Jay P. Lessler

Jay Lessler concentrates his practice in domestic and foreign patent procurement, transactions involving intellectual property, client counseling, and patent litigation, primarily in the chemical, pharmaceutical, biotech, and computer software arts.

Jay works closely with inventors and in-house counsel to devise effective strategies to build and protect intellectual property assets.. His experience includes:

• all areas of patent prosecution involving domestic and foreign patents
• patent term extension proceedings
• licensing and joint development agreements
• purchase agreements
• material transfer agreements
• conducting due diligence investigations
• conducting validity and freedom-to-operate studies
• counseling clients in connection with the Hatch-Waxman Act and the Biologics Price Competition and Innovation Act 
• preparation of Paragraph IV Notice letters and Offers for Confidential Access pursuant to the Hatch-Waxman Act
• counseling regarding the listability of patents in the FDA Orange Book

He also has significant ANDA, biotech, and trade secret litigation experience.

Jay was the co-chair of Practising Law Institute’s (“PLI’s”) annual Advanced Patent Prosecution Workshop from 2006 through 2021.

• Speaking Engagement

  Obviousness, Obviousness-Type Double Patenting (“OTDP”), and Inherent Obviousness: Practice Notes for Patent Applications

  ACI’s 20th Advanced Summit on Life Sciences Patents June 2, 2022

  Jay P. Lessler

• Deal

  Blank Rome Represents Heraeus Holding in Medical Technology Acquisitions

  January 2022

  Peter Schnur, Thomas A. Cournoyer, Maria Trainor, Adam R. Seiden, Naomi M. Gallimore, Jason A. Snyderman

• Alert

  Supreme Court Sets Limits for Assignor Estoppel

  Intellectual Property & Technology July 13, 2021 (No. 1)

  Jay P. Lessler, Alexander S. Perry, Ameya V. Paradkar

• Blog Post

  What Could a DHHS Secretary Becerra Mean for the Pharmaceutical Industry?

  Government Contracts Navigator December 9, 2020

  Jay P. Lessler, Merle M. DeLancey Jr.

• Alert

  New Fast-Track Appeals Pilot Program for U.S. Patent Applications

  Intellectual Property & Technology July 15, 2020 (No. 11)

  Jay P. Lessler

• Alert

  Special Exemptions from Product and Patent Liability for COVID-19 Countermeasures

  Product Liability and Intellectual Property March 26, 2020

  Terry M. Henry, Jay P. Lessler

• Blog Post

  After Acetris Decision, Trade Agreements Act Compliance Questions Abound: Contractors Need Guidance

  Government Contracts Navigator February 13, 2020

  Merle M. DeLancey Jr., Jay P. Lessler, James R. Staiger

• Blog Post

  Federal Circuit Holds Generic Drugs Manufactured in the U.S. from API Produced in India Qualify for Sale to U.S. under Trade Agreements Act (Acetris Decision)

  Government Contracts Navigator February 10, 2020

  Merle M. DeLancey Jr., Jay P. Lessler, James R. Staiger

• Article

  Ensuring Section 121 Safe Harbor Applies to Patent

  Law360 January 31, 2018

  Jay P. Lessler

• Event

  Advanced Patent Prosecution Workshop 2011: Claim Drafting and Amendment Writing

  Practicing Law Institute July 13-14, 2011

  Jay P. Lessler

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Memberships

• American Chemical Society
• American Intellectual Property Law Association
• New York Intellectual Property Law Association

Admissions

• Pennsylvania
• New Jersey
• New York
• U.S. Patent and Trademark Office

Education

• Columbia University, BS
• Fordham University School of Law, JD
• New York University, MS