Definition of letters rogatory in English:

letters rogatory

plural noun

Law
  • Documents making a request through a foreign court to obtain information or evidence from a specified person within the jurisdiction of that court.

    • ‘Organizing for a referendum to revoke the law on letters rogatory has already begun.’
    • ‘These guiding principles of mutual deference and respect have set the tone for the contemporary approach to honouring requests by letters rogatory of foreign courts.’
    • ‘Where the US courts have used established international procedures for obtaining evidence, such as letters rogatory, English courts have been more responsive.’

Origin

Mid 19th century: rogatory from medieval Latin rogatorius ‘interrogatory’.

Pronunciation

letters rogatory

/ˈrəʊɡət(ə)ri/