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Atty. Dennis Mark Callahan

Atty. Dennis Mark Callahan

Dennis Mark Callahan is a lawyer. Dennis has been licensed for 56 years.

Mentor Mentor 56 yrs experience 56 year
Call (216) 716-1038 Book Appointment

Profile Summary

About Dennis Mark Callahan at a glance

Dennis Mark Callahan is a Mun. Ct. J. based in Mentor, Ohio. They have 56+ years of legal experience, licensed to practice since 1970. Admitted to practice in Ohio (1970). Serands clients in Mentor, OH and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • Dennis Mark Callahan is a lawyer
  • Dennis has been licensed for 56 years
  • Dennis practices in Mentor, OH

Jurisdictional Context

Why local counsel matters in Ohio

Practicing law in Ohio. Legal matters in Ohio are governed by state-specific rules of civil and criminal procedure, statutes of limitations, and substantive law. Cases originating in Mentor are typically filed in the local municipal court or the appropriate Ohio state district court, depending on subject matter and amount in controversy. An attorney licensed in Ohio brings working knowledge of local procedural deadlines, judicial practices in this andnue, and the substantive law that applies to cases brought here. Out-of-state attorneys generally cannot represent clients in Ohio courts without local counsel or pro hac vice admission.

Looking for additional Ohio attorneys? Browse all attorneys in Mentor or all attorneys in Ohio.

Frequently Asked

Common questions about Dennis Mark Callahan

Where is Dennis Mark Callahan's law office located?
Dennis Mark Callahan's law practice is located in Mentor, Ohio. You can contact the office directly through this profile page.
How long has Dennis Mark Callahan practiced law?
Dennis Mark Callahan has 56+ years of legal experience and has been licensed since 1970.
How can I contact Dennis Mark Callahan for a consultation?
You can contact Dennis Mark Callahan directly through this profile page. Click "Ask the Attorney" to submit a question, or "Schedule a Consultation" to book a meeting. Most claimed-profile attorneys respond within one business day.

Bar Admissions

Ohio
Admitted: 1970

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