Another reported recent US case on one Bleyer file 21st march.
http://www.gpo.gov/fdsys/pkg/USCOURTS-ilnd-1_12-cv-07754/pdf/USCOURTS-ilnd-1_12-cv-07754-0.pdf
and a list of related names and companies that may be of interest to those doing DD.
http://www.gpo.gov/fdsys/granule/USCOURTS-ilnd-1_12-cv-07754/USCOURTS-ilnd-1_12-cv-07754-0