Registered patent attorney
John S Campbell
Address
523 N. Grapevine Drive
Payson, AZ, 85541
US
Phone
Registered as
Registered patent attorney
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Frequently asked about John S Campbell
Is John S Campbell a registered patent attorney?
Yes. John S Campbell is a registered patent attorney with the United States Patent and Trademark Office (USPTO Registration Number 28366). Registration is verified against the USPTO Office of Enrollment and Discipline roster.
Where is John S Campbell located?
John S Campbell's office is in Payson, Arizona (85541).
How do I contact John S Campbell?
John S Campbell's office phone (per the USPTO public roster) is 928-468-8560. 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.