Registered patent attorney

David Mitchell Klein

USPTO Reg. 35221

Firm

Quislex, Inc.

Address

126 East 56th Street

New York, NY, 10022

US

Phone

Registered as

Registered patent attorney

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Frequently asked

Frequently asked about David Mitchell Klein

  • Is David Mitchell Klein a registered patent attorney?

    Yes. David Mitchell Klein is a registered patent attorney with the United States Patent and Trademark Office (USPTO Registration Number 35221). Registration is verified against the USPTO Office of Enrollment and Discipline roster.

  • Where is David Mitchell Klein located?

    David Mitchell Klein's office is in New York, New York (10022). Affiliated with Quislex, Inc..

  • What firm does David Mitchell Klein work at?

    David Mitchell Klein is listed as affiliated with Quislex, Inc. on the USPTO Office of Enrollment and Discipline practitioner roster.

  • How do I contact David Mitchell Klein?

    David Mitchell Klein's office phone (per the USPTO public roster) is 917-301-9460. 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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