Gestevision Telecinco SA, a Mediaset unit that owns Spain’s most-watched TV station, sued YouTube last month for copyright infringement and illegally posting its video content on the Web.

According to a sample analysis run by Mediaset on June 10, at least 4,643 videos belonging to the company were found on YouTube. That equals more than 325 hours of broadcasting without corresponding rights, the company said.

Mediaset claims that, based on the number of its clips available on YouTube and the hits generated, the broadcaster lost the equivalent of 315,672 broadcasting days.

The claim of 500 million euros corresponds to “immediate damages,” Mediaset said in the statement. Lost advertising revenue linked to the videos may add to the amount of compensation demanded, Mediaset said.

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