Allele Biotechnology and Pharmaceuticals, Inc. (Allele) has accused Regeneron Pharmaceuticals, Inc. (Regeneron); Pfizer, Inc. (Pfizer); and BioNTech SE and BioNTech US, Inc. (collectively BioNTech) for allegedly infringing U.S. Patent No. 10,221,221 (the ’221 patent), which is directed to an artificial flourescent, i.e. mNeonGreen, used for testing COVID-19 assays against vaccine candidates.  Allele argues that Regeneron, Pfizer and BioNTech have been infringing the ‘221 patent by taking mNeonGreen “for their own unauthorized commercial testing and development.” Regeneron has been in the news lately for famously providing the “antibody cocktail” given to President Donald Trump shortly after he tested positive for COVID-19 last week. The cocktail is name in the complaint as one of the allegedly infringing technologies.

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