Patent Attorney
Richard B Johnston
Reg. No. 41097
Active
Not accepting new clients
Firm
Cook Alex Ltd
Cook Alex Ltd
Location
Chicago, IL 60606
Chicago, IL 60606
Phone
312-334-8547
312-334-8547
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.