IP Library
Patent Attorney

Kenneth B Leffler

Reg. No. 36075
Active
Not accepting new clients
Firm
Leffler Intellectual Property Law, PLLC
Location
McLean, VA 22102
Phone
703-848-2332
Registration Type
ATTORNEY
Roster
USPTO OED FY25
Search their patent cases → All cases at Leffler Intellectual Property Law, PLLC
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.