Patent Attorney
Amy L. Hammer
Reg. No. 61048
Active
Not accepting new clients
Firm
Welsh & Katz, LTD
Welsh & Katz, LTD
Location
Chicago, IL 60606-3912
Chicago, IL 60606-3912
Phone
312-655-1500
312-655-1500
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.