New York attorney · Reg. #4527420

William Patrick O'Sullivan

Registered — renewal due (registry: Due to reregister within 30 days of birthday)

Current employer

Sheehan Phinney Bass Green PA · Manchester, NH · since at least September 2026

Admission

Admitted 2007, Third Department · RUTGERS LAW SCHOOL-NEWARK

Employment history

• Sheehan Phinney Bass Green PA · Manchester, NH · current

Compiled from NYS Office of Court Administration registration records and published NY Appellate Division decisions; current as of October 2026. Not an official record; verify with the NY Courts Attorney Search.