Lawfare is usually defined as the use of the law as a weapon of war' or the pursuit of strategic aims through aggressive legal maneuvers.
Goldstein, Brooke and Meyer, Aaron Eitan
""Legal Jihad": How Islamist Lawfare Tactics Are targeting Free Speech,"
ILSA Journal of International & Comparative Law: Vol. 15
, Article 7.
Available at: http://nsuworks.nova.edu/ilsajournal/vol15/iss2/7