Allergan and its subsidiaries announced that they, along with Qualicaps Co., Ltd., have reached a settlement regarding their litigation with Zydus Pharmaceuticals (USA) Inc., and Cadila Healthcare Limited relating to United States Patent No. 6,649,180 and Allergan's DELZICOL® (mesalamine) product. The '180 patent is listed in the Orange Book in connection with DELZICOL® and will expire on April 13, 2020.
As a result of the settlement, and if approved by FDA, Zydus and Cadila may be able to market their generic version of DELZICOL® in the United States beginning on March 1, 2020, or earlier under certain circumstances. Additional details regarding the settlement were not disclosed.