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Japan IP court limits reach of US common-law rights in 'Classic Snow Socks' trademark fight

By Toko Sekiguchi ( September 24, 2025, 07:52 GMT | Insight) -- Japan’s IP High Court rejected ISSE Safety’s bid to cancel Japan California Custom’s “Classic Snow Socks” mark, finding US common-law use of “Classic” didn’t create a foreign trademark right under Japanese law.Japan’s Intellectual Property High Court rejected Spanish snow-chain maker ISSE Safety’s bid to cancel a trademark held by automotive parts distributor California Custom Japan for “CLASSIC SNOW SOCKS,” ruling that ISSE’s reliance on US use of “Classic” did not establish a protectable foreign trademark right under Japanese law....

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