Registered patent attorney
James L Korenchan
Firm
The Nielsen Company (US), LLC
Address
675 Avenue of the Americas
NEW YORK, NY, 10010
US
Phone
Registered as
Registered patent attorney
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Frequently asked
Frequently asked about James L Korenchan
Is James L Korenchan a registered patent attorney?
Yes. James L Korenchan is a registered patent attorney with the United States Patent and Trademark Office (USPTO Registration Number 70760). Registration is verified against the USPTO Office of Enrollment and Discipline roster.
Where is James L Korenchan located?
James L Korenchan's office is in NEW YORK, New York (10010). Affiliated with The Nielsen Company (US), LLC.
What firm does James L Korenchan work at?
James L Korenchan is listed as affiliated with The Nielsen Company (US), LLC on the USPTO Office of Enrollment and Discipline practitioner roster.
How do I contact James L Korenchan?
James L Korenchan's office phone (per the USPTO public roster) is 312-813-0501. 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.