Curevac NV has filed a patent lawsuit against fellow German mRNA pioneer Biontech SE claiming that the latter firm’s COVID-19 vaccine, Comirnaty, infringes its intellectual property.

A U.S. federal jury breathed new life into so-called pay-for-delay settlements when it found that a 2010 agreement between Endo International plc and Impax Laboratories LLC was procompetitive as it allowed Impax to launch its generic version of Opana ER, an opioid pain drug, before key patents expired.