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Latest oppositions filed by Chen

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

Patent NumberTitleApplicantOpposition Date
EP3636522Tube For A BicyclePURETEK MANUFACTURINGApr 14, 2022
EP3288487System And Method For Training Dentists In Endodontal Treatment TechniquesDENTSPLY SIRONAApr 20, 2021
EP3156105Trampoline Support StructureCROWNTEC JIANG XI SPORTS TECHNOLOGYJul 31, 2018

Latest patents of Chen opposed by its competitors

Explore Chen'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.

Patent NumberGrant DateTitleTotal Oppositions
EP3386475Aug 31, 2022Composition For Cleansing Keratin Materials With Improved Rinsing Properties1
EP3261651May 4, 2022Chimeric Antigen Receptors (Cars) Targeting Hematologic Malignancies, Compositions And Methods Of Use Thereof3