Navigating a Daubert challenge requires strategic preparation and a thorough understanding of the legal standards governing expert testimony. This article outlines effective strategies for attorneys to successfully defend expert witnesses under Daubert standards, ensuring their testimony withstands judicial scrutiny.
Understanding Daubert Standards
The Daubert standard, derived from the landmark case Daubert v. Merrell Dow Pharmaceuticals, Inc., provides the framework for evaluating the admissibility of expert testimony in federal courts. Under this standard, judges serve as gatekeepers, assessing whether the expert’s methodology meets criteria such as:
- Testability: Can the theory or technique be tested?
- Peer Review: Has the theory or technique been subject to peer review and publication?
- Error Rate: Is there a known or potential error rate?
- Standards: Are there standards controlling the technique’s operation?
- General Acceptance: Although part of the Daubert criteria, general acceptance has been deemphasized in some jurisdictions, focusing more on the reliability and relevance of the methodology.
Effective Strategies for Surviving a Daubert Challenge
1. Rigorous Expert Selection
Choosing the right expert is crucial. Ensure that the expert possesses:
- Relevant Qualifications: The expert should have credentials that align with the specific issues in your case.
- Credibility and Experience: Assess the expert’s previous testimony, publications, and professional reputation.
- Methodological Rigor: The expert’s methods should be scientifically sound and consistent with industry standards.
2. Comprehensive Expert Preparation
Thorough preparation of expert witnesses is essential. This includes:
- In-Depth Understanding: Ensure the expert understands the case facts and legal standards.
- Clear Communication: The expert should be able to articulate complex concepts in a clear, concise manner.
- Rehearsed Testimony: Conduct mock depositions and trials to familiarize the expert with potential questioning and challenges.
3. Robust Methodological Support
To withstand a Daubert challenge, the expert’s methodology must be meticulously documented and defensible. Key considerations include:
- Documentation of Methods: Ensure all steps and decisions in the methodological process are well-documented.
- Peer-Reviewed Basis: Cite peer-reviewed studies that support the methodology.
- Addressing Limitations: Acknowledge and address any limitations or potential error rates in the methodology.
4. Strategic Use of Case Precedents
Utilizing precedents can bolster the defense of expert testimony. Attorneys should:
- Research Relevant Cases: While researching relevant case law is advisable, be cautious about assuming that past acceptance guarantees current admissibility due to evolving standards and case specifics.
- Highlight Consistency: Demonstrate how the expert’s approach aligns with accepted practices in previous rulings.
- Distinguish Adverse Cases: If adverse precedents exist, distinguish them based on factual or methodological differences.
5. Preemptive Evidentiary Motions
Filing pretrial motions can clarify admissibility issues and reduce the risk of surprise during trial:
- Motions in Limine: Often used to prevent inadmissible evidence from being introduced, but the judge retains discretion throughout the trial, and rulings can change based on the context of the case.
- Daubert Hearings: May be requested to focus on the admissibility of expert testimony, but they are not guaranteed in every case, and their implementation varies significantly across jurisdictions.
Managing Emerging Legal Challenges
The impact of evolving scientific, technological, and legal developments on expert testimony is specific and requires ongoing research and adaptation by legal practitioners. This includes:
- Scientific Advancements: Stay informed about new scientific developments that could affect the reliability of expert methodologies.
- Multidistrict Litigation Trends: Understand the nuances of multidistrict litigation, where consistent expert testimony across cases is critical.
- Technological Innovations: Address emerging technologies and their implications for expert testimony, ensuring experts are equipped to handle related challenges.
Conclusion
Surviving a Daubert challenge is pivotal for the success of cases reliant on expert testimony. By implementing rigorous expert selection, thorough preparation, robust methodological support, strategic use of case precedents, and preemptive motions, attorneys can enhance their litigation strategies. These steps not only ensure compliance with Daubert standards but also fortify the overall strength of the case, aligning with the broader goals of achieving favorable legal outcomes.
ABOUT THE AUTHOR
Spencer serves as Vice President of Account Management, where he leads ExpertConnect Litigation Support’s Business Development activities. Spencer especially enjoys helping clients find highly specific and specialized experts in patent litigation matters. Prior to joining ExpertConnect, Spencer worked in international government relations focusing primarily on the defense and homeland security industries.