Matthew B. Weiss is an Associate in the Firm’s Litigation department. He has experience in patent, trade secret, and contract disputes. Mr. Weiss has represented clients in numerous federal district courts, state courts, the International Trade Commission (ITC), and the Patent Trial and Appeal Board (PTAB). His experience covers an array of technologies including medical devices, enterprise software, biological products, adhesives, polymeric materials, manufacturing and mining processes, chemical compositions, telecommunications, electrical cables, radar, hospital sterilization systems, and light-emitting diodes. Mr. Weiss was named “One to Watch” in 2023 by Best Lawyers in America.

Representative Matters

Represented a global enterprise software company in an action for trade secret misappropriation against a major competitor.  Following a seven-week trial, the jury found that the defendant misappropriated our client’s trade secrets and awarded our client over $2 Billion in damages. The jury also found that the defendant violated the Virginia Computer Crimes Act. (Fairfax, Virginia Circuit Court). 

Defended leading medical device manufacturer against allegations of infringement of multiple patents. (Western District of Texas / Patent Trial and Appeal Board).  Case settled favorably on eve of trial.

Represented a Fortune 500 biotechnology company in obtaining dismissal of a $530 million patent infringement suit regarding recombinant DNA expression vectors. (Southern District of New York).

Represented major manufacturer of shielded electrical ribbon cables in connection with enforcement of a patent concerning high-speed server cables. (United States International Trade Commission).

Defended leading manufacturer of adhesives against allegations of patent infringement involving patent directed to sprayable adhesive system. (Western District of Washington / Patent Trial and Appeal Board).

Defended major provider of telecommunications technologies in proceedings involving approximately a dozen patents related to communication technology for the deaf and hard of hearing. (Western District of Wisconsin / Patent Trial and Appeal Board).

  • New York
  • U.S. District Court, Southern District of New York