Patent Attorney
Douglas Eric Ringel
Reg. No. 34416
Active
Not accepting new clients
Firm
Potomac Law Group. PLLC
Potomac Law Group. PLLC
Location
Washington, DC 20006
Washington, DC 20006
Phone
202-570-4180
202-570-4180
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.