ACE4 AI September 7, 2025
Depositions are one of the most critical phases in litigation, serving as the primary opportunity to lock in testimony, assess witness credibility, and uncover case-making facts. Success in a deposition relies on meticulous preparation, the ability to recall specific documents on demand, and the skill to react instantly to evasive or inconsistent answers. Traditionally, achieving this level of readiness required hundreds of hours of manual document review and outline drafting.
ACE4 AI's Deposition Prep Agent and Live Session Companion eliminate this manual burden, transforming deposition preparation and execution into a precise, AI-driven process. The platform ensures you walk into every session with the strategic advantage of having already mastered every relevant document.
The Deposition Prep Agent is the AI-powered engine that handles the intensive pre-deposition work, allowing the attorney to focus entirely on strategy and advocacy.
The Agent begins by ingesting all relevant case materials, complaints, answers, key documents, and prior witness statements (analyzed by the Contradiction Checker). Based on the designated witness (e.g., a corporate executive, a third-party expert), the AI automatically generates a comprehensive, customized preparation package:
Topic Outlines: Creates a structured, logical sequence of topics relevant to the witness’s knowledge and role in the case.
Question Funnels: Drafts targeted, sequential questions designed to elicit specific admissions or facts, moving from broad inquiries to increasingly specific details.
Exhibit Lists: Compiles a ready-to-use list of exhibits the witness should be examined on. This list is derived from documents where the witness is a sender, recipient, author, or is otherwise cited, all automatically linked to the relevant topic in the outline.
Synthesizing Testimony: Providing a summary of the witness’s known positions and areas of prior inconsistency (cross-referenced with the Contradiction Checker).
Identifying Gaps: Highlighting areas where the existing document record is silent on a key allegation, signaling necessary areas of examination.
The Live Session Companion is a real-time tool that provides instant, dynamic support during the deposition, turning a reactive process into a proactive one.
As the witness speaks, the AI analyzes the live transcript (or audio feed) against the massive repository of case documents:
Flagging Inconsistencies: The Companion immediately detects when a witness's answer deviates from a prior statement in an email, a past deposition, or a formal filing. It displays a real-time alert on the screen, showing the exact contradictory prior statement with its pinpoint citation. This allows the examining attorney to conduct an immediate, devastating impeachment.
Identifying Evasive Answers: The AI can flag common evasive phrases, non-responsive answers, or shifts in tone, alerting the attorney to press the line of questioning further.
Flagging Privilege Issues: If the attorney's question verges on an area potentially protected by attorney-client privilege or work product doctrine, the AI can flag the potential issue, allowing the attorney to rephrase or approach the topic carefully.
Objectionable Phrasing: The AI can monitor the attorney's own questions, flagging potentially objectionable phrasing (e.g., "calls for speculation," "asked and answered") or leading questions during crucial phases of testimony, helping maintain the integrity of the record.
ACE4 AI's Deposition Prep Agent and Live Session Companion combine deep pre-session intelligence with real-time execution support. The result is a deposition process that is meticulously planned, strategically executed, and fully supported by the entire factual record of the case. No more flipping through binders or frantically searching laptops, the answer, the exhibit, and the contradictory statement are all served up instantly by the AI.