Insights

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
CHANG TSI
Insights

March06

2025

WI-CARE PURE：Successfully Overcome the Refusal
CHANG TSI
Insights

March05

2025

The Decision Between Identification and Inspection in Technology-driven Intellectual Property Cases
CHANG TSI
Insights

March04

2025

Bridging the Gap: Educating Customs Officers During Brand Transitions to Combat Counterfeiting in Taiwan
CHANG TSI
Insights

February28

2025

Domestic Priority Claim for Design Patents in China
CHANG TSI
Insights

February26

2025

Safeguarding Unregistered Well-Known Trademarks in Taiwan
CHANG TSI
Insights

February24

2025

2024 Trademark Data Review: Industry Trends and Chang Tsi's Performance
CHANG TSI
Insights

February19

2025

Problems and Suggestions on the Writing of the Effects of Patent Technology
CHANG TSI
Insights

February18

2025

Chang Tsi IP Commercial & Corporate Team Successfully Defends an Outstanding Food and Beverage Company Against "Shadow Company" in Hong Kong
CHANG TSI
Insights

February14

2025

Double-patenting Issue and Abnormal Patent-filing Behaviors about Filing Two or More Divisional Applications
CHANG TSI
Insights

February13

2025

Invalidation action against the trademark “MK Logo”
CHANG TSI
Insights

February11

2025

Accelerated Examination Routes for Chinese Invention Patent Applications
CHANG TSI
Insights

February10

2025

Chang Tsi Wins ORTHOLITE Trademark Infringement Case with One-Time Punitive Damages Awarded
CHANG TSI
Insights

February08

2025

Overseas Layout Routes for Design Patents
CHANG TSI
Insights

February07

2025

Official Launch of the "Belt and Road" IP Cooperation (BRIPC) Pilot Program for Accelerated Patent Examination
CHANG TSI
Insights

January26

2025

First Win of the Year of the Snake! Macau Team Sets a New Benchmark! Well-known trademark recognition Again!
CHANG TSI
Insights

January23

2025

Chang Tsi Successfully Represented Tyco under Johnson Controls in Winning a Landmark Trademark Infringement and Unfair Competition Lawsuit
CHANG TSI
Insights

January23

2025

Publication of the "Measures on Personal Information Protection Certification for Cross-Border Transfer of Personal Information (Draft for Comments)”
CHANG TSI
Insights

January20

2025

Successfully preventing registration of similar infringing trademark: A Case Study on an Opposition based on Prior Copyright
CHANG TSI
Insights

January17

2025

Some Thoughts on the Modification of Patent Documents in the Patent Invalidation Procedure
CHANG TSI
Insights

January15

2025

Tips for Macau Patent Applications—Power of Attorney and Official Fees
CHANG TSI
Insights

January14

2025

Practical Insights: In-Depth Analysis and Future Prospects in the Trademark Prosecution
CHANG TSI
Insights

January13

2025

Implications and Interpretation of the Revised Draft to the Anti-Unfair Competition Law for Corporate Compliance Efforts
CHANG TSI
Insights

January10

2025

Name Rights Vs. Trademark Rights- Protection of the Name Rights of Deceased Celebrities
CHANG TSI
Insights

January09

2025

Latest Developments in the Examination of Patent Applications Related to Artificial Intelligence in China
CHANG TSI
Insights

January08

2025

Typical trademark invalidation cases that break the five-year limit
CHANG TSI
Insights

January07

2025

Comparison of Partial Design Patent Systems in China, the United States, Japan, South Korea, and the European Union
CHANG TSI
Insights

January06

2025

Chang Tsi represented TJX Companies, Inc. and Fourth Realty Corp won Trademark Invalidation Dispute
CHANG TSI
Insights

January03

2025

2024 Annual Review of Customs IP Training
CHANG TSI
Insights

January02

2025

Exciting Updates in Taiwan's Design Patent System
CHANG TSI
Insights

December20

2024

Infringement of prior copyright, the objection trademark shall not be approved.
CHANG TSI
Insights

December19

2024

Successfully Combating Trademark Squatting: A Case Study on an Opposition based on Prior Copyright
CHANG TSI
Insights

December18

2024

A ￥3.15 Million Ticket for Trademark Infringement
CHANG TSI
Insights

December17

2024

New Case and Update for Examination on Supplementary Experimental Data
CHANG TSI
Insights

December13

2024

The Fastest Procedure to Stop Infringement, Administrative Complaints on Patent Infringement
CHANG TSI
Insights

December13

2024

Hong Kong Team: Unprecedented Swift Reversal of Objection on Absolute Grounds
CHANG TSI
Insights

December11

2024

USPTO Announces 2025 Patent Fee Adjustments
CHANG TSI
Insights

December06

2024

Invalidation against identical or similar trademarks
CHANG TSI
Insights

December05

2024

National application or International application?
CHANG TSI
Insights

November29

2024

A Big Strike Against Counterfeits 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

WI-CARE PURE：Successfully Overcome the Refusal

The Decision Between Identification and Inspection in Technology-driven Intellectual Property Cases

Bridging the Gap: Educating Customs Officers During Brand Transitions to Combat Counterfeiting in Taiwan

Domestic Priority Claim for Design Patents in China

Safeguarding Unregistered Well-Known Trademarks in Taiwan

2024 Trademark Data Review: Industry Trends and Chang Tsi's Performance

Problems and Suggestions on the Writing of the Effects of Patent Technology

Chang Tsi IP Commercial & Corporate Team Successfully Defends an Outstanding Food and Beverage Company Against "Shadow Company" in Hong Kong

Double-patenting Issue and Abnormal Patent-filing Behaviors about Filing Two or More Divisional Applications

Invalidation action against the trademark “MK Logo”

Accelerated Examination Routes for Chinese Invention Patent Applications

Chang Tsi Wins ORTHOLITE Trademark Infringement Case with One-Time Punitive Damages Awarded

Overseas Layout Routes for Design Patents

Official Launch of the "Belt and Road" IP Cooperation (BRIPC) Pilot Program for Accelerated Patent Examination

First Win of the Year of the Snake! Macau Team Sets a New Benchmark! Well-known trademark recognition Again!

Chang Tsi Successfully Represented Tyco under Johnson Controls in Winning a Landmark Trademark Infringement and Unfair Competition Lawsuit

Publication of the "Measures on Personal Information Protection Certification for Cross-Border Transfer of Personal Information (Draft for Comments)”

Successfully preventing registration of similar infringing trademark: A Case Study on an Opposition based on Prior Copyright

Some Thoughts on the Modification of Patent Documents in the Patent Invalidation Procedure

Tips for Macau Patent Applications—Power of Attorney and Official Fees

Practical Insights: In-Depth Analysis and Future Prospects in the Trademark Prosecution

Implications and Interpretation of the Revised Draft to the Anti-Unfair Competition Law for Corporate Compliance Efforts

Name Rights Vs. Trademark Rights- Protection of the Name Rights of Deceased Celebrities

Latest Developments in the Examination of Patent Applications Related to Artificial Intelligence in China

Typical trademark invalidation cases that break the five-year limit

Comparison of Partial Design Patent Systems in China, the United States, Japan, South Korea, and the European Union

Chang Tsi represented TJX Companies, Inc. and Fourth Realty Corp won Trademark Invalidation Dispute

2024 Annual Review of Customs IP Training

Exciting Updates in Taiwan's Design Patent System

Infringement of prior copyright, the objection trademark shall not be approved.

Successfully Combating Trademark Squatting: A Case Study on an Opposition based on Prior Copyright

A ￥3.15 Million Ticket for Trademark Infringement

New Case and Update for Examination on Supplementary Experimental Data

The Fastest Procedure to Stop Infringement, Administrative Complaints on Patent Infringement

Hong Kong Team: Unprecedented Swift Reversal of Objection on Absolute Grounds

USPTO Announces 2025 Patent Fee Adjustments

Invalidation against identical or similar trademarks

National application or International application?

A Big Strike Against Counterfeits in China