BY Spencer Cresswell
The decision of whether to engage a single expert witness or multiple experts is a critical strategic consideration in defense litigation. This choice impacts not only the depth and breadth of testimony but also influences jury perception, case coherence, and overall litigation costs. Balancing these factors requires a nuanced understanding of both the legal requirements and the specific demands of the case at hand.
Single Expert: Retaining a single expert can provide a focused, cohesive narrative, which is simpler for a jury to follow. This expert can develop a deep understanding of the case details, ensuring consistency in testimony. However, the limitation lies in their scope of knowledge, which might not cover all necessary areas, potentially leaving gaps in the defense.
Multiple Experts: Engaging multiple experts allows for a broader range of specialized knowledge to be presented. Each expert can offer insights into specific aspects of the case, enhancing the defense’s credibility in diverse areas. The downside is the potential for conflicting opinions among experts, which can dilute the overall impact and confuse the jury.
Single Expert: Utilizing a single expert can be more cost-effective. The expenses related to preparation, deposition, and trial testimony are consolidated. However, if the expert’s testimony needs to extend beyond their core expertise, the costs associated with bolstering their knowledge or credibility in less familiar areas might offset initial savings.
Multiple Experts: While multiple experts naturally increase costs, including fees, travel, and preparation time, they can provide a more robust defense by addressing complex issues comprehensively. This investment can be justified if their combined testimony strengthens the case significantly, potentially outweighing the financial burden.
Single Expert: A single expert offers a streamlined presentation, reducing the risk of jury confusion. Their consistent presence can enhance their authority and reliability in the eyes of the jury. However, if the opposing counsel successfully challenges this expert’s credibility, the defense may struggle to recover.
Multiple Experts: The use of multiple experts can demonstrate thoroughness and reinforce the defense’s commitment to a comprehensive analysis. This approach can underline the complexity of the case, persuading the jury of the defense’s diligence. Nonetheless, the risk of inconsistent testimonies or perceived over-reliance on expert opinions could undermine the defense’s cohesiveness.
Single Expert: A single expert aligns well with a straightforward case theory, where simplicity and clarity are paramount. They can seamlessly integrate their insights into the overarching narrative, supporting a unified defense strategy. However, this approach might falter if the case involves multifaceted technical issues that exceed the expert’s purview.
Multiple Experts: In cases where the defense hinges on complex, multidisciplinary issues, multiple experts can provide necessary insights that align with the case theory. Each expert can focus on specific elements, collectively reinforcing the defense’s narrative. The challenge lies in ensuring that these testimonies are harmonized to avoid contradictions or fragmented messaging.
Single Expert: A single expert offers limited flexibility in adapting to evolving case dynamics. If unforeseen complexities arise, their ability to pivot and address new issues is constrained by their expertise. This rigidity can be a disadvantage in cases where adaptability is crucial.
Multiple Experts: The inclusion of multiple experts allows for greater adaptability. As the case progresses, experts can address emerging issues within their specialized fields, providing a dynamic response to evolving challenges. This flexibility is particularly valuable in protracted litigation where new evidence or arguments may arise.
Single Expert: Relying on a single expert centralizes risk. Any challenge to their credibility or qualifications could significantly impact the defense’s position. The absence of alternative expert testimony might leave the defense vulnerable to attacks from opposing counsel.
Multiple Experts: Distributing risk across several experts can buffer against attacks on any single witness. If one expert’s testimony is undermined, others can reinforce the defense’s position. This redundancy can be a strategic asset in high-stakes litigation, offsetting the increased logistical complexity.
Ultimately, the strategic decision between employing one expert or multiple experts should be informed by the case’s specific needs, the complexity of issues, and the potential impact on the defense’s overall strategy. Balancing these considerations will enable defense attorneys to craft a compelling, coherent narrative that maximizes their chances of success.
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.
