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.
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 a question regarding claim construction; one new response was filed in another case raising a different question regarding claim construction; and the Federal Circuit denied two petitions for en banc rehearing, both raising questions related to transfer. Here are the details.
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.
Recent En Banc Activity
Here is an update on recent en banc activity at the Federal Circuit. Since our last update, with respect to granted petitions we have posted an opinion summary for a government contract case and an argument recap for a case addressing federal personnel law. With respect to pending petitions, two new petitions for en banc rehearing have been filed, one raising a question related to claim construction and one a question related to prosecution history estoppel. The Federal Circuit also denied petitions for en banc rehearing in two patent cases, one raising a question related to patent eligibility and one raising questions related to Federal Rule of Civil Procedure 52. Here are the details.
Opinions & Orders – August 1, 2025
Late yesterday, the Federal Circuit released three nonprecedential orders dismissing appeals in patent cases. This morning, the court released two precedential opinions. One comes in a patent case appealed from the Eastern District of Pennsylvania, and one comes in a veterans case appealed from the Court of Appeals for Veterans Claims. Additionally, the Federal Circuit released a precedential order denying en banc review in a patent case. Notably, Chief Judge Moore and Judge Stoll concurred and Judges Dyk and Hughes dissented from the decision to deny en banc review. Finally, the court issued a nonprecedential opinion in a patent case and two nonprecedential orders, one denying a petition for a writ of mandamus in a patent case and one dismissing a case. Here are the introductions to the opinions and orders and links to the dismissals.
