Patent Agent
William G Niessen
Reg. No. 29683
Active
Not accepting new clients
Firm
Nixon & Vanderhye, P.C.
Nixon & Vanderhye, P.C.
Location
Arlington, VA 22203
Arlington, VA 22203
Phone
703-816-4061
703-816-4061
Registration Type
AGENT
AGENT
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.