• CHANG TSI
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  April25

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

  
• CHANG TSI
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  April25

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

  
• CHANG TSI
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  April25

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

  
• CHANG TSI
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  April17

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

  
• CHANG TSI
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  April16

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

  
• CHANG TSI
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  April16

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

  
• CHANG TSI
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  April15

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  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
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  April09

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

  
• CHANG TSI
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  April07

  2025

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

  
• CHANG TSI
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  April03

  2025

  Comparison and Selection of Domain Name Dispute Arbitration Institutions in China

  
• CHANG TSI
  Insights

  April01

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

  
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