Leslye B. Davidson

Partner, New York Office

About Leslye Davidson

LESLYE B. DAVIDSON has over 25 years of extensive experience representing clients on a variety of patent, trademark and copyright matters, with broad expertise in the procurement and protection of intellectual property rights, as well as in the clearance of products to prevent the risk of infringement of third party intellectual property rights.

Ms. Davidson represents clients in all phases of U.S. and foreign trademark practice, including prosecution, licensing, due diligence, litigation and clearance work. She is particularly adept at counseling clients in the early stages of their trademark portfolios, resulting in strong protectable marks. She is also skilled in the clearance of products to prevent risk of infringement by third parties. Ms. Davidson has worked with clients from a broad range of industries, including pharmaceuticals, medical devices, cosmetics, foods, and a variety of mechanical devices from printing presses to aircraft to machine and construction parts.

Ms. Davidson also represents clients in the U.S. and foreign prosecution of patents, particularly for pharmaceutical formulations, medical devices and medical treatments, including related opinion work. Ms. Davidson has significant experience in transactional work, including the drafting and negotiation of patent licenses and due diligence for the acquisition of patent rights. Her representation of clients also includes the developing and managing of patent portfolios for a wide variety of clients, from large corporations to start-ups and individuals. In addition, Ms. Davidson has participated in numerous patent litigations, including a number of medical device litigations and litigations concerning generic pharmaceutical formulations and the interface between patent law and food and drug law.

Ms. Davidson is a Top Rated Intellectual Property Attorney in New York, NY, having been selected to Super Lawyers in 2006 and 2013 – 2018.

Ms. Davidson is a member of the New York and New Jersey State Bars, is admitted to practice before the United States District Courts for the Southern and Eastern Districts of New York and is registered to practice before the U.S. Patent and Trademark Office. Ms. Davidson was an associate attorney at the law firms of Skadden, Arps, Slate, Meagher & Flom and Kenyon & Kenyon and is a registered pharmacist in the state of New Jersey.

Ms. Davidson received her Juris Doctor degree from New York University School of Law in 1990. While at NYC School of Law, Ms. Davidson was a staff member of the Annual Survey of American Law and received the MOOT Court Advocacy Award for the 1990 Spring Open Moot Court Competition. Ms Davidson received her B.S. in Pharmacy from Rutgers University College of Pharmacy in 1987 where she was awarded the Ernest Little Alumni Award for scholarship and leadership, and was inducted into both the Rho Chi Honor Society and the Phi Lambda Sigma Leadership and She graduated with high honors from Rutgers University College of Pharmacy and presented her honors thesis on “The Sale of Tobacco Products in Retail Pharmacies” at a podium presentation at the annual meeting of the American Pharmaceutical Association. The results of this thesis also were presented at the 6 th World Conference on Smoking and Health in Tokyo, Japan.

Ms. Davidson authored the article “Designing Your Generic Pharmaceutical Product: How Close to the Branded Product Is Too Close” was published in Drug Delivery Technology in April of 2010. Ms. Davidson also co-authored an article in 1991 which was published in the National Law Journal, entitled “Nutrition Labeling on Products Must Comply With New Statute” and also co-authored a quarterly column in the New York State Bar Association Food, Drug, Cosmetic and Medical Device Law Digest.


New York University School of Law
Juris Doctor, 1990

Rutgers University College of Pharmacy
B.S, Pharmacy, 1987

  • New York State
  • New Jersey
  • United States Patent and Trademark Office

+1 (212) 736-1940 X103