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Shin Etsu Chemical competitive analysis

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Latest oppositions filed by Shin Etsu Chemical

Explore patent oppositions filed by Shin Etsu Chemical against competitors, revealing strategic technology disputes and market positioning.

Last updated on: Nov 13, 2025
Patent NumberTitleApplicantOpposition Date

Get instant updates on new opposition filings by the company

EP2961775
Pharmaceutical Compositions With Enhanced Performance And Improved ProcessabilityHERCULESJan 8, 2021
EP2964203
Novel Esterified Cellulose Ethers Of Very High Molecular WeightDOWJan 3, 2020
EP3270970
Gelling Esterified Cellulose EthersDOWOct 9, 2019
EP3270971
Water-Soluble Esterified Cellulose Ethers Having A Low Degree Of NeutralizationDOWOct 9, 2019
EP3271404
Water-Soluble Esterified Cellulose EthersDOWOct 9, 2019
EP3270973
Aqueous Solution Of An Esterified Cellulose EtherDOWOct 8, 2019
EP2888290
Novel Esterified Cellulose Ethers Of High Molecular Weight And HomogeneityDOWSep 26, 2019
EP2831121
A Process Of Preparing An Ester Of A Cellulose EtherDOWJul 9, 2019
EP3049061
Composition Comprising An Organic Liquid Diluent And A Specific Hydroxyalkyl MethylcelluloseDOWMar 19, 2019
EP3077098
Process For Preparing A Mixture Of A Cellulose Derivative And A Liquid DiluentDOWDec 7, 2018

Latest patents of Shin Etsu Chemical opposed by its competitors

Explore Shin Etsu 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
EP2508237
Sep 17, 2025Oil Compound And Defoamer Composition1
EP4293048
Nov 20, 2024Liquid Composition Comprising Hydroxypropyl Methyl Cellulose And Organic Solvent1
EP4293049
Nov 20, 2024Liquid Composition1
EP3533838
Feb 21, 2024Heat-Resistant Millable Silicone Rubber Composition1
EP3967730
Dec 6, 2023Room-Temperature-Vulcanizing Organopolysiloxane Composition, Silicone Rubber, And Article1
EP3023110
Sep 27, 2023Solution For Spray Drying Comprising Hypromellose Acetate Succinate And Method For Producing Solid Dispersion1
EP2426091
Sep 6, 2023Titania-Doped Quartz Glass And Making Method1
EP3216807
May 18, 2022Coating Composition Containing Methyl Cellulose, Method For Producing The Same, And Solid Preparation1
EP3308774
Mar 9, 2022Hydroxyalkyl Alkyl Cellulose, Method For Producing The Same, And Solid Preparation1
EP3309179
Feb 23, 2022Hydroxyalkyl Alkyl Cellulose, Method For Producing The Same, And Solid Preparation1

Latest PTAB cases involving Shin Etsu Chemical

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

Peer Comparison New

IP litigation analysis comparing Shin Etsu 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
SHIN ETSU CHEMICAL1224 - -
DOW - 120 - -
DUPONT NUTRITION BIOSCIENCES APS2815 - -
THE DOW CHEMICAL110 - 1 -