DUSA Pharmaceuticals, Inc. Files Lawsuit Against Biofrontera Inc. for Patent Infringement, Trade Secret Misappropriation, and Tortious Interference

PRINCETON, New Jersey and MUMBAI, India, July 11, 2018 /PRNewswire/ --

DUSA Pharmaceuticals, Inc., ("DUSA") a wholly owned subsidiary of Sun Pharmaceutical Industries Ltd. (Reuters: SUN.BO), (Bloomberg: SUNP IN), (NSE: SUNPHARMA), (BSE: 524715) announced that DUSA has filed trade secret misappropriation and tortious interference claims in an ongoing patent infringement lawsuit against Biofrontera Inc., Biofrontera Bioscience GmbH, Biofrontera Pharma GmbH, and Biofrontera AG in the United States District Court for the District of Massachusetts. The lawsuit alleges patent infringement of DUSA's patents, US 9,723,991 and US 8,216,289 covering DUSA's product, LEVULAN® KERASTICK® (aminolevulinic acid HCl) for topical solution, 20% used with DUSA's BLU-U Blue Light Photodynamic Therapy Illuminator.

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In its amended complaint, DUSA additionally alleges that the Biofrontera defendants misappropriated confidential and trade secret information from DUSA and improperly obtained confidential DUSA information from former DUSA employees to sell and market defendants' own products. The lawsuit seeks an assessment of both damages and injunctive relief against the Biofrontera defendants.

The patents-in-suit concern an apparatus and method for "photodynamic therapy" (or "PDT") and equipment for PDT. The photodynamic therapy, pioneered by DUSA, combines a drug with a light source to treat disease conditions. The product was launched by DUSA in September 2000 in the US.

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About Sun Pharmaceutical Industries Ltd. (CIN - L24230GJ1993PLC019050):

Sun Pharma is the world's 5^th largest specialty generic pharmaceutical company and India's top pharmaceutical company. It provides high-quality, affordable medicines trusted by customers and patients in over 150 countries across the world. Sun Pharma's global presence is supported by 41 manufacturing facilities spread across 6 continents, R&D centres across the globe and a multi-cultural workforce comprising over 50 nationalities.

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SOURCE Sun Pharmaceutical Industries Ltd