Also known as: prevailing norm of practice · customary practice
Written by attorneys · grounded in primary & secondary sources — see below
An objective benchmark of reasonable professional conduct drawn from established guidelines and customary practices. It supplies a reference point for assessing whether conduct satisfies applicable duties without creating a rigid checklist of required steps.
NovaApps and SkyCloud sign a service agreement silent on backup frequency. In their technology sector vendors almost always run hourly backups. A court treats the hourly practice as the relevant benchmark when interpreting the parties' obligations under the agreement.
Defense counsel in a capital case fails to pursue readily available mitigation records despite ABA guidelines calling for thorough investigation. The court measures counsel's performance against prevailing norms of practice and finds the omission unreasonable under all the circumstances.
Select any source to read its text and confirm it supports the definition.
A trial judge relies on a confidential presentence report containing undisclosed aggravating facts when imposing a death sentence. The reviewing court evaluates whether the nondisclosure deviated from prevailing norms of practice that require defense access to materials influencing the sentence.
They serve as guides rather than a checklist. A court asks whether counsel's conduct was reasonable in light of all circumstances, using ABA standards and similar sources to illuminate the range of competent performance.
Yes. Prevailing norms supply only a reference point. The ultimate test remains whether counsel's performance satisfied the proper functioning of the adversarial process under the particular facts.
No. No particular set of detailed rules can account for the variety of circumstances defense counsel face, so norms remain flexible guides rather than mandatory prescriptions.
…claim, the performance inquiry must be whether counsel's assistance was reasonable considering all the circumstances. Prevailing norms of practice as reflected in American Bar Association standards and the like, e.g., ABA Standards for Criminal Justice 4-1.1 to 4-8.6 (2d ed. 1980) ("The Defense Function"), are guides to determining…