Registered patent attorney

Thomas Daniel Christenbury

USPTO Reg. 31750

Firm

DLA Piper US LLP

Address

One Liberty Place

1650 Market St., Suite 4900

Philadelphia, PA, 19103

US

Phone

Registered as

Registered patent attorney

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Frequently asked

Frequently asked about Thomas Daniel Christenbury

  • Is Thomas Daniel Christenbury a registered patent attorney?

    Yes. Thomas Daniel Christenbury is a registered patent attorney with the United States Patent and Trademark Office (USPTO Registration Number 31750). Registration is verified against the USPTO Office of Enrollment and Discipline roster.

  • Where is Thomas Daniel Christenbury located?

    Thomas Daniel Christenbury's office is in Philadelphia, Pennsylvania (19103). Affiliated with DLA Piper US LLP.

  • What firm does Thomas Daniel Christenbury work at?

    Thomas Daniel Christenbury is listed as affiliated with DLA Piper US LLP on the USPTO Office of Enrollment and Discipline practitioner roster.

  • How do I contact Thomas Daniel Christenbury?

    Thomas Daniel Christenbury's office phone (per the USPTO public roster) is 215-656-3381. 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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