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Franklin County Prosecuting Attorney Ron O'Brien

RON O'BRIEN, Franklin County's 50th Prosecuting Attorney, is the former Columbus City Attorney, Columbus City Prosecutor and Franklin County Assistant Prosecuting Attorney. Ron O'Brien has over 40 years of governmental law service to the City of Columbus, Franklin County and its citizens.

This week in Court

See the document below for trials scheduled to start this week*. Case information online has more info about each case.



*Trials can be continued or rescheduled at any time. Please check with the court assignment office for most current information at 645-8346

DeSales Champions Honored

Prosecutor O'Brien (DeSales class of '66) pictured with head coach Domenic Romanelli (class of '83) and members of the 2015 boys soccer state championship team while being honored during the Franklin County Commissioners morning session.

Prosecutor of the Year

Franklin County Prosecutor Ron O’Brien is named the 2015 Ohio Prosecutor of the year by the Ohio Prosecuting Attorney’s Association at the awards dinner during the annual meeting in Columbus on December 3, 2015



Franklin County Adult Sexual Assault Protocol Training

Franklin County Prosecutor Ron O’Brien recently welcomed local law enforcement officers and detectives to a training at the Columbus Police Academy.  Representatives from almost every Franklin County law enforcement agency, as well as colleges and universities, attended a half-day training on the Franklin County Adult Sexual Assault Protocol.

OSU Visit

Every fall, Prosecutor Ron O’Brien hosts the Ohio State University Politics, Society and Law Scholars on three separate days.  Not only do the approximate 120 students observe Common Pleas court activity, but they also spend time with Prosecutor O’Brien learning about the duties,  demands, and rewards of being a county prosecutor.


The Office of the Franklin County Prosecuting Attorney exists pursuant to the provisions of the Ohio Revised Code. The office consists of 116 assistant prosecuting attorneys along with 108 employees that make up the support staff.

The Prosecuting Attorney represents the State of Ohio by inquiring into and prosecuting felony crimes committed by adults and all offenses committed by juveniles. The Franklin County Prosecuting Attorney is also legal counsel for county officials, county agencies, townships and various boards. Please review our FAQ for answers to many common questions about the court process and how our office works.

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