term:

Litigious

litigious adj

1 : prone to engage in lawsuits or legal maneuvers esp. to an excessive degree [a stubbornly defendant]
2 : subject to litigation [acquired only a possible claim "Wells v. Joseph, 95 So. 2d 843 (1957)"]
3 : of, relating to, or marked by litigation
li·ti·gious·ly adv

li·ti·gious·ness n

Source: Merriam-Webster's Dictionary of Law ©1996. Merriam-Webster, Incorporated. Published under license with Merriam-Webster, Incorporated.