Factbox: Moderna sues Pfizer as patent owners fight over mRNA vaccine technology

Pfizer /BioNTech and Moderna have been hit with patent lawsuits by other companies related to their COVID-19 vaccines. In the latest turn of events, the two mRNA vaccine makers are locking horns, with Moderna suing Pfizer and its German partner BioNTech for patent infringement in their race to develop the shot approved in the United States. Moderna on Friday alleged that they copied a technology that it had developed years before the pandemic