Lenovo Withdraws Patent Lawsuit Against Asus

Lenovo's patent infringement lawsuit against Asus was a US civil legal action filed in 2023, in which PC manufacturer Lenovo accused rival Asus of violating four of its patents covering wireless communications, diagonal touchpad scrolling, and a hinge design enabling laptop-to-tablet conversion. The lawsuit sought financial compensation, including lost profits, for the alleged unauthorized use of Lenovo's patented technology. In September 2026, Lenovo requested that the US California court dismiss the case with prejudice, permanently closing the litigation. The original report was published by Lowyat.NET and sourced from Reuters.

Key Facts

The table below compiles all verified facts from the Lenovo versus Asus patent lawsuit, including the case filing year, court jurisdiction, the four patents spanning wireless communications, touchpad scrolling, and hinge design, the accused ZenBook Pro 14 OLED product, and the dismissal type requested by Lenovo.

Lenovo filed a federal patent lawsuit against Asus in 2023 citing four patents and, in September 2026, requested a US California court dismiss the case with prejudice.

What Was the Patent Lawsuit About?

The Lenovo versus Asus patent lawsuit, filed in 2023, centered on Lenovo's claims that Asus infringed on four of its patents covering wireless communications, diagonal touchpad scrolling, and a convertible laptop hinge design. Lenovo sought damages including lost profits from the alleged infringement. The lawsuit named the Asus ZenBook Pro 14 OLED as an infringing product, with its wireless wake-on-LAN capability cited as a prime violation.

Lenovo's filing described the patented wireless technology in detail, explaining how the receiver system operates without operator intervention:

"For example, prior to the ʼ066 Patent, there existed a need for techniques to supply main power to devices included in a wireless LAN without intervention of an operator. … The invention includes a wireless receiver that receives a wireless signal." — Lenovo's 2023 patent lawsuit against Asus, as reported by Reuters via Lowyat.NET

The lawsuit further explained that the receiver is connected to a main system whose power is not on, and after receiving a signal, the system determines whether a magic packet is contained. If present, a signal is sent to turn on the main power supply to the main system. The technology does not require a handshake with the wireless access point.

The Lenovo-Asus patent lawsuit targeted four patents across wireless communications, touchpad scrolling, and laptop hinge technologies, with damages sought including lost profits.

Which Patents Did Lenovo Claim Asus Infringed?

The lawsuit identified four Lenovo patents that Asus allegedly infringed. The patents spanned three technology categories: wireless communications, touchpad scrolling, and a hinge mechanism enabling laptop-to-tablet conversion. Specifically, the ʼ066 Patent covered a wireless receiver technology that can turn on a main system's power supply without operator intervention.

The wireless communications patent addressed a technical gap where no technique existed to supply main power to devices on a wireless LAN without operator intervention. The patented invention uses a wireless receiver connected to a powered-off main system; upon receiving a signal, it checks for a magic packet, and if found, signals the main power supply to turn on — all without requiring a handshake with the wireless access point.

The diagonal touchpad scrolling patent covered input navigation technology, while the hinge design patent protected Lenovo's mechanism for laptops that convert into tablets. The lawsuit asserted that the Asus ZenBook Pro 14 OLED, with its wireless wake-on-LAN feature, was one of the products that infringed on these patents.

The ʼ066 Patent covered a wireless receiver that can power on a main system when a magic packet is detected, without requiring a wireless access point handshake.

How Did the Patent Dispute Affect Asus's Laptop Designs?

Lenovo's patent claim related to a "Dual Shaft hinge with angle timing shaft mechanism," filed in 2014, directly affected Asus's laptop hardware design. The patent enforcement effectively forced Asus to abandon its "Ergolift" hinge design along with its many variations, contributing to the dramatic change in Asus laptop aesthetics beginning in 2024. The 2024 version of the Asus ROG Zephyrus G14 exemplifies this design transformation.

The Ergolift hinge was a distinctive Asus feature that lifted the keyboard deck for improved typing angle and airflow. The patent conflict forced Asus to rework this signature mechanism across its laptop lineup. The 2024 ROG Zephyrus G14 provides a clear example of this design shift, as its hinge system visibly differs from earlier Ergolift-equipped models.

Lenovo's 2014 "Dual Shaft hinge with angle timing shaft mechanism" patent forced Asus to abandon its Ergolift hinge design, driving the 2024 Asus laptop redesign.

Why Did Lenovo Drop the Lawsuit?

Lenovo did not provide any reason or explanation for rescinding its lawsuit against Asus. The company only requested that the US California court dismiss the case with prejudice, a legal procedural move that permanently closes the litigation and prevents the plaintiff from ever refiling the lawsuit. The withdrawal came after the case had progressed for several years.

Dismissing a lawsuit with prejudice means the plaintiff cannot refile the lawsuit at a later date. This is distinct from a dismissal without prejudice, which would allow the case to be brought again. The fact that Lenovo chose this permanent dismissal path, without explanation, suggests a definitive end to the legal dispute between the two PC manufacturers.

Lenovo requested a dismissal "with prejudice" of its patent lawsuit against Asus in September 2026, making it impossible for the case to be refiled.

Who Is This Legal Development Relevant To?

This legal development is directly relevant to patent law professionals, PC industry analysts, investors tracking legal disputes in consumer electronics, and technology journalists. The outcome also matters to consumers interested in laptop design decisions, as the lawsuit influenced Asus's hinge design direction. The case's impact on the 2024 Asus laptop redesign is a notable industrial design case study.

Patent law observers will note the unusual nature of a dismissal with prejudice without an explanation. PC industry analysts may interpret the withdrawal as a possible settlement or strategic realignment between Lenovo and Asus. The conclusion of this case closes a legal chapter that began in 2023 and shaped Asus's product design trajectory through 2024 and beyond.

The dismissal of the Lenovo-Asus patent lawsuit with prejudice is a definitive legal outcome relevant to patent law observers, PC industry analysts, and consumers tracking Asus laptop design history.

Common Questions

The following questions and answers cover the most frequently asked queries about the Lenovo-Asus patent dispute, drawn directly from verified source material, including the accused product citation, the legal meaning of dismissal with prejudice, and the Ergolift hinge design abandonment.

The Lenovo-Asus patent litigation concluded with a dismissal with prejudice, meaning the lawsuit cannot be refiled, and Lenovo disclosed no reason for the withdrawal.

Which Asus product was specifically accused of infringing Lenovo's patents?

The Asus ZenBook Pro 14 OLED was specifically cited in Lenovo's 2023 lawsuit as an infringing product. Its wireless wake-on-LAN feature was identified as one of the prime offenders violating Lenovo's patented technology.

What does dismissing a lawsuit "with prejudice" mean?

In US court procedure, dismissing a lawsuit with prejudice means the case is permanently closed and cannot be refiled by the plaintiff. Lenovo requested this type of dismissal against Asus without providing any public explanation for its decision.

Did Asus abandon any specific design due to the lawsuit?

Yes. Lenovo's patent on a "Dual Shaft hinge with angle timing shaft mechanism" effectively forced Asus to abandon its Ergolift hinge design and its variations. This directly contributed to the dramatic redesign of Asus laptops in 2024, as seen in the ROG Zephyrus G14.

Sources and Methodology

This article is based exclusively on the Lowyat.NET report on Lenovo dropping its patent lawsuit against Asus, which in turn cites Reuters as its primary source. All facts, dates, quotes, and patent references are drawn from the source material without external extrapolation. The original Lowyat.NET article is available at https://www.lowyat.net/2026/404696/lenovo-is-dropping-patent-lawsuit-against-asus-in-the-us/, and the Reuters source is dated September 17, 2026.

This article is based entirely on Reuters reporting published on September 17, 2026, as distributed by Lowyat.NET.

This article was last updated on September 17, 2026.