Registered patent attorney

Josephine Eun-Jung Chang

USPTO Reg. 46083

Firm

Christie, Parker & Hale, LLP

Address

655 North Central Avenue

Suite 2300

glendale, CA, 91203-1445

US

Phone

Registered as

Registered patent attorney

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Frequently asked

Frequently asked about Josephine Eun-Jung Chang

  • Is Josephine Eun-Jung Chang a registered patent attorney?

    Yes. Josephine Eun-Jung Chang is a registered patent attorney with the United States Patent and Trademark Office (USPTO Registration Number 46083). Registration is verified against the USPTO Office of Enrollment and Discipline roster.

  • Where is Josephine Eun-Jung Chang located?

    Josephine Eun-Jung Chang's office is in glendale, California (91203-1445). Affiliated with Christie, Parker & Hale, LLP.

  • What firm does Josephine Eun-Jung Chang work at?

    Josephine Eun-Jung Chang is listed as affiliated with Christie, Parker & Hale, LLP on the USPTO Office of Enrollment and Discipline practitioner roster.

  • How do I contact Josephine Eun-Jung Chang?

    Josephine Eun-Jung Chang's office phone (per the USPTO public roster) is 626-795-9900. 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.

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