Registered patent agent
Stephen Chai
Firm
Lee & Advocates
Address
3550 Wilshire Boulevard
Suite 1110
Los Angeles, CA, 90010
US
Phone
Registered as
Registered patent agent
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Frequently asked
Frequently asked about Stephen Chai
Is Stephen Chai a registered patent attorney?
Stephen Chai is a registered patent agent (USPTO Registration Number 69569). Patent agents can prepare and file patent applications but cannot give legal advice on infringement; for legal counsel, look for an attorney.
Where is Stephen Chai located?
Stephen Chai's office is in Los Angeles, California (90010). Affiliated with Lee & Advocates.
What firm does Stephen Chai work at?
Stephen Chai is listed as affiliated with Lee & Advocates on the USPTO Office of Enrollment and Discipline practitioner roster.
How do I contact Stephen Chai?
Stephen Chai's office phone (per the USPTO public roster) is 213-905-0618. 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.