In Turkish law, for a representative to be able to enter into a binding arbitration agreement on behalf of a principal, they must be specifically authorized by the principal (Turkish Code of Obligations Article 504/3 and Turkish Civil Procedure Law Article 74). An arbitration agreement made by a specially authorized representative can only become binding with the approval of the principal. For example, the commencement of arbitration proceedings by the principal personally may indicate the granting of this approval.

Revnic Cristian & Associates has successfully represented the Declic association before the Cluj County Court in challenging the legality of the environmental permit for a gold and copper mining project operated by Canada's Euro Sun Mining and its Samax Romania subsidiary in the Apuseni mountains in Hunedoara County.

Baker McKenzie has successfully represented the interests of Minova Ekochem before the Supreme Court of Poland regarding a competition case.

White & Case has successfully represented the Bulgarian Energy Holding and its Bulgargaz and Bulgartransgaz subsidiaries before the European Union's General Court in a case that saw the full annulment of a 2018 decision by the European Commission and related EUR 77 million fine imposed for foreclosing the Bulgarian gas supply market.

BSJP BNT has advised JSK Architekci on its winning bid during public contract award proceedings for the design of the Air Traffic Control Tower of Centralny Port Komunikacyjny – including representation in three appeal proceedings before Poland's National Appeals Chamber.

In July 2023 the European Court of Justice (ECJ) gave its judgment in case no. C-106-22 (Xella Judgment). The case was referred by the Fővárosi Törvényszék (Budapest High Court, Hungary) for preliminary ruling on the interpretation of Article 65(1)(b) TFEU in conjunction with recitals 4 and 6 of Regulation (EU) 2019/452 (EU FDI Regulation) and Article 4(2) TEU.