Registered patent attorney

Kenneth Douglas Sibley

USPTO Reg. 31665

Firm

Carbon, Inc.

Address

1089 Mills Way

Redwood City, CA, 94063

US

Phone

Registered as

Registered patent attorney

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Frequently asked

Frequently asked about Kenneth Douglas Sibley

  • Is Kenneth Douglas Sibley a registered patent attorney?

    Yes. Kenneth Douglas Sibley is a registered patent attorney with the United States Patent and Trademark Office (USPTO Registration Number 31665). Registration is verified against the USPTO Office of Enrollment and Discipline roster.

  • Where is Kenneth Douglas Sibley located?

    Kenneth Douglas Sibley's office is in Redwood City, California (94063). Affiliated with Carbon, Inc..

  • What firm does Kenneth Douglas Sibley work at?

    Kenneth Douglas Sibley is listed as affiliated with Carbon, Inc. on the USPTO Office of Enrollment and Discipline practitioner roster.

  • How do I contact Kenneth Douglas Sibley?

    Kenneth Douglas Sibley's office phone (per the USPTO public roster) is 650-285-6307. 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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