IP Library
Patent Agent

Leong Chi Lei

Reg. No. 50402
Active
Not accepting new clients
Firm
A and J Intrntl Patent Office
Location
Walnut Creek, CA 94598
Phone
480-561-4607
Registration Type
AGENT
Roster
USPTO OED FY25
Search their patent cases → All cases at A and J Intrntl Patent Office
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.