Stay informed with the latest litigation news. Explore now

IP Verse

Sumitomo Chemical patent opposition analysis

Latest patents of Sumitomo Chemical New

Explore the latest patents granted to Sumitomo Chemical, showcasing their recent innovations and technological advancements.

Last updated on: Aug 31, 2025
Patent NumberGrant DateTitleLegal Status

Get instant update for new patents of Sumitomo Chemical

EP3656852
Sep 3, 2025Method For Maturation Of Retinal Tissue Containing Continuous EpitheliumGranted And Under Opposition
EP3733672
Mar 22, 2023Heterocyclic Compounds And Noxious Arthropod Control Agent Containing SameGranted And Under Opposition
EP2848602
Dec 23, 2020Method For Producing Glycols From Oxirane CompoundGranted And Under Opposition
EP3231817
Jun 5, 2019Method For Producing PolyolefinOpposition Rejected
EP3101716
Jul 4, 2018Positive Electrode Active Material For Lithium Secondary Batteries, Positive Electrode For Lithium Secondary Batteries, And Lithium Secondary BatteryOpposition Rejected
EP3045450
Feb 7, 2018Intermediate Compounds In A Process For Producing Pyridazinone CompoundsNo Opposition Filed Within Time Limit
EP2843723
Jan 31, 2018Method For Manufacturing Niobate-System Ferroelectric Thin Film DeviceNo Opposition Filed Within Time Limit
EP2234459
Jan 31, 2018Polymer Light-Emitting Device, Method For Manufacturing The Same And Polymer Light-Emitting Display DeviceNo Opposition Filed Within Time Limit
EP3059279
Jan 17, 2018Thermoplastic Elastomer CompositionNo Opposition Filed Within Time Limit
EP2739703
Jan 3, 2018Light Emitting Polymers And DevicesNo Opposition Filed Within Time Limit

Latest patents of Sumitomo Chemical opposed by its competitors

Explore Sumitomo Chemical'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: Sep 4, 2025
Patent NumberGrant DateTitleTotal Oppositions
EP3733672
Mar 22, 2023Heterocyclic Compounds And Noxious Arthropod Control Agent Containing Same1
EP2848602
Dec 23, 2020Method For Producing Glycols From Oxirane Compound1
EP3231817
Jun 5, 2019Method For Producing Polyolefin1
EP3101716
Jul 4, 2018Positive Electrode Active Material For Lithium Secondary Batteries, Positive Electrode For Lithium Secondary Batteries, And Lithium Secondary Battery1

Top competitors of Sumitomo Chemical

Top competitors of Sumitomo Chemical based on patent oppositions.