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16 November 2021 Pfizer subsidiary Wyeth Pharmaceuticals has filed a suit jointly with Puma Biotechnology against Sandoz over a patent related to breast cancer drug, Nerlynx.
20 April 2021 Pfizer has settled lawsuits against two Indian generics makers who had informed the US Food and Drug Administration of plans to launch their own version of Xeljanz XR.
31 July 2018 US-based pharmaceutical company Pfizer today reported an increase in year-on-year revenue for the second quarter but projected nearly a $2 billion loss in 2018 due to patent expirations.