En Banc Activity / Featured / Petitions

Recent En Banc Activity

Here is an update on recent en banc activity at the Federal Circuit in patent cases. Since our last update, one new petition for en banc rehearing was filed, raising questions related to claim construction, patent eligibility, and appellate procedure. The court also denied four petitions for en banc rehearing. Those petitions raised questions related to the presumption of validity and the written description requirement, Rule 36, attorneys’ fees, and obviousness, and claim construction. Here are the details.

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En Banc Activity / Featured / Petitions

Recent En Banc Activity

Here is an update on recent en banc activity at the Federal Circuit in patent cases. Since our last update, the Federal Circuit has invited a response to a petition raising a question related to claim construction and preambles; one new response has been filed to a petition that raises a question related to the presumption of validity and the written description requirement; and three petitions for en banc rehearing have been denied in cases raising questions related to ineligibility, claim construction, and prosecution history estoppel. Here are the details.

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En Banc Activity / Featured / Petitions

Recent En Banc Activity

Here is an update on recent en banc activity at the Federal Circuit in patent cases. Since our last update, the Federal Circuit invited a response to a petition raising a question related to the presumption of validity. The Federal Circuit also denied a petition for rehearing en banc in a patent case that asked the court to review questions related to claim construction. Here are the details.

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En Banc Activity / Featured

Recent En Banc Activity

Here is an update on recent en banc activity at the Federal Circuit. Since our last update, the en banc court heard oral argument in Lesko v. United States, an employment law case. Additionally, four new en banc petitions have been filed in patent cases raising questions related to the presumption of validity, eligibility, and claim construction. A new response was filed in a case concerning the appropriate test for design-patent infringement. Finally, the court denied petitions for en banc rehearing in two patent cases. Here are the details.

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Opinions

Opinions & Orders – August 27, 2025

Late yesterday, the Federal Circuit released a nonprecedential order dismissing an appeal. This morning, the court released a precedential opinion in a vaccine case and a nonprecedential opinion in a pro se case. The court also released an errata and another nonprecedential order dismissing an appeal. Here are the introductions to the opinions and links to the errata and dismissals.

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Opinions

Opinions & Orders – August 8, 2025

Late yesterday, the Federal Circuit released a nonprecedential order dismissing an appeal. This morning, the court released a precedential opinion in a patent case appealed from the District of New Jersey. The Federal Circuit also released two nonprecedential opinions in decisions appealed from the Merit Systems Protection Board and the Court of Appeals for Veterans Claims. Finally, the court released two Rule 36 summary affirmances. Here are the introductions to the opinions and links to the Rule 36 summary affirmances and dismissal.

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En Banc Activity / Petitions

Recent En Banc Activity

Here is an update on recent en banc activity at the Federal Circuit in patent cases. The court recently denied two petitions. One raised questions related to the notice required to collect damages for infringement. The other raised a question related to the appropriate timing of a notice of an interlocutory appeal. Here are the details.

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Opinions

Opinions & Orders – December 23, 2021

This morning the Federal Circuit issued a nonprecedential order denying a petition for panel rehearing and en banc rehearing. The petition comes in a patent case appealed from the District of New Jersey. Notably, Judge O’Malley wrote a dissenting opinion, and Judge Newman dissented without opinion. Here are the introductions to the order and the dissenting opinion.

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En Banc Activity / Petitions

Recent En Banc Activity

Here is an update on recent en banc activity at the Federal Circuit. In the only pending en banc case, a veterans case, five new amicus brief were filed in support of the appellant. As for requests for rehearing en banc in patent cases, the court received four new petitions raising questions relating to patent eligibility and claim construction. The court also invited a response to a petition that raised questions concerning the court’s handling of petitions for writs of mandamus seeking transfer in patent cases. Finally, the court received a response to a petition raising a question related to the appropriate timing of a notice of an interlocutory appeal. Here are the details.

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En Banc Activity / Petitions

Recent En Banc Activity

Here is an update on recent en banc activity at the Federal Circuit in patent cases. The court received three new petitions raising questions related to tolling for post-trial motions, the Federal Circuit’s reversal of a judgment in an inter partes review proceeding based on a teaching away finding, and a denial of a petition for a writ of mandamus seeking to order transfer. The court also invited a response to a petition concerning deference to the Patent Trial and Appeal Board. Lastly, the court denied petitions in two cases relating to transfer and the standard for review for petitions for writs of mandamus and a third case relating to patent eligibility. Here are the details.

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