Opinions

Opinions & Orders – November 25, 2025

This morning, the Federal Circuit two precedential opinions, one nonprecedential opinion, and two nonprecedential orders. Both precedential opinions come in patent cases. One comes in an appeal of a judgment of invalidity, and the other comes in an appeal of an award of attorneys’ fees. The nonprecedential opinion comes in an appeal from the Court of Federal Claims in a government contract case. One order grants a motion to vacate a judgment, while the other is a dismissal. Here are the introductions to the opinions and first order and a link to the dismissal.

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Argument Preview

Argument Preview – Mid Continent Steel & Wire, Inc. v. United States

Three cases being argued at the Federal Circuit in December attracted amicus briefs. One of these cases is Mid Contintent Steel & Wire, Inc. v. United States, a trade case. In it, PT Enterprise Inc. and related Taiwanese nail producers appeal a decision of the Court of International Trade, which sustained findings of the Department of Commerce. In particular, PT Enterprise asks the Federal Circuit to determine whether the Department of Commerce’s differential pricing methodology, which determines whether there is a significant difference between pricing patterns, is supported by substantial evidence and otherwise in accordance with law. This is our argument preview.

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Featured / News

Recent News on the Federal Circuit

Here is a report on recent news and commentary related to the Federal Circuit and its cases. Today we highlight:

  • an article reporting how “President Donald Trump’s administration is working behind the scenes on fallback options if the Supreme Court strikes down one of his major tariff authorities”;
  • a blog post discussing “whether amicus briefs matter” in President Trump’s tariff case;
  • an article highlighting how Federal Circuit Judge Richard Linn and former Federal Circuit Judge Kathleen O’Malley recently stated “that they believe legislation is the best path to getting more clarity on which inventions are eligible for patents”; and
  • a blog post noting the Federal Circuit recently “denied three mandamus petitions asking the court to step in and curb the recently-implemented practice by which the U.S. Patent and Trademark Office . . . Director decides whether to institute inter partes review . . . proceedings.”
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Argument Preview / Panel Activity

Argument Preview – Constellation Designs, LLC v. LG Electronics Inc.

Three cases being argued at the Federal Circuit in December attracted amicus briefs. One of these cases is Constellation Designs, LLC v. LG Electronics Inc., a patent case. In it, LG Electronics Inc., LG Electronics U.S.A., Inc., and LG Electronics Alabama, Inc. appeal a district court’s grant of summary judgment of eligibility and its order denying judgment as a matter of law of noninfringement and no damages.

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Opinions

Opinions & Orders – November 24, 2025

This morning, the Federal Circuit released one nonprecedential opinion and five nonprecedential orders. The opinion comes in a pro se appeal of a dismissal of a complaint against the Patent and Trademark Office. One of the orders denies a petition for a writ of mandamus seeking to transfer patent cases; one transfers a case to a federal district court; the third grants a motion to remand a patent case to a district court; and the last two dismiss appeals. Here are the introductions to the opinion and first three orders and links to the dismissals.

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Argument Recap

Argument Recap – Arendi S.A.R.L. v. Oath Holdings Inc.

Earlier this month, the Federal Circuit heard oral argument in Arendi S.A.R.L. v. Oath Holdings Inc., a patent case we have been following because it attracted an amicus brief. In it, Arendi appeals a judgment of a district court, raising questions concerning patent eligibility, claim construction, indefiniteness, and infringement. Judges Dyk, Linn, and Hughes heard the oral argument. This is our argument recap.

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Argument Recap / Featured

Argument Recap – Micron Technology, Inc. v. Longhorn IP, LLC

Earlier this month, the Court heard oral argument in a patent case we have been following because it attracted three amicus briefs. The case, Micron Technology, Inc. v. Longhorn IP, LLC, raises questions relating to Idaho’s Bad Faith Assertions of Patent Infringement Act. Katana, the patent owner, sued Micron for infringement in federal district court. Longhorn, its licensing affiliate, was then sued by Micron in Idaho state court under the Act. Longhorn and Katana now appeal the district court’s order requiring an $8 million bond as a precondition to Katana pursuing its patent infringement claims. This is our argument recap.

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Opinions

Opinions & Orders – November 21, 2025

Late yesterday, the Federal Circuit released a nonprecedential order dismissing an appeal. This morning, the Federal Circuit released one precedential opinion and two nonprecedential opinions. The precedential opinion comes in an appeal of a decision of the Merit Systems Protection Board. One of the nonprecedential opinions also comes in an appeal of a decision of the Merit Systems Protection Board, while the other comes in a pro se appeal of a decision of the Court of Appeals for Veterans Claims. Here are the introductions to the opinions and a link to the dismissal.

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Featured / News

Recent News on the Federal Circuit

Here is a report on recent news and commentary related to the Federal Circuit and its cases. Today we highlight:

  • an article suggesting that, in deciding President Trump’s tariff case, “Chief Justice John Roberts faces a defining challenge as he enters his third decade leading the Supreme Court”;
  • an article considering “[w]hat alternatives” the Trump Administration might “pursue if the court strikes down its use of IEEPA”; and
  • an article discussing how the Federal Circuit and the U.S. Patent and Trademark Office have provided “some key decisions and guidance” as companies “encounter opportunities to secure patents on their advances” when they use artificial intelligence.
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Opinions

Opinions & Orders – November 20, 2025

Late yesterday, the Federal Circuit released a nonprecedential order dismissing an appeal. This morning, the Federal Circuit released one nonprecedential opinion. It comes in an appeal of a decision in an inter partes review proceeding by the Patent Trial and Appeal Board. Here is the introduction to the opinion and a link to the dismissal.

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