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Explore Jx Nippon Oil & Energy'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: Jul 17, 2025
Patent NumberGrant DateTitleTotal Oppositions
EP2762551Jul 29, 2020System-Oil Composition For Crosshead Diesel Engine1
EP2832833Jul 10, 2019Working Fluid Composition For Refrigerator1