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Vexatious Litigation
A lawsuit that is filed when there is no legal basis, and with the purpose to bother, annoy, embarrass, and cause legal expenses to the defendant. Vexatious litigation also includes continuing a lawsuit after discovery of the facts shows it has absolutely no merit. Vexatious litigation may lead to a legal claim of malicious prosecution against the vexatious litigant. Most states allow a judge to penalize plaintiffs and attorneys for filing or continuing a frivolous legal action. (See also: frivolous)