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Explore patent oppositions filed by Qingdao Mengyuan Import And Export against competitors, revealing strategic technology disputes and market positioning. Monitor opposition details, timelines, and disputed innovations to understand competitive dynamics and IP enforcement strategy.

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EP3515259Pillow Including Gelatinous Elastomer Cushion Having Deformable Wall Members And Related MethodsPURPLE INNOVATIONApr 15, 2025