Patent Attorney
Mark Chao
Reg. No. 37293
Active
Not accepting new clients
Location
Sauk Village, IL 60411-7300
Sauk Village, IL 60411-7300
Phone
847-920-4929
847-920-4929
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.