The Brady rule, named after Brady v. Maryland, requires prosecutors to disclose material, exculpatory information in the government's possession to the defense.This article focuses on some ways in which defense lawyers can give meaning to Brady's promise of fundamental fairness. Brady standard, exculpatory evidence must be both "favorable" to the accused35 and "material. Brady within 10 days of filing Standard Discovery Request Form (filed at arraignment), and disclosure of Giglio information no later than 14 days before. A. Other than Brady material, no constitutional right to discovery. Constitutional Right to "Brady Material.