Atty. John Anthony Markus

Atty. John Anthony Markus

We at Leeseberg Tuttle are passionate about representing our clients' interests and getting the best possible results for them. Our success is a matter of public record, and we have obtained record high verdicts in numerous cases throughout Ohio and other states.

Columbus Columbus 11 Years Experience 11 year
Call (380) 276-3416

Profile Summary

About John Anthony Markus at a glance

John Anthony Markus is an Attorney based in Columbus, Ohio, practicing at Leeseberg Tuttle. They have 11+ years of legal experience, licensed to practice since 2015. Their practice focuses on medical malpractice, wrongful death, personal injury, product liability, and appellate. Admitted to practice in Ohio (2015). Educated at University of Cincinnati College of Law (J.D., 2015) and The Ohio State University (B.A., 2011). Serves clients in Columbus, OH and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • We at Leeseberg Tuttle are passionate about representing our clients' interests and getting the best possible results for them
  • Our success is a matter of public record, and we have obtained record high verdicts in numerous cases throughout Ohio and other states
  • We have full-time nurses on staff, a medical library, and computerized access to all published medical literature in the world
  • This allows us to retain the very best medical experts in the country to assist our clients in their cases
  • Because of our success and reputation for integrity, we are often consulted by physicians and their family members when they themselves have been the victims of medical malpractice
  • We do not advertise on television or phone books
  • Our clients are referred to us by other attorneys who are familiar with our professional experience, success, and aggressive representation on behalf of our clients

Practice Areas Explained

John Anthony Markus's Areas of Practice

Each practice area below reflects the types of cases John Anthony Markus handles, with a brief overview of what that area of law covers.

Medical Malpractice

Medical malpractice lawyers represent patients harmed by negligent doctors, hospitals, and other providers. Free case review, no fee unless you win.

John Anthony Markus is one of 44,425 medical malpractice attorneys indexed nationally. Browse medical malpractice attorneys in Ohio →

Wrongful Death

John Anthony Markus is one of 28,053 wrongful death attorneys indexed nationally. Browse wrongful death attorneys in Ohio →

Personal Injury

Personal injury attorneys help accident victims recover compensation for medical bills, lost wages, and pain & suffering. Most work on contingency — no fee unless you win.

John Anthony Markus is one of 238,048 personal injury attorneys indexed nationally. Browse personal injury attorneys in Ohio →

Product Liability

John Anthony Markus is one of 60,257 product liability attorneys indexed nationally. Browse product liability attorneys in Ohio →

Appellate Practice

Appellate attorneys for civil and criminal appeals at state and federal court.

John Anthony Markus is one of 77,587 appellate attorneys indexed nationally. Browse appellate attorneys in Ohio →

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 Columbus 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 venue, 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 Columbus or all attorneys in Ohio.

Frequently Asked

Common questions about John Anthony Markus

Where is John Anthony Markus's law office located?
John Anthony Markus's law practice is located in Columbus, Ohio. The firm is Leeseberg Tuttle. You can contact the office directly through this profile page.
What practice areas does John Anthony Markus handle?
John Anthony Markus focuses on medical malpractice, wrongful death, personal injury, product liability, appellate. Each practice area listed reflects experience handling cases of that type in Ohio.
How long has John Anthony Markus practiced law?
John Anthony Markus has 11+ years of legal experience and has been licensed since 2015.
Where did John Anthony Markus go to law school?
John Anthony Markus earned their education at (J.D., 2015); (B.A., 2011).
How can I contact John Anthony Markus for a consultation?
You can contact John Anthony Markus 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.

Education

J.D.
University of Cincinnati College of Law
- 2015
B.A.
The Ohio State University
- 2011

Bar Admissions

Ohio
Admitted: 2015

Reviews

These reviews belong to platform users; they do not constitute advertisement or promotion for the attorney. Opinions are published for informational purposes only.

No reviews yet.