Hilary L. Preston

Hilary L. Preston is a distinguished intellectual property litigator and a Vice Chair at Vinson & Elkins LLP, where she also heads the firm's IP and technology litigation group and serves on its Management Committee. Her practice primarily focuses on defending operating companies in complex patent infringement litigation and commercial disputes across various technologies, consistently representing defendants in tracked cases.

Ms. Preston's experience spans diverse sectors including solar cell technology, digital media, mobile content delivery, e-commerce, sports, energy, high tech, consumer goods, aerospace, computer software, medical devices, and life sciences. She has handled cases involving data compression, as seen in Realtime Data LLC v. Array Networks Inc. et al., and matters concerning display/backlighting technology, such as Light Guide Innovations, LLC v. Walmart Inc., and consumer electronics in Maxell, Ltd. v. Lenovo Group Ltd. et al.

Her litigation work extends to both trial and appellate courts nationwide, including frequent appearances before the U.S. Court of Appeals for the Federal Circuit. In Realtime Data LLC v. Array Networks Inc. et al., Ms. Preston represented defendant-appellee MongoDB Inc. before the Federal Circuit. While specific trial verdicts under her direct leadership are not consistently detailed in public records, her firm's intellectual property practice has experience before the U.S. Patent and Trademark Office, suggesting familiarity with post-grant proceedings like IPRs.

Ms. Preston earned her Juris Doctor from The University of Texas School of Law in 2003 and was admitted to the New York Bar in 2004. She is also admitted to practice before the U.S. Court of Appeals for the Federal Circuit, the Second and Fifth Circuit Courts of Appeals, and various federal district courts in New York and Texas.