Last week a Moscow arbitration court stated that transactions Deripaska pushed through at a general meeting in May 2009 by his Basel holding company were invalid.

FORBES: Czech Billionaire Lawsuit Casts Shadow on Oleg Deripaska's IPO

"These measures cannot be said to be commensurate to the subject of the case, " the Moscow Court of Arbitration said.

BBC: NEWS | Business | Court 'freezes' key Yukos assets

In December a Moscow court took more than a month to recognize the Stockholm arbitration award and ultimately refused to honor it because it was "in breach of the public order of the Russian Federation, " said the judge in the case.

FORBES: Magazine Article