Registered patent agent

David J O'Neill

USPTO Reg. 42953

Firm

Verizon

Address

1515 N. Courthouse Rd.

Room 325

Arlington, VA, 22201

US

Phone

Registered as

Registered patent agent

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Frequently asked

Frequently asked about David J O'Neill

  • Is David J O'Neill a registered patent attorney?

    David J O'Neill is a registered patent agent (USPTO Registration Number 42953). Patent agents can prepare and file patent applications but cannot give legal advice on infringement; for legal counsel, look for an attorney.

  • Where is David J O'Neill located?

    David J O'Neill's office is in Arlington, Virginia (22201). Affiliated with Verizon.

  • What firm does David J O'Neill work at?

    David J O'Neill is listed as affiliated with Verizon on the USPTO Office of Enrollment and Discipline practitioner roster.

  • How do I contact David J O'Neill?

    David J O'Neill's office phone (per the USPTO public roster) is 703-351-3580. 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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