John Tsavaris practices primarily in the prosecution of mechanical patent applications, including a concentration in medical devices, and is listed in the Guide to the World’s Leading Patent Law Experts. In addition to his doctoral studies in biology, Dr. Tsavaris has more than 25 years of U.S. Navy and merchant marine experience in naval architecture and marine engineering.

Since joining Kenyon in 1987, Dr. Tsavaris has served on several firm committees, is very active in pro bono activities and associate training, and is the moderator of the firm’s highly praised mentor program. Because of his work in the mentor program, the New York State Bar Association honored Dr. Tsavaris with its Distinguished Service Award as the single most outstanding attorney in New York, in a law-related education program. Dr. Tsavaris was also awarded the Manhattan Borough President’s Certificate of Volunteerism.

Dr. Tsavaris is a Professor Emeritus of Law at Fordham University School of Law. He is also an Adjunct Professor of Law in the Graduate Intellectual Property Program at Benjamin N. Cardozo School of Law. Dr. Tsavaris has been on the Faculty of both the Practising Law Institute and the Patent Resources Group for many years where he lectures and conducts clinics in the Patent Bar Review Course, and writes, edits, and updates the Patent Bar Review Course materials to incorporate recent changes in the patent law. In addition, he is a co-author of three text books on Claim Drafting and Patent Prosecution for the Patent Resources Group. He has published several intellectual property articles.  Additionally, Dr. Tsavaris is a Professor Emeritus of the Science and Mathematics Department of Columbia University. He is a member of the Okeanos Ocean Research Foundation, an elected member in the New York Academy of Sciences, and a frequent lecturer at schools and universities.

Dr. Tsavaris also holds a Commission as a Commander in the U.S. Navy. He is a Naval Intelligence Officer with Top Secret/SCI Clearance. Shortly after the terrorist attacks of 9/11/2001, CDR Tsavaris was requested by name for recall to active duty with the U.S. Navy. He was assigned to the Joint Chiefs of Staff at the Pentagon and the Joint Intelligence Task Force for Combating Terrorism of the Defense Intelligence Agency, where he served as the Senior Detainee Interrogation Analyst. In 2004, CDR Tsavaris was selected for a “critical” Department of Defense assignment as the U.S. Naval Attaché to the U.S. Embassy in Malta. CDR Tsavaris has served as a Navy Protocol Officer, including assignments to the President.

Bar and Court Admissions
  • New York State
  • U.S. District Court for the Eastern District of New York
  • U.S. District Court for the Southern District of New York
  • Registered Patent Attorney: U.S. Patent and Trademark Office
  • New York State Supreme Court