According to Mangablog, Tokyopop announced that Kodansha has decided to let all the licensed of manga granted to Tokyopop to expire. Tokyopop will not be allowed to complete the ongoing series nor reprint the sold-out titles.
Tokyopop's out of print list
Kodansha established a new corporation in US last year and started the international publication on their own.
Kodansha to Publish, Sell Manga in U.S.
Tokyopop Germany Loses Kodansha's Manga
Story by Aionic