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  • J.D., Touro College, Jacob Fuchsberg Law Center, Salutatorian, 2007
  • Ph.D., University of Michigan, Analytical Chemistry, 1998
  • B.S., Lawrence Technology University, magna cum laude, 1992

Bar Admissions

  • Delaware
  • New York
  • U.S. Patent & Trademark Office

Court Admissions

  • U.S. District Court, District of Delaware

Memberships & Affiliations

American Association of Pharmaceutical Scientists

American Bar Association

American Chemical Society

American Intellectual Property Law Association

Delaware State Bar Association

Delaware Sustainable Chemistry Alliance, Inc.

New York State Bar Association

Patrick A. Walker, III, Ph.D

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  • T: 302.984.6358
    F: 302.691.1125

Patrick’s practice is in the area of Intellectual Property/Information Technology. Patrick has extensive experience in all aspects of preparation and prosecution of patent applications as well as patent litigation in the federal courts and intellectual property counseling of transaction matters. Patrick concentrates his practice in the areas of life sciences, biotechnology, pharmaceutical, chemistry, polymers and medical devices.

Patrick advises clients in matters including worldwide patent prosecution, due diligence evaluations of patent portfolios, evaluation and opinions on the patentability of inventions, freedom-to-operate and patent validity opinions, investigation and resolution of ownership and inventorship-disputes, and involvement in licensing strategies, negotiations, and agreements. Patrick’s litigation experience ranges from discovery through trial for patent, trademark, copyright, trade secret and technology licensing dispute matters, including substantial experience in Hatch-Waxman ANDA litigation. Patrick has appeared in both state and federal district courts representing a broad range of clients. His clients range from academic institutions, start-up biotechnology companies and established pharmaceutical corporations.

Patrick contributes to the community through both pro bono work and leadership positions in various non-profit organizations. He regularly participates in child custody and guardianship matters, pro bono, on behalf of Delaware Volunteer Legal Services. He also assists the U.S. District Court for the District of Delaware by representing prisoners alleging civil rights violations under 42 U.S.C. § 1983, pro bono, on behalf of the Federal Civil Panel. Patrick also serves as Secretary for the Delaware BioScience Association, the leading voice for Delaware’s BIO community.

Patrick earned his B.S. in Chemistry, magna cum laude, from Lawrence Technological University. He earned his Ph.D. in Analytical Chemistry from The University of Michigan studying novel separation techniques based on electrophoresis and Raman spectroscopy. Patrick earned his J.D., salutatorian, from Touro College of Law.

Before joining McCarter, Patrick was a Senior Research Scientist and Patent Agent at Forest Laboratories, Inc. While at Forest, Patrick prepared and prosecuted numerous patent applications related to new chemical entities, as well as methods of using and formulating the same, in the areas of CNS and cardiovascular disease treatment. Prior to Forest Laboratories, Patrick worked at Corixa Corporation (currently GSK) developing research tools to evaluate novel adjuvants for hepatitis B and malaria vaccines, and at Hercules, Inc. (currently Ashland) developing novel polymer based additives for various industries.


Developing an IP Strategy for New Technologies
Delaware Sustainable Chemistry Alliance