21. The rejection was confirmed by the Federal Constitutional Court in the case of L�beck. 22. The Federal Constitutional Court thus threw a new wild card into negotiations in Brussels. 23. The Federal Constitutional Court , in Karlsruhe, unanimously declared the cases " clearly unfounded ." 24. A ruling by the Federal Constitutional Court could take months. 25. On December 6, 2010, the party filed an official complaint with the Federal Constitutional Court . 26. The Federal Constitutional Court , in Karlsruhe, rejected the cases unanimously as " clearly unfounded ." 27. Kempf said he would appeal the ruling to Germany's highest court, the Federal Constitutional Court . 28. In 2010 the Bundesverfassungsgericht ( Federal Constitutional Court of Germany ) called the allegations outlandish. 29. On 18 February 2013, the Federal Constitutional Court broadened the adoption rights for registered partners. 30. Kempf said he would appeal Wednesday's ruling to Germany's highest court, the Federal Constitutional Court .