Darius Keyhani

Darius is the founder of Keyhani LLC and heads the patent and intellectual property litigation practice in federal courts where Darius exclusively practices.* Darius has been selected as a 2026 Super Lawyer for intellectual property litigation for Washington, DC.

Darius and his team have successfully represented individuals and private/publicly held corporations in all phases of complex litigation in IP disputes. Representing clients in preliminary hearings through trials he has secured multimillion-dollar judgements/resolutions. Over the past two decades Darius has served as lead litigation and trial counsel in over eighty cases in federal district/appeals courts including the United States Supreme Court.

A graduate of NYU Law School, SUNY and the University of Rochester School of Medicine, Darius was the founding editor of the State University of New York School of Law’s Intellectual Property Law Journal (BIPLJ). Darius’ writings have been published/cited in academic law journals, trade journals and congressional/legislative committee advisory opinions on a variety of intellectual property law, international, and civil procedure issues and he is invited as a speaker/commentator/panelist at IP forums.

Darius has been a guest lecturer at George Washington University Law School and Syracuse College of Law and is on the adjunct teaching faculty at the School of Law at the State University of New York. Darius has also been interviewed/invited as a commentator by numerous national media outlets including CNN, Fox Business, and LAW360.

Previously as a visiting professor in South Korea Darius taught US IP law to the directors and examiners at the Korean Patent Office and was affiliated with premier national and international law firms where focused on IP litigation.

Darius is passionate about and dedicated to feeding the hungry, defending justice, and the rights of the underdogs, the indigent, and the forgotten and his Lahainaluna High School wrestling team in Lahaina, Maui where he grew up.

*Darius is admitted in the District of Columbia, the United States Supreme Court, the Federal Circuit Court of Appeals, the Southern District of New York, Eastern District of New York, Western District of New York, New Jersey District Court, New Jersey, and is regularly admitted pro hac vice in federal courts throughout the U.S.