PJSC Sberbank (Kyiv), a subsidiary of Russia's Sberbank, has filed an appeal against the ruling of Kyiv Economic Court dated April 18 to ban the use of the Sberbank trademark in Ukraine in a dispute with Ukraine's state-run Oschadbank.As reported, Oschadbank earlier said that Kyiv Economic Court court declared invalid 10 trademarks of the Ukrainian subsidiary of Sberbank of Russia and banned the bank from using the Sberbank trademark.