Written by attorneys · grounded in primary & secondary sources — see below
A rule of judicial conduct that governs a judge's extrajudicial activities and requires compliance with the limitations stated in Rule 3.1 before a judge may participate in activities sponsored by organizations concerned with the law, the legal system, or the administration of justice.
Sources & Authorities
How it applies
Common Examples
2
Judge Featured at Nonprofit Fundraiser
Judge Elena Morales receives an invitation to accept an award and speak at a fundraising banquet hosted by an environmental advocacy group that litigates against polluters. The event program solicits donations while highlighting her judicial title and role in enforcement cases. Because the banquet raises funds for one side of contested litigation and features the judge as honoree, her participation would lend the prestige of office to fundraising and therefore violates the requirements of Rule 3.1.
Lawyer Files Speculative Copyright Suit
Christian asks lawyer Frank to sue a major-label artist for copyright infringement. The two songs share only a common four-chord progression and a general theme of romantic loss, with no identical protectable expression and no evidence that the defendant ever heard the earlier work. Frank knows every circuit requires substantial similarity of protectable elements plus proof of access. Filing the complaint would lack any nonfrivolous basis in law or fact.
Put it into practice
Test Yourself
8
Practice Questions3
· 1 primary source
Select any source to read its text and confirm it supports the definition.
Model Codes
Casebooks
Common questions
Frequently Asked
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What standard does Rule 3.1 impose on a lawyer before filing a complaint?+
Rule 3.1 requires a nonfrivolous basis in both law and fact. A claim is frivolous when no reasonable lawyer could conclude that the facts support the legal theory or that the theory has a chance of success under existing precedent or a good-faith extension of it.
Does Rule 3.1 allow a lawyer to file suit merely to pressure an opponent into settling?+
No. The rule prohibits using litigation as a tool for harassment or delay when the lawyer knows the claim lacks a nonfrivolous foundation. Filing for tactical reasons alone violates the duty to screen claims before initiating proceedings.
May a lawyer rely on client pressure or the hope that discovery will later supply missing facts?+
No. The lawyer must possess an objective, nonfrivolous basis at the time of filing. Client threats and speculation that discovery might uncover support do not satisfy the rule. The lawyer must independently assess the existing record.
Does the First Amendment protection of the opposing party’s conduct create a nonfrivolous basis for suit?+
No. Constitutional protection for the defendant’s activity typically confirms that the proposed claim is frivolous rather than permissible. The lawyer must still identify a viable legal theory supported by the facts.
Professional ResponsibilityJudicial conduct · Extrajudicial activitiesMPREIntermediate