Rules of Evidence - Tulsa Trial Attorneys

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The Best Lawyers Know the Rules of Evidence Cases

One of the most important things for an attorney to know is the rules of evidence. Trials are won and lost based on a lawyer’s knowledge and application of the rules of evidence. The best lawyers study the rules of evidence endlessly and know how to use the rules to their client’s advantage.

General Provisions

Judicial Notice




  • Privileges Recognized Only as Provided

  • Attorney-Client Privilege

  • Accountant-Client Privilege

  • Physician- and Psychotherapist-Patient Privilege

  • Interpreter for the Deaf

  • Husband-Wife Privilege

  • Religious Privilege

  • Journalist's Privilege

  • Renumbered as 12 O.S. § 2503.1 by Laws 2002, HB 1939, c. 468, § 78, eff. November 1, 2002

  • Peer Support Counseling Privilege

  • Political Vote

  • Trade Secrets

  • Secrets of State and Other Official Information; Governmental Privileges

  • Identity of Informer

  • Crime Stoppers Organization

  • Waiver of Privilege by Voluntary Disclosure

  • Privileged Matter Disclosed Under Compulsion or Without Opportunity to Claim Privilege

  • Comment Upon or Inference From Claim of Privilege - Instruction


  • General Rule of Competency

  • Lack of Personal Knowledge

  • Oath or Affirmation

  • Interpreters

  • Competency of Judge as Witness

  • Competency of Juror as Witness

  • Who May Impeach

  • Evidence of Character and Conduct of Witness

  • Impeachment by Evidence of Conviction of Crime

  • Religious Beliefs or Opinions

  • Mode and Order of Interrogation and Presentation

  • Repealed

  • Unusual Court Procedures to Protect Rights of Incapacitated Persons - Criminal Defendant - Judicial Integrity

Uniform Child Witness Testimony by Alternative Methods Act

  • Short Title

  • Definitions

  • Applicability in Criminal and Noncriminal Proceedings

  • Hearing - When Ordered, How Conducted, Rules of Evidence

  • When Child Witness May Testify by Alternate Means - Findings, Factors, Evidentiary Standards

  • Factors Affecting Selection of Alternate Method of Testifying

  • Orders

  • Opportunity for Cross Examination

  • Construction of Act

  • Use of a Certified Therapeutic Dog

  • Writing Used to Refresh Memory

  • Prior Statements of Witnesses

  • Calling and Interrogation of Witnesses by Court

  • Exclusion of Witnesses

Expert and Opinion Testimony

  • Opinion Testimony by Lay Witnesses

  • Testimony by Experts

  • Bases of Opinion Testimony by Experts

  • Opinion on Ultimate Issue

  • Disclosure of Facts or Data Underlying Expert Opinion


  • Definitions

  • Hearsay Rule

  • Hearsay Exceptions - Availability of Declarant Immaterial

  • Statements by Certain Children Regarding Physical or Sexual Abuse - Admissibility

  • Renumbered as 12 O.S. § 2611.2 by Laws 1999, SB 481, c. 108, § 1, eff. November 1, 1999

  • Hearsay Exception - Declarant Unavailable

  • Hearsay Exception - Exceptional Circumstances

  • Hearsay Within Hearsay

  • Attacking and Supporting Credibility of Declarant

Authentication and Identification

  • Requirement of Authentication or Identification

  • Self-Authentication

  • Subscribing Witness's Testimony Unnecessary

Contents of Writings, Recordings and Photographs

  • Definitions

  • Requirement of Original

  • Admissibility of Duplicates

  • Admissibility of Other Evidence of Contents

  • Public Records

  • Summaries

  • Testimony or Written Admission of Party

  • Functions of Judge and Jury

  • Medical Bills - Identification

  • Admissibility of Medical Expenses

  • Repealed

Admissibility of Evidence of Assemblage in Exercise of Free Speech or Display of Religious Beliefs

Rules of Evidence Litigation Expertise

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