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IP Verse

Sumitomo Chemical competitive analysis

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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: Nov 13, 2025
Patent NumberPublication 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: Nov 13, 2025
Proceeding NumberFiling DatePetitionerRespondentStatus

Get alerts for PTAB Cases involving Sumitomo Chemical

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: Nov 13, 2025
CompanyOppositions FiledOppositions FacedPTAB Cases FiledPTAB Cases Faced
SUMITOMO CHEMICAL - 41 -
BOEHRINGER INGELHEIM VETMEDICA1829 - 4
POLYPORE - - - 1
STRAWMAN339 - - -