O’Neil, Parker & Williamson (“OPW”) has proudly served over 90 years in the heart of Knoxville, Tennessee and with a second location in Dandridge, Tennessee we are able to serve more clients with their legal needs.

Our firm provides its clients with over 280 years of combined legal experience in areas of alternative dispute resolution, appellate law, business litigation, civil litigation, class actions, complex tort litigation, construction law, contract & commercial litigation, explosion & fire cases, governmental entities, healthcare litigation, insurance law, mass torts, medical malpractice, personal injury, products liability, professional malpractice, transportation litigation, workers’ compensation and wrongful death. We represent our clients in both the state and federal courts of Tennessee.

O’Neil, Parker & Williamson holds an AV rating from Martindale-Hubbell. Members of the firm have also been recognized as being among the Best Lawyers in America, Mid-South Super Lawyers and Top Attorneys in Knoxville. Whether representing an individual or a Fortune 500 company, the firm strives to handle all matters aggressively and efficiently.

We take pride in the tradition of excellence, applying the knowledge and experience forged in generations of practice in the courtrooms of East Tennessee.



Judge John Jennings, Jr organizes the firm Jennings, Sexton & Wright, which evolved into the firm Jennings, O’Neil & Jarvis.


Bill O’Neil joins the firm.


Paul E. Parker joins the firm.


Ben W. Williamson, Jr. joins the firm.


James Jarvis, II leaves and serves as Law and Equity Court Judge for Blount County, Tennessee.


Judge James Jarvis, II is appointed by President Ronald Reagan as the United States District Judge for the Eastern District of Tennessee.


O’Neil, Parker & Williamson relocates to its current location after being downtown over 80 years.


Office opens in Dandridge, Tennessee.


Retired Judge A. Ben Strand, Jr. joins as Of Counsel.


William A. Young “Bill” is appointed by Governor Bill Haslam to the Tennessee Claims Commission.