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How Adidas Won (and Almost Lost) Its Three Stripes: The Trademark Battle Every Brand Must Know

How Adidas acquired its iconic three-stripe design for two bottles of whisky and then spent decades in court defending it — and what that means for your business.
2026.03.30 パテント探偵社 編集部
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How Japan Lost Its Shine Muscat: Plant IP Protection and the Global Race to Own Agricultural Innovation

Japan's Shine Muscat grape was reproduced without authorization across Asia, costing Japanese farmers billions. A deep investigation into plant variety protection law, UPOV, and the global agricultural IP race.
2026.03.30 パテント探偵社 編集部
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Apple vs. Samsung: The Design Patent War That Changed What a Phone Is Worth

Apple vs. Samsung's 2011-2018 design patent war produced a $539M verdict, a Supreme Court ruling on damages, and permanently changed how the tech industry values aesthetics as IP. A deep investigation.
2026.03.30 パテント探偵社 編集部
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Why Christian Louboutin’s Red Sole Became a Trademark—And Why Some Countries Said No: A Deep Dive into Color Mark Doctrine

The Polish Bottle and the Neon Light: The Origin Story of an IconIn 1992, Christian Louboutin stood in his Paris atelier...
2026.03.23 パテント探偵社 編集部
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Louis Vuitton Monogram: How a Pattern Became the World’s Most Protected (and Most Counterfeited) Design

Louis Vuitton Monogram: How a Pattern Became the World's Most Protected (and Most Counterfeited) DesignIn 1896, a decisi...
2026.03.23 パテント探偵社 編集部
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Champagne and the Art of Legal Protection: How One Region Secured the World’s Most Valuable Geographical Indication

Champagne and the Art of Legal Protection: How One Region Secured the World's Most Valuable Geographical Indication Cham...
2026.03.23 パテント探偵社 編集部
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Why Copycat Bricks Cannot Dominate After LEGO Patent Expired

Introduction: What Happens After a Patent ExpiresThe fundamental patent protecting the LEGO brick interlocking system wa...
2026.03.23 パテント探偵社 編集部
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How Nintendo’s D-Pad Patent (US 4,687,200) Dominated the Game Industry for 20 Years: A Complete Claim Analysis

Every time you tap a D-pad — on a Nintendo Switch, a PlayStation controller, o​r a TV remote — you’re interacting with a...
2026.03.22 パテント探偵社 編集部
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Post-it Notes: How Weak Adhesive Built a Billion-Dollar Empire of Stickiness

Post-it Notes: How Weak Adhesive Built a Billion-Dollar Empire of StickinessThe most transformative adhesive technology ...
2026.03.20 パテント探偵社 編集部
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Dyson’s Cyclone Patent: How 5,127 Prototypes Built an Intellectual Property Empire

Dyson's Cyclone Patent: How 5,127 Prototypes Built an Intellectual Property EmpireIn the autumn of 1979, James Dyson, a ...
2026.03.20 パテント探偵社 編集部
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