Expert Testimony

News & Analysis as of

Florida Tightens the Reins on Proving Causation in Asbestos Claims

On September 14, 2016, Florida joined a growing number of jurisdictions that reject the “any exposure” theory of proving causation. Variously known as the “cumulative exposure” or “each and every exposure” theory, it is based...more

District Court Precludes Damage Expert from Using a Settlement Agreement to Derive a Reasonable Royalty Calculation Where Expert...

MAX Encryption Technologies ("MAZ") filed a patent infringement action against Blackberry for patent entitled "Method of Transparent Encryption and Decryption for an Electronic Document Management System," U.S. Patent No....more

Put Up or Pay Up: Mentor Obtape MDL Judge Promises Sanctions to Plaintiff Attorneys Filing Meritless Cases

We spend the vast bulk of our professional life working in the context of MDLs. We know the drill: plaintiff lawyers file hundreds or thousands or tens of thousands of cases. At some point, the cream rises to the top in...more

New Jersey Judge Tosses Ovarian Cancer Talc Cases Based on “Narrow and Shallow” Testimony of Plaintiffs’ Experts

A New Jersey judge has dismissed two lawsuits where plaintiffs alleged that talcum powder caused their ovarian cancer. The cases were consolidated in Atlantic County before Judge Nelson C. Johnson as part of New Jersey’s...more

Does Your Expert Challenge Quack Like an Untimely Daubert Motion?

In Frigaliment Importing Co. v. BNS Int’l Sales Corp., 190 F. Supp. 116 (S.D.N.Y. 1960), Judge Friendly famously asked “What is chicken?” A case decided last year raises the question, “What is a Daubert motion?”...more

Product Liability Update: April 2016

Massachusetts Superior Court Rejects “Innovator Liability” Failureto-Warn Claim, Holds Branded Pharmaceutical Manufacturer Owed No Duty to Plaintiff Alleging Injury From Equivalent Generic Drug That Copied Defendant’s...more

Court Rules in Favor of Investment Adviser after Trial in Section 36(b) Excessive Fee Case

In a case closely watched by the mutual fund industry, the federal district court in New Jersey ruled on Thursday in favor of a mutual fund’s investment adviser and against the shareholders who had brought the lawsuit under...more

Federal Circuit Emphasizes that an Obviousness Analysis Based on Common Sense Must be Supported by Substantial Evidence and...

A recent decision by the Federal Circuit suggests that relying on “common sense” in analyzing whether a patent is obvious in view of prior art cannot always be based on common sense alone. In a decision providing...more

The Science Behind Expert Disqualification

Basic Test - Why stop at excluding expert testimony when you can exclude the expert? For years, expert witness conflicts doctrine has been developed through the federal common law. Although appellate courts have been...more

Northern District of California “Shuts Out” Minor League Ballplayers’ Experts

Minor league baseball players took a swing at class certification, and they missed—badly. In Senne v. Kansas City Royals Baseball Corp., et al., minor league baseball players across the country asserted wage and hour...more

Icon Health & Fitness, Inc. v. Polar Electro Oy (Fed. Cir. 2016); Icon Health & Fitness, Inc. v. Garmin Int'l., Inc. (Fed. Cir....

In parallel decisions regarding litigation over the same patent, the Federal Circuit affirmed a District Court decision that the claims were invalid for indefiniteness under 35 U.S.C. § 112(b). This decision, expressly...more

Summary Judgment for All Pending Cases in The Mirena MDL

We often lament, in our curmudgeonly way, that plaintiffs in obviously lacking cases get chance after chance to keep going, all the while imposing costs and risks on the defendants and a burdens on court dockets. Plaintiffs...more

If Your Expert Doesn’t Know the Product he is Testifying on, You’re Gonna Have a Bad Time

Most will remember the case McDougall v. Black & Decker Canada Inc. as being the leading Alberta case on the issue of spoliation. A fire occurred which burned down the Plaintiffs' house. The Fire Department who initially...more

Case Law Update: Rainey v. City of Charlotte

Rainey v. City of Charlotte (5/17/16) - This case the North Carolina Court of Appeals analyzed N.C. Gen. Stat. §97-58 and the statutory time limit to file an occupational disease. The Court dismissed an injured worker’s...more

Defence & Indemnity - April 2016: III. QUANTUM/DAMAGES ISSUES: B.

The Court overtly accepted the Plaintiff’s expert testimony and criticized well-known defence experts with regard to whether the Plaintiff’s injuries were minor and whether fibromyalgia can be caused by trauma Jones v....more

Evidence Alley: Lightweight Fabric: Admissibility versus Weight at the PTAB

Many parties in front of the Patent Trial and Appeal Board (Board) struggle with the handling of evidentiary issues. This struggle is heightened when expert evidence is the focus. In Tietex International, Ltd. v. Precision...more

PTAB Grants Late Motion to Amend, But Amended Claims Fail to Breathe Life into Patent

Addressing the standards for a motion to amend claims during an inter partes review (IPR) proceeding, the Patent Trial and Appeal Board (PTAB or Board) granted a motion to amend the claims in an IPR, but ultimately denied...more

Expert’s Failure to Test Theory No “Silver Bullet” for Defense

The United States Court of Appeals for the First Circuit recently held that an expert offering opinions on a proposed safer alternative design in a product liability matter does not need to perform any testing of the...more

Florida Appellate Court Applies State Daubert Test Retroactively to Exclude Expert and Dismiss Case

In his poem “To Summer,” Blake begs the season to “curb thy fierce steeds, allay the heat/That flames from their large nostrils!” That is typical Blake; he takes our favorite time of the year and turns it into a satanic...more

Knee Implant MDL Judge Enters Aggressive Lone Pine Order

We love Lone Pine orders. First of all, we love the name. Makes us think of a cowboy eating beans under a scraggly tree. On the prairie. Listening to Dolly Parton. We also love Dolly Parton, whom we saw in concert last week...more

Straight From The Judges’ Mouths: Lessons For Persuading the Board

The USPTO’s Patent Trial & Appeal Board (PTAB) hosted its June Boardside Chat, which addressed best practices for presenting patentability/unpatentability arguments before the board. The Chat, which was hosted by...more

How the PTAB Treats Pre-Institution Factual Disputes

As a result of recent changes in the PTAB rules of practice, counsel for patent owners should consider whether there are opportunities to identify factual deficiencies in petitions. Counsel for petitioners in inter partes...more

French Supreme Court Ruling Clarifies Liability For Defective Products

A February 25, 2016, decision by the French Supreme Court clarifies some conditions for the imposition of liability with respect to defective products in ways that may be surprising to those more accustomed to U.S. product...more

District Court Denies Request for Order Compelling Production of Damage Expert Report from a Different Pending Case

In this patent infringement action between Chrimar Systems, Inc. ("Chrimar") and Alcatel-Lucent USA, Inc. ("Lucent"). Lucent sought production of the damages expert report of Plaintiffs' damages expert, Robert Mills, that was...more

Defective products liability: new clarifications on the regime’s implementation

In a ruling handed down on 25 February 2016, the Court of Cassation clarified the conditions for implementation of the defective products liability regime. In this case, a patient was prescribed Mediator treatment...more

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