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John Patrick O'Neil

John Patrick O'Neil

Practice areas:

Personal Injury, Medical Malpractice

John O'Neil

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About Me

John P. O'Neil joined Elk & Elk Co., Ltd. in 2012 as one of the firm’s leading medical malpractice and personal injury attorneys. Prior to joining the Elk & Elk practice as a law partner, John spent 14 years at one of Cleveland’s top defense law firms, where he served as a practice area chair and member of the firm’s management committee and executive group. He also spent time working as a successful prosecutor in the Dade County State Attorney’s Office. Over the years, John has successfully presented more than 80 jury trials in various areas of law, including medical malpractice, transportation, legal malpractice, premises liability and others. John’s first chair jury trials are in state and federal courts, and he has argued in the Eighth District Court of Appeals, Ohio Supreme Court and Sixth Circuit Court of Appeals.


Practice Areas

Licensed since 1993

  1. Medical Malpractice: 50%
    21 years
  2. Personal Injury: 50%
    21 years



Free Consultation (120 minutes)

Attorney Endorsements

10 total 

  • No photo

    I endorse this lawyer. John is an excellent attorney. He knows how to evaluate and handle complex cases and makes it look easy. John has a tremendous reputation in the legal community. He earned this reputation with hard work and dedication to serving the needs of clients.


    Kenneth Abbarno Litigation Attorney
    Relationship: Worked together on matter

  • No photo

    John is a fantastic trial attorney. Having worked with John for nearly five years, I was firsthand to witness his dedication to his clients and their interests. His courtroom skills are unparalleled, and I do not hesitate to endorse him.


    Brian Lee Litigation Attorney
    Relationship: Worked together on matter

Contact Info

Elk & Elk Co., Ltd - Cleveland

6105 Parkland Blvd.
Mayfield Heights, OH, 44124

Elk & Elk Co., Ltd. - Columbus

250 E. Broad Street
10th Floor
Columbus, OH, 43215

Elk & Elk Co., Ltd. - Cincinnati

22 West 9th Street
Cincinnati, OH, 45202



FLMember in Good Standing199405/07/2015

Professional Misconduct

We have not found any instances of professional misconduct for this lawyer.
Avvo Contributions
Legal Answers
Award NameGrantorDate Granted
Super LawyerOhio Super Lawyers2015
Super LawyerOhio Super Lawyers2014
Top 100 OhioOhio Super Lawyers2014
Top 50 ClevelandOhio Super Lawyers2014
Super LawyerOhio Super Lawyers2013
Top 100 OhioOhio Super Lawyers2013
Top 50 ClevelandOhio Super Lawyers2013
Super LawyerOhio Super Lawyers2012

Work Experience
TitleCompany NameDuration
PartnerElk & Elk Co., Ltd.2012 - Present
ShareholderReminger & Reminger Co Lpa1998 - 2012

Association NamePosition NameDuration
Ohio Association for JusticeMember2012 - Present
American Bar AssociationMember2012 - Present
American Association for JusticeMember2012 - Present
Ohio State Bar AssociationMember2012 - Present
Cleveland Metropolitan Bar AssociationMemberN/A

School NameMajorDegreeGraduated
John Marshall Law SchoolN/AJuris Doctorate1994
Miami of OhioN/ABachelors of Science1988