May 14, 2025
Alnylam Pharmaceuticals has decided to end a district court patent case over the COVID-19 vaccine made by Pfizer and BioNTech, asking a Delaware federal judge Tuesday to rule that the companies do not infringe its mRNA patents, while potentially setting the stage for an appeal.
April 30, 2025
The chief judge for the Delaware federal court has turned down a bid from Pfizer and BioNTech to invalidate patent claims asserted against their blockbuster COVID-19 vaccine, in a case set to go before a jury later this year.
August 20, 2024
It's been over four years since clinical trials began for COVID-19 vaccines, and while the shots have helped the pandemic recede, the lucrative technology has spurred numerous patent suits, many of which are still in the early stages. Here's a look at some of the key cases in the U.S.
August 12, 2024
Delaware's chief judge was baffled by Alnylam Pharmaceuticals' argument that the word "vaccine" in a patent it claims Pfizer and BioNTech have infringed doesn't actually require a vaccine, leading him to reject the trip down the rabbit hole presented by the company in exchange for "common sense."
April 26, 2023
A Delaware federal judge on Wednesday swiftly rejected a request from pharmaceutical giant Moderna Inc. to toss patent infringement claims by Alnylam Pharmaceuticals Inc. over its COVID-19 vaccine, calling the request "premature."
June 01, 2022
Pfizer Inc. has ripped into patent infringement litigation brought by a Boston pharmaceutical company that claims to have discovered the mRNA delivery system used in COVID-19 vaccines, telling Delaware's top federal judge that its rival's efforts to make a vaccine had been remarkably "unsuccessful."
May 23, 2022
Moderna Inc. urged a Delaware federal court to nix several claims from an infringement suit claiming it used technology Alnylam Pharmaceuticals Inc. developed that ensures the mRNA in COVID-19 vaccines safely enters the body, arguing Monday that the claims belong in the U.S. Court of Federal Claims.
March 17, 2022
Alnylam Pharmaceuticals hit Moderna and Pfizer with separate patent infringement lawsuits Thursday, claiming they use technology it developed that ensures the mRNA in their COVID-19 vaccines safely enters the body.