Logitech class action lawsuit overview:
- Who: A Wisconsin consumer filed a class action lawsuit against Logitech Inc.
- Why: The plaintiff alleges the Logitech G Pro X Superlight Wireless Gaming Mouse has a design defect that allows debris to interfere with its scroll wheel.
- Where: The Logitech class action lawsuit was filed in California federal court.
A Wisconsin consumer has filed a class action lawsuit against Logitech, alleging the company sold a gaming mouse with a design defect that can cause its scroll wheel to malfunction.
According to plaintiff Hunter Montgomery, the Logitech G Pro X Superlight Wireless Gaming Mouse was marketed for gaming and esports use, including as a product “designed by gamers, for gamers.”
Montgomery alleges the mouse contains a defect in its scroll-wheel assembly that allows dust, hair, fibers and other foreign debris to enter the device. The class action lawsuit claims the resulting buildup can cause missed inputs, erratic scrolling and other failures that prevent the mouse from reliably performing its intended function.
Montgomery says he purchased the mouse from Best Buy’s website in November 2022 for approximately $76.99 after being influenced by Logitech’s marketing, professional esports endorsements and his previous experience with the company’s products.
The class action lawsuit alleges Montgomery began experiencing scroll-wheel problems in September 2023. He reportedly attempted to address the issue with compressed air but continued to experience malfunctions.
After contacting Logitech, he received a replacement mouse under warranty. He later disassembled the original mouse and allegedly found dust, hair and fibers wrapped around the scroll wheel.
According to the lawsuit, the replacement mouse developed the same problem around April 2025. By that point, Montgomery’s warranty had expired, allegedly leaving him with a nonfunctional mouse.
Montgomery claims Logitech’s replacement remedy was inadequate because replacement devices contained the same design defect.
Class action claims Logitech knew about mouse defect
Montgomery alleges Logitech knew or should have known about the defect through pre-release engineering and reliability testing, warranty claims, consumer complaints, product failure data and repeated failures involving replacement mice.
The class action lawsuit also points to consumer reviews and reports concerning the mouse. It alleges Logitech received complaints through customer service, product pages, warranty claims and authorized retailers.
Montgomery alleges Logitech failed to disclose the defect in its packaging, marketing materials, manuals or website while promoting the mouse as reliable, durable and suitable for gaming and esports. He claims consumers would not have purchased the mouse, or would have paid less for it, had they known about the alleged defect.
The lawsuit asserts claims under California’s Consumers Legal Remedies Act, Unfair Competition Law and False Advertising Law, as well as for breach of implied warranty, fraudulent concealment, negligence, unjust enrichment and violations of Wisconsin law. It also asserts a claim under the federal Magnuson-Moss Warranty Act.
Montgomery seeks class certification, compensatory, exemplary and statutory damages, restitution or disgorgement, attorneys’ fees and costs, and an order requiring Logitech to notify consumers about the alleged defect and permanently repair the mouse.
Earlier this year, computer giant Lenovo was hit with a class action lawsuit accusing it of violating federal law by sharing U.S. consumers’ data with China.
Do you own a Logitech G Pro X Superlight mouse? Let us know in the comments.
The plaintiff is represented by Robert Mackey of the Law Offices of Robert Mackey.
The Logitech class action lawsuit is Montgomery v. Logitech Inc., Case No. 5:26-cv-10718, in the U.S. District Court for the Northern District of California.
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