Registered patent attorney

Steve S Chang

USPTO Reg. 42402

Firm

Banner & Witcoff, Ltd

Address

1100 13th Street NW

Washington, DC, 20005

US

Phone

Registered as

Registered patent attorney

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Frequently asked

Frequently asked about Steve S Chang

  • Is Steve S Chang a registered patent attorney?

    Yes. Steve S Chang is a registered patent attorney with the United States Patent and Trademark Office (USPTO Registration Number 42402). Registration is verified against the USPTO Office of Enrollment and Discipline roster.

  • Where is Steve S Chang located?

    Steve S Chang's office is in Washington, District of Columbia (20005). Affiliated with Banner & Witcoff, Ltd.

  • What firm does Steve S Chang work at?

    Steve S Chang is listed as affiliated with Banner & Witcoff, Ltd on the USPTO Office of Enrollment and Discipline practitioner roster.

  • How do I contact Steve S Chang?

    Steve S Chang's office phone (per the USPTO public roster) is 202-824-3000. 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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