Teva Fails To Sidestep Eight Of Nine QuilliChew ER Patent Claims
Ruling Marks Teva’s Third Failed US Patent Challenge In Two Months
A proposed Teva Pharmaceutical generic would infringe on multiple patents for Tris Pharma’s QuilliChew ER, a New Jersey district court has ruled.
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Teva has been shot down in its attempts to circumvent a key US patent shielding Vifor Pharma’s Velphoro dialysis drug.
Teva’s Actavis looks unlikely to be launching its proposed generic version of Tris Pharma’s Quillivant XR (methylphenidate) extended-release oral suspension soon, after a remanded district court decision that went against the firm was upheld on appeal.
Actavis has suffered a setback in its attempts to bring a generic of Tris Pharma’s Quillivant XR (methylphenidate) extended-release suspension to market ahead of patent expiry, after a US Court of Appeals vacated and remanded a favourable district court ruling on numerous patent claims due to “inadequate fact-findings”.