Registered patent agent
James N. Silverthorn
Address
811 Lake Oak Court
Sacramento, CA, 95864
US
Phone
Registered as
Registered patent agent
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Frequently asked
Frequently asked about James N. Silverthorn
Is James N. Silverthorn a registered patent attorney?
James N. Silverthorn is a registered patent agent (USPTO Registration Number 81390). Patent agents can prepare and file patent applications but cannot give legal advice on infringement; for legal counsel, look for an attorney.
Where is James N. Silverthorn located?
James N. Silverthorn's office is in Sacramento, California (95864).
How do I contact James N. Silverthorn?
James N. Silverthorn's office phone (per the USPTO public roster) is 858-254-7570. 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.