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Who We Are

Founded in 1984 by three litigation attorneys from a major Philadelphia law firm, Conrad O’Brien has established itself as the insider’s law firm—winning bet-the-company cases for AmLaw 100 firms and Fortune 500 companies, as well as high-stakes cases for government entities and individuals. Our attorneys are adept at resolving clients’ matters behind the scenes, but when that’s not possible, we do what we do best: take the case to trial and win.

By The Numbers

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practice areas in which Conrad O’Brien was awarded a Tier 1 ranking in Philadelphia by U.S. News & World Report, "Best Law Firms" 2020.

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Irish solicitors

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marathons (and about 84 half-marathons) run

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former prosecutors

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Conrad O'Brien attorneys individually ranked as industry leaders in Chambers USA 2019

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kids (and counting) being raised to have excellent argumentation skills

Our Approach

tenacity, flexibility, and collaboration

creative, big-picture thinking

empathy, integrity, and responsive service