John P. O'Neil

Attorney Profile

Top Rated Personal Injury Attorney in Mayfield Heights, OH

Elk & Elk Co., Ltd.
 | 6105 Parkland Boulevard, Suite 200
Mayfield Heights, OH 44124
Phone: 877-456-4171
Fax: 440-442-7944
Selected To Super Lawyers: 2012 - 2020
Licensed Since: 1997
Practice Areas:
  • Personal Injury - General: Plaintiff (50%),
  • Personal Injury - Medical Malpractice: Plaintiff (50%)
Attorney Profile

Attorney John P. O'Neil is admitted to practice in Ohio and Florida, and is a powerhouse of legal knowledge in the areas of medical malpractice and personal injury. He has successfully tried more than 80 jury trials in Ohio and Florida in the areas of medical malpractice, transportation, legal malpractice, premises liability and others.  Mr. O'Neil's record is reflective of his two-decade career.  He concentrates his practice in representing people who suffer catastrophic injuries.  He has successfully argued cases in state and federal courts including the 8th District Court of Appeals, Ohio Supreme Court, and the 6th Circuit Court of Appeals.

Mr. O'Neil practices with the Ohio firm of Elk & Elk Co., Ltd., located in Mayfield Heights. He received his undergraduate degree from Miami University in Oxford, Ohio and his law degree from John Marshall Law School in Chicago, Illinois.  Thereafter, in 1994, he started a successful career as a Dade County Prosecutor in Miami, Dade County, Florida.  In 1997, his career progressed to practice law in the civil arena.

Mr. O'Neil has been resposible for handling multi million dollar resolutions for numerous clients.

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To: John P. O'Neil
Super Lawyers: Potential Client Inquiry - Jon O'Neil, an Ohio medical malpractice attorney, discusses how his background as a prosecutor and an insurance defense attorney has given him a well-rounded perspective when handling plaintiff cases. Call 1-800-ELK-OHIO.

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About John O'Neil

Admitted: 1997, Ohio

Professional Webpage:


  • Million Dollar Advocates Forum
  • Multi-Million Dollar Advocates Forum

Bar/Professional Activity:

  • Florida, 1994
  • Board Member, Federal Bar Association - Northern District of Ohio, 2015
  • Ohio, 1997

Educational Background:

  • Miami University, Oxford, Ohio, B.S., 1984
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Office Location for John P. O'Neil

6105 Parkland Boulevard
Suite 200
Mayfield Heights, OH 44124

Phone: 877-456-4171

Fax: 440-442-7944

John P. O'Neil:

Last Updated: 10/3/2019

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