Patent Attorney
Christopher J. Gass
Reg. No. 69265
Active
Not accepting new clients
Firm
Leydig, Voit & Mayer, Ltd
Leydig, Voit & Mayer, Ltd
Location
Chicago, IL 60601
Chicago, IL 60601
Phone
312-616-5634
312-616-5634
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.