Patent Attorney
John W. Calkins
Reg. No. 43523
Active
Not accepting new clients
Firm
Northwestern University
Northwestern University
Location
Evanston, IL 60208
Evanston, IL 60208
Phone
847-491-5605
847-491-5605
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.