IP Verse

Sumitomo Chemical competitive analysis

Latest publications and patents of Sumitomo Chemical New

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

Last updated on: Sep 22, 2025
Publication NumberPublication DateTitleLegal Status

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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 25, 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

Latest PTAB cases involving Sumitomo Chemical

Discover the latest PTAB cases involving Sumitomo Chemical, highlighting their recent legal challenges and patent disputes.

Last updated on: Sep 28, 2025
Proceeding NumberFiling DatePetitionerRespondentStatus

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IPR2013-00637Sep 30, 2013SUMITOMO CHEMICALPOLYPOREInstitution Denied

Peer Comparison New

IP litigation analysis comparing Sumitomo Chemical with top 3 competitors. Includes complete PTAB case data and opposition data from 2018 onwards.

Last updated on: Sep 25, 2025
CompanyOppositions FiledOppositions FacedPTAB Cases FiledPTAB Cases FacedStrategy Type
SUMITOMO CHEMICAL - 41 - Defensive
BOEHRINGER INGELHEIM VETMEDICA1829 - 4Balanced
POLYPORE - - - 1Non-Active
STRAWMAN329 - - - Highly Aggressive