IP Library
Patent Attorney

Donald H Heckenberg

Reg. No. 60081
Active
Not accepting new clients
Firm
Venable LLP
Location
Washington, DC 20001
Phone
202-721-5488
Registration Type
ATTORNEY
Roster
USPTO OED FY25
Search their patent cases → All cases at Venable LLP
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.