News & Analysis as of

Patents Disclaimers Claim Construction

McDermott Will & Emery

Prosecution Disclaimer Alive and Well, Especially in Closed Claim

McDermott Will & Emery on

The US Court of Appeals for the Federal Circuit affirmed a district court’s noninfringement determination, finding that the presence of a disclaimed compound in the accused product precluded infringement. Azurity Pharm., Inc....more

McDermott Will & Emery

Espresso Yourself: When Prosecution History as a Whole Doesn’t Demonstrate Clear, Unmistakable Disclaimer

The US Court of Appeals for the Federal Circuit reversed and remanded a district court’s claim construction and related summary judgment rulings after determining that the district court erred in construing a claim term by...more

Haug Partners LLP

Narrowing the Disclaimer Doctrine: Federal Circuit Cabins the Reach of Disclaimers in the IPR Context

Haug Partners LLP on

OVERVIEW - The United States Court of Appeals for the Federal Circuit recently affirmed three Inter Partes Review (IPR) final written decisions of the U.S. Patent Trial and Appeal Board (“the Board”) where the Board...more

Schwabe, Williamson & Wyatt PC

Latest Federal Court Cases - September 2022

INVT SPE LLC v. Int’l Trade Comm’n, Appeal No. 2020-1903 (Fed. Cir. Aug. 31, 2022) - In its only precedential patent case last week, the Federal Circuit issued a lengthy opinion that revolved around claims that are drawn...more

Knobbe Martens

Sounding Off: Prosecution Disclaimer Requires Unambiguous Intrinsic Evidence

Knobbe Martens on

GENUINE ENABLING TECHNOLOGY LLC V. NINTENDO CO., LTD - Before Newman, Reyna, and Stoll. Appeal from the Western District of Washington. Summary: A finding of prosecution disclaimer must be supported by an unambiguous...more

Knobbe Martens

Federal Circuit Review - May 2018

Knobbe Martens on

Priority Claims Cannot Be Incorporated by Reference - In Vanda Pharmaceuticals Inc. v. West-Ward Pharmaceuticals International Limited, Appeal Nos. 2016-2707 and 2016-2708, the Federal Circuit held that when a patent for a...more

Schwabe, Williamson & Wyatt PC

Fresh From the Bench: Precedential Patent Cases From the Federal Circuit

Core Wireless v. LG affirms the denial of summary judgment as to unpatentable subject matter, ruling that the asserted claims are directed to an improved user interface for computing devices, not to the abstract idea of an...more

Wilson Sonsini Goodrich & Rosati

The PTAB Review - June 2017

Escaping PTAB Review Through Strategic Disclaimer in CBM Proceedings - A patent is only eligible for covered business method (CBM) review if it: (1) claims a method or apparatus for performing data processing or other...more

Knobbe Martens

Federal Circuit Review | April 2017

Knobbe Martens on

Patentee’s Unnecessarily Broad Prosecution Disclaimer Affirmed by Federal Circuit - In Technology Properties Limited LLC v. Huawei Technologies Co., Ltd., Appeal Nos. 2016-1306, -1307, -1309, -1310, -1311, the Federal...more

Nutter McClennen & Fish LLP

Federal Circuit Affirms High Standard to Find Patentee Disclaimer

In a decision likely to be lauded by patent applicants and owners, the Federal Circuit recently issued an opinion that affirms its staunch position that the bar to prove a patent owner made a disclaimer that impacts the claim...more

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