Patent Attorney
David Gustav Rosenbaum
Reg. No. 31872
Active
Not accepting new clients
Firm
Rosenbaum IP, P.C.
Rosenbaum IP, P.C.
Location
Chicago, IL 60606
Chicago, IL 60606
Phone
847-770-6000
847-770-6000
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.