Registered patent attorney
Stephen R Onstot
Firm
Walsworth, Franklin, Bevins & McCall, LLP
Address
633 West Fifthe Street #2800
Los Angeles, CA, 90071
US
Phone
Registered as
Registered patent attorney
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Frequently asked
Frequently asked about Stephen R Onstot
Is Stephen R Onstot a registered patent attorney?
Yes. Stephen R Onstot is a registered patent attorney with the United States Patent and Trademark Office (USPTO Registration Number 43843). Registration is verified against the USPTO Office of Enrollment and Discipline roster.
Where is Stephen R Onstot located?
Stephen R Onstot's office is in Los Angeles, California (90071). Affiliated with Walsworth, Franklin, Bevins & McCall, LLP.
What firm does Stephen R Onstot work at?
Stephen R Onstot is listed as affiliated with Walsworth, Franklin, Bevins & McCall, LLP on the USPTO Office of Enrollment and Discipline practitioner roster.
How do I contact Stephen R Onstot?
Stephen R Onstot's office phone (per the USPTO public roster) is 213-223-2052. 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.