IP Library
Patent Attorney

William P O'Sullivan

Reg. No. 59005
Active
Not accepting new clients
Firm
Sheehan Phinney Bass + Green,
Location
Manchester, NH 03101
Phone
603-627-8186
Registration Type
ATTORNEY
Roster
USPTO OED FY25
Search their patent cases → All cases at Sheehan Phinney Bass + Green,
Firm and contact info reflects the FY25 roster (last updated September 25). Attorneys may have changed firms since then — patent filings show their current firm of record.