Registered patent attorney

Philip William Marsh

USPTO Reg. 46061

Firm

Arnold & Porter LLP

Address

3000 El Camino Real

Five Palo Alto Square, Suite 500

Palo Alto, CA, 94306

US

Phone

Registered as

Registered patent attorney

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Frequently asked

Frequently asked about Philip William Marsh

  • Is Philip William Marsh a registered patent attorney?

    Yes. Philip William Marsh is a registered patent attorney with the United States Patent and Trademark Office (USPTO Registration Number 46061). Registration is verified against the USPTO Office of Enrollment and Discipline roster.

  • Where is Philip William Marsh located?

    Philip William Marsh's office is in Palo Alto, California (94306). Affiliated with Arnold & Porter LLP.

  • What firm does Philip William Marsh work at?

    Philip William Marsh is listed as affiliated with Arnold & Porter LLP on the USPTO Office of Enrollment and Discipline practitioner roster.

  • How do I contact Philip William Marsh?

    Philip William Marsh's office phone (per the USPTO public roster) is 650-319-4733. 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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