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Regeneron Sues Two Pfizer-Funded Entities
For Infringement of Modified Mouse Patent

March 24, 2014, 8:51 PM

Regeneron Pharmaceuticals Inc. filed separate lawsuits March 11 in federal district court against Merus BV and Ablexis LLC for infringement of a patent covering the use of genetically engineered animals in drug-development studies (Regeneron Pharmaceuticals, Inc. v. Merus B.V.; Regeneron Pharmaceuticals, Inc. v. Ablexis LLC).

The company alleged in its complaint against Merus, which is headquartered in Utrecht, the Netherlands, and its complaint against San Francisco-based Ablexis that the two companies were founded by Pfizer and other pharmaceutical companies solely to create “a genetically modified mouse that infringes Regeneron’s intellectual property.”

Regeneron, which is based in Tarrytown,...

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