Opinions / Panel Activity

Order Summary – In re Comcast Cable Communications, LLC

Last month, the Federal Circuit issued a per curiam order inĀ In re Comcast Cable Communications, LLC, a patent case we have been following because it attracted an amicus brief. In this case a petition for a writ of mandamus presented a question whether venue is proper when a patent owner fails to establish that every step of a patented method was performed in a judicial district. In a order authored per curiam, Judges Prost, Chen, and Hughes denied the petition. Here is a summary of the order.

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En Banc Activity / Opinions

Opinion Summary – Lesko v. United States

Last month, the Federal Circuit released its opinion in Lesko v. United States, an en banc case addressing federal employment law. In it, the Federal Circuit reviewed a federal employee’s argument that a writing requirement for overtime approval was not a valid exercise of the Office of Personnel Management’s rulemaking authority. In an opinion authored by Chief Judge Moore, the en banc court concluded that the writing requirement was a valid exercise of OPM’s rulemaking authority. Judge Stoll and three other judges dissented. This is our opinion summary.

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Opinions

Opinions & Orders – January 29, 2026

This morning, the Federal Circuit released one precedential opinion, two nonprecedential opinions, and one nonprecedential order. The precedential opinion comes in a patent infringement case, answering the question whether an accused product infringes when it does not perform claim limitations in an allegedly required sequence. Both nonprecedential opinions come in appeals from decisions of the Court of Appeals for Veterans Claims, one of which is a pro se appeal. The nonprecedential order dismisses an appeal. Here are the introductions to the opinions and a link to the order.

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Opinions

Opinions & Orders – January 28, 2026

This morning, the Federal Circuit released two nonprecedential opinions and a nonprecedential order. One of the opinions comes in a case involving claims of patent infringement and trade secret misappropriation; the other comes in an appeal of a decision by the Court of Appeals for Veterans Claims. The order remands a patent case back to a district court based on a district court’s indication it would vacate its patent ineligibility determinations. Here are the introductions to the opinions and the order.

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Opinions

Opinions & Orders – January 27, 2026

Late yesterday, the Federal Circuit released a nonprecedential opinion in an appeal of a decision of the Merit Systems Protection Board. This morning, the Federal Circuit released two nonprecedential opinions, two nonprecedential orders, and an errata. One of the opinions comes in another appeal of a decision of the Merit Systems Protection Board; the other comes in an appeal of a decision of the Court of Appeals for Veterans Claims. Both orders deny petitions for writs of mandamus. One of the petitions sought to order the Merit Systems Protection Board to order discovery and sanction an agency. The other petition sought to order the Patent and Trademark Office to vacate a denial of its petition for inter partes review. Here are the introductions to the opinions and orders along with a link to the errata.

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Opinions

Opinions & Orders – January 26, 2026

This morning, the Federal Circuit released a nonprecedential opinion in an appeal of a decision of the Merit Systems Protection Board. Here is the introduction to the opinion.

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Opinions

Opinions & Orders – January 23, 2026

This morning, the Federal Circuit released four nonprecedential opinions and one nonprecedential order. Two of the opinions come in patent cases, one appealed from the Patent Trial and Appeal Board and one appealed from a district court. The third opinion comes in a pro se appeal of a decision of the Court of Federal Claims. The fourth opinion comes in an appeal of a decision of the Merit Systems Protection Board. The order transfers an appeal. Here are the introductions to the opinions and a link to the order.

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Opinions

Opinions & Orders – January 22, 2026

This morning, the Federal Circuit released two precedential opinions, one nonprecedential opinion, and four nonprecedential orders. One of the precedential opinions comes in a patent infringement case; the other precedential opinion comes in a pro se appeal of a decision of the Merit Systems Protection Board. The nonprecedential opinion comes in another appeal of a decision of the Merit Systems Protection Board. One of the nonprecedential orders denies a petition for a writ of mandamus; another transfers a case. The other two dismiss appeals. Here are the introductions to the opinions and first two orders and links to dismissals.

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Opinions

Opinions & Orders – January 21, 2026

This morning, the Federal Circuit released six nonprecedential opinions and seven nonprecedential orders. Four of the opinions come in patent cases, including two appeals of decisions of the Patent Trial and Appeal Board. The fifth opinion comes in an appeal of a decision of the Court of Federal Claims, while the sixth opinion comes in an appeal of a decision of the Merit Systems Protection Board. Five of the orders dismiss appeals while two transfer cases. Here are the introductions to the opinions and orders transferring cases and links to the dismissals.

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Opinions

Opinions & Orders – January 20, 2026

This morning, the Federal Circuit released a precedential opinion in a patent case appealed from the Eastern District of Pennsylvania. The Federal Circuit concluded that the district court both abused its discretion in excluding expert testimony and erred in granting judgment as a matter of law. Notably, Judge Prost filed a dissenting opinion. Here are the introductions to the opinions.

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