Patent Attorney
William B Porter
Reg. No. 33135
Active
Not accepting new clients
Location
Alexandria, VA 22304
Alexandria, VA 22304
Phone
571-312-7405
571-312-7405
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.