David W. Leibovitch focuses his practice on patent prosecution, 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 participated in intellectual property due diligence investigations to assist with possible mergers and acquisitions.
David’s scientific background allows him to work with mechanical, software, electrical, telecommunication, and optical inventions. David has extensive experience with medical devices (e.g., stents and catheters), sports equipment, automotive engines, heat exchangers, packaging materials and packaging manufacturing, filling and packaging machines, conveyor belts, image forming and image processing systems, display devices, network-implemented control systems, search engines and Internet advertising systems, vehicle and train control systems and automotive components, solar panels and solar panel components, optical components, and spectrographs.
In post-grant proceedings, David has developed invalidity positions for petitioners and drafted preliminary responses for patent owners. David also assisted with appeals to the Federal Circuits.
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 is a native French speaker.