Dmitry A. Kheyfits

Dmitry A. Kheyfits is a patent litigation attorney primarily focused on intellectual property disputes involving complex technology, particularly in areas such as adaptive video streaming, signal processing, multimedia presentation, remote software reprogramming, and networked equipment technologies. His practice frequently involves cases concerning content delivery networks and on-demand services.

In his tracked appearances, Mr. Kheyfits consistently represents patent owners, indicating a preference for the plaintiff side in patent enforcement actions. He has served as Local Counsel for Personalized Media Communications, LLC (PMC), a patent owner, in district court litigation.

Mr. Kheyfits is a partner at Kheyfits Belenky LLP, a firm specializing in intellectual property litigation. He was previously associated with Kheyfits P.C., which appears to be the predecessor or earlier iteration of his current firm.

A notable engagement includes his role as Local Counsel for Personalized Media Communications, LLC in Personalized Media Communications, LLC v. Netflix, Inc. (S.D.N.Y. Case No. 1:20-cv-03708), a case asserting infringement of six patents related to video streaming and content delivery. This case was ultimately dismissed with prejudice in January 2024 via a stipulated dismissal. He also appeared pro hac vice for Counter-Claim Plaintiff Brightplus in Hisense USA Corporation v. Brightplus in the Northern District of Georgia.

His practice includes significant experience before the Patent Trial and Appeal Board (PTAB), where he has represented Personalized Media Communications, LLC as Patent Owner in numerous Inter Partes Review (IPR) proceedings, including those challenged by Google and Samsung. One such IPR (IPR2017-00293, Samsung v. PMC) involved a joint request to treat settlement documents as confidential, suggesting a resolution. Mr. Kheyfits is admitted to the California Bar, though his license status was inactive as of January 14, 2026. He earned his law degree from Fordham University School of Law.