John Yarber's practice focuses on defending national clients in product liability litigation. He has been extensively involved in representing R.J. Reynolds Tobacco Company in smoking and health litigation in Florida as well as in handling cases for Reynolds throughout the Southeast and Puerto Rico. John's representation of Reynolds has included a one-month trial in South Carolina and 14 trials in Florida where he acted as trial counsel, handled legal arguments, and worked extensively with medical and scientific expert witnesses.

Recently, John has focused on coordinating Reynolds' defense in 9,000 individual smoker lawsuits filed around the state of Florida as a result of the Florida Supreme Court's decertification of the Engle class action lawsuit. He also has been Reynolds' liaison counsel to the Special Master for the 4,000 Engle progeny cases pending in federal court in Florida. In addition to his work for Reynolds, John represented Rohm and Haas Company in a contract dispute in the Northern District of Georgia, securing a summary judgment for the client.

John is a member of the Georgia Bar and Florida Bar. Since 2000, he has coauthored the Georgia chapter of the Product Liability Desk Reference: A Fifty-State Compendium. He has been selected as one of "Georgia Super Lawyers Rising Stars" numerous times. He served as a mentor in the Georgia Bar's inaugural Transition Into Law Practice Program from 2006 to 2007 and a barrister for the Bleckley Inn of Court at the Georgia State University School of Law from 2001 to 2003.