Indefiniteness Before the PTAB
The United States Patent and Trademark Office’s (“USPTO”) Appeals Review Panel (“the Panel”) recently clarified that means-plus-function claims do not require that the specification disclose equivalents. See Ex parte...more
On May 17, 2024, an Appeals Review Panel (ARP) of the United States Patent and Trademark Office (“USPTO”) released its decision in Ex parte Chamberlain (referred to in Federal Circuit proceedings as In re Xencor;...more
Means-plus-function claim elements can be a sticky wicket during an inter partes review, to borrow a phrase from the cricket lovers out there. These are claim elements drafted under 35 U.S.C. § 112(f) (or its predecessor...more
The Federal Circuit issued two cases this week providing more clarity to when a functional claim feature should be considered a de facto means-plus-function claim that requires structural detail to meet the indefiniteness...more
The PTAB Strategies and Insights newsletter provides timely updates and insights into how best to handle proceedings at the USPTO. It is designed to increase return on investment for all stakeholders looking at the entire...more
Reversing a district court finding of indefiniteness under 35 U.S.C. § 112 ¶ 6, the US Court of Appeals for the Federal Circuit found that the district court erred by ignoring unrebutted evidence that the challenged claim...more
Hunting Titan, Inc. v. DynaEnergetics Europe GMBH, Appeal Nos. 2020-2163, -2191 (Fed. Cir. March 24, 2022) - In a notable review of the USPTO’s new Precedential Opinions Panel, the Federal Circuit discussed the...more
On December 28, in Intel Corp. v. Qualcomm Inc., the Federal Circuit held that the Patent Trial and Appeal Board (PTAB) may not decline to consider the patentability of a claim challenged in an inter partes review (IPR)...more
The US Court of Appeals for the Federal Circuit affirmed a lower court’s findings of noninfringement, in part because the plaintiff had failed to prove the “way” element of the function-way-result test for a first...more
Precedential Federal Circuit Opinions KANNUU PTY LTD. v. SAMSUNG ELECTRONICS CO., LTD. [OPINION] (2021-1638, 10/7/21) (Newman, Prost, Chen) - Chen, J. Denying motion for preliminary injunction. Patentee sought to compel...more
In Rain Computing, Inc. v. Samsung Elecs. Am., Inc., the Federal Circuit held that the claimed language “user identification module” was a means-plus-function element with no corresponding structure disclosed in the...more
Claim language is important. Particularly when dealing with software systems, claims may be held invalid as being indefinite when the claim language is characterized as “means-plus-function” under pre-AIA 35 U.S.C. §112 ¶ 6...more
Corresponding Structure Snafu: Lack of Algorithm Renders Claims Indefinite - In Rain Computing, Inc. v. Samsung Electronics Co. Ltd., Appeal No. 20-1646, the Federal Circuit held that the structure for performing a...more
Last week was argument week, and the Federal Circuit previewed its new YouTube channel for streaming live arguments (sadly, audio only for now). Still, that didn’t slow the Federal Circuit down in issuing opinions, including...more
RAIN COMPUTING, INC. v. SAMSUNG ELECTRONICS CO. LTD. Before Lourie, Dyk, and Moore. Appeal from the United States District Court for the District of Massachusetts. Summary: The structure for performing a function of...more
The Federal Circuit’s recent decision in Samsung Electronics America, Inc. v. Prisua Engineering Corp., — F.3d —, 2020 WL 543427, at *4 (Fed. Cir. Feb. 4. 2020), could not be more clear: “[W]e hold that the Board may not...more
The Federal Circuit definitively rejected arguments to cancel challenged claims for reasons other than anticipation or obviousness in an inter partes review proceeding. In Samsung Electronics America, Inc., v. Prisua...more
The Federal Circuit reversed and remanded a Patent Trial and Appeal Board (the “Board”) decision declining to analyze patent claims as anticipated or obvious in an inter partes review (IPR) where the Board found the...more
In its recent decision, Fiber, LLC. v. Ciena Corp., No. 2019-1005 (Fed. Cir. Nov. 21, 2019), the Court of Appeals for the Federal Circuit (Federal Circuit) issued a reminder that the structure necessary to satisfy the...more
The definiteness requirement for patent claims is set forth in Section 112(b), mandating that a patent specification conclude with one or more claims “particularly pointing out and distinctly claiming subject matter which the...more
Ericsson Inc. v. Intellectual Ventures I LLC (No. 2017-1521, 8/27/18) (Reyna, Taranto, Chen) Reyna, J. - Vacating and remanding the PTAB’s IPR decision because the PTAB erred in not considering portions of the petitioner’s...more
Federal Circuit Summary - Before Prost, Bryson, and O’Malley. Appeal from the United States International Trade Commission (“ITC”). Summary: Evidence intrinsic to a patent may be sufficient to overcome the presumption...more
Federal Circuit Summaries - Before Reyna, Taranto, and Hughes. Appeal from the Northern District of California. Summary: Failure to use the word “means” creates a rebuttable presumption that the term is not a...more
Functional Claiming in Software Patents - Software patents are generally directed to a sequence of steps or rules, i.e., an algorithm, performed by a computer programmed to carry out the algorithm. Because algorithms are...more
Arbitration - Waymo v. Uber Technologies, 870 F.3d 1342 (Fed. Cir. 2017) - Waymo sued Uber and others for trade secret misappropriation and patent infringement. Uber contends that Waymo should be compelled to...more