Collective representation of players' interests, labor disputes and unions

Every month during the lunch break, we briefly summarize a current and legally relevant topic regarding the Esport industry in Germany. Anyone who wants to briefly level-up his industry specific knowledge for the German market is welcome (free of charge, of course). There will also be time for discussion and questions afterwards.
 

Our topic this month:
Collective representation of players' interests, labor disputes and unions
Following the situation surrounding the announced player walkout in the League of Legends Championship Series (North America), Dr. Nepomuk Nothelfer will talk about collective representation of players' interests, labor disputes and unions in esports under German law. Among other things, he gets to the bottom of the following questions: What happened in the LCS? Who represents the interests of players in esports? What are the requirements for establishing an esports union in Germany?