Innovator Wyeth has sued generic competitor Apotex for filing Paragraph IV certification against Orange Book listed patents of Wyeth's anti-depression drug Effexor ER Capsules 37.5, 75 and 150 mg (venlafaxine HCl). Following patents are listed in Orange Book w.r.t Venlafexine XR capsules
US6274171 (Expiry: September 20, 2017): Link
US6403120 (Expiry: September 20, 2017) link
US6419958 (Expiry: September 20, 2017) Link
US4535186 (Expiry: June 13, 2008) Link
US5916923 (Expiry: December 28, 2013) Link
US6444708 (Expiry: December 28, 2013) Link
Innovator has sued Apotex for the infringement of ‘171, ‘120 and ‘958 patents.
Other generic players in litigation : Anchen Pharmaceuticals, Lupin, Sandoz, Mylan, Wockhardt, Biovail
Recently innovator has already settled with Impax , Sun pharma and Teva on this product. Earlier news of pharmadoc Here
Innovator has sued Apotex for the infringement of ‘171, ‘120 and ‘958 patents.
Other generic players in litigation : Anchen Pharmaceuticals, Lupin, Sandoz, Mylan, Wockhardt, Biovail
Recently innovator has already settled with Impax , Sun pharma and Teva on this product. Earlier news of pharmadoc Here
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