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Explore Mudanjiang Hengfeng Paper's recently opposed patents, revealing key competitive challenges and strategic patent disputes in the industry. Track oppositions filed by competitors to understand technology battlegrounds and assess potential risks.

Last updated on: Jun 26, 2025
Patent NumberGrant DateTitleTotal Oppositions
EP2679722Sep 6, 2017Fire-Retardant, Fire-Retardant Banded Cigarette Paper, And Manufacturing Method For Same2