Federal Circuit PTAB Appeal Statistics For March–May 2026

In March through May 2026, the Court of Appeals for the Federal Circuit issued a total of 42 opinions in appeals from post-grant proceedings at the PTAB. These are summarized below by month.

In March, the Federal Circuit affirmed the PTAB on every issue in 7 cases (77.78%), including one precedential decision in Implicit, LLC v. Sonos, Inc. (No. 20-1173). The court issued a mixed outcome, in which some issues were affirmed on appeal and some were not, in […]

By | July 9th, 2026 ||

Appellate Word Limits In Complex Appeals: Why Less Is Often More

Word limits are a fundamental feature of appellate practice, shaping how advocates present their arguments and how courts manage increasingly complex caseloads. Although the Federal Rules of Appellate Procedure appear straightforward on their face, applying them in appeals involving multiple parties, consolidated cases, or cross-appeals can quickly become far more complicated. Understanding these rules—and using them strategically—is an important part of effective appellate advocacy.
Under the Federal Rules of Appellate Procedure, principal briefs are generally […]

By | July 7th, 2026 ||

Federal Circuit Stay Creates Fresh Uncertainty Over Section 122 Tariffs

The US Court of Appeals for the Federal Circuit (CAFC) has temporarily reinstated the collection of tariffs imposed under Section 122 of the Trade Act of 1974, adding further uncertainty for importers challenging the Trump administration’s use of the statute. While the appellate court has not ruled on the legality of the tariffs themselves, its decision allows US Customs and Border Protection (CBP) to continue collecting the duties pending appeal, leaving the prospect of […]

By | July 4th, 2026 ||