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Explore patent oppositions filed by Koehler Oberkirch 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
EP2993055Web-Shaped Heat-Sensitive Recording Material With A Protective LayerMITSUBISHI HITEC PAPER EUROPEJan 2, 2020
EP3221153Heat Sensitive Recording MaterialMITSUBISHI HITEC PAPER EUROPEMay 13, 2019
EP3109059Heat Sensitive Recording MaterialMITSUBISHI HITEC PAPER EUROPEMar 26, 2019
EP3243877A Tyre Comprising Hydrothermally Carbonized LigninNOKIAN RENKAAT OYJDec 14, 2018