Registered patent attorney
Tom H Chang
Address
5318 Springridge Ct.
Fairfield, CA, 94534
US
Phone
Registered as
Registered patent attorney
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Frequently asked about Tom H Chang
Is Tom H Chang a registered patent attorney?
Yes. Tom H Chang is a registered patent attorney with the United States Patent and Trademark Office (USPTO Registration Number 68801). Registration is verified against the USPTO Office of Enrollment and Discipline roster.
Where is Tom H Chang located?
Tom H Chang's office is in Fairfield, California (94534).
How do I contact Tom H Chang?
Tom H Chang's office phone (per the USPTO public roster) is 707-864-0396. 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.