CAFC in ARCELORMITTAL FRANCE vs. AK STEEL CORPORATION, 2014 - 1189

The outcome

  
affirm finding of D. Del.  :  claims 1 through 23 of the RE153 are invalid

reverse:  finding that claims 24 and 25 invalid




link:  http://www.cafc.uscourts.gov/images/stories/opinions-orders/14-1189.Opinion.5-8-2015.1.PDF