Req. No. 11341 Page 1 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 STATE OF OKLAHOMA 1st Session of the 60th Legislature (2025) HOUSE BILL 2628 By: Harris AS INTRODUCED An Act relating to civil procedure; amending 12 O.S. 2021, Section 2702, which relates to testimony by experts; requiring proponent make certain demonstration to court; and providing an effective date. BE IT ENACTED BY THE PEOPLE OF THE STATE OF OKLAHOMA: SECTION 1. AMENDATORY 12 O.S. 2021, Section 2702, is amended to read as follows: Section 2702. If scientific, technical or other specialized knowledge will assist the trier of fact to understand the evidence or to determine a fact in issue, a witness qualified as an expert by knowledge, skill, experience, training , or education may testify in the form of an opinion or otherwise, if the proponent demonstrates to the court that it is more likely than not that : 1. The testimony is based upon sufficient facts or data; 2. The testimony is the product of reliable principles and methods; and Req. No. 11341 Page 2 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 3. The witness has applied expert's opinion reflects a reliable application of the principles and methods reliably to the facts of the case. SECTION 2. This act shall become effective November 1, 2025. 60-1-11341 AQH 12/12/24