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Oklahoma Rules of Professional Conduct – 2026

The Oklahoma Rules of Professional Conduct govern the ethical obligations of lawyers practicing in Oklahoma, covering the client-lawyer relationship, confidentiality and conflicts of interest, the lawyer as advocate, and the integrity of the legal profession.

Browse all 59 rules of the 2026 edition below. Each rule includes the full text, a plain-English summary, committee notes, amendment history, and cross-references to related rules. Use the search box to find rules by keyword or number.

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Client-Lawyer Relationship Counselor Advocate Transactions with Persons Other than Clients Law Firms and Associations Public Service Information About Legal Services Maintaining the Integrity of the Profession

Client-Lawyer Relationship

Rule 1.1 Competence Rule 1.2 Scope of Representation and Allocation of Authority Between Client and Lawyer Rule 1.3 Diligence Rule 1.4 Communication Rule 1.5 Fees Rule 1.6 Confidentiality of Information Rule 1.7 Conflict of Interest: Current Clients Rule 1.8 Conflict of Interest: Current Clients: Specific Rules Rule 1.9 Conflict of Interest: Duties To Former Clients Rule 1.10 Imputation of Conflicts of Interest: General Rule Rule 1.11 Special Conflicts of Interest for Former and Current Government Officers and Employees Rule 1.12 Former Judge, Arbitrator, Mediator Or Other Third-Party Neutral Rule 1.13 Organization as Client Rule 1.14 Client With Diminished Capacity Rule 1.15 Safekeeping Property Rule 1.16 Declining or Terminating Representation Rule 1.17 Sale of Law Practice Rule 1.18 Duties To Prospective Client
Preamble A Lawyer's Responsibilities Scope Scope Rule 1.0 Terminology

Counselor

Rule 2.1 Advisor Rule 2.3 Evaluation for Use by Third Persons Rule 2.4 Lawyer Serving As Third-Party Neutral

Advocate

Rule 3.1 Meritorious Claims and Contentions Rule 3.2 Expediting Litigation Rule 3.3 Candor Toward the Tribunal Rule 3.4 Fairness to Opposing Party and Counsel Rule 3.5 Impartiality and Decorum of the Tribunal Rule 3.6 Trial Publicity Rule 3.7 Lawyer as Witness Rule 3.8 Special Responsibilities of a Prosecutor Rule 3.9 Advocate in Nonadjudicative Proceedings

Transactions with Persons Other than Clients

Rule 4.1 Truthfulness in Statements to Others Rule 4.2 Communication with Person Represented by Counsel Rule 4.3 Dealing With Unrepresented Person Rule 4.4 Respect for Rights of Third Persons

Law Firms and Associations

Rule 5.1 Responsibilities of Partners, Managers, and Supervisory Lawyers Rule 5.2 Responsibilities of a Subordinate Lawyer Rule 5.3 Responsibilities Regarding Nonlawyer Assistants Rule 5.4 Professional Independence of a Lawyer Rule 5.5 Unauthorized Practice of Law; Multijurisdictional Practice of Law Rule 5.6 Restrictions on Right to Practice Rule 5.7 Responsibilities Regarding Law-Related Services

Public Service

Rule 6.1 Pro Bono Public Service Rule 6.2 Accepting Appointments Rule 6.3 Membership in Legal Services Organization Rule 6.4 Law Reform Activities Affecting Client Interests Rule 6.5 Nonprofit and Court-Annexed Limited Legal Services Programs

Information About Legal Services

Rule 7.1 Communications Concerning a Lawyer's Services Rule 7.2 Advertising Rule 7.3 Solicitation of Clients Rule 7.4 Communication of Fields of Practice and Certification Rule 7.5 Firm Names and Letterheads

Maintaining the Integrity of the Profession

Rule 8.1 Bar Admission and Disciplinary Matters Rule 8.2 Judicial and Legal Officials Rule 8.3 Reporting Professional Misconduct Rule 8.4 Misconduct Rule 8.5 Disciplinary Authority; Choice of Law