Registered patent attorney

Mario Derevjanik

USPTO Reg. 77433

Firm

Haley Guiliano LLP

Address

75 Broad Street Suite 1000

New York, NY, 10004

US

Phone

Registered as

Registered patent attorney

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Frequently asked

Frequently asked about Mario Derevjanik

  • Is Mario Derevjanik a registered patent attorney?

    Yes. Mario Derevjanik is a registered patent attorney with the United States Patent and Trademark Office (USPTO Registration Number 77433). Registration is verified against the USPTO Office of Enrollment and Discipline roster.

  • Where is Mario Derevjanik located?

    Mario Derevjanik's office is in New York, New York (10004). Affiliated with Haley Guiliano LLP.

  • What firm does Mario Derevjanik work at?

    Mario Derevjanik is listed as affiliated with Haley Guiliano LLP on the USPTO Office of Enrollment and Discipline practitioner roster.

  • How do I contact Mario Derevjanik?

    Mario Derevjanik's office phone (per the USPTO public roster) is 646-973-2500. 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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