Registered patent attorney

John D Lopinski

USPTO Reg. 50846

Firm

Hodgson Russ LLP

Address

The Guaranty Building

140 Pearl Street, Suite 100

Buffalo, NY, 14202-4040

US

Phone

Registered as

Registered patent attorney

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Frequently asked

Frequently asked about John D Lopinski

  • Is John D Lopinski a registered patent attorney?

    Yes. John D Lopinski is a registered patent attorney with the United States Patent and Trademark Office (USPTO Registration Number 50846). Registration is verified against the USPTO Office of Enrollment and Discipline roster.

  • Where is John D Lopinski located?

    John D Lopinski's office is in Buffalo, New York (14202-4040). Affiliated with Hodgson Russ LLP.

  • What firm does John D Lopinski work at?

    John D Lopinski is listed as affiliated with Hodgson Russ LLP on the USPTO Office of Enrollment and Discipline practitioner roster.

  • How do I contact John D Lopinski?

    John D Lopinski's office phone (per the USPTO public roster) is 716-856-4000. 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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