JAMES T. HOSMER graduated from the University of Arizona in 1970 with a B.S. cum laude in Chemical Engineering. Between 1970-1973, he worked as a project design engineer for the Union Carbide Corporation in New Orleans, Louisiana. He attended American University Washington College of Law and received his J.D. magna cum laude in 1976. In law school, Mr. Hosmer was a member of the American University Law Review Staff and Law School Honor Society. He also worked full time as a law clerk for the United States Consumer Product Safety Commission.
Following law school, Mr. Hosmer served as a law clerk to The Honorable J. Walter Yeagley, Associate Judge of the District of Columbia Court of Appeals. In 1977, he entered private practice as an associate with the antitrust firm of Howrey & Simon in Washington, D.C. He joined Cushman, Darby & Cushman in 1978 and became a partner of that firm in 1983. Mr. Hosmer is admitted to practice before the bars of Virginia and the District of Columbia and the U.S. Patent and Trademark Office. He is also a member of numerous federal district and appellate courts, including courts in Virginia and the District of Columbia and has argued cases before the U.S. Courts of Appeals for the District of Columbia and Federal Circuit.
The majority of Mr. Hosmer's present practice relates to patent, trademark and copyright litigation. He has extensive trial experience, both jury and non-jury, in all aspects of intellectual property litigation, including patent, trademark, copyright, unfair competition and trade secret actions in Federal district court, U.S. Claims Court and the International Trade Commission. He has over twenty-five years of experience in patent and trademark prosecution, including appeals before the PTO Board of Patent Appeals and Interferences and the Trademark Trial and Appeal Board.
Mr. Hosmer is currently a member of the American Bar Association, the American Intellectual Property Law Association, the Federal Circuit Bar Association and the Bar Association of the District of Columbia.


