UPDATE: Fresenius contests $20M Baxter bid in dialysis case | Legal Roundup August 17, 2011 By MassDevice staff Updated August 22, 2011 at 11:45 a.m. Baxter International Inc. (NYSE: BAX) asked a federal court to enforce a ruling against Fresenius Medical Care AG (NYSE:FMS) that awarded Baxter more than $20 million for infringement of a dialysis patent.