IP Library
Patent Agent

Yanda Lei

Reg. No. 74166
Active
Not accepting new clients
Firm
Factorial Inc.
Location
Billerica, MA 01821
Phone
617-315-9733
Registration Type
AGENT
Roster
USPTO OED FY25
Search their patent cases → All cases at Factorial Inc.
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.