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IP Verse

Schaefer Kalk competitive analysis

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Latest oppositions filed by Schaefer Kalk

Explore patent oppositions filed by Schaefer Kalk against competitors, revealing strategic technology disputes and market positioning.

Last updated on: Nov 20, 2025
Patent NumberTitleApplicantOpposition Date

Get instant updates on new opposition filings by the company

EP3545022
Surface-Treated Fillers For Biaxially Oriented Polyester FilmsOMYAMay 16, 2023
EP3167122
Calcium/Magnesium Compound Slurry For Bituminous Road MaterialEUROVIAMay 2, 2023
EP3383939
Surface-Treated Fillers For Ultrathin Breathable FilmsOMYAOct 12, 2022
EP3289595
Compositions Including Blends Of Hydrophobic And Non-Hydrophobic Inorganic Particulate Material For Use In Covering ProductsIMERYS USAJul 28, 2022
EP3127868
Calcium-Carbonate-Microparticle/Fiber Composite And Manufacturing Method ThereforNIPPON PAPER INDUSTRIESMar 16, 2022
EP3411440
Inorganic Particulate Material Suitable For Use In Polymeric FilmsIMERTECHSep 30, 2021
EP3166397
Delayed Reactivity Quicklime, Process For Manufacturing Same And Use ThereofLHOIST RECHERCHE ET DVELOPPEMENTJul 7, 2021
EP3240404
Substrates Having A Functional CapabilityIMERTECHOct 30, 2020
EP2268863
A Pigment Particle Composition, Its Method Of Manufacture And Its UseFP PIGMENTSSep 18, 2020
EP2537806
Surface-Treated Calcium Carbonate And Paste-Like Resin Composition Containing SameSHIRAISHI KOGYO KAISHASep 2, 2020

Latest patents of Schaefer Kalk opposed by its competitors

Explore Schaefer Kalk'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 20, 2025
Patent NumberPublication DateTitleTotal Oppositions
EP2598579
Sep 11, 2024Spherical Amorphous Calcium Carbonate Particles1
EP3509733
Jul 22, 2020Calcium-Salt-Containing Composite Powder Having Microstructured Particles1
EP2686026
Mar 13, 2019Microstructured Composite Particles1

Latest PTAB cases involving Schaefer Kalk

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

Peer Comparison New

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

Last updated on: Nov 20, 2025
CompanyOppositions FiledOppositions FacedPTAB Cases FiledPTAB Cases Faced
SCHAEFER KALK223 - -
IMERTECH543 - -
LHOIST RECHERCHE ET DVELOPPEMENT - 24 - -
OMYA7914 - -