Thursday 16:46 pm Merck (MRK) says Teva Pharmaceuticals (TEVA) has withdrawn its appeal of a ruling that upheld Merck's patent on allergy medicine Singulair - which brought $4.3B in 2008 sales (18% of the company's revenue), which a generic drug would threaten.
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Thursday 10:40 am AstraZeneca (AZN) settles a U.S. patent dispute with Teva Pharmaceuticals (TEVA), protecting its top-selling heartburn drug Nexium from immediate generic competition. Similar to a previous deal with Ranbaxy, the agreement allows Teva to being marketing a generic version in May 2014.
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