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Eng. law. To insure the trial, within a certain time, of all prisoners, a patent in the nature of a letter is issued from the king to certain persons, appointing them his justices, and authorizing them to deliver his goals. Cromp. Jurisd. 125; 4 Inst. 168; 4 Bl. Com. 269; 2 Hale, P. C. 22, 32; 2 Hawk. P. C. 14, 28. In the United States, the judges of the criminal courts are required to cause the accused to be tried within the times prescribed by the local statutes, and the constitutions rcqpire a speedy trial.