Nemo debet esse judex in propria causa Term Nemo debet esse judex in propria causa Meaning Nobody can be the judge in his own case. Context Legal maxim More from Legal Maxims Modus Vivendi Mutatis Mutandis Nemo bis punitur pro eodem delicto Nemo debet bis vexari pro una et eadem causa Nemo moriturus praesumitur mentire Nemo potest esse tenens et dominus Nolle prosequi Non Sequitur More from Legal Maxims