News & Analysis as of

Suggestive or Descriptive Marks: An “Expert’s” View

On February 28, 2015, the Southern District of New York denied a motion to exclude the testimony and survey of an expert witness regarding whether a trademark was descriptive or suggestive. In Rise-N-Shine, LLC v. Robin...more

Descriptive or Suggestive Marks: An Issue for "Experts"?

On February 28, 2015, the Southern District of New York denied a motion to exclude the testimony and survey of an expert witness regarding whether a trademark was descriptive or suggestive. In Rise-N-Shine, LLC v. Robin...more

Declarant Must Be Made Available for Deposition in the United States - Square, Inc. v. REM Holdings 3, LLC

Addressing the location of a deposition of patent owner’s declarant, the U.S. Patent and Trademark Office’s (PTO) Patent Trial and Appeal Board (PTAB or Board) concluded that, absent an agreement between the parties to...more

Chicago Federal Court Bars Expert Testimony Espousing the “Any Exposure” Theory

On December 22, 2014, in a pre-trial ruling, the U.S. District Court for the Northern District of Illinois, in Krik v. Crane Co., et al., No. 1:10-cv-07435 (N.D. Ill. December 22, 2014) barred perennial plaintiff’s expert Dr....more

No Cross-Examination of Expert at the Close of Evidence

A.C. Dispensing Equipment Inc. v. Prince Castle LLC - Addressing the appropriate timing of cross-examination of expert witnesses in an inter partes review (IPR), the U.S. Patent and Trademark Office Patent Trial and...more

One Expert In, One Expert Out in Illinois Asbestos Case

An Illinois federal judge recently approved only one of two well-known asbestos experts to testify in a former pipefitter’s asbestos exposure case. U.S. District Judge John Z. Lee of the Northern District of Illinois held...more

Ask the Experts About Bad Faith; Just Be Careful How You Do It

In bad faith cases, juries must often decide if the way an insurer processed a claim lacked a “reasonable” basis. Courts have consistently held that experts can help—by explaining how a claim is supposed to be handled. The...more

Correlation Is Not Causation: Class Certification Denied Because Experts’ Methodologies Fail To Show Predominate Antitrust Injury...

A California federal district court denied certification of two nationwide classes, each asserting a price-fixing conspiracy for optical disk drives (“ODD”), because the plaintiffs’ experts failed to provide a viable...more

Are Attorney-Expert Communications Discoverable in Pennsylvania? (Almost never) -- Some Clarity from the Appellate Courts

In Pennsylvania, testifying experts usually are not deposed before trial; typically, their written reports are provided in advance of trial and delineate the substance and scope of their testimony. Attorneys often wish to...more

Motion to Strike Expert Testimony Denied Even Though Expert Had Never Used Product and Examined Only Selected Pieces of Source...

In this patent infringement action, the defendant moved to exclude portions of the plaintiff's (Dr. Bambos') expert testimony. Defendant argued that Dr. Bambos lacks familiarity with the infringing products, relied too...more

An Offer to Concede Your Expert’s Qualifications May Be a Trojan Horse

When you start eliciting testimony on your expert witness’s qualifications, the other side may offer to “waive the testimony concerning qualifications” or concede that the witness is specially qualified to testify as an...more

Eleventh Circuit Refuses to Credit Expert’s Guess on Causation

The U.S. Court of Appeals for the Eleventh Circuit has issued an important decision on expert testimony, Hughes v. Kia Motors. Patricia Hughes filed a wrongful death action against Kia Motors after her daughter,...more

Causation Experts Properly Excluded Where The “Leap From Data To Opinion Was Too Great”

In Hughes v. Kia Motors Corp., No. 13-10922, the Eleventh Circuit recently affirmed the district court’s exclusion of the plaintiff’s expert witness in a motor vehicle product liability case. Allene Hughes, the plaintiff’s...more

"I'll Tell You What Really Happened": In the 6th Circuit, Experts Can Contradict Their Clients' Testimony

The weight of expert testimony in product liability cases can hardly be overstated. Because complex questions of scientific and medical causation often hold sway, juries are thirsty for someone to tell them what the evidence...more

Part 4 - Specific Preparation in Cross-Examining the Expert Witness

In the three earlier articles of this series, I discussed the reasons why you need to cross-examine an expert witness, the four main advantages a trial lawyer has over an expert witness, and the four stages of general...more

Judge Forrest authorizes depositions of declarants to support defendant’s motion for summary judgment

Following defendant Monster’s filing of a motion for summary judgment, the patentee provided declarations by two expert witnesses in opposition. Monster noticed depositions of these experts, but the patentee moved for a...more

5 Rules to Minimize Expert Contamination

Attorneys risk expert contamination when they provide information to an expert about a case. Although you need to discuss the case candidly and openly with your expert, you don’t want to contaminate the expert with...more

Defeating Indefiniteness Challenge with Petitioner’s Witness

In eBay Inc. v. Lockwood, CBM2014-00025, Paper 34, CBM2014-00026, Paper 35 (August 12, 2014) the Board denied eBay’s motion to expunge the declaration of its expert, directed to unpatenability of the prior art, which eBay...more

The Four Main Advantages of Trial Lawyer against Expert Witness

In the first part of this article series, I described the reasons that a trial attorney needs to cross-examine an expert witness. Against the expert witness defending his home territory, the trial lawyer has four main...more

Expert Testimony: Additional Insights from AU Optronics

Last month, we were excited to publish our article, The Use of Expert Witnesses for Penalty Determinations in Criminal Antitrust Cases: A Study of United States v. AU Optronics, in Antitrust Magazine. The article examines...more

Western District of Texas: An Expert Must Base a Determination of Bad Faith on the Facts Available to the Insurer When it Acted

Falcon v. State Farm Lloyds, No. 1:12-CV-491-DAE, 2014 WL 2711849 (W.D. Tex. June 16, 2014) - The Western District of Texas finds that a policyholder’s expert witness is not qualified to opine when he does not...more

Evidence – Expert Witness Testimony – Grounds for Exclusion

City of Pomona v. SQM North America Corporation - Court Of Appeals, Ninth Circuit Nos. 12-55147, 12-55193 (May 2, 2014) - Under Federal Rule of Evidence (“FRE”) 702, expert witness testimony must meet certain...more

Are Two (or More) Experts Better Than One?

Should you hire multiple experts on the same topic? There are some very good reasons to use this strategy. If the case justifies the expense, retaining multiple consultants in the same field has a variety of advantages....more

Golden Bridge v. Apple: No Third Bite at the Apple as Damage Expert Excluded After Two Failed Reports and Where Trial Was Already...

Two weeks earlier, the court excluded the expert opinion and testimony of Plaintiff Golden Bridge Technology's ("GBT") damages expert. Nonetheless, the court gave GBT one week to submit a new report based on a new theory....more

Invalidity Expert Excluded Where Expert Failed to Conduct a Proper Written Description Analysis

Plaintiff Trading Technologies International, Inc. ("TT") moved to strike the invalidity expert report of the defendant, CQG. TT made two arguments its motion: " that Dr. Mellor failed to conduct a proper written description...more

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