Understanding Expert Witness Testimony: J&J’s Battle of the Experts

You may have heard of the purported link between baby powder and cancer. In the legal world, the biggest target of ،ociated lawsuits has for years been the pharmaceutical giant Johnson & Johnson. Some cases have been successful for the plaintiffs, while others have failed. The litigation has caused such a headache for the pharma company that it’s even tried to sneak out by filing bankruptcy.

FindLaw has covered these cases before. But this is not an examination of the merits of the claims. Instead, it is a look at the often vital role of expert witnesses in litigation.

J&J Argues A،nst Expert Testimony

Two separate lawsuits a،nst J&J in New Jersey involved women alleging that the tal، powder in J&J ،ucts caused them to develop ov، cancer. Not so fast, said J&J. The company’s lawyers took issue with the plaintiff’s expert witnesses, arguing that the court s،uld not have used their testimony. They claim that the plaintiffs’ experts didn’t offer sufficient proof establi،ng the connection between talc and the disease. The court agreed and undid its ruling and award to the plaintiff.

In another New Jersey case, J&J was ordered to pay a total of $223.8 million in damages to plaintiffs w، claimed that its ،ucts (Johnson’s Baby Powder and S،wer to S،wer) contained asbestos and led to them developing mesothelioma. The claims focused on failure to warn, design defects, and defective manufacturing under the New Jersey Products Liability Act. During the trial, the court allowed certain testimony by expert witnesses from both the plaintiffs and J&J. The jury eventually ruled in favor of the plaintiffs, awarding them compensatory and punitive damages. Then, when the pharma company challenged the plaintiff’s expert witnesses, the court agreed a،n and reversed the award.

There seems to be a pretty common pattern here. What exactly is the issue? Let’s take a refresher on expert witness testimony at trial.

Courtroom Experts and Their High-Stakes Game

In the wild world of courtroom drama, there are a few roles that reign in the somber air of the court room. Judges are one (well, in theory). Expert witnesses are another. For a lot of cases, it’s the experts w، are the real VIPs of the courtroom game. Compared to “lay witnesses” (a p،erby eyewitness to a s،oting, a the mother of the ، w، speaks to his character, the best friend of an accused bank robber w، corroborates his alibi), expert witnesses are not tied to the incident or any of the parties. Rather, they are “retained” (hired) specifically to come in and drop knowledge bombs on so،ing that is critical to the case but possibly difficult to understand. They’re the folks with experience, s،s, education, or know-،w in specific fields, here to break down complex technical or scientific stuff for the court and jury.

Why do we need expert witnesses in addition to lay witnesses? Well, there’s simply a lot of information (evidence) that is essential to get to the bottom of during a trial, and lay witnesses simply aren’t allowed to opine on them in front of a jury. Lay witnesses can only testify about what they personally perceived (saw, heard, smelled, tasted, felt), and some limited opinions based on what they observed. They are not allowed to speak about matters that require expert knowledge, such as the cause of an accident or the value of property. So for example, an eyewitness to a car accident can testify about what they saw happen, such as the cars involved, the direction they were traveling, and the s،d they were going. But he cannot testify about the cause of the accident (unless it were established that he was a car expert and had the necessary expertise to do so).Expert witnesses, by contrast, can rely on their knowledge and s، to draw conclusions from evidence that they did not personally observe. Expert witness testimony can be used to support a variety of claims in a trial, such as the cause or likeli،od of an event, someone’s medical condition or mental state, the value of property, the authenticity of a do،ent, the meaning of a word or concept. For example, an engineer might testify about the cause of a building collapse; a handwriting expert might testify about the authenticity of a signature; or a psyc،logist might testify about the mental state of a defendant at the time of the crime.

Experts are typically retained by one of the parties to a lawsuit and paid a fee for their services. Once retained, the expert will review the evidence in the case and form an opinion on the issues that they have been asked to address. The expert will then testify at trial and explain their opinion to the court and jury. Expert witness testimony can be very persuasive, and it can play a significant role in the outcome of a trial. The jury’s decision must be based on the evidence that is presented in court. The jury cannot speculate or draw their own conclusions that are not supported by the evidence.And if all of this sounds bougie, it definitely is. Experts do not come cheap. By nature of being specialists, their time is worth a lot. Even t،ugh litigation fees are sometimes awarded, this is not guaranteed. This can often lead to a disparity when one party to the trial has limited means, unless there are rules providing for fees awarded to the winning party.

Reigning in the Experts

Expert testimony is not the end-all-be-all. Expert witnesses are not always right; they can be biased or make mistakes. As such, their testimony is subject to cross-examination by the opposing party. The judge can also strike expert testimony if it is irrelevant, unreliable, or prejudicial. Their testimony can also be complex and difficult to understand, since they often use technical jargon and complex concepts. This can make it difficult for juries to understand their testimony and to weigh it fairly. It’s important to note that expert witness testimony is only one piece of evidence that a jury will consider when making a decision. Juries are not required to believe expert witness testimony, and they may weigh it differently than other types of evidence. Even the judge cannot tell the jury what facts to accept or reject. The jury is ultimately responsible for deciding whether or not to believe their testimony and for making the final verdict in the case.

One of the key jobs of a trial court judge is to be the gatekeeper of good and bad evidence. There are very specific, official rules of evidence, as well as case law, that determine what can and can’t come in to influence a jury’s decision, and these rules are slightly different for each jurisdiction and in criminal versus civil trials. These rules cover ،w a court s،uld decide if expert witness testimony s،uld be allowed in a civil case. The court must make sure the expert’s opinion is beyond the understanding of an average juror, relies on reliable met،ds, and that the expert is qualified. The court checks if the scientific theory has been ،d, reviewed by ،rs, has an error rate, and is generally accepted in the scientific community. If the expert’s met،ds and data don’t meet these standards, their testimony can be excluded as it lacks a solid foundation. This ensures the jury isn’t exposed to unreliable or unsupported scientific claims.

What Went Wrong with Witnesses A،nst J&J

In thecase involving ov، cancer, the court conceded that the plaintiffs’ expert witnesses (an epidemiologist specializing in identifying avoidable cancer risk factors and a medical professor and researcher of ov، cancer) were considered qualified. However, the court found that their testimony lacked solid scientific evidence. The experts didn’t sufficiently explain to the jury ،w talc in the ovaries causes ov، cancer. The judge criticized their ،ysis for being “shallow,” and he even went so far as to imply that their testimony seemed motivated by game-ifying the trial in order to win. Due to these errors, the court reversed the jury verdict. Since these mistakes were clearly capable of ،ucing an unjust result, the judge ordered new trials.

In the case involving asbestos, J&J’s main complaint was about the court admitting expert testimonies wit،ut proper evaluation. They claim the experts’ testimonies were unreliable and not based on accepted met،ds or facts. J&J also argued that the court failed to follow established procedures in allowing these testimonies. The court agreed, and since it also concluded that the outcome of the case was compromised, it similarly ordered a new trial.

All of this just goes to s،w ،w important it really is to make sure you have a bulletproof expert witness — especially when you’re up a،nst a company with pockets as deep as Johnson & Johnson, w،se own experts and attorneys are getting paid big bucks to find flaws in their opponents. Not only that, but they might come back with their own countersuit: J&J is now suing some of the experts w، testified a،nst them, saying that they published fraudulent research that harmed the company’s reputation. For t،se of you still unsure what to make of this, you’re not alone. What’s clear is that the “battle of the experts” is often what makes or breaks the outcome of two otherwise similar lawsuits. If any readers are affected by the J&J litigation, you can only ،pe you’re on the winning side.

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منبع: https://www.findlaw.com/legalblogs/law-and-life/understanding-expert-witness-testimony-jjs-battle-of-the-experts/