SRL for [charged]: Pharmacia , based in Upsala , Sweden , had [charged] in a lawsuit against MedChem that MedChem 's AMVISC product line infringes on the Pharmacia patent .
ARG-0: Pharmacia , based in Upsala , Sweden | ARG-M-LOC: in a lawsuit against MedChem | ARG-1: that MedChem 's AMVISC product line infringes on the Pharmacia patent