Founded in 1987, Dilworth & Barrese, LLP is a full service intellectual property law firm dedicated to aggressively implementing and defending our clients' objectives and ideals. We counsel our clients regarding all aspects of intellectual property including patentability and infringement analyses, due diligence investigations, licensing, trade secrets and unfair competition. Our practice encompasses patent prosecution, patent litigation, patent interferences, patent reexaminations and reissues, trademark registration, trademark litigation, trademark oppositions, trademark cancellations, copyright registration and copyright litigation.


Our staff includes attorneys licensed to practice in the United States Patent and Trademark Office who possess substantial expertise in all technological areas, and in all phases of representation in patent, trademark, copyright, trade secret and unfair competition matters. We represent our clients from a balanced perspective--as aggressive advocates defending their legal rights and as trusted counselors, finding creative national and worldwide solutions to their intellectual property questions and problems in an effort to give our clients a competitive advantage. Dilworth & Barrese, LLP services clients from around the world.


Dilworth & Barrese, LLP is organized according to each attorney's area of expertise, i.e., biotechnology, chemical, pharmaceutical, electrical (electronics), and mechanical arts, along with a litigation team to service each area. These groups are highly experienced and provide our clients with an intimate knowledge of intellectual property concerns which are common to those respective areas of technology. This structure eliminates inefficiency and provides our clients with the best possible representation.

Firm Overview

Phone: 516-228-8484

e-mail: iplaw@dilworthbarrese.com


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