Dariush (Darius) Keyhani

The founder of Keyhani LLC in Washington, D.C., Dariush (Darius) Keyhani is a formidable attorney providing reliable counsel in matters of intellectual property litigation. Extending his services to clients across Washington, D.C., New York and New Jersey, he handles cases involving trademarks, patents and copyrights, among others. Having worked in the legal field for more than 23 years, he makes sure his clients' brands, inventions and creations are effectively protected.

Over the course of his career, Mr. Keyhani has represented clients in more than 80 cases, spanning patent hearings, trade secret litigation, copyright infringement, and trademark and unfair competition matters. With extensive experience in handling cases in federal district and appeals courts, he has successfully counseled individuals and corporations in all stages of complex and high-stakes litigation. From preliminary hearings through trial and settlement negotiations, he strives to achieve favorable outcomes for clients through strategic legal representation.

A graduate of the University of Rochester, Mr. Keyhani pursued his legal education at the University at Buffalo School of Law, where he served as the founder and editor-in-chief of the Intellectual Property Law Journal. He later went on to receive a master's in law with a focus on trade regulation and intellectual property law. He was admitted to the D.C. Bar in 2002 and has since committed his practice to helping corporations and individuals protect their ideas.

Additionally, Mr. Keyhani is admitted to practice law before the U.S. Court of Appeals for the Federal Circuit, the U.S. Supreme Court, and district courts in New Jersey and New York. Also regularly admitted pro hac vice in federal courts across the country, he approaches every matter with rigorous dedication, offering tailored legal strategies designed around each client's specific objectives.