Registered patent attorney
Justin S Chang
Address
665 Clyde Ave.
Mountain View, CA, 94043
US
Phone
Registered as
Registered patent attorney
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Frequently asked
Frequently asked about Justin S Chang
Is Justin S Chang a registered patent attorney?
Yes. Justin S Chang is a registered patent attorney with the United States Patent and Trademark Office (USPTO Registration Number 59684). Registration is verified against the USPTO Office of Enrollment and Discipline roster.
Where is Justin S Chang located?
Justin S Chang's office is in Mountain View, California (94043).
How do I contact Justin S Chang?
Justin S Chang's office phone (per the USPTO public roster) is 650-623-2872. 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.