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William O'Sullivan

USA 2026

Ranked in 1 practice area

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Chambers Review

Provided by Chambers

Chambers Guide to the USA

Intellectual Property - New Hampshire

Band 2
Band 2

Individual Editorial

William O'Sullivan is chair of Sheehan Phinney Bass & Green's intellectual property practice group. He advises his clients, across a range of industries and sectors, on strategy with a particular emphasis on patent prosecution and related risk analysis.

Strengths

Our attorney, William O'Sullivan, is a brilliant draftsman. He captures the essence of what we are trying to protect and beyond. He has a 100% success rate at getting our patents approved.

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Ranked Individuals at Sheehan Phinney Bass & Green PA (27)

New Hampshire

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