Registered patent attorney

Douglas Norman Larson

USPTO Reg. 29401

Address

26615 Marigold Court

Calabasas, CA, 91302

US

Phone

Registered as

Registered patent attorney

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Frequently asked

Frequently asked about Douglas Norman Larson

  • Is Douglas Norman Larson a registered patent attorney?

    Yes. Douglas Norman Larson is a registered patent attorney with the United States Patent and Trademark Office (USPTO Registration Number 29401). Registration is verified against the USPTO Office of Enrollment and Discipline roster.

  • Where is Douglas Norman Larson located?

    Douglas Norman Larson's office is in Calabasas, California (91302).

  • How do I contact Douglas Norman Larson?

    Douglas Norman Larson's office phone (per the USPTO public roster) is 818-517-8734. 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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