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Registered patent attorney

Spencer S Chen

USPTO Reg. 42405

Address

274 Redwood Shores Pkwy

Ste. 531

Redwood City, CA, 94065

US

Phone

Registered as

Registered patent attorney

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Frequently asked

Frequently asked about Spencer S Chen

  • Is Spencer S Chen a registered patent attorney?

    Yes. Spencer S Chen is a registered patent attorney with the United States Patent and Trademark Office (USPTO Registration Number 42405). Registration is verified against the USPTO Office of Enrollment and Discipline roster.

  • Where is Spencer S Chen located?

    Spencer S Chen's office is in Redwood City, California (94065).

  • How do I contact Spencer S Chen?

    Spencer S Chen's office phone (per the USPTO public roster) is 650-353-7881. 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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