This article analyzes the application of the principle of proportionality in the context of interim measures. The study reveals how and to what extent is the principle of proportionality regulated by law in the application of interim measures. The author distinguishes measures implementing the principle of proportionality in the context of interim measures according to different criteria: (a) the nature of the issue; (b) the subject carrying out the proportionality assessment; (c) the time (stage) at which the proportionality assessment is carried out. For this study, the author analyzed the case law of both the Lithuanian Court of Appeal and the European Court of Human Rights regarding the proportionality of the restriction of property rights in the context of interim measures.

This article analyzes the concept, origins and application of anti suit injunction. The author examines possibilities of applying anti suit injunction in the case law of the Court of Justice of the European Union and in the case law of individual Member States – Germany and France. After evaluating the examples of foreign court practice, a legal assessment of a possibility to apply anti suit injunction in Lithuanian court practice is presented.