Registered patent attorney

Marina Portnova

USPTO Reg. 45750

Firm

Lowenstein Sandler

Address

390 Lytton Avenue

Palo Alto, CA, 94301

US

Phone

Registered as

Registered patent attorney

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Frequently asked

Frequently asked about Marina Portnova

  • Is Marina Portnova a registered patent attorney?

    Yes. Marina Portnova is a registered patent attorney with the United States Patent and Trademark Office (USPTO Registration Number 45750). Registration is verified against the USPTO Office of Enrollment and Discipline roster.

  • Where is Marina Portnova located?

    Marina Portnova's office is in Palo Alto, California (94301). Affiliated with Lowenstein Sandler.

  • What firm does Marina Portnova work at?

    Marina Portnova is listed as affiliated with Lowenstein Sandler on the USPTO Office of Enrollment and Discipline practitioner roster.

  • How do I contact Marina Portnova?

    Marina Portnova's office phone (per the USPTO public roster) is 650-433-5800. 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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