Registered patent attorney

David Paul Petersen

USPTO Reg. 28106

Firm

Klarquist Sparkman LLP

Address

121 SW Salmon St Ste 1600

Portland, OR, 97204

US

Phone

Registered as

Registered patent attorney

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Frequently asked

Frequently asked about David Paul Petersen

  • Is David Paul Petersen a registered patent attorney?

    Yes. David Paul Petersen is a registered patent attorney with the United States Patent and Trademark Office (USPTO Registration Number 28106). Registration is verified against the USPTO Office of Enrollment and Discipline roster.

  • Where is David Paul Petersen located?

    David Paul Petersen's office is in Portland, Oregon (97204). Affiliated with Klarquist Sparkman LLP.

  • What firm does David Paul Petersen work at?

    David Paul Petersen is listed as affiliated with Klarquist Sparkman LLP on the USPTO Office of Enrollment and Discipline practitioner roster.

  • How do I contact David Paul Petersen?

    David Paul Petersen's office phone (per the USPTO public roster) is 503-226-7391. 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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