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Abraxis Loses European Appeal on Patent Extension

Small changes to a drug’s active ingredient aren’t sufficient grounds to extend that drug’s patent, a panel of European judges has ruled.
Celgene subsidiary Abraxis Bioscience had argued that the patent on its anti-cancer therapy Abraxane (paclitaxel) should be extended because its combination of paclitaxel and nanoparticles—which the company dubbed “nab-paclitaxel” was a fundamentally different approach to treatment.
But judges on the European Court of Justice disagreed in a preliminary ruling, saying that the mere addition of nanoparticles didn’t change Abraxane’s “active ingredient” because the additions had no therapeutic effect.
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