不当民事诉讼行为是指民事诉讼当事人利用合法的诉讼形式规避法律，用以保护其不正当利益，实现其不良目的的侵权行为。法律特征（一）不当民事诉讼行为属于侵权行为范畴。我国《民法通则》第１０６条第２款、第３款规定：“公民、法人由于过错侵害国家的、集体的资产，侵... Improper civil litigation refers to the civil litigants use lawful forms of litigation to evade laws, to protect their illegitimate interests, to achieve their undesirable purpose of infringement. Legal characteristics (a) improper civil litigation belongs to the category of infringement. Article 106, Paragraphs 2 and 3 of the “General Principles of Civil Law” in our country stipulate: "Citizens and legal persons who, due to fault, violate the state’s collective assets and invade ...