4,287 results found

Reversing a decision by the United States Patent and Trademark Office Board of Patent Appeals and Interferences (Board) in a patent interference, the U.S. Court of Appeals for the Federal Circuit held that an appellant was entitled to the benefit of a foreign priority document.

The Federal Circuit has denied a petition for rehearing en banc in a design patent case that has sparked sharp internal disagreement over how infringement determinations should be made. Chief Judge Moore's dissent argues the court has improperly shifted fact-intensive questions about functionality and substantial similarity from juries to judges, while the concurrence maintains the panel decision follows longstanding precedent.

A federal district court in Massachusetts dismissed a patent infringement case after determining that the asserted patent claims were directed to unpatentable subject matter under 35 U.S.C. § 101.

Addressing whether the entire market value rule permits recovery of lost profits on unpatented components sold with a patented item, the U.S. Court of Appeal for the Federal Circuit reversed the district court’s exclusion of evidence of lost profits on unpatented syrup concentrate sold with a patented dispenser.

In Fortress Iron, L.P. v. Digger Specialties, Inc, No. 24-2313, (Fed. Cir. Apr. 2, 2026), the Federal Circuit affirmed the United States District Court for the Northern District of Indiana’s invalidation of Fortress’ U.S.

The Federal Circuit recently addressed whether claims directed to a relay device for tracking farming operations constitute patent-eligible subject matter under 35 U.S.C. § 101.

Addressing issues of trademark infringement and Florida’s Deceptive and Unfair Trade Practices Act, the U.S. Court of Appeals for the Eleventh Circuit affirmed summary judgment ruling that where the product on which a mark is affirmed cannot be seen by a customer, there is no likelihood of confusion.

Addressing whether a well-known operation can be deemed intentionally concealed, absent evidence of intent, the U.S. Court of Appeals for the Federal Circuit reversed a district court’s grant of summary judgment of patent invalidity that was based on the inventors’ failure to disclose the preferred mode of practicing an invention.

The U.S. Court of Appeals for the Federal Circuit has shed some additional light on the application of prosecution history estoppel under Festo to certain narrowing claim amendments.

In a decision that highlights the importance of knowing how and when to make objections in order to preserve issues for appeal, the U.S. Court of Appeals for the Federal Circuit upheld a district court’s judgment of no infringement pointing to the various objections the patentee failed to make in the proceedings that came back to haunt it on appeal.

The U.S. Supreme Court recently confronted the ever-increasing concerns regarding frivolous patent infringement suits by clarifying the requirements of 35 U.S.C. § 285, the fee-shifting statute...

The U.S. Court of Appeals for the Eighth Circuit held that reverse engineering copyrighted software to allow multi-user gaming on an unauthorized server using unauthorized copies of games violated the Digital Millennium Copyright Act (DMCA).

The U.S. Court of Appeals for the Second Circuit has now held that even though Microsoft Corporation was entitled to summary judgment on its copyright infringement claims against an alleged counterfeiter, Island Software & Computer Services, a decision to grant the software giant $240,000 in statutory damages on grounds that the infringer acted "willfully" was inappropriate.

On May 15, the Supreme Court ruled that, in deciding whether to issue permanent injunctions in patent infringement actions, the trial courts should apply the traditional four-prong test for granting injunctive relief. In eBay, Inc. v. MercExchange, the Court, in a unanimous decision, rejected the use of categorical rules and reversed the Federal Circuit's decision for applying the incorrect standard. Justice Clarence Thomas’s opinion states that courts should apply the traditional following

On November 28, 2005, the United States Supreme Court (Court) agreed to consider whether a permanent injunction should issue automatically once a patent is found to be valid and infringed.

In the long-running litigation between Asyst Technologies, Inc. and various defendants over Asyst’s patent directed to a system used in the production of integrated circuits, the U.S. Court of Appeals for the Federal Circuit has—for a second time—overturned the district court’s summary judgment grant of non-infringement.

The U.S. Court of International Trade has established a new procedure for importers to obtain refunds on tariffs that were imposed under the International Emergency Economic Powers Act and later invalidated by the Supreme Court. This development addresses the critical question of how importers with fully liquidated entries can recover duties paid under what the Supreme Court determined were unlawful tariffs.

The U.S. Court of Appeals for the Federal Circuit faces a critical challenge to universal tariff refunds as CBP appeals a lower court order, arguing it lacks authority to refund fully liquidated duties imposed under invalidated IEEPA authority.