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David W. Leibovitch

David W. Leibovitch


Washington, DC
Alexandria, VA

David W. Leibovitch focuses his practice on the prosecution of utility and design patent applications, freedom-to-operate and invalidity opinions, post-grant proceedings at the U.S. Patent and Trademark Office, and district court patent litigation. He has experience assisting Fortune 500 companies, medium-sized enterprises, small businesses and micro-entities with patent matters. David has also conducted intellectual property due diligence investigations to assist with mergers and acquisitions.

A substantial portion of David’s work pertains to drafting, prosecution, counseling and opinion work in mechanical and electromechanical technologies. Examples of mechanical inventions on which David has advised clients include medical devices, personal hygiene products, floorboards, sports equipment, conveyor belt systems, automotive systems, heat exchangers, and food manufacturing processes including filling and packaging machines.

In view of his background in physics and computer science, David assists clients in other technological areas as well. For example, David has counseled clients in the areas of spectrometry, confocal microscopy, solar panels and solar panel components, as well as artificial intelligence, printer control software and electronics, server management, computer-implemented diagnostics, network-implemented control systems, search engines and Internet advertising systems, and vehicle control circuits and systems.

David has assisted clients in inter partes review proceedings at the U.S. Patent and Trademark Office, district court litigations and disputes at the International Trade Commission. David also participated in appeals at the Court of Appeals for the Federal Circuit.

David is an active member of the European-American Chamber of Commerce in Paris, France, and an IP Section board member of the Bar Association of the District of Columbia. David enjoys presenting on various topics of U.S. patent law to clients and colleagues in the United States and abroad. He is a native French speaker.

David is also a member of the Association for the Advancement of Artificial Intelligence.

Prior to joining Buchanan, David was a patent agent with an intellectual property law firm in Washington, DC, where he gained experience in patent prosecution. He focused his practice on medical devices including insulin pumps and continuous glucose monitors, mobile technology and telecommunications systems. He drafted and prosecuted patent applications, prepared patent opinions, performed legal research and conducted document review.

Before practicing law, David taught physics, mathematics and engineering at Gulliver Preparatory School in Miami, Florida.

David was honored by Best Lawyers in America© 2021 in the Best Lawyers: Ones to Watch edition in the area of Intellectual Property Law.