争そう点てん効こう

noun

collateral estoppel; issue preclusion

A legal doctrine preventing a party from relitigating an issue already decided in a prior case. Used in Japanese civil procedure.

• 前ぜん訴そで判はん断だんされた主しゅ要ような争そう点てんについては、後こう訴そで争そう点てん効こうが働はたらく。

  For key issues decided in a prior lawsuit, issue preclusion applies in a subsequent suit.