In a bid to speed up litigation on blockbuster heartburn drug Nexium (generic esomeprazole) with Anglo-Swedish pharma giant Astra Zeneca, Dr Reddy’s Laboratories has field for declaratory judgement on six patents for the drug in a New Jersey district court.
In simple terms, Dr Reddy’s has asked the court to let it know if its patent claims on the drug is invalid.
Dr Reddy’s is the second company to file for such a declaratory judgement on Nexium.
Teva had filed for the same on May 6.
The suit is to trigger the exclusivity on the drug before the expiry of the patents in 2014, a Dr Reddy’s spokesperson said, confirming the filing.
The details can be read here.
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