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Author Archives: sarangip

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[Expert Column] Did You Update Your Logo? Your Trademark Might Be at Risk of Cancellation

InsightsBy sarangip11/27/2025

Did you update your logo? Your trademark could be cancelled in Korea. Learn the “Identity Test” for non-use cancellation trials and how to protect your brand.

[Expert Column] The “First Button” of Patent Litigation: Why Vague Definitions Lead to Instant Defeat in Korea

InsightsBy sarangip11/26/2025

Why are patent trials dismissed in Korea before they even begin? Learn the critical importance of defining the “Target Invention” in Scope Confirmation Trials.

[Expert Column] When is an Invention “Completed”? A Critical Issue in Employee Invention Disputes

InsightsBy sarangip11/26/2025

When is an invention considered “completed” in Korea? Learn the legal criteria for employee invention disputes and the “technical feature” test from a recent court ruling.

[Expert Column] What Constitutes “Trademark Use” in Korea? (It’s Not Just Slapping a Logo on It)

InsightsBy sarangip11/26/2025

Is printing a logo always trademark infringement? Not in Korea. Learn the legal definition of “Trademark Use” through the Bomb Rice and VSP court cases.

[Expert Column] How Much is a “Sausage Rice Cake” Design Violation Worth?

InsightsBy sarangip11/26/2025

Can you patent a sausage rice cake? Yes. A Korean court awarded 40M KRW in damages for food design infringement. Learn how damages are calculated in Korea.

[Expert Column] “Too Different to Infringe?” The Narrow Scope of Design Rights in Korea (and Why You Should Still Register)

InsightsBy sarangip11/26/2025Leave a comment

Is the scope of Korean design rights too narrow? A Supreme Court ruling says “Yes” for common items, but registering is still vital. Learn why.

[Expert Column] Posting Book Covers on a Rental Site: Is it Copyright or Trademark Infringement?

InsightsBy sarangip11/26/2025

Can a rental business post book covers online? Yes. A Korean court ruled this is “Fair Use” and not trademark infringement. Learn the legal boundaries for e-commerce.

[Expert Column] Can a “Poorly Written Description” Kill Your Patent?

InsightsBy sarangip11/26/2025Leave a comment

Can a typo kill your patent? Yes. The Korean Supreme Court invalidated a silicon patent due to unclear measurement methods. Learn why high-quality drafting is essential.

[Expert Column] “LEGO” is for Toys, Not Pharma: The Supreme Court Ruling on Trademark Dilution

InsightsBy sarangip11/26/2025

Can you use “LEGO” for medicine? The Korean Supreme Court says NO. Learn about the landmark ruling on trademark dilution (2020Hu11943) and what it means for brand protection.

[Expert Column] The Unprecedented Trademark Cancellation of “Gwangcheon Kim”: A First in Geographical Indication Collective Marks

InsightsBy sarangip11/26/2025

The “Gwangcheon Kim” Geographical Indication (GI) Collective Mark has been cancelled in an unprecedented Korean Patent Court ruling. Learn why and what it means for the market.

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