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Federal Rules of Evidence

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Social Media Evidence Admissibility Is Reshaping Litigation

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As technology advances, the legal system is adapting to reflect the role of digital life in litigation. One of the most significant developments in recent years is the use of social media evidence—and the increasing scrutiny...more

Faegre Drinker Biddle & Reath LLP

Clearing the Weeds: The Ninth Circuit Confirms that There is Not (And Never Has Been) a Presumption of Admissibility in Its Case...

The judge overseeing the In re Roundup Products Liability Litigation MDL once remarked that “When you [consider] Ninth Circuit law, you come away with a pretty strong feeling that the Ninth Circuit is more tolerant of shaky...more

IMS Legal Strategies

Effective Strategies for Daubert and Robinson Challenges

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In high-stakes litigation, expert testimony that cannot withstand a Daubert or Robinson challenge can derail even the most well-prepared case. A failed Daubert or Robinson challenge can leave attorneys without their key...more

McDermott Will & Schulte

From confidential to careless: The case of the unprotected customer list

The US Court of Appeals for the Tenth Circuit affirmed a summary judgment dismissal of a trade secret misappropriation complaint, finding that the plaintiff failed to take reasonable measures to maintain the secrecy of a...more

Faegre Drinker Biddle & Reath LLP

Message Received – Delaware Follows Federal Rule of Evidence 702

The Delaware Superior Court took the mass tort world by surprise with its May 31, 2024, refusal to exclude the plaintiffs’ experts’ causation opinions in the Zantac litigation, breaking with the federal MDL court’s prior...more

Esquire Deposition Solutions, LLC

AI-Generated Evidence Calls for Searching Judicial Inquiry

So-called “deepfake evidence” and computer-authored legal pleadings share, in several respects, similar attributes. They’re each created by widely available artificial intelligence technologies. They can be highly persuasive,...more

Holland & Hart - Your Trial Message

Witnesses, Remember Confidence is a Behavior

Testifying, whether in a deposition or in trial, can feel pretty threatening. Particularly if you’re a named defendant in a lawsuit, you know you’re going to be the target. But even when you’re on the other side, or you’re an...more

Lowndes

Deposition Basics: What to Expect and How to Prepare

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As a litigator, I routinely prepare clients for depositions. A deposition is a pre-trial procedure where a party or witness in a legal case provides sworn testimony outside of a courtroom. A lawyer asks questions of the...more

Fenwick & West LLP

Key Federal Circuit Patent Rulings Impacting Your Business…

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In EcoFactor, Inc. v. Google LLC, the en banc United States Court of Appeals for the Federal Circuit reversed a district court’s denial of a new trial on damages because EcoFactor’s expert’s opinion was unreliable under Fed....more

Hudnell Law Group

Federal Circuit Enforces Gatekeeping Role in Patent Damages Testimony

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On May 21, 2025, the United States Court of Appeals for the Federal Circuit, sitting en banc, reversed a $20 million damages award against Google LLC in a patent infringement dispute with EcoFactor, Inc. EcoFactor, Inc. v....more

Esquire Deposition Solutions, LLC

Federal Experts Weigh Rule Changes for Deepfake Evidence

Seeing is believing, and that’s a problem when it comes to deepfake evidence in court. We’ve already remarked on the many instances where careless use of generative artificial intelligence is flooding courthouses with legal...more

Nelson Mullins Riley & Scarborough LLP

Safeguarding the Courtroom from AI-Generated Evidence: Federal Rule of Evidence 707 Approved by Judicial Conference

On June 10, 2025, the Committee on Rules of Practice and Procedure — the advisory body to the Judicial Conference of the United States — approved several key amendments to the Federal Rules, including the creation of a new...more

Womble Bond Dickinson

AI-Generated Deepfakes in Court: An Emerging Threat to Evidence Authenticity?

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Federal Rule 901 governs the authentication of evidence in court. Per the rule, “[t]o satisfy the requirement of authenticating or identifying an item of evidence, the proponent must produce evidence sufficient to support a...more

Irwin IP LLP

Unreliable Expert Testimony Shall Not Pass 

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On May 21, 2025, the Federal Circuit en banc banished the notion that the reliability of an expert’s methodology under Federal Rule of Evidence 702 (“Rule 702”) is a question of weight, not admissibility. The en banc Court...more

Womble Bond Dickinson

Proposed Rule 707 Targets AI-Crafted Evidence

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Artificial Intelligence is taking society by storm and has even made a name for itself in the courtroom. With the ease of utilizing AI to generate various forms of data, presenting evidence at trial can be a much less arduous...more

McGuireWoods LLP

How Does a Rule 502(d) Order Work?

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Under Fed. R. Evid 502(d), a federal court can assure that an inadvertent disclosure of privileged documents in the case before it will not allow litigants in subsequent cases to argue that such disclosure triggered a...more

White & Case LLP

Federal Circuit Tightens Standard for Patent Damages Experts

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On May 21, 2025, the Federal Circuit issued an en banc decision in EcoFactor, Inc. v. Google LLC, highlighting the critical gatekeeping role of district courts under Federal Rule of Evidence 702 and Daubert standards,...more

King & Spalding

Washington District Court Limits Litigants’ Ability to Claw Back Privileged Documents Erroneously Produced in Discovery

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On April 29, 2025, United States District Judge John H. Chun of the Western District of Washington issued an order denying defendant Amazon’s request to claw back privileged documents it argued had inadvertently produced in...more

Fish & Richardson

En Banc Federal Circuit Grants Google a New Trial in EcoFactor Case

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On May 21, the U.S. Court of Appeals for the Federal Circuit, sitting en banc, released its opinion in EcoFactor, Inc. v. Google, LLC. In an 8-2 decision, the court reversed a $20 million jury verdict, holding that the...more

White and Williams LLP

New Jersey Court Pumps the Brakes on Product Liability Lawsuit

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In Wang v. Maserati N. Am., Inc., C.A. No. 23-2402, 2025 U.S. Dist. LEXIS 61446, the United States District Court for the District of New Jersey (District Court) considered the admissibility of the opinions of plaintiffs’...more

ArentFox Schiff

Tennessee Passes Law That Requires ‘Best Science Available’ for PFAS Regulations

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Tennessee lawmakers are setting a new precedent in chemical regulation, including per- and polyfluoroalkyl substances (PFAS), by signing into law an industry-backed bill that requires the use of the “best science available”...more

Butler Snow LLP

Turnabout is Fair Play – “Junk Science” Litigation Aftermath: Requisite Retractions and Dubious Do-Overs

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Do plaintiffs’ experts get to put junk science before juries more often than their opinions are excluded? The answer is a resounding “probably.” Even in light of the December 2023 amendment to Federal Rule of Evidence and its...more

Butler Snow LLP

Turning Up the Heat? Pressure Testing Scientific Theories in Science Days, Rule 702 Hearings, and the Hot Tub

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Identifying junk science is merely the first step of the battle when considering argument approach and courtroom strategy. With this in mind, the main goals are to keep junk science out of the courtroom and, of course, win...more

Kohrman Jackson & Krantz LLP

False Title IX Claims and Allegations: Understanding the Consequences and Legal Recourses

Title IX is a federal law that requires educational institutions and programs that receive federal funding to ensure sex discrimination does not interfere with their studies and extracurricular activities. The law was pivotal...more

Chartwell Law

Where Appeals Begin

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I remember listening to Justice Frank Cleckley of the West Virginia Supreme Court of Appeals, my professor for Evidence, open his first lecture with a discussion of Federal Rule of Evidence 103. As a young law student, I was...more

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