The authors' focus in the paper is the analysis of the ongoing litigations involving banks in domestic judiciary practice, based on the loan contracts, specifically the provisions on loan processing fees and currency clause, in respect of which the clients request annulment. The authors emphasize the need for the urgent resolution of these disputable issues by the Supreme Court of Cassation. The paper also deals with the arbitration practice of resolving bank-related disputes, with the aim of emphasizing the advantages of arbitration, with special reference to the importance of the regulatory and investment arbitration disputes in the banking sector.