Authorities have completed an investigation and could publish the outcome this month.
May 11 (GMM) Munich prosecutors could be set to formally charge Bernie Ecclestone for bribery, the Suddeutsche Zeitung newspaper reports.
If the court accepts the indictment, the trial would reportedly begin later in 2013.
Munich prosecutors, and Ecclestone's lawyers, declined to comment to Suddeutsche Zeitung.
Bloomberg reported on Friday that Gribkowsky has dropped the appeal against his eight-year sentence, having been convicted of receiving $44 million from Ecclestone amid the sale of the sport to CVC some years ago.