Patent Attorney
Steve S Chang
Reg. No. 42402
Active
Not accepting new clients
Firm
Banner & Witcoff, Ltd
Banner & Witcoff, Ltd
Location
Washington, DC 20005
Washington, DC 20005
Phone
202-824-3000
202-824-3000
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.