David’s practice focuses on intellectual property litigation involving highly complex technical and legal issues. He has represented clients in cases involving a wide range of technologies and products, including telecommunications, computer and electrical engineering, medical devices and oil drilling. His recent engagements include successful representations of clients, such as Sprint, Microsoft and Energizer, in patent infringement actions.

Before practicing law, David served as a field artillery officer in the 1st Cavalry Division of the U.S. Army where he attained the rank of captain and served a tour in Baghdad, Iraq. He also earned a Bachelor of Science degree in chemistry and life sciences from the U.S. Military Academy.

David has represented leading technology companies in litigation focused on a variety of products, including:

  • fiber optic data delivery—David is representing Sprint in a patent infringement action in Delaware asserting a portfolio of patents, which resulted in a jury verdict finding that all of the asserted patents were infringed (Sprint Commc’ns v. Comcast Cable Commc’ns); 
  • fixed cutter drill bits—David represented ReedHycalog in a patent infringement action in the Eastern District of Texas asserting a portfolio of patents, which resulted in a jury verdict finding all asserted patents infringed and not invalid (ReedHycalog v. Diamond Innovations);
  • direct current power supply for LED lights—David represented Energizer in a patent infringement action in the Eastern District of Texas (ThinkTank One v. Energizer); 
  • lithium battery technology—David assisted with representing Energizer before the Patent and Trial Appeal Board;
  • two-factor authentication—David represented PhoneFactor, a subsidiary of Microsoft, in a patent infringement action in Delaware (StrikeForce Techs. v. PhoneFactor); 
  • radioactive tracer services—David represented Core Laboratories in an action for misappropriation of trade secrets in the Western District of Oklahoma (Core Labs. v. Spectrum Tracer Servs.); and
  • video game technologies—David is representing Blizzard Entertainment and Riot Games in patent infringement actions in the Eastern District of Texas and the Central District of California (Game & Tech v. Riot Games, Game & Tech. v. Blizzard Entm’t).