Registered patent agent

Mark J. Leisring

USPTO Reg. 78026

Firm

Dinsmore

Address

255 E. Fifth Street

Suite 1900

Cincinnati, OH, 45202

US

Phone

Registered as

Registered patent agent

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Frequently asked

Frequently asked about Mark J. Leisring

  • Is Mark J. Leisring a registered patent attorney?

    Mark J. Leisring is a registered patent agent (USPTO Registration Number 78026). Patent agents can prepare and file patent applications but cannot give legal advice on infringement; for legal counsel, look for an attorney.

  • Where is Mark J. Leisring located?

    Mark J. Leisring's office is in Cincinnati, Ohio (45202). Affiliated with Dinsmore.

  • What firm does Mark J. Leisring work at?

    Mark J. Leisring is listed as affiliated with Dinsmore on the USPTO Office of Enrollment and Discipline practitioner roster.

  • How do I contact Mark J. Leisring?

    Mark J. Leisring's office phone (per the USPTO public roster) is 513-977-8200. 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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