Patent Attorney
Robert A O'Brien
Reg. No. 48401
Active
Not accepting new clients
Location
American Canyon, CA 94503
American Canyon, CA 94503
Phone
707-642-9505
707-642-9505
Registration Type
ATTORNEY
ATTORNEY
Roster
USPTO OED FY25
USPTO OED FY25
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.