering background also allows him to consider creative alternatives and design-arounds where necessary, aligning legal strategy with clients’ technology development strategy and business objectives.

Jeffrey’s approach integrates legal, technical and business considerations, enabling clients to navigate patent disputes with confidence. A fan of go, he brings the same foresight, strategy, and precision to litigation that he does to the game, helping clients achieve practical, business-oriented outcomes.

In his free time, Jeffrey enjoys spending time with his kids and his Shiba Inu.

Experience
  • Representing leading streaming service provider in 15+ IPRs against Broadcom for patents related to video compression, DRM, adaptive streaming, web services, distributed computing, and virtual machines.
  • Represented leading streaming service provider in 2021 in a Central District of California patent dispute and a corresponding IPR. Obtained institution of the IPR, after which Patent Owner surrendered all claims and dismissed the district court action.
  • Representing leading semiconductor company in 2 IPRs against IP Value Management subsidiary involving microcontrollers, FPGAs, and other programmable devices, with both IPRs instituted and all challenged claims found invalid in Final Written Decisions.
  • Represented leading software provider in 2021 in Western District of Texas litigation involving 3 asserted patents before obtaining favorable dismissal.
  • Represented leading streaming service provider in 7 instituted PTAB challenges relating to compression technology. To date over 85 claims have been found unpatentable across 5 patents.
  • Represented leading semiconductor manufacturer in multiple IPR challenges concerning 802.11 and Bluetooth technology that were instituted and all asserted claims found invalid.
  • Represented a leading streaming provider of music in 4 IPR proceedings that settled shortly after the filing of the IPRs.
  • Represented a leading streaming service provider of music in Delaware litigation. Case settled favorably.
  • Represented leading online gaming company in an IPR and appeal that invalidated all asserted claims of a patent related to video game design.
  • In Fall of 2017, received a dismissal of a Central District of California lawsuit without any payment for a leading ride-share provider prior to even formally responding to the Complaint.
  • Represented a leading medical device company in multiple IPR proceedings involving a competitor.
  • Represented leading sporting goods company in the Central District of California litigation and obtained dismissal before responding to complaint after sending Rule 11 letter.
  • In Fall of 2016, received a dismissal of a Delaware lawsuit without any payment for a leading ride-share provider prior to even formally responding to the Complaint.
  • In Spring of 2016, represented a leading financial services company defending against a claim of patent infringement in the Eastern District of Texas. Prior to having to file an Answer, received a walkaway dismissal with prejudice for the client.
  • In 2016-2018, defended leading data storage company in patent litigation against competitor in the International Trade Commission, Southern District of New York, and IPR proceedings.
  • Defended leading telecommunications company in the Eastern District of Texas in a case involving TLS and elliptic curve cryptography.
  • Defended leading semiconductor manufacturer and software company accused of patent infringement in the Eastern District of Texas in a case involving TLS and RC4 encryption.
  • Defended telecommunications company in competitor litigation in the Western District of Wisconsin.
  • Defended leading networking company in a patent infringement case in the Northern District of Illinois, leading to a major RAND decision on IEEE 802.11.
  • Defended leading networking company before the International Trade Commission in a dispute involving IEEE 802.3, standards-related defenses, and RAND issues.
  • Defended leading cell-phone manufacturer accused of patent infringement in the Eastern District of Texas in a case involving RF transceivers.
  • Defended leading software company accused of patent infringement in the District of Delaware in a case involving networking and database services.
  • Represented a leading vendor of RFID microchips for pets against a competitor in a Federal Circuit appeal.
  • Advised various technology companies in patent licensing negotiations.
Credentials
Education

J.D., University of Texas, 2011, high honors, Order of the Coif, Associate Editor, Texas Law Review

B.S., Electrical Engineering, University of Texas, 2002

Admissions

California

United States Patent and Trademark Office

United States Court of Appeals for the Ninth Circuit

United States District Court for the Northern District of California

United States District Court for the Central District of California

United States District Court for the Western District of Texas

Honors

Best Lawyers: Ones to Watch, Best Lawyers, 2026

Ranked as one of the most active attorneys representing petitioners, Patexia IPR Intelligence Report, 2021-2022