IP Library
Patent Attorney

John A O'Brien

Reg. No. 24367
Active
Not accepting new clients
Firm
Law Offices of John A. O'Brien, P.C.
Location
Bridgehampton, NY 11932
Phone
631-537-6437
Registration Type
ATTORNEY
Roster
USPTO OED FY25
Search their patent cases → All cases at Law Offices of John A. O'Brien, P.C.
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.