https://www.biospace.com/boehringer-ingelheim-corporation-sues-barr-pharmaceuticals-inc-over-generic-drug
Boehringer Ingelheim Corporation Sues Barr Pharmaceuticals, Inc. Over Generic Drug - BioSpace
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https://www.biospace.com/actavis-responds-to-barr-pharmaceuticals-inc-increased-offer-for-pliva
Actavis Responds To Barr Pharmaceuticals, Inc.' Increased Offer For PLIVA - BioSpace
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https://www.news-medical.net/news/2008/01/14/34259.aspx
Barr Pharmaceuticals confirms patent challenge of Namenda tablets
Jun 18, 2019 - Barr Pharmaceuticals, Inc. has confirmed that its subsidiary, Barr Laboratories, Inc., has initiated a challenge of the patent listed by Forest Laboratories,...
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