Litigate
Litigate /ˈlɪt.ɪ.geɪt/ US /ˈlɪţ-/ (verb)
to be involved in a lawsuit, be part of a lawsuit in a court of law, take proceedings, sue, contest, prosecute, file, petition, accuse, press charges against:
He litigated a claim against his manager for bribery and corruption.
Parts of speech
Noun: litigation