litigious (
http://definr.com/litigious)
adj 1: of or relating to litigation
2: inclined or showing an inclination to dispute or disagree,
even to engage in law suits; "a style described as
abrasive and contentious"; "a disputatious lawyer"; "a
litigious and acrimonious spirit" [syn:
contentious,
disputatious,
disputative]