Registered patent agent
Leong Chi Lei
Firm
A and J Intrntl Patent Office
Address
1867 Ygnacio Valley Rd
Pmb 1008
Walnut Creek, CA, 94598
US
Phone
Registered as
Registered patent agent
Other patent attorneys in Walnut Creek, California
- Javed S M AfzalUSPTO Reg. 47222
- Nisha AgarwalKILPATRICK TOWNSEND & STOCKTON LLP
- Houtan AmanatKILPATRICK TOWNSEND & STOCKTON LLP
- Juerg W BaenzigerUSPTO Reg. 50339
- Vanessa M BellKilpatrick Townsend & Stockton LLP
- Arthur J BobelLeydig, Voit & Mayer, LLP
- Andrew J. ChanTressler, LLP
- David D ChungUSPTO Reg. 38409
Frequently asked
Frequently asked about Leong Chi Lei
Is Leong Chi Lei a registered patent attorney?
Leong Chi Lei is a registered patent agent (USPTO Registration Number 50402). Patent agents can prepare and file patent applications but cannot give legal advice on infringement; for legal counsel, look for an attorney.
Where is Leong Chi Lei located?
Leong Chi Lei's office is in Walnut Creek, California (94598). Affiliated with A and J Intrntl Patent Office.
What firm does Leong Chi Lei work at?
Leong Chi Lei is listed as affiliated with A and J Intrntl Patent Office on the USPTO Office of Enrollment and Discipline practitioner roster.
How do I contact Leong Chi Lei?
Leong Chi Lei's office phone (per the USPTO public roster) is 480-561-4607. Verify availability and intake details directly with the firm before sending privileged materials.
Should I prepare anything before contacting a patent attorney?
Yes — most patent attorneys quote based on a brief. Persoona's intellectual property module generates a prior-art analysis, defensibility scorecard, and a draft USPTO filing package so you arrive with a brief, not a blank slate. Free to run.
Profile sourced from the USPTO OEDCI Practitioner Roster. Persoona did not provide, edit, or curate this data — every field is pulled directly from the public roster.