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American Axle & Manufacturing, Inc. v. Neapco Holdings LLC et al
Case Number:
1:15-cv-01168
Court:
Nature of Suit:
Judge:
Firms
Companies
Sectors & Industries:
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September 17, 2025
Del. Judge Boosts American Axle's $4M IP Win By $1.2M
A Delaware federal judge ordered Neapco Holdings LLC to pay American Axle & Manufacturing Inc. nearly $1.2 million in prejudgment interest on top of a $4 million jury verdict handed down in January 2024 in a long-running patent fight, according to court papers filed Wednesday.
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January 30, 2024
American Axle Wins $4M Patent Verdict After Eligibility Battle
American Axle has been awarded $4 million at a trial in Delaware where jurors found that its vehicle driveshaft patent was infringed by Neapco, a win for the company after a controversial ruling invalidated some parts of the patent for claiming only a natural law.
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July 31, 2023
American Axle Driveshaft Patent Survives Alice On Remand
A Delaware federal judge has rejected Neapco's bid to invalidate an American Axle vehicle driveshaft patent for claiming only an abstract idea, setting the stage for a trial in the lengthy case that has already spurred a high-profile U.S. Supreme Court appeal.
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January 05, 2023
Neapco Urges Court To Toss American Axle Driveshaft Patent
Auto parts manufacturer Neapco Holdings LLC told a federal judge in Delaware on Thursday that the driveshaft liners it developed don't infringe an American Axle & Manufacturing Inc. patent, and argued that the patent is invalid because it describes a "desired result" rather than a specific method for achieving it.