Patent Attorney
D Lawrence Letham
Reg. No. 53208
Active
Not accepting new clients
Firm
Letham Law Firm PLLC
Letham Law Firm PLLC
Location
Sioux Falls, SD 57103
Sioux Falls, SD 57103
Phone
605-610-3040
605-610-3040
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.