David M. Elihu

David M. Elihu is a Partner in the Los Angeles office of Quinn Emanuel Urquhart & Sullivan, LLP, focusing on high-stakes intellectual property and technology-related disputes. His practice spans patent litigation, trade secret disputes, and life sciences commercialization cases, among other areas. With graduate engineering degrees from MIT, Elihu handles technically complex matters across a range of industries, including life sciences (biologics, medical devices, pharmaceuticals), technology (cybersecurity, wireless communications, AI), and industrial sectors.

The provided case data shows Elihu acting as lead plaintiff's counsel for DISH Technologies in a patent suit against fuboTV. His firm biography indicates that he represents clients on both the plaintiff and defense sides. While at Quinn Emanuel, he has represented clients such as Motorola, IP Bridge, and SK Nexilis in patent infringement disputes. His notable public victories often involve trade secret and commercial arbitration, including securing a more than $173 million arbitration award for Dr. Patrick Soon-Shiong against Sorrento Therapeutics and a $93 million trial victory for Olaplex against L'Oreal in a patent and trade secret dispute. Specific outcomes for many of his patent-specific representations are not detailed in publicly available sources, and his experience before the Patent Trial and Appeal Board (PTAB) is not extensively documented in his firm profile.

Elihu began his career at Ropes & Gray before joining Quinn Emanuel. He holds a J.D. from Harvard Law School and graduate and undergraduate engineering degrees from the Massachusetts Institute of Technology. He is admitted to practice in California and New York.