Registered patent attorney

Derek J. Langdon

USPTO Reg. 79605

Firm

NASA Goddard Space Flight Center

Address

8800 Greenbelt Road Bldg 8

Greenbelt, MD, 20771

US

Phone

Registered as

Registered patent attorney

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Frequently asked

Frequently asked about Derek J. Langdon

  • Is Derek J. Langdon a registered patent attorney?

    Yes. Derek J. Langdon is a registered patent attorney with the United States Patent and Trademark Office (USPTO Registration Number 79605). Registration is verified against the USPTO Office of Enrollment and Discipline roster.

  • Where is Derek J. Langdon located?

    Derek J. Langdon's office is in Greenbelt, Maryland (20771). Affiliated with NASA Goddard Space Flight Center.

  • What firm does Derek J. Langdon work at?

    Derek J. Langdon is listed as affiliated with NASA Goddard Space Flight Center on the USPTO Office of Enrollment and Discipline practitioner roster.

  • How do I contact Derek J. Langdon?

    Derek J. Langdon's office phone (per the USPTO public roster) is 301-286-7352. 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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