Courts in several other European countries have found evidence that the break-up of Yukos was politically motivated.
The company's former shareholders have filed a series of claims in courts and arbitration panels around Europe seeking compensation.
The largest of those, for over $100 billion,
is expected to come before an arbitration panel in
the Hague next year.
Also Tuesday, the International Bar Association, a global lawyers' group, released a report finding that the second criminal trial of Mr. Khodorkovsky was "not fair."
Based on daily monitoring of the Moscow trial, which ended with his conviction on embezzlement and money-laundering charges in December 2010, the group found numerous procedural and other violations that meant the trial was "incapable of producing clear proof" of his alleged guilt. Russian officials weren't available for comment late Tuesday.