The judge in a key Cum-Ex prosecution against M.M. Warburg's ex-chief executive officer has been removed from the case over allegations of bias.
The decision was taken by other judges of the court in Bonn at the request of Christian Olearius's lawyers, his attorney Peter Gauweiler said in an emailed statement. A spokeswoman for the tribunal couldn't immediately comment.
The presiding judge had secretly obtained documents and transcripts from a justice who had presided over other Cum-Ex cases but withheld that information from Olearius's attorneys and also his fellow judges, according to Gauweiler.
The other judges found that "under the circumstances, Olearius reasonably may have doubts that the proceedings against him would be objective and transparent," the attorney said.

Olearius was the

Cum-Ex was a trading strategy that siphoned off at least €10 billion in government revenue. It took advantage of German tax laws that seemed to allow multiple investors to claim refunds of a tax on dividends that was paid only once. The nation moved to abolish the practice in 2012. More than 1,600 people from the financial industry are being probed over the scandal.