In July 2008 , it was announced that the NeumÃ 1\/4 nster Zoo in northern Germany , which owns Knut 's father , sued Berlin Zoo for the money that came from Knut 's success . In July 2008 , it was announced that the NeumÃ 1\/4 nster Zoo in northern Germany , which owns Knut 's father , was suing the Berlin Zoo for the profits from Knut 's success .