LAWYER PROFILE
Brian O'Reilly

Brian O'Reilly

USA 2026

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Ranked in 1 practice area

About

Provided by O'Reilly IP

Practice Areas

Brian O’Reilly helps innovators protect their most important intellectual property in courts throughout the United States.

Brian’s experience includes representing innovators in intellectual property disputes concerning Hatch-Waxman, patent, inventorship, royalty allocation, trademark, trade secret and copyright.

His experience leading disputes through all phases includes first chair trial work, bench and jury trials, preliminary injunction hearings, extensive motion practice, complicated and contentious discovery proceedings, appeals, presuit investigation and resolution, and settlement.

Businesses embroiled in intellectual property disputes turn to him for his extensive general litigation skill set, honed at a preeminent general litigation firm; far-reaching work representing branded pharmaceutical companies, tech companies and leading consumer brands; a deep understanding of patent law; a chemist’s understanding of science; and insight into federal courts gained while clerking in Delaware.

Education

New York University School of Law

J.D.

2002

Chambers Review

Provided by Chambers

Chambers Guide to the USA

Intellectual Property: Patent - New York

Band 5
Band 5

Individual Editorial

Brian O'Reilly is an experienced IP attorney with broad expertise covering a range of disputes. He frequently advises clients on complex patent infringement litigation, particularly relating to high technology and life sciences.

Strengths

Provided by Chambers

  • Brian offers creative, out-the-box thinking.

    Intellectual Property: PatentChambers Guide to the USA
  • Brian takes the time to understand the client's business and tailors his advice accordingly.

    Intellectual Property: PatentChambers Guide to the USA
  • Brian exemplifies exceptional client service through his role as both a strategic thought partner and trusted advisor.

    Intellectual Property: PatentChambers Guide to the USA
  • Brian is tenacious and a really smart lawyer.

    Intellectual Property: PatentChambers Guide to the USA
  • Brian is a great lawyer with significant experience, an excellent work ethic, strong business judgement and solid strategic thinking.

    Intellectual Property: PatentChambers Guide to the USA

Ranked Individuals at O'Reilly IP (1)

New York

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