Leon R. Turkevich

Areas of Practice
  • Patent Prosecution
  • Intellectual Property Counseling
Contact Info
  • Phone: (202) 261-1059
  • Fax: (202) 204-8587
  • Email:

Mr. Turkevich, formerly a partner of McDermott, Will & Emery, joined Manelli Denison & Selter as a partner in 1999. Mr. Turkevich has been practicing patent law since 1988, and has gained substantial intellectual property experience from patent firms such as Cushman, Darby & Cushman, and Lowe, Price, LeBlanc & Becker.

Mr Turkevich concentrates his practice on writing and prosecuting patent applications, and has written hundreds of patent applications. Mr. Turkevich also counsels clients in patent validity, infringement, and licensing matters. His technical fields of expertise include Internet of Things (IoT), cloud computing systems, web-based network systems, local area and wide area network technology, digital cellular technology, telephone communications systems, and semiconductors. He also practiced as an engineer for Hewlett Packard Company from 1985 to 1987.

He received his bachelor’s degree in electrical engineering from the University of Maryland in 1985, and his law degree, with honors, from The George Washington University Law Center in 1991. He is admitted to practice in Maryland and the District of Columbia, and before The U.S. Court of Appeals for the Federal Circuit and the U.S. Patent and Trademark Office.

Mr. Turkevich has lectured on Joint Development and Cooperative Agreements for the Virginia CLE High Tech Legal Forum, and has written on the patentability of computer algorithms for The Computer Lawyer, the European Intellectual Property Review, and the IPR Journal in Japan. Mr. Turkevich has also served as a contributing author for a treatise on patent prosecution, and as co-editor of various intellectual property newsletters.