Registered patent attorney

David W Simpson

USPTO Reg. 40814

Firm

Pioneer Natural Resources USA, Inc.

Address

5205 N O Connor Blvd., Suite 1400

Irving, TX, 75039

US

Phone

Registered as

Registered patent attorney

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Frequently asked

Frequently asked about David W Simpson

  • Is David W Simpson a registered patent attorney?

    Yes. David W Simpson is a registered patent attorney with the United States Patent and Trademark Office (USPTO Registration Number 40814). Registration is verified against the USPTO Office of Enrollment and Discipline roster.

  • Where is David W Simpson located?

    David W Simpson's office is in Irving, Texas (75039). Affiliated with Pioneer Natural Resources USA, Inc..

  • What firm does David W Simpson work at?

    David W Simpson is listed as affiliated with Pioneer Natural Resources USA, Inc. on the USPTO Office of Enrollment and Discipline practitioner roster.

  • How do I contact David W Simpson?

    David W Simpson's office phone (per the USPTO public roster) is 972-969-4046. 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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