You searched for: “litigating
litigate, litigates, litigating, litigated (verb forms)
1. To engage in legal proceedings: "The company's unwillingness to make a deal increased her desire to litigate."
2. To institute legal proceedings against someone or an organization; to file a suit against: "They agreed to litigate all disputes in the court tomorrow."
3. Etymology: from the early 17th century, from Latin litigat-, past participle of litigare, lit-, "lawsuit" + agere, "to drive".