Berezovsky, 66, claimed that Abramovich, 45, had "intimidated" him into selling shares in a Russian oil company at a fraction of their value, during a
He also claimed that Abramovich had broken a promise made during a deal relating to an aluminium company.
Berezovsky alleged blackmail, breach of trust and breach of contract and claimed more than £3 billion ($4.57 billion) damages.
Abramovich denied the allegations and denied that Berezovsky was entitled to damages.
Judicial Office officials said that
English Premier League
Sunderland winger Adam Johnson is in favour of manager Paolo Di Canio's hardline approach to the job if it brings about an improvement in results.