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Knobbe Martens

Federal Circuit Review | April 2025

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In Ams-Osram USA Inc. v. Renesas Electronics America, Inc., Appeal No. 22-2185, the Federal Circuit held that under Texas law, a trade secret becomes publicly accessible on the earliest date it could be reverse engineered...more

Knobbe Martens

Analogous Art Must Be Compared to the Challenged Patent

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In Sanofi-Aventis Deutschland GmbH v. Mylan Pharm. Inc., Case No. 2021-1981, the Federal Circuit reversed an obviousness determination by the PTAB. At issue was Sanofi’s reissued U.S. Patent No. RE47,614 (the ’614 patent),...more

Knobbe Martens

Federal Circuit Review - June 2020

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Non-Infringement Need Not Be “Actually Litigated” To Shield Accused Products From Infringement Liability In Subsequent Actions - In In Re Personal Web Technologies LLC, Appeal No. 19-1918, the Federal Circuit ruled that the...more

Fish & Richardson

Minnesota Patent Litigation Wrap-Up – August 2019

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This post continues our monthly summary of patent litigation in the District of Minnesota, including short summaries of various substantive orders issued in pending cases....more

Smart & Biggar

On the (Quebec Health) Record: the Federal Court holds the Quebec government liable for patent infringement

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In a digital-age David versus Goliath case, Dr. Luc Bessette has come head-to-head with the Quebec government in a battle over rights to a technology solution that provides shared access to critical medical information...more

Knobbe Martens

Federal Circuit Review | October 2016

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Withdrawal of Claims During Prosecution Can Trigger Prosecution History Estoppel In UCB, Inc. v. Yeda Research and Development Co., Ltd., Appeal No. 2015-1957, the Federal Circuit held that prosecution estoppel can apply even...more

McDermott Will & Schulte

Obviousness Inquiry Allows Flexibility in Considering Teachings of Prior Art

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Addressing issues of obviousness, the US Court of Appeals for the Federal Circuit affirmed a finding of obviousness based on a flexible approach and further clarified the appropriate evaluation of secondary considerations...more

McDonnell Boehnen Hulbert & Berghoff LLP

MBHB Snippets: A review of developments in Intellectual Property Law - Volume 14, Issue 2 (Spring 2016)

Pre-AIA and Post-AIA Issues Presented by the On-Sale Bar - The “on-sale” bar to patentability refers to a sale or offer for sale of an invention that can invalidate the patent for that invention. The...more

Dorsey & Whitney LLP

Drilling Down: Court Invalidates Design Patent on Wellbore Centralizer Due to Lack of Ornamentality

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In an unusual patent claim construction order on March 2nd, a federal district court held a design patent invalid for functionality. This is a relatively rare outcome because claim construction in design patent cases is often...more

McDonnell Boehnen Hulbert & Berghoff LLP

Comparison of Design Patent and Trade Dress Protection in Light of the Federal Circuit’s Decision in Apple v. Samsung

In a decision authored by Chief Judge Sharon Prost, the Federal Circuit held that while design patents covering product configurations – that is, “a product feature or a combination or arrangement of features” – can protect...more

Ballard Spahr LLP

Patent Trial & Appeal Board Finds Obscure Russian Doctoral Thesis Qualifies as Prior Art

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The Patent Trial and Appeal Board (Board) recently provided important guidance for prior art “printed publications” asserted in invalidity challenges under the 2011 Leahy-Smith America Invents Act (AIA) concerning a doctoral...more

McDermott Will & Emery

A Kinder, Gentler PTAB Allows Claim Amendments - REG Synthetic Fuels LLC v. Neste Oil Oyj

In a final written decision, the Patent Trial and Appeal Board (PTAB or Board) agreed with the petitioner that the original challenged claims were unpatentable but at the same time granted the patent owner’s motion to amend,...more

McDonnell Boehnen Hulbert & Berghoff LLP

When You Don’t Know What You Know: The Role of Unappreciated Inherency in the Obviousness Analysis

The patent statute makes it clear that subject matter that would have been obvious to one of ordinary skill in the art as of the effective filing date of a patent application is not patentable.[1] The considerations relevant...more

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