Allergan Announces Settlement of a DELZICOL® (mesalamine) Patent Litigation

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Allergan plc (NYSE: AGN), a leading global pharmaceutical company, and its subsidiaries today 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.

About Allergan plc

Allergan plc (NYSE: AGN), headquartered in Dublin, Ireland, is a bold, global pharmaceutical company and a leader in a new industry model – Growth Pharma.  Allergan is focused on developing, manufacturing and commercializing branded pharmaceuticals, devices and biologic products for patients around the world.

Allergan markets a portfolio of leading brands and best-in-class products for the central nervous system, eye care, medical aesthetics and dermatology, gastroenterology, women’s health, urology and anti-infective therapeutic categories.

Allergan is an industry leader in Open Science, the Company’s R&D model, which defines our approach to identifying and developing game-changing ideas and innovation for better patient care.  This approach has led to Allergan building one of the broadest development pipelines in the pharmaceutical industry with 70+ mid-to-late stage pipeline programs in development.

Our Company’s success is powered by our more than 16,000 global colleagues’ commitment to being Bold for Life.  Together, we build bridges, power ideas, act fast and drive results for our customers and patients around the world by always doing what is right.

With commercial operations in approximately 100 countries, Allergan is committed to working with physicians, healthcare providers and patients to deliver innovative and meaningful treatments that help people around the world live longer, healthier lives every day.

For more information, visit Allergan’s website at

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