Leeseberg & Valentine
Leeseberg & Valentine

175 South Third Street, Penthouse One, Columbus, OH, 43215

A Reputation Built By Success

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Toll Free: 800-976-2226 | Local: 614-221-2223

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Largest personal injury verdict in state history - $44.5 million verdict obtained by Leeseberg & Valentine

Best Lawyers | Best Law Firms | U.S. News & World Report | 2019

Rated Among The Best In Ohio

Our clients as well as our peers give us top ratings with Super Lawyers®, Best Lawyers® and Avvo.

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Top Client Care And Record High Results

We are attentive to our clients’ needs. We provide top-quality legal services, and we maximize results for your long-term wellbeing.

Leaders In Medical Malpractice

We have full-time nurses on staff, a global network of medical specialists and a reputation for maximizing trial verdicts and settlements.

Recognized For Personal Injury And Product Defect Case Results

Our attorneys hold negligent parties accountable and handle a variety of claims involving serious injuries with care and compassion.

Our Success:

$44.5 million Verdict for injured 9 year-old in Franklin County, Ohio $8 Million Settlement for 18 Patients who took Baycol $6.5 Million Franklin County Wrongful Death and Survivorship Jury Verdict $6 Million Jury Verdict Against Emergency Room Physicians $5 Million Verdict Against Hospital and Surgeon $4.8 Million Settlement On Behalf Of A Minor Child Severely Injured During Birth $4.5 Million Settlement From Hospital During Trial $3.8 Million Verdict for 9-Year-Old Girl with Compartment Syndrome $3.25 Million Verdict Against Hospital and Physician $3.1 Million Settlement from Motorists Insurance for Wrongful Death $2.8 Million Settlement From Hospital for Injured Physician $2 Million Settlement from Hospital and Midwife for Wrongful Death $2 Million Verdict Against ENT Surgeon for Twin 3-Year-Olds $2 Million Settlement Obtained for Family of OB-GYN with Delayed Colon Cancer Diagnosis $1 Million Verdict for 14-Year-Old Girl Killed in Car Crash

Medical Malpractice

Products Liability

Serious Personal Injury

Other Practice Areas

John A. Markus
profile
  • Associate Attorney
Location:
Columbus, OH
Phone:
Fax:
614-221-3106
Email:

John Markus joined Leeseberg & Valentine in October 2015 as an associate attorney focusing his practice on medical malpractice and personal injury law.

Prior to joining the firm, John attended the University of Cincinnati College of Law where he focused his education on practical, hands-on litigation experiences. While in law school, John was a member of the Trial Practice and Moot Court teams, where he received the University Award for advancing the national reputation of the moot court program and was inducted into the Order of the Barristers, a national honor society for students demonstrating outstanding oral and written advocacy skills. Additionally, John served as a law clerk to the Honorable Ethna M. Cooper at the Hamilton County Court of Common Pleas and worked as a legal fellow for the Ohio Innocence Project where he played a significant role in the exoneration of Ricky Jackson, the longest serving wrongfully convicted person in US history.

Prior to law school, John graduated cum laude from The Ohio State University with a Bachelor of Arts in political science.

Areas of Practice

  • Medical Malpractice
  • Personal Injury Law

Bar Admissions

  • Ohio, 2015

Education

  • University of Cincinnati College of Law, Cincinnati, Ohio
    • Honors: University Award
    • Honors: Order of the Barristers
    • Honors: Dean's List
    • Honors: Law Journal: Ohio Tort Law Journal, 2014 - 2015
  • The Ohio State University
    • Bachelor of Arts - 2011
    • Honors: cum laude
    • Honors: Dean's List
    • Major: Political Science

Published Works

  • Baldwin's Ohio Practice: Tort Law 2d, West, December, 2015

Professional Associations and Memberships

  • Ohio State Bar Association, Member
  • Columbus Bar Association, Member
  • Ohio Association of Justice, Member
  • Central Ohio Association of Justice, Member

Past Employment Positions

  • Law Clerk, Honorable Ethna M. Cooper at the Hamilton County Court of Common Pleas
  • Legal Fellow for the Ohio Innocence Project

Pro Bono Activities

  • The Ohio Innocence Project, 2013 to 2014
  • High School Mock Trial, Coach, 2015 to 2016

Our Successes

$44.5 million Verdict for injured 9 year-old in Franklin County, Ohio

$8 Million Settlement for 18 Patients who took Baycol

$6.5 Million Franklin County Wrongful Death and Survivorship Jury Verdict

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