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 in a patent case raising questions related to eligibility. One new response was filed in response to a petition raising a question related to unfair competition claims. Finally, the Federal Circuit denied two petitions for en banc rehearing that raised questions related to the written description requirement and venue, respectively. Here are the details.
Opinions & Orders – February 23, 2026
This morning, the Federal Circuit released one nonprecedential opinion and two errata. The opinion comes in an appeal of judgment of patent invalidity and a dismissal of breach-of-contract claims. It discusses when a claim’s preamble should be construed as limiting and addresses indefiniteness regarding spatial terms. Here is the introduction to the opinion and links to the errata.
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 has been filed, raising a question related to the court’s ability to decide the adequacy of written description without deferring to a jury’s verdict; one new amicus brief was filed in support of a petition that raised a question related to venue; and, finally, the court denied two petitions for en banc rehearing one in a pro se case and the other that raised questions related to what qualifies as prior art and the Administrative Procedure Act. Here are the details.
Opinions & Orders – November 18, 2025
This morning, the Federal Circuit released one precedential opinion, two nonprecedential opinions, and one nonprecedential order. The precedential opinion comes in a patent case on appeal from a judgment of a district court and addresses patent law’s written description requirement. Both nonprecedential opinions come in appeals of decisions of the Court of Appeals for Veterans Claims. The order dismisses an appeal. Here are introductions to the opinions and a link to the dismissal.
Recent Supreme Court Activity
This post summarizes recent activity at the Supreme Court in cases decided by the Federal Circuit.
- The Supreme Court received three new petitions for writ of certiorari in (1) InfoBionic, Inc. v. Cardionet, LLC, (2) Lone Star Silicon Innovations, LLC v. Iancu, and (3) Kinghorn v. United States.
- Two new responses to petitions were filed with the Court, the first by the Alfred E. Mann Foundation in Cochlear Corp. v. Alfred E. Mann Foundation for Scientific Research, and the second by the government in ThermoLife International LLC v. Iancu.
- One new reply to the petition in Rovi Guides, Inc. v. Comcast Cable Communications, LLC was filed with the Court by Rovi.
- Three amicus briefs were filed in Idenix Pharmaceuticals LLC v. Gilead Sciences, Inc., all in support of Idenix.
- Lastly, the Supreme Court denied the petitions for writ of certiorari in three cases: (1) IYM Technologies LLC v. RPX Corp., (2) Duke University v. Biomarin Pharmaceutical Inc., and (3) Whitserve LLC v. Donuts Inc.
Here are the details.
Recent Supreme Court Activity
This post summarizes recent activity at the Supreme Court in cases decided by the Federal Circuit.
- Two new reply briefs were filed with the Court, the first by Comcast in Comcast Cable Communications, LLC v. Rovi Guides, Inc., and the second by Duke in Duke University v. Biomarin Pharmaceutical Inc.
- The Court denied a total of three petitions this week: (1) Robles v. Wilkie, (2) Medina v. Federal Aviation Administration, and (3) B.E. Technology, L.L.C. v. Facebook, Inc.
Here are the details.
Recent Supreme Court Activity
This post summarizes recent activity at the Supreme Court in cases decided by the Federal Circuit.
- The Court received three new petitions this week: (1) Mantissa Corp. v. Ondot Systems, Inc., (2) Rovi Guides, Inc. v. Comcast Cable Communications, LLC, and (3) IYM Technologies LLC v. RPX Corp.
- Three briefs in opposition to petitions were filed with the Court, the first by Actavis in HZNP Finance Ltd. v. Actavis Laboratories UT, Inc., the second by CBS in Personal Audio, LLC v. CBS Corp., and the third by Biomarin in Duke University v. Biomarin Pharmaceutical Inc.
- Lastly, the Supreme Court denied a total of 19 different petitions this week.
Here are the details.
Recent Supreme Court Activity
This post summarizes recent activity at the Supreme Court in cases decided by the Federal Circuit.
- The Supreme Court received one new petition for writ of certiorari this week in the patent case Duke University v. Biomarin Pharmaceutical Inc.
- Both the Honorable Randall R. Rader and High 5 Games submitted two new amicus briefs in support of the petitioner to the Court in the petition The Chamberlain Group, Inc. v. Techtronic Industries Co.
Here are the details.
Recent En Banc Activity
Here is an update on recent en banc activity at the Federal Circuit in patent cases. Highlights include one new petition related to obviousness, one amicus brief in support of a petition related to transfer, one notice of supplemental authority related to expert testimony and a response to the notice, and the denial of two petitions. Here are the details.
Recent En Banc Activity
Here is an update on recent en banc activity at the Federal Circuit in patent cases. Highlights include four new petitions, responses to petitions in two cases (including three responses in Arthrex, Inc. v. Smith & Nephew, Inc.), and the denial of a petition along with a dissenting opinion in the same case. Here are the details.
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