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Memorial represents the Mejlis in the case, along with the European Center for Human Rights, and the Ukrainian Helsinki Group for Human Rights.

In the suit lodged with the ECHR, the Mejlis noted that with its decision, Russia violated Article 11 (freedom of assembly and association) of the European Convention for the Protection of Human Rights and Fundamental Freedoms.

It is also noted that Mejlis members are being persecuted in connection with their political stance, which is a violation of Article 18 (limitation on use of restrictions on rights).

Read alsoRFE/RL: Crimean Tatar leader likely to face trial soon on separatism chargeThe Mejlis also complained that the Russian courts did not recognize its status as a representative body of the indigenous Crimean people, thereby violating article 14 (prohibition of discrimination).

Members of the Mejlis also claim that they were deprived of the right to a fair trial and that they could not assume that their activities would violate anti-extremist legislation.

Read alsoU.S. refuses to recognize Russia's decision to ban Mejlis activities The ECHR has now registered some 3,000 individual claims related to the events in the annexed Crimea and eastern Ukraine.