Already competing to bring the first vaccine against respiratory syncytial virus (RSV) to market, Pfizer and GSK are also fighting a patent infringement battle in the courts.
US biotech Enanta Pharma has filed a lawsuit against Pfizer, claiming that its oral antiviral for COVID-19 Paxlovid infringes one of its patents and seeking damages from the pharma giant.
Novartis could lose years of patent protection in the US for its blockbuster multiple sclerosis therapy Gilenya, after a federal appeals verdict went against the company.
A US jury has decided that Daiichi Sankyo and AstraZeneca's breast cancer drug Enhertu infringes a patent held by US biotech Seagen, awarding almost $42 million in damages.
Alnylam claims it is owed a slice of the massive revenues booked by Pfizer and Moderna for their mRNA-based COVID-19 vaccines, because they are both infringing patents its holds on a delive
AstraZeneca has resolved a lingering liability following its takeover of Alexion with an agreement to pay $775 million to settle a patent dispute with Chugai Pharma, Roche's Japanese subsid