Registered patent attorney
Richard John Sheridan
Address
P O Box 2091
El Granada, CA, 94018-2091
US
Phone
Registered as
Registered patent attorney
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Frequently asked about Richard John Sheridan
Is Richard John Sheridan a registered patent attorney?
Yes. Richard John Sheridan is a registered patent attorney with the United States Patent and Trademark Office (USPTO Registration Number 28265). Registration is verified against the USPTO Office of Enrollment and Discipline roster.
Where is Richard John Sheridan located?
Richard John Sheridan's office is in El Granada, California (94018-2091).
How do I contact Richard John Sheridan?
Richard John Sheridan's office phone (per the USPTO public roster) is 650-726-3595. 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.