Today the trial of Russian oil firm Yukos against state firm Rosneft will be held. Yukos tries to stop the flotation of Russian state energy firm Rosneft on the London Stock Exchange.
Yukos claims that its former production unit Yuganskneftgaz, Rosneft's main oil producing subsidiary, was seized from Yukos by the Russian state.
The sale will make history as Russia's biggest initial public offering (IPO) and the fifth-biggest in the world.
Rosneft has said the latest legal move will not affect its flotation plan, and said Britain's BP, China's CNPC and Malaysia's Petronas are share buyers.
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Yukos Fights in Court Against Rosneft
Today the trial of Russian oil firm Yukos against state firm Rosneft will be held