Japan heat-shielding patent win backfires as exaggerated claims trigger damages

By Toko Sekiguchi ( November 4, 2026, 08:38 GMT | Insight) -- A Japanese patent owner proved a competitor infringed its roof heat-shielding patent, but was ordered to pay damages to that same competitor after telling its franchisees that the infringement extended to other work and that all companies using a rival’s material could be at risk.A Japanese patent owner proved a competitor infringed its roof heat-shielding patent, but was ordered to pay damages to that same competitor after telling its franchisees that the infringement extended to other work and that all companies using the rival’s material could be at risk....

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