Abstract: The subject of research is the invalidity of major transactions and transactions in which the interest exists. Related-party transactions may be declared invalid if they are committed with violation of article 83 of the Federal law "On joint stock companies". The Russian constitutional Court and the Supreme Court of the Russian Federation in order to promote uniformity of law-application of the norms of the civil legislation on the recognition of major transactions invalid emanate primarily from the protection of civil rights and legitimate interests of participants of economic societies. Were applied scientific (comparison, analysis, synthesis, abstraction, generalization) and specific scientific methods (formal dogmatic, comparative legal studies, etc.). During the study the author comes to the conclusion that in connection with the innovations of the civil legislation of joint stock companies on major transactions will substantially change the legal practices, including the recognition of transactions negative enforcement and transactions in which the interest exists.

Keywords: protection of civil rights, interest, the judicial practice, the court, void transactions, major transactions, joint stock company, Civil code, legitimate interests, civil legislation

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