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US Supreme Court set to hear $1bn Cox copyright verdict in online piracy case November 28, 2025 | Nick Robertson

Cox Communications and Sony Music Entertainment will face off before the US Supreme Court on Monday over whether internet service providers can be held liable for contributory and vicarious copyright infringem... (more story)

This week at the UPC: Nov. 21-27 November 27, 2025 | Charlotte Westphal and Inbar Preiss

The UPC clarified its test for inventive step this week, as the Court of Appeal restored Amgen’s cholesterol-related patent and upheld Edwards’ heart valve patent. The court also issued rulings on preliminary ... (more story)

UK Intellectual Property Office reforms cause patent publishing delays November 27, 2025 | Douglas Clarke-Williams

The UK Intellectual Property Office, or IPO, may be forced to delay the publishing of some patents by up to three months as it implements new systems. The authority has been forced to apologize to an industry ... (more story)

Edwards wins UPC appeal, court confirms inventive step test November 27, 2025 | Inbar Preiss

Edwards won its UPC appeal as judges upheld its heart-valve patent, confirmed infringement by Meril and confirmed the court's inventive-step test, leaving only a narrow exception for extra-large valve sizes.

Employer owns worker's Excel tool, Japan court says, highlighting compensation gap November 27, 2025 | Toko Sekiguchi

A Japanese court has ruled that a self-initiated Excel-based accounting system developed by an employee belonged entirely to the employer, noting that Japan’s Copyright Act offers no statutory compensation for... (more story)

US Supreme Court declines to stay order reinstating copyright chief November 26, 2025 | Nick Robertson

US Register of Copyrights Shira Perlmutter will stay in her role amidst a legal battle to remove her, after the US Supreme Court on Wednesday deferred a motion to stay a preliminary injunction which prevented ... (more story)

USPTO rescinds AI inventorship analysis as office embraces streamlined guidance November 26, 2025 | Nick Robertson

The US Patent and Trademark Office will no longer apply the Pannu factors of inventorship to inventions conceived by a single person with the assistance of AI, according to new guidance announced Wednesday. Th... (more story)

Netlist complaint against Samsung at USITC draws interest from USPTO, DOJ November 26, 2025 | Melissa Ritti

Five months after interim US Patent and Trademark Office leadership and the US Department of Justice's Antitrust Division weighed in on a preliminary injunction request by Radian Memory Systems in Texas federa... (more story)

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SEP Regulation court clash will test EU Commission’s right to withdraw bills November 27, 2025 | Inbar Preiss

EU lawmakers disputing the European Commission’s withdrawal of a bill on standard essential patents face a steep legal test at the bloc's highest court as they challenge the limits of the executive branch’s po... (more story)

To bridge IP divide, WIPO board of judges plan agenda to aid developing jurisdictions November 27, 2025 | Freny Patel

Underscoring the World Intellectual Property Organization Advisory Board of Judges’ mission to bridge the gap between highly advanced IP jurisdictions and those that need support, the board is finalizing a two... (more story)

In Realtek, MediaTek patent, antitrust clash, evidentiary race unfolds in US November 25, 2025 | Khushita Vasant and Melissa Ritti

Realtek has notched a win in Texas, where a federal judge ordered discovery on whether 2021 infringement claims by a patent assertion entity rise to the level of “exceptional.” The evidence has major implicati... (more story)

Google, spurned once already, seeks mandamus anew over denied patent review November 24, 2025 | Melissa Ritti

Google is again asking for mandamus relief from a discretionary denial of inter partes review, this time pointing to a 2019 holding by the US Court of Appeals for the Federal Circuit that patents are “open” to... (more story)

Law professor calls for AI companies to partner with US, China copyright offices November 24, 2025 | Nick Robertson

Law professor Danny Friedmann of Peking University School of Transnational Law* tells MLex that the US and China copyright offices are risking a return to discredited legal standards when assessing generative ... (more story)

Wuxi DK-Gonda case rekindles debate as China moves to curb malicious IP lawsuits November 21, 2025 | MLex Staff

How to hold patent owners liable for “malicious” infringement lawsuits has become one of China’s most contentious judicial questions, as a solar-materials maker strikes back at its accuser over alleged abusive litigation.

Kristen Osenga on patent optimism and legislative inaction November 19, 2025 | Melissa Ritti

From the research awarded the 2025 Nobel Prize in economics to a patentee-friendly shift at the US Patent and Trademark Office, innovation is having a moment. Kristen Osenga tells MLex the attention is long ov... (more story)

Is the UK’s AI training and copyright regime suffering a conceptual crisis? November 18, 2025 | Frank Hersey

A recent ruling in a case by Getty Images against Stability AI has provided some clarification on how the UK copyright regime handles AI training, the models and their output. But it also highlighted problems ... (more story)