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2024 was an active year in Canadian patent law, with the Federal Court issuing several decisions on the merits regarding invalidity and/or infringement. The courts also considered issues of the regulation of patent agents,...more
Vascular Solutions LLC v. Medtronic, Inc., Appeal No. 24-1398 (Fed. Cir. Sept. 16, 2024) In our Case of the Week, the Federal Circuit evaluated certain heavily litigated claims directed to guide catheters. The patents...more
Defining Indefiniteness: When Are Claim Limitations Contradictory? In Maxell, Ltd., v. Amperex Technology Limited, Appeal No. 23-1194, the Federal Circuit held that two claim limitations are not contradictory if they...more
Earlier today the Federal Circuit in Maxell v. Amperex, No. 23-1194, vacated a District Court’s indefiniteness determination after distinguishing an indefinite patent claim having contradictory claim limitations from a patent...more
To follow up on my February 6, 2024 post, Federal Circuit Judges Prost, Taranto, and Chen heard oral argument on February 9, 2024 in Maxell v. Amperex, No. 23-1194, concerning a claim term that the District Court had found...more
18 8 In ABS Global, Inc. v. Cytonome/ST, LLC, No. 2022-1761, 2023 WL 6885009 (Fed. Cir. Oct. 19, 2023), the Federal Circuit issued a precedential reminder that the use of “a” or “an” means “one or more” in an open-ended claim...more
Precedential Federal Circuit Opinions - IN RE: FLOAT'N'GRILL LLC [OPINION] (2022-1438, 7/12/2023) (Prost, Linn, and Cunningham) - Linn, J. The Court affirmed the Patent Trial and Appeal Board’s decision “affirming the...more
We are excited to share Sheppard Mullin’s inaugural quarterly report on key Federal Circuit decisions. The Spring 2023 Quarterly Report provides summaries of most key patent law-related decisions from January 1, 2023 to March...more
If you think claim construction is more fun than watching paint peel, then you’re probably a patent lawyer. And what’s more fun than claim construction? Claim construction with an indefiniteness challenge, as happened in this...more
The US Court of Appeals for the Federal Circuit addressed the tension between the intrinsic and extrinsic record in claim construction, holding that the intrinsic record should be relied on first. The Court therefore reversed...more
Earlier this year, the US Court of Appeals for the Federal Circuit reversed a district court decision for relying on an incorrect standard for indefiniteness. (Nature Simulation Systems Inc. v. Autodesk, Inc). Now, in...more
International Business Machines Corp. v. Zillow Group, Inc. et al., Appeal No. 2021-2350 (Fed. Cir. 2022) - In this week’s Case of the Week, the Federal Circuit affirmed a Rule 12(c) judgment on the pleadings that IBM’s...more
In July, there were four new complaints filed at the ITC: (1) Certain Soft Projectile Launching Devices, Components Thereof, Ammunition, and Products Containing Same, Inv. No. 337-TA-3629, filed by Hasbro, Inc., and...more
Referencing the use of antecedents from a “wherein” clause, the US Court of Appeals for the Federal Circuit reversed a district court’s claim construction and vacated its summary judgment ruling of indefiniteness that relied...more
University of Massachusetts v. L’Oréal S.A., Appeal No. 2021-1969 (Fed. Cir. June 13, 2022) - In an appeal from the U.S. District Court for the District of Delaware, the Federal Circuit addressed (1) whether the district...more
The US Court of Appeals for the Federal Circuit affirmed a Patent Trial & Appeal Board (Board) decision holding that the term “self-similar” was not indefinite and denying leave to file a sanctions motion. ClearOne, Inc. v....more
The US Court of Appeals for the Federal Circuit overturned a district court determination that the claim terms “resilient” and “pliable” were indefinite. The Federal Circuit found that the claims, while broad, were...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 February 24, 2022, Judge LaShann DeArcy Hall found patent claims directed to pressure-activated self-cooling mats for pets to be invalid as indefinite in a case filed by The Green Pet Shop Enterprises LLC against Fine...more
避而不谈可能支持否定性权利要求限定 - 在 Novartis Pharmaceuticals 诉 Accord Healthcare Inc. 一案（上诉案件编号：21- 1070）中，联邦巡回上诉法院认为，一项对药物“速效剂量”避而不谈的专利申请，为要求不存在此类剂量的否定 性权利要求限制提供了书面说明支持。 ...more
記述がないことがクレームの否定的限定のサポートと解釈できる場合がある Federal Circuit は、Novartis Pharmaceuticals v. Accord Healthcare Inc. (Appeal No. 21-1070) に おいて、薬剤の「初回負荷用量」についての記述がない特許出願は、そのような用量がないことを要 求するクレームの否定的限定に記述によるサポートを提供していることになると判示した。 ...more
January 2022 Federal Circuit Newsletter (Japanese) January 2022 Federal Circuit Newsletter (Chinese) Silence May Support Negative Claim Limitation In Novartis Pharmaceuticals v. Accord Healthcare Inc. Appeal No. 21-1070, the...more
Last week, a split Federal Circuit panel reversed a decision invalidating certain computer-aided-design patent claims because the district court used an incorrect indefiniteness standard....more
The US Court of Appeals for the Federal Circuit reversed a district court finding of indefiniteness for focusing solely on the language of the claims and ignoring the specification and prosecution history. Nature Simulation...more