** U.S.-listed shares of Bausch Health Co Inc BHC.N up 26%
at $7.51 - set to see best day in 7 years if gains hold
** Delaware district court denies revision to court's final
judgment preventing a generic version of Xifaxan, co's
antibiotic drug for traveler's diarrhea
** The ruling prevents Norwich Pharma from getting its
generic version of the diarrhea drug approved before Oct. 2,
2029 which is the patent expiry date for Xifaxan
** Shares of Bausch had crashed to a 25-year low in July,
after Delaware court judge Richard Andrews had said parts of
BHC's patents related to Xifaxan were not valid
** Xifaxan is a top seller and is owned by BHC's
gastroenterology unit Salix Pharmaceuticals
** Stock up 18.3% YTD
(Reporting by Aditya Samal)
((Aditya.Samal@thomsonreuters.com;))