Registered patent attorney

Joseph A Chern

USPTO Reg. 63246

Firm

Orrick, Herrington & Sutcliffe LLP

Address

2050 Main Street

Suite 1100

Irvine, CA, 92614-8255

US

Phone

Registered as

Registered patent attorney

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Frequently asked

Frequently asked about Joseph A Chern

  • Is Joseph A Chern a registered patent attorney?

    Yes. Joseph A Chern is a registered patent attorney with the United States Patent and Trademark Office (USPTO Registration Number 63246). Registration is verified against the USPTO Office of Enrollment and Discipline roster.

  • Where is Joseph A Chern located?

    Joseph A Chern's office is in Irvine, California (92614-8255). Affiliated with Orrick, Herrington & Sutcliffe LLP.

  • What firm does Joseph A Chern work at?

    Joseph A Chern is listed as affiliated with Orrick, Herrington & Sutcliffe LLP on the USPTO Office of Enrollment and Discipline practitioner roster.

  • How do I contact Joseph A Chern?

    Joseph A Chern's office phone (per the USPTO public roster) is 949-567-6700. 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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