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Patent Litigation Summary Judgment Expert Testimony

Proskauer - The Patent Playbook

Federal Circuit Affirms That Expert Testimony Must Be Based on Competent and Reliable Evidence

Mirror Worlds Technologies, LLC (“Mirror Worlds”) sued Meta Platforms, Inc. (“Meta”)—formerly Facebook, Inc.—in the Southern District of New York for patent infringement. The lawsuit involved three patents related to storing,...more

Knobbe Martens

Reversal on Reverse Doctrine of Equivalents

Knobbe Martens on

Conflicting expert testimony constituted substantial evidence supporting the jury’s rejection of a reverse doctrine of equivalents argument....more

McDermott Will & Emery

Equivalence Requires Element-by-Element Proof With Linking Argument

McDermott Will & Emery on

The US Court of Appeals for the Federal Circuit affirmed a district court determination that a patent owner had not provided the “particularized testimony and linking argument” required to demonstrate equivalence under the...more

McDermott Will & Emery

Game Over when Expert Fails to Use Correct Claim Construction

McDermott Will & Emery on

The US Court of Appeals for the Federal Circuit concluded that a district court did not abuse its discretion in striking expert testimony where the testimony did not rely on an agreed and court-adopted claim construction....more

Knobbe Martens

Expert Testimony That Contradicts Patent Specification Fails to Create a Genuine Issue of Fact in a Patent Eligibility Dispute

Knobbe Martens on

CAREDX, INC. V. NATERA, INC. Before Lourie, Bryson, and Hughes - Summary: Expert testimony that steps of challenged patent claims were unconventional failed to preclude summary judgment of ineligibility where...more

Goodwin

The PTAB Trial Tracker

Goodwin on

The availability of post-grant proceedings at the Patent Trial and Appeal Board (PTAB) has changed the face of patent litigation. This monthly digest is designed to keep you up-to-date by highlighting interesting PTAB,...more

McDermott Will & Emery

Cold Pattern Forecast: Piecemeal Design Evaluation Yields Improper Infringement Analysis

McDermott Will & Emery on

In a procedurally complicated case involving allegations of both utility and design patent infringement, the US Court of Appeals for the Federal Circuit found that a district court’s piecemeal approach to a design patent...more

Schwabe, Williamson & Wyatt PC

Latest Federal Court Cases - February 2019 #3

PATENT CASE OF THE WEEK - CenTrak, Inc. v. Sonitor Technologies, Inc., Appeal No. 2017-2510 (Fed. Cir. Feb. 14, 2019) - In this appeal from the United States District Court for the District of Delaware, the Federal...more

Fenwick & West LLP

How Do I Avoid Indefiniteness with No Intrinsic Record Support?

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In Kaneka Corporation v. Zhejiang Medicine, the U.S. District Court for the Central District of California held that expert testimony alone was sufficient to avoid summary judgment of indefiniteness under 35 U.S.C. § 112 ¶ 2,...more

Fenwick & West LLP

Intellectual Property Bulletin - Summer 2018

Fenwick & West LLP on

In This Issue - US Taxation of IP After Tax Reform - U.S. taxation of intellectual property has become astoundingly more complex after the Tax Cuts and Jobs Act. The new rules are so complex that the IRS and Treasury...more

Schwabe, Williamson & Wyatt PC

Fresh From the Bench: Latest Federal Circuit Court Cases

Berkheimer v. HP Inc., Appeal No. 2017-1437 (Fed. Cir. Feb. 8, 2018) - In Berkheimer v. HP Inc., the Federal Circuit reviewed the District Court’s summary judgment finding that certain claims of a patent were invalid as...more

Knobbe Martens

Inherent Anticipation for Biotechnology Inventions

Knobbe Martens on

Anticipation by inherent disclosure requires that a single prior art reference necessarily includes the unstated limitation. The unpredictable nature of biological processes means that winning summary judgment of invalidity...more

Foley & Lardner LLP

Federal Circuit Finds No "Way" To Support Doctrine Of Equivalents

Foley & Lardner LLP on

In Akzo Nobel Coatings, Inc. v. Dow Chemical Co., the Federal Circuit upheld the district court’s grant of summary judgment of no infringement under the doctrine of equivalents because the patent holder had failed to...more

McDermott Will & Emery

Accused Infringer Rides Antitrust Roller Coaster - Magnetar Technologies Corp. v. Intamin Ltd.

McDermott Will & Emery on

Addressing antitrust issues in connection with a dismissed patent infringement lawsuit, the U. S. Court of Appeals for the Ninth Circuit affirmed a grant of summary judgment dismissing antitrust and malicious prosecution...more

Robins Kaplan LLP

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

Robins Kaplan LLP on

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

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