Insights
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Parent Patent Invalidated, Divisional's Two Office Actions Both Denied Inventiveness — So How Was It Still Granted?
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Manufactured In-Term, Sold Post-Expiry: Still Commit Plant Variety Infringement
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Generic Drug Patent Certifications Can Now Be Corrected, but Both Sides Hold the Key
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Vietnam’s 2026 Trademark Reforms: Simplifying Procedures and Improving Examination Efficiency
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China's Trademark Law Implementing Rules: Several Signals from two Drafts
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China's First Judicial Rules on AI Disputes: Existing Law, Applied to New Facts
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Chang Tsi Successfully Defends Food Company in Trade Secret Dispute; Plaintiff Withdraws All Claims Before Trial
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One Month In: How the New China-Europe PPH Pilot Speeds Up Patent Protection in China
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China's IC Layout-Design Law, Fully Revised After 25 Years: What Actually Changed
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Interpretation of Indonesia’s 2026 New Trademark Registration Rules-I
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Beyond Registration——What China’s Scrutiny of “Scheming Trademarks” Reveals？
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AI now writes most of your code. Can that software still be protected — and still count toward your tax incentives?
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Biometric Data and Emergency Decision-Making: Two Ethical Boundaries for Autonomous Driving Patents in China
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Publication, Fair Use, Reprints: China's Copyright Interpretation Changes on September 1, 2026
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Chang Tsi & Partners Helps Global Brand Secure a Successful Criminal Enforcement Action in China
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Zero Amendments, Won on Argument Alone: Reversing an Inventive-Step Rejection at Reexamination
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Design Patents and Trade Dress: Comprehensive IP Protection Strategies for Industrial Product Appearance
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Patent Application Filing in Southeast Asia — Key Points of National Patent Systems
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From Taylor Swift’s Trademarks to China's Tiered Voice Asset Protection
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Latest Case on the Standard for Assessing “No Significant Difference” in Design Patents
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Amending China's E-Commerce Law: A Brand Owner's Reading of the Draft
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Chang Tsi Monthly Strategic Insights - July 2026: Legislative Acceleration, Stricter Regulation of Bad-Faith Litigation, Clearer AI Rules
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SPC LANDMARK CASE: Reselling a Lawfully Purchased Patented Product Under a New Trademark Is Not Patent Infringement
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Unlocking Plant Variety Protection (PVP) in China
