Teva Pharmaceutical Industries Ltd. shares fell in the extended session Monday after a court did not uphold patent infringement claims made by the company. Teva shares fell 10% to $31 after hours. The court sided with Mylan NV , which claimed the patents in question were invalid. Mylan shares rose 0.7% to $36.60. The ruling from the U.S. District Court for the District of Delaware stated that the patents in contention, those covering Teva’s multiple sclerosis treatment Copaxone, were not valid. Teva said it plans to appeal the decision.
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