Registered patent attorney
Charles Evans Steffey
Address
18 Joost Avenue
San Francisco, CA, 94131
US
Phone
Registered as
Registered patent attorney
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Frequently asked
Frequently asked about Charles Evans Steffey
Is Charles Evans Steffey a registered patent attorney?
Yes. Charles Evans Steffey is a registered patent attorney with the United States Patent and Trademark Office (USPTO Registration Number 25179). Registration is verified against the USPTO Office of Enrollment and Discipline roster.
Where is Charles Evans Steffey located?
Charles Evans Steffey's office is in San Francisco, California (94131).
How do I contact Charles Evans Steffey?
Charles Evans Steffey's office phone (per the USPTO public roster) is 415-656-7861. 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.