Registered patent attorney

James Chung-Yul Yoon

USPTO Reg. 43297

Firm

Wilson Sonsini Goodrich and Rosati

Address

650 Page Mill Rd

Palo Alto, CA, 94304

US

Phone

Registered as

Registered patent attorney

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Frequently asked

Frequently asked about James Chung-Yul Yoon

  • Is James Chung-Yul Yoon a registered patent attorney?

    Yes. James Chung-Yul Yoon is a registered patent attorney with the United States Patent and Trademark Office (USPTO Registration Number 43297). Registration is verified against the USPTO Office of Enrollment and Discipline roster.

  • Where is James Chung-Yul Yoon located?

    James Chung-Yul Yoon's office is in Palo Alto, California (94304). Affiliated with Wilson Sonsini Goodrich and Rosati.

  • What firm does James Chung-Yul Yoon work at?

    James Chung-Yul Yoon is listed as affiliated with Wilson Sonsini Goodrich and Rosati on the USPTO Office of Enrollment and Discipline practitioner roster.

  • How do I contact James Chung-Yul Yoon?

    James Chung-Yul Yoon's office phone (per the USPTO public roster) is 650-493-9300. 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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