News & Analysis as of

Expert Witness Appeals Patents

Smart & Biggar

Federal Court continues recent trend of granting summary judgment in appropriate patent proceedings

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In a recent decision, Flatwork Technologies LLC v Brierley (2020 FC 997), the Federal Court granted summary judgment in favour of the Plaintiff, Flatwork Technologies, LLC (Flatwork), in respect of its patent impeachment...more

Sunstein LLP

FanDuel Learns the Hard Way: An IPR Challenge to Any Patent Claim May be Lost if Not Comprehensive and Rigorous Enough

Sunstein LLP on

As we demonstrated in our own successful appeal, Arendi S.A.R.L. v. Apple Inc. (Fed. Cir. 2016), a petition for inter partes review (“IPR”) may fail when an expert declaration lacks detailed explanation. An expert’s...more

Knobbe Martens

The Definition of “Half-Liquid” Is Only Half Baked

Knobbe Martens on

IBSA INSTITUT BIOCHIMIQUE, S.A. V. TEVA PHARMACEUTICALS USA, INC. Before Prost, Reyna, and Hughes. Appeal from the District Court of Delaware - Summary: A term may be indefinite when the proposed construction is not...more

McDonnell Boehnen Hulbert & Berghoff LLP

HVLPO2, LLC v. Oxygen Frog, LLC (Fed. Cir. 2020)

Expert witness testimony is a frequent (almost ubiquitous) feature of patent litigation, if only because questions of the state of the art or the understanding of one having ordinary skill in the art are almost always at...more

Knobbe Martens

Non-Expert Testimony on Obviousness Is Inadmissible

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HVLPO2, LLC v. OXYGEN FROG, LLC - Before Newman, Moore, and Chen. Appeal from the United States District Court for the Northern District of Florida. Summary: It is an abuse of discretion to permit a witness to testify...more

Knobbe Martens

Expert Testimony Must Be Tethered to Supporting Evidence

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Before Reyna, Hughes, and Stoll. Appeal from the Patent Trial and Appeal Board. TQ DELTA, LLC v. CISCO SYSTEMS, INC. Summary: Findings of fact at the PTAB must be supported by substantial evidence, and conclusory expert...more

Sterne, Kessler, Goldstein & Fox P.L.L.C.

PTAB Strategies and Insights - July 2018

The PTAB Strategies and Insights newsletter provides timely updates and insights into how best to handle proceedings at the USPTO. It is designed to increase return on investment for all stakeholders looking at the entire...more

Smart & Biggar

Federal Court of Appeal dismisses Teva’s levofloxacin damages appeal

Smart & Biggar on

On February 8, 2018, the Federal Court of Appeal issued public reasons for its decision dismissing Teva’s appeal relating to the damages and costs awarded against it for its infringement of Janssen’s patent for levofloxacin...more

Knobbe Martens

Elbit Systems Of America, LLC v. Thales Visionix, Inc.

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Federal Circuit Summaries - Before Moore, Wallach, and Stoll. Appeal from the Patent Trial and Appeal Board. Summary: The PTAB is entitled to weigh the credibility of expert witnesses, and attorney argument cannot be...more

Schwabe, Williamson & Wyatt PC

Fresh From the Bench: Precedential Patent Cases From the Federal Circuit

Today the Circuit agreed to hear en banc Nantkwest v. Matal,in which the panel had reversed a district court decision that had rejected the PTO’s position that applicants who appeal a district court must pay the PTO’s legal...more

Sterne, Kessler, Goldstein & Fox P.L.L.C.

Perspectives On The PTAB - Inaugural Issue

We are pleased to share this Perspectives on the PTAB newsletter. Its content is directed toward providing information and analysis of the decisions made by the Patent Trial and Appeal Board. We hope that this newsletter...more

McDermott Will & Emery

No Special Rules Regarding Consideration of Expert Declarations in IPR Proceedings - In re International Business Machines Corp.

McDermott Will & Emery on

In a non-precedential opinion, the U.S. Court of Appeals for the Federal Circuit declined to direct the U.S. Patent and Trademark Office (PTO) to create a particularized written standard for consideration of inter partes...more

Knobbe Martens

Federal Circuit Review - Volume 2 | Issue 12 December 2012

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In This Issue: • Indexing Not Required for Online Prior Art Publication • Claim Indefinite for Not Disclosing Any Structure • Aluminum Not Inherently Disclosed - Excerpt from Claim Indexing Not Required...more

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