Bloomberg Law
Feb. 16, 2023, 6:55 PMUpdated: Feb. 16, 2023, 10:40 PM

Alnylam Asks to Expand Moderna, Pfizer Vaccine Patent Fights (1)

Christopher Yasiejko
Christopher Yasiejko

Covid-19 vaccine partners Pfizer Inc. and BioNTech SE and rival shot maker Moderna Inc. should have to face infringement claims over a patent that will be issued at the end of February, Alnylam Pharmaceuticals Inc. said as it looks to expand legal fights over royalties for vaccine delivery technology.

Alnylam, which isn’t seeking to block sales of either vaccine, first sued Moderna—and, in a separate complaint, Pfizer and BioNTech—in March 2022, alleging their Covid-19 vaccines infringe a patent for lipid nanoparticle technology. It again sued them separately in July, adding a patent issued earlier the same day.

Each pair of ...

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