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We are still open for business, available for video conferences to keep you and the staff safe during the COVID-19 outbreak.

Robert D. Karl


Former Ohio prosecutor with 27 years of experience

Cincinnati trial lawyer Robert D. Karl joined Young, Reverman & Mazzei Co., L.P.A. in 1996. With more than 27 years of experience and aggressive determination, Bob defends his clients’ rights in the justice system.

Bob started his career as an assistant prosecuting attorney with the Warren County Prosecuting Attorney’s Office in Lebanon, Ohio, where he prosecuted a wide range of cases — including DUI, vehicular homicide, domestic violence, drug trafficking and child abuse. In a landmark case, Bob wrote the appellate brief and argued before the Supreme Court of Ohio in one of the first criminal prosecutions using DNA evidence in the state. As part of an advanced training program for law enforcement authorities in Warren County, Bob lectured on the detection and arrest of DUI offenders.

A life-long resident of Ohio, Bob graduated from McNicholas High School in Cincinnati and earned his juris doctor and bachelor’s degrees from Ohio universities. He is dedicated to providing the people in his community with ethical and knowledgeable representation.

Bob speaks fluent Spanish and is involved with the Hispanic community. His language skills have permitted him the opportunity to represent individuals from more than 20 different countries.

Areas of Practice

Criminal DefenseDriving Under the Influence - DUIDomestic RelationsWorkers' CompensationCar, Truck, Motorcycle AccidentsPersonal Injury

Bar Admissions

Ohio, 1992
U.S. District Court, Southern District of Ohio
6th Circuit Court of Appeals


J.D., University of Dayton School of Law, 1992
University of Dayton Law Review, Production Editor
Dean Fredrick Davis Award for Excellence in Law Review Production, Sole Winner
Warren County Prosecuting Attorney's Office in Lebanon, Law Clerk
City of Dayton's Prosecuting Attorney's Office, Law Clerk
Miami University

Professional Affiliations & Memberships

Ohio State Bar Association

Language Fluencies


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