Sky Media has sold advertising for Discovery's TV channels since 2006 and the current deal expires at the end of 2009. It is understood that the disagreement centres on a clause that allows Sky Media to cap the amount of money Discovery receives when its channels' commercial impacts reach a certain level.
The Week: Media News - Sky in ad sales court battle
Discovery Networks UK is taking BSkyB to the High Court over a dispute about the companies' advertising sales contract.
