Registered patent attorney

Jonathan Chang

USPTO Reg. 76059

Address

925 H Street NW

Apartment #611

Washington, DC, 20001

US

Phone

Registered as

Registered patent attorney

Other patent attorneys in Washington, District of Columbia

Browse all Washington patent attorneys →

Frequently asked

Frequently asked about Jonathan Chang

  • Is Jonathan Chang a registered patent attorney?

    Yes. Jonathan Chang is a registered patent attorney with the United States Patent and Trademark Office (USPTO Registration Number 76059). Registration is verified against the USPTO Office of Enrollment and Discipline roster.

  • Where is Jonathan Chang located?

    Jonathan Chang's office is in Washington, District of Columbia (20001).

  • How do I contact Jonathan Chang?

    Jonathan Chang's office phone (per the USPTO public roster) is 408-896-4537. 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.

build 4315ed5 · 2026-05-22 19:19 EDT