January 14, 2014
Allergan Inc. halted four competing drugmakers' attempts to produce generic versions of its glaucoma drug Lumigan on Monday, when a Texas federal judge ruled that their proposed products would infringe five patents for the brand-name drug.
January 27, 2012
Allergan Inc. lodged a patent infringement suit in Texas federal court on Friday seeking to stop Hi-Tech Pharmacal Co. Inc. from launching a generic version of Allergan's glaucoma medication Lumigan.