Registered patent attorney

John Ernest Johnnidis

USPTO Reg. 24415

Firm

IP Lex

Address

1010 Fifth Avenue

New York, NY, 10028

US

Phone

Registered as

Registered patent attorney

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Frequently asked

Frequently asked about John Ernest Johnnidis

  • Is John Ernest Johnnidis a registered patent attorney?

    Yes. John Ernest Johnnidis is a registered patent attorney with the United States Patent and Trademark Office (USPTO Registration Number 24415). Registration is verified against the USPTO Office of Enrollment and Discipline roster.

  • Where is John Ernest Johnnidis located?

    John Ernest Johnnidis's office is in New York, New York (10028). Affiliated with IP Lex.

  • What firm does John Ernest Johnnidis work at?

    John Ernest Johnnidis is listed as affiliated with IP Lex on the USPTO Office of Enrollment and Discipline practitioner roster.

  • How do I contact John Ernest Johnnidis?

    John Ernest Johnnidis's office phone (per the USPTO public roster) is 212-628-7226. 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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