Andrea_liang

Seasoned IP Attorney & Litigator

Why Chinese Companies Are Taking Their Rival Firms to Court on Foreign Soil

Patent /

On June 12, 2025, a spokesperson from the Munich District Court in Germany confirmed that Datang Mobile had initiated three patent infringement lawsuits against Xiaomi in a German court. The patents involved—EP2237607 (method and apparatus for cell handover), EP3713313 (uplink power control method and mobile communication terminal), and EP2315369 (method and apparatus for adaptive modulation […]

Why Chinese Companies Are Taking Their Rival Firms to Court on Foreign Soil Read More »

The MUJI Trademark Wars: 24 Years of Legal Battles and Implications for Foreign Brands in China

Trademark /

Introduction: Navigating a Commercial Paradox in China Retail Landscape In the bustling shopping centers of Shanghai and Beijing, consumers witness a unique intellectual property scenario unfolding firsthand. Two separate companies operate stores under the identical MUJI brand—Japan Ryohin Keikaku Co., Ltd. (Authentic MUJI) and Beijing Cottonfield Textile Co., Ltd. (Chinese MUJI)—located just meters apart yet

The MUJI Trademark Wars: 24 Years of Legal Battles and Implications for Foreign Brands in China Read More »

The Rising Tide of TOPCon Patent Wars: How China’s Solar Giants Battling for Technological Supremacy

Patent /

Introduction: The New Frontier of Solar Innovation The global photovoltaic industry stands at a critical inflection point in late 2024. As nations accelerate renewable energy adoption, a technological arms race has erupted among China’s solar titans – Trina Solar, Canadian Solar, JinkoSolar, LONGi Energy, and JA Solar. At the heart of this conflict lies TOPCon

The Rising Tide of TOPCon Patent Wars: How China’s Solar Giants Battling for Technological Supremacy Read More »

Navigating China’s Court System: A Hierarchical Framework

Patent /

China’s judiciary operates through a meticulously structured four-level pyramid: 1. Foundation: Primary People’s CourtsSpread across every county and urban district, these 3,140 local courts handle the vast majority of first-instance civil cases. Think of them as regional workhorses – they resolve disputes involving smaller claim amounts, local contracts, and routine matters. Their judges are appointed

Navigating China’s Court System: A Hierarchical Framework Read More »

Court-Driven Unveiling of Makers in Trademark Infringement Battles

Trade Secret /

In trademark infringement cases involving the sale of counterfeit goods, rights holders commonly seek the cessation of production and sales, destruction of infringing inventory and equipment, as well as significant financial compensation. These demands effectively impose manufacturer-level responsibilities on the alleged infringers. Notably, many accused parties claim to act solely as sellers rather than producers,

Court-Driven Unveiling of Makers in Trademark Infringement Battles Read More »

CNIPA Examiner Article：Guidelines for Demonstrating Trademark Use

Trademark /

The article was excerpted from the original version published by the examiner in the Fifth Examination Division, Trademark Office, National Intellectual Property Administration. The correct use of trademarks is essential to the core interests of businesses. By following standardized trademark usage practices, companies can effectively reduce risks related to unfair competition, confidently navigate administrative trademark

CNIPA Examiner Article：Guidelines for Demonstrating Trademark Use Read More »

Springer Takes on Yingke Qianxin : A Pivotal Battle Redefining Copyright in Digital Age

Copyright /

In today digital landscape, where content sharing is widespread and complex, the recent legal dispute between Springer Nature Limited and Beijing Yingke Qianxin Technology Co., Ltd. marks a significant development in copyright law. This case, which progressed through China judicial system from initial trial to final appeal, not only resolved a conflict between a leading

Springer Takes on Yingke Qianxin : A Pivotal Battle Redefining Copyright in Digital Age Read More »

Groundbreaking Court Ruling: Setting the Standard for AI Platform Responsibility in Copyright Violations Through LoRA Models

Artificial Intelligence, Copyright /

Case Background The Hangzhou Internet Court recently adjudicated a pivotal copyright dispute concerning an AI platform enabling users to train and distribute LoRA models derived from protected Ultraman imagery. This ruling establishes critical boundaries for generative AI service providers’ legal responsibilities when facilitating user-generated content that implicates third-party intellectual property. Technical Functionality & Alleged Infringement

Groundbreaking Court Ruling: Setting the Standard for AI Platform Responsibility in Copyright Violations Through LoRA Models Read More »

Landmark Ruling in CPU Architecture Dispute: Beijing Court Clears LoongSon of MIPS Violation Charges

Copyright /

Following a four-year legal dispute, the Beijing IP Court ruled recently that Loongson Technology’s 3A5000 processor does not infringe upon MIPS Technologies’ chip architecture intellectual property rights. Background Information On June 2, 2021, Shanghai Cipunited Intelligent Technology Co., Ltd (“Cipunited”), affiliated with MIPS China, released a statement on its official website addressing claims circulating on

Landmark Ruling in CPU Architecture Dispute: Beijing Court Clears LoongSon of MIPS Violation Charges Read More »

Chinese Courts Applying Unfair Competition Laws to Protect AI Models

Artificial Intelligence, Copyright /

AI models comprise their structure and parameters. The structure includes the arrangement and quantity of components, while the parameters are specific values obtained through training and optimization. In March 2025, the Beijing Intellectual Property Court made a landmark ruling in the Douyin v. B612 case, marking the first time AI model structure parameters were protected

Chinese Courts Applying Unfair Competition Laws to Protect AI Models Read More »

Subscribe to Our Newsletter