PurpleVine IP Group, in collaboration with a prominent Korean law firm, has achieved a comprehensive victory in a landmark patent invalidation case for our client, a top Chinese conglomerate company.

On November 26, 2024, Access Advance LLC ("AA") and TCL Electronics Holdings Limited ("TCL" or "Client") announced that TCL had officially joined the HEVC Advance Patent Pool as a licensee.

Germany-based market leader in engineered joining technology NORMA Group has won a significant legal battle in China, securing a favorable second-instance ruling...

In patent invalidation proceedings, further limitation amendments often involve integrating technical features from other claims without altering the original wording.

In Part I, we summarized some key lessons learned from Tafel's unsuccessful attempt to invalidate Contemporary Amperex Technology Co. Limited (CATL) 's utility model patent...

In the 2023 Summary of Intellectual Property Court Judgments by the Supreme People's Court, a range of cases were carefully chosen to shed light on the assessment...

In a legal dispute, Contemporary Amperex Technology Co. Limited (CATL) faced a challenge to its intellectual property rights from CALB.

In China, patent disputes are handled through a dual-track system: administrative relief and judicial relief. Patent holders can negotiate settlements, file lawsuits, or seek assistance from IP administrative offices...

The Supreme People's Court of China has issued a landmark ruling in a high-stakes patent dispute involving foundational back-contact solar cell technology, overturning two consecutive adverse decisions...

On August 16th, Avanci, a well-known platform for patent licensing, made a significant announcement on its official website – the launch of its 5G connected vehicle licensing project.

PurpleVine IP Group's comprehensive analysis of over 16,000 global solid-state battery patents reveals a complex competitive landscape where Chinese companies face significant intellectual property barriers...

In April 2020, Contemporary Amperex Technology Co. Limited (CATL) initiated legal proceedings against Tafel, hinging on a utility model patent denoted as CN201521112402.7.

On March 6, 2025, the UK Court of Appeal rejected Tesla's appeal requesting that the UK court rule on the global FRAND licensing rate for Avanci's 5G SEP patent pool. This decision sharply contrasts.

In Chinese patent law, "usage environment features" is a key concept that plays distinct roles in patent infringement and validity cases.

Chinese universities have experienced a significant increase in patent activity over the past decade.

In the field of biochemistry, particularly in medicine, the verification of technical effects often hinges on experimental data.

Although China is generally not the first choice for NPE to initiate litigation, when facing global litigation strategies against a particular company, the Chinese market is often considered as one of the battlegrounds for countermeasures.

In recent patent invalidation decisions issued by the China National Intellectual Property Administration (CNIPA), several key insights and considerations have emerged,

Parallel filing of patent civil lawsuit and administrative adjudication petition by a patent holder is generally impractical and conflicts with current regulations.

Patent disputes involving kitchen appliances are becoming an increasingly visible front in global competition among major home appliance manufacturers.