Registered patent attorney

Marvin H Kleinberg

USPTO Reg. 18402

Firm

Marvin H. Kleinberg

Address

5325 ETIWANDA AVENUE

Apt 231

TARZANA, CA, 91356

US

Phone

Registered as

Registered patent attorney

Other patent attorneys in TARZANA, California

Browse all TARZANA patent attorneys →

Frequently asked

Frequently asked about Marvin H Kleinberg

  • Is Marvin H Kleinberg a registered patent attorney?

    Yes. Marvin H Kleinberg is a registered patent attorney with the United States Patent and Trademark Office (USPTO Registration Number 18402). Registration is verified against the USPTO Office of Enrollment and Discipline roster.

  • Where is Marvin H Kleinberg located?

    Marvin H Kleinberg's office is in TARZANA, California (91356). Affiliated with Marvin H. Kleinberg.

  • What firm does Marvin H Kleinberg work at?

    Marvin H Kleinberg is listed as affiliated with Marvin H. Kleinberg on the USPTO Office of Enrollment and Discipline practitioner roster.

  • How do I contact Marvin H Kleinberg?

    Marvin H Kleinberg's office phone (per the USPTO public roster) is 818-667-5328. 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.

build 4315ed5 · 2026-05-22 16:49 EDT