季莫申科聯盟
Batkivshchyna was a part of the Yulia Tymoshenko Bloc during the 2006 Ukrainian parliamentary election and 2007 Ukrainian parliamentary election Feldman was re-elected into parliament on a party ticket of this bloc of political parties. He also was of its Kharkiv regional party organization. In March 2011 Feldman left the Yulia Tymoshenko Bloc faction in parliament and joined the Party of Regions. He did so citing too much influence of nationalism in the Yulia Tymoshenko Bloc.