Law Office of John A. O'Brien

Law Office of John A. O'Brien

We are a boutique intellectual property law firm located in Bridgehampton, NY.

Firm Overview

The firm's principal focus is on all phases of the United States patent laws, including litigation, opinions as to patent infringement, patent validity and patent enforceability, complex prosecution in the US Patent and Trademark Office, and arbitration and mediation.

Our goal is to provide the highest quality legal services, in a cost-efficient and timely manner. We are committed to our clients, deliver in-depth legal expertise, and draw from extensive knowledge and experience.
Main Office

Main Office
PO Box 353
Bridgehampton  NY  11932

  • 631-537-6437
Intellectual Property
The law office of John A. O'Brien will represent your intellectual property legal matters.
The law office of John A. O'Brien will represent your intellectual property legal matters.

John A. O'Brien

Jack O'Brien founded the Law Offices of John A. O'Brien, P.C. in 2007. He brings to the firm over 40 years experience in complex electronics, digital processing, software, communications, information and imaging technologies, semiconductors, copiers, printers and other electrical equipment. He has tried patent cases, both jury and non-jury, in the Federal Courts, and has argued appeals in the Federal Circuit Court of Appeals. Mr. O'Brien has been involved in all phases of United States Patent And Trademark Office practice, as well as has had extensive experience in patent licensing and counseling.

Prior to the founding of his firm, Jack O'Brien was a senior partner and member of the management committee of Fitzpatrick, Cella, Harper and Scinto, in New York City, where he practiced with the firm and its predecessors from 1967 -- 2007. While at FCHS, he successfully represented Fortune clients, including Canon, DuPont, Union Carbide, ITT and the Donnelly Corporation. He began his career as a patent examiner in the electrical arts of the United States Patent Office( 1963-67).

Mr. O'Brien has lectured on a wide variety of intellectual property issues for the American Intellectual Property Lawyers Association, the New York Intellectual Property Lawyers Association, the Practicing Law Institute and other groups.

-J.D., Georgetown University Law Center, 1967
-B. Electrical Engineering, Villanova University, 1963

Bar Admissions
The State of New York, 1968; District of Columbia, 1968; the US Court of Appeals For the Federal, Second And Third Circuits; US District Courts for the Southern and Eastern District of New York; United States Patent and Trademark Office.

Professional Activities
New York State, District of Columbia and American Bar Associations; American Intellectual Property Law Association; New York Intellectual Property Law Association; International Trade Trial Lawyers Associations; Chartered Institute of Arbitrators; ABA Section of Dispute Resolution; AIPLA Alternative Dispute Resolution Neutral Registry; New York State Dispute Resolution Association.
  • Georgetown University Law Center
    Juris Doctorate