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Evidence Expert Testimony

McDermott Will & Schulte

Dim damages methods can doom bright ideas

In a mixed ruling on evidentiary exclusions and damages methodology, the US Court of Appeals for the Federal Circuit affirmed in part, reversed in part, vacated in part, and remanded a district court’s decision that excluded...more

IMS Legal Strategies

Mastering the Courtroom and Beyond

IMS Legal Strategies on

In the high-stakes world of litigation, some attorneys focus on winning the case in front of them. Others think bigger—shaping strategy, influencing public policy, and leading far beyond the courtroom....more

Akin Gump Strauss Hauer & Feld LLP

N.D. Cal. Judge Reverses Prior Order Barring Device Art “Materially Identical” to Printed Publications After Federal Circuit...

A Northern District of California judge recently granted a motion to reconsider his summary judgment ruling that defendant was barred from raising certain “device art” due to IPR estoppel under 35 U.S.C. § 315(e)(2). In the...more

Faegre Drinker Biddle & Reath LLP

Double Take: Fifth Circuit’s Dual BELO Rulings Show Both General and Specific Causation Are Essential

We previously blogged about a decision in the In re Deepwater Horizon BELO litigation – Ruffin v. BP Exploration & Production, Inc. – in which the Fifth Circuit affirmed summary judgment for defendants in an alleged chemical...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

A&O Shearman

Evidence Exclusion And Daubert Motion Denials Must Be Supported By Valid Legal Rule And Reasoning; Damage Calculation Must Account...

A&O Shearman on

In Jiaxing Super Lighting Elec. Appliance, Co. v. CH Lighting Tech. Co., Ltd, the Court of Appeals for the Federal Circuit reviewed the judgment in a patent infringement case involving three patents owned by Jiaxing Super...more

Rodemer Kane Attorneys at Law

How Strong Closing Arguments Help Us Win Your Personal Injury Case

As a personal injury attorney here in Colorado, I can tell you one of the most important aspects of any case is the closing argument. After all the evidence is presented, testimonies are heard, and legal points are made and...more

Miller Canfield

Navigating the Survey Seas: The Timing and Impact of Survey Evidence in Trademark Litigation

Miller Canfield on

In the world of trademark litigation, surveys play a crucial role in tackling issues like confusion, secondary meaning, and dilution. However, the timing of survey disclosures often sparks heated debates, as neither side...more

Faegre Drinker Biddle & Reath LLP

Defective Logic: Why Recall Evidence Falls Short in Court

In product liability litigation, plaintiffs often treat a product recall as though it is conclusive proof that the product is defective or that its warnings are inadequate. Some plaintiffs even cite clearly inapplicable...more

U.S. Legal Support

Building a Strong Trial Narrative to Improve Outcomes

U.S. Legal Support on

Trial strategy isn’t solely a matter of collecting and presenting the right set of evidence and testimony—it requires organizing and crafting a narrative that connects with jurors. With each new jury, you’re back at the...more

Goldberg Segalla

Defendant’s Motion for Summary Judgment Denied by Louisiana Federal District Court

Goldberg Segalla on

United States District Court for the Western District of Louisiana, Shreveport Division - In this asbestos action, plaintiff Reginald Short alleged asbestos exposure from, among other things, asbestos-containing shipping...more

Kerr Russell

Five Tips for Preparing to Testify at a Deposition

Kerr Russell on

Preparing for a deposition can be challenging whether it is a person’s first or hundredth time testifying under oath. Being questioned frequently causes anxiety. But the experience does not have to be so daunting with...more

Proskauer - The Patent Playbook

Federal Circuit Vacates $300 Million Verdict Against Apple, Orders Third Trial in LTE Patent Dispute

In a pivotal ruling for patent damages and standard-essential patent (SEP) litigation, the Federal Circuit vacated a $300 million award against Apple in a long-standing dispute with Optis Cellular Technology, LLC. See Optis...more

Tyson & Mendes LLP

Trial Prep: Expectation vs. Reality

Tyson & Mendes LLP on

When I first decided I wanted to become an attorney, I did not think about being in trial. Even in law school, I gave little thought about what it would mean to be in trial. Like a lot of people, my experience with being in...more

Fenwick & West LLP

Key Federal Circuit Patent Rulings Impacting Your Business…

Fenwick & West LLP on

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

Holland & Knight LLP

Podcast - How Do You Define Success?

Holland & Knight LLP on

In this episode of "The Trial Lawyer’s Handbook," litigation attorney Dan Small reflects on the question of what it truly means to "win" in the courtroom, sharing insights from his experience prosecuting the Farmers Export...more

JUSTICENTER

Shoulder Injuries Caused by Car Accidents

JUSTICENTER on

Car accidents often cause shoulder injuries. These injuries may affect your ability to work, care for yourself, or move without pain. You may struggle with basic tasks or lose access to activities you once enjoyed. Certain...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

U.S. Legal Support

The Art of an Effective Closing Argument

U.S. Legal Support on

What makes for an effective closing argument, and how important is it? Even after days of testimony and evidence, your closing argument has the potential to sway a jury’s decision and bring about a successful outcome for your...more

Irwin IP LLP

Unreliable Expert Testimony Shall Not Pass 

Irwin IP LLP on

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

Womble Bond Dickinson on

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

Venable LLP

Federal Circuit Issues Rare En Banc Decision on Patent Damages

Venable LLP on

In the first en banc decision for a utility patent case since 2018, the Federal Circuit reversed a district court's denial of a new trial on damages in EcoFactor, Inc. v. Google LLC and held that EcoFactor's damages expert's...more

Marshall Dennehey

Pennsylvania Superior Court Reverses Expert Disqualification Based on Board Certification Alone

Marshall Dennehey on

McAleer v. Geisenger Med. Ctr., 2025 WL - The Pennsylvania Superior Court reversed and remanded a trial court opinion, holding that the trial court committed an error by disqualifying an expert based solely on his board...more

Faegre Drinker Biddle & Reath LLP

Fifth Circuit Clouds Threshold Dose Analysis in Ruffin v. BP

Plaintiffs in toxic tort cases must prove both general and specific causation, generally through the testimony of experts. Experts must establish that a specific chemical exposure can (and did) cause the specific injury at...more

McDermott Will & Schulte

En Banc Federal Circuit Cools Damages Award Because of Improper Expert Testimony

In an en banc decision in EcoFactor, Inc. v. Google LLC, the US Court of Appeals for the Federal Circuit concluded that the district court abused its discretion by admitting testimony from a damages expert that a lump-sum...more

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