Patent Attorney
Roger W Parkhurst
Reg. No. 25177
Active
Not accepting new clients
Firm
Steptone & Johnson LLP
Steptone & Johnson LLP
Location
Washington, DC 20036-1795
Washington, DC 20036-1795
Phone
202-429-6420
202-429-6420
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.