IP Library
Patent Agent

Yongfeng Ruan

Reg. No. 80754
Active
Not accepting new clients
Firm
Crowell & Moring LLP
Location
Chicago, IL 60611
Phone
312-840-3259
Registration Type
AGENT
Roster
USPTO OED FY25
Search their patent cases → All cases at Crowell & Moring 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.