IP Library
Patent Attorney

Yichen Cao

Reg. No. 73489
Active
Not accepting new clients
Firm
Arch & Lake LLP
Location
Chicago, IL 60601
Phone
630-386-5514
Registration Type
ATTORNEY
Roster
USPTO OED FY25
Search their patent cases → All cases at Arch & Lake LLP
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.