The news gave fillip to the shares of Natco which hit the upper circuit of 20 per cent (Rs 954.35) a piece on BSE today.
"The launch plans for both products will be communicated shortly after concurring with its partner Mylan," Natco said.
According to the FDA approval letter, Mylan was one of the first applicants to submit a substantially complete ANDA for Glatiramer Acetate Injection, 40 mg/ml, containing a paragraph IV certification.
In 2015, the US Court of Appeals for the Federal Circuit again found that one of the patents of Teva's Copaxone was invalid.
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Copaxone is indicated for the treatment of patients with relapsing forms of multiple sclerosis (MS), a chronic inflammatory disease of the central nervous system.
Copaxone is the most prescribed MS treatment for relapsing forms of MS in the United States with brand sales for the 20 mg/ml dose of approximately USD 700 million and for the 40 mg/ml dose of approximately USD 3.64 billion for the 12 months ending July 31, 2017, according to QuintilesIMS.