German 5G auction of 2019 deemed "illegal" by Cologne Administrative Court. Not clear if spectrum needs to be returned. Problem with wholesale access rules and undue influence of minister on auction rules of BNetzA

https://www.handelsblatt.com/technik/it-internet/urteil-verwaltungsgericht-erklaert-5g-auktion-fuer-rechtswidrig-01/100063517.html