The former head of Bentley and Bugatti, Wolfgang Schreiber, is suing Volkswagen for hundreds of millions of euros in royalties regarding the marque’s DSG, dual-clutch transmission.

Between 1996 and 2003, Schreiber headed up Volkswagen’s transmission development department and played a pivotal role in bringing its famed DSG gearbox to the market. He is named in numerous patents for the technology and in some, is even named as the inventor.

German magazine Der Spiegal reports that this entitles Schreiber to significant royalties from the Volkswagen Group, a figure thought to be well into the nine digit range.

It’s reported that VW offered Schreiber some 20 million euros ($22 million) in compensation for his part in the development of the DSG but apparently, that offer was rejected.

Since being launched in 2003, Volkswagen’s DSG gearbox has been used in over 4 million vehicles and across the various automakers owned by the conglomerate.

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