UK drugs giant GlaxoSmithKline today confirmed that a legal spat over the US patent for Omega-3 drug Lovaza has been settled.Pronova BioPharma Norge AS, which owns the patents for Lovaza, has agreed to let Apotex launch a generic version in the US in the first quarter of 2015, or earlier, "depending on certain circumstances".Glaxo owns the marketing rights for Lovaza in the US and Puerto Rico and last year collected £530m of revenue from the drug.Other terms of the settlement are confidential. Pronova's lawsuit with Teva Pharmaceuticals USA, Inc., and Par Pharmaceutical, Inc., regarding Lovaza patents are ongoing.LW