Last year, the Advisory Committee on Evidence Rules unanimously approved a proposal to amend Rule 702. The comment period for the amendment to the federal evidence rule on expert testimony closed last month, and all signs indicate that these necessary changes, which would clearly establish the standard for admissibility of this testimony, will be approved by the Supreme Court soon and take effect Dec. 1, 2023.

The timing is right for these changes. Federal court litigation often involves scientific, technical, or other specialized theories, …