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Sun Pharmaceutical receives "will-not-sue" covenant on generic Effexor XR ANDA
Wednesday, October 17, 2007
Sun Pharmaceutical Industries has announced receipt of a Covenant Not to Sue from Wyeth over Sun Pharma’s Abbreviated New Drug Application (ANDA) for generic venlafaxine extended release tablets with multiple para IV certifications, according to a BSE notice.
This ANDA for generic venlafaxine extended release tablets, AB-rated equivalent of Wyeth’s Effexor XR® Capsules, includes three strengths: 37.5 mg, 75 mg and 150 mg and is based on Innovative technology for extended release tablets. These strengths of Effexor XR® Capsules have annual sales approximately USD 2.6 billion in the US.
As per the covenant, Wyeth covenants not to sue Sun under any claims of US Patent Nos. 6,274,171, 6,4013,120 and 6,419,958. Venlafaxine is an antidepressant of the serotonin-noreplnephrine reuptake inhibitor (SNRI) class