Insights

CHANG TSI
Insights

April30

2025

Changes of Examination Practice about Reexamination Stage
CHANG TSI
Insights

April28

2025

Chang Tsi & Partners Assists High Performance Industries, Inc. (U.S.) in Successfully Combating Intellectual Property Infringement on Cross-Border E-commerce Platform
CHANG TSI
Insights

April27

2025

Chang Tsi's Trademark Opposition Case Selected as One of the CNIPA's Top Ten Typical Cases of the Year.
CHANG TSI
Insights

April25

2025

A Milestone in Criminal Protection of Intellectual Property: China Releases Latest Judicial Interpretation Ahead of Intellectual Property Day
CHANG TSI
Insights

April25

2025

Case Study: Ruiguang v. B (confidential) Unfair Competition Civil Lawsuit
CHANG TSI
Insights

April25

2025

Overcome the Five-Year Limitation on Trademark Invalidation via Asserting Well-Known Trademark Recognition in Litigation
CHANG TSI
Insights

April25

2025

The Upgraded Path of Intellectual Property Protection for Foreign Enterprises in China
CHANG TSI
Insights

April17

2025

Beyond Mainland China: Navigating Hong Kong’s Unique Patent System
CHANG TSI
Insights

April16

2025

The legal path and practical strategies for converting intellectual property customs detention cases into criminal cases.
CHANG TSI
Insights

April16

2025

Legal Analysis and Strategic Responses to the Upcoming Suspension of the Design Patent Expedited Examination Program ("Rocket Docket")
CHANG TSI
Insights

April15

2025

Why purely Chinese trademarks cannot be registered in Vietnam
CHANG TSI
Insights

April09

2025

Gängige Arten von KI-Patentanmeldungen und entsprechende rechtliche Fragen und Prüfanforderungen
CHANG TSI
Insights

April09

2025

Common Types of AI Patent Applications and Corresponding Legal Issues and Examination Requirements
CHANG TSI
Insights

April07

2025

Practical Guidance on Hearing in Trademark Administrative Penalty Cases - Introducing from Procedural Norms, Time Requirements to Strategic Points
CHANG TSI
Insights

April03

2025

Comparison and Selection of Domain Name Dispute Arbitration Institutions in China
CHANG TSI
Insights

April01

2025

A Visual Guide to the Restoration of Priority Rights, Addition, or Correction of Priority Claims in Chinese Patent Applications
CHANG TSI
Insights

March28

2025

ChangTsi IP Commercial & Corporate Team Successfully Defends Patent Rights for a Prestigious International Fashion Brand in a Cross-Border Patent Dispute
CHANG TSI
Insights

March26

2025

What’s the Matter with the “千禾0”("Qianhe 0 in Chinese") Trademark?
CHANG TSI
Insights

March24

2025

Considerations for Submitting a PCT Application which claims Domestic Priority with CNIPA as the Receiving Office
CHANG TSI
Insights

March20

2025

Recent Changes in China’s Trademark Cancellation Practice
CHANG TSI
Insights

March17

2025

Excess Claims Fee and Strategy for Avoiding Excess Claims Fee
CHANG TSI
Insights

March14

2025

Key Considerations in Technology Cooperation and Material Transfer Agreements between Foreign Companies and Chinese Universities
CHANG TSI
Insights

March13

2025

The latest developments and insights on the application of the principle of good faith in the patent invalidation proceeding of China
CHANG TSI
Insights

March11

2025

Regarding how to avoid pitfalls in the application for business method patents and unlock innovative value

Changes of Examination Practice about Reexamination Stage

Chang Tsi & Partners Assists High Performance Industries, Inc. (U.S.) in Successfully Combating Intellectual Property Infringement on Cross-Border E-commerce Platform

Chang Tsi's Trademark Opposition Case Selected as One of the CNIPA's Top Ten Typical Cases of the Year.

A Milestone in Criminal Protection of Intellectual Property: China Releases Latest Judicial Interpretation Ahead of Intellectual Property Day

Case Study: Ruiguang v. B (confidential) Unfair Competition Civil Lawsuit

Overcome the Five-Year Limitation on Trademark Invalidation via Asserting Well-Known Trademark Recognition in Litigation

The Upgraded Path of Intellectual Property Protection for Foreign Enterprises in China

Beyond Mainland China: Navigating Hong Kong’s Unique Patent System

The legal path and practical strategies for converting intellectual property customs detention cases into criminal cases.

Legal Analysis and Strategic Responses to the Upcoming Suspension of the Design Patent Expedited Examination Program ("Rocket Docket")

Why purely Chinese trademarks cannot be registered in Vietnam

Gängige Arten von KI-Patentanmeldungen und entsprechende rechtliche Fragen und Prüfanforderungen

Common Types of AI Patent Applications and Corresponding Legal Issues and Examination Requirements

Practical Guidance on Hearing in Trademark Administrative Penalty Cases - Introducing from Procedural Norms, Time Requirements to Strategic Points

Comparison and Selection of Domain Name Dispute Arbitration Institutions in China

A Visual Guide to the Restoration of Priority Rights, Addition, or Correction of Priority Claims in Chinese Patent Applications

ChangTsi IP Commercial & Corporate Team Successfully Defends Patent Rights for a Prestigious International Fashion Brand in a Cross-Border Patent Dispute

What’s the Matter with the “千禾0”("Qianhe 0 in Chinese") Trademark?

Considerations for Submitting a PCT Application which claims Domestic Priority with CNIPA as the Receiving Office

Recent Changes in China’s Trademark Cancellation Practice

Excess Claims Fee and Strategy for Avoiding Excess Claims Fee

Key Considerations in Technology Cooperation and Material Transfer Agreements between Foreign Companies and Chinese Universities

The latest developments and insights on the application of the principle of good faith in the patent invalidation proceeding of China

Regarding how to avoid pitfalls in the application for business method patents and unlock innovative value