Greece’s Health Minister Thanos Plevris announced plans to sue Novartis over what he alleges are illegal practices. The scandal has been playing out for several years, with Novartis alleged to have paid Greek public officials and health care providers to increase prescriptions for the company’s drugs and maintain higher prices.

A U.S. appeals court on Aug. 10 threw out a price-fixing lawsuit against two Chinese companies that make vitamin C, a case that spotlighted trade tensions between the United States and China.

Less than a year after Sandoz, the generics arm of Novartis, vowed to fight allegations of being involved in a scheme to manipulate the price of generic drugs along with other drugmakers, the company changed course and agreed to pay a $195 million penalty to the U.S. government.

Hector Armando Kellum, a former senior executive with the Novartis subsidiary Sandoz, pleaded guilty for his role in a price-fixing scheme for generic drugs developed by his company.