Patent Attorney
David J Marr
Reg. No. 32915
Active
Not accepting new clients
Firm
Clark Hill PLC
Clark Hill PLC
Location
Chicago, IL 60601
Chicago, IL 60601
Phone
312-955-5558
312-955-5558
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.