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Arcelormittal patent opposition analysis

Latest oppositions filed by Arcelormittal

Explore patent oppositions filed by Arcelormittal against competitors, revealing strategic technology disputes and market positioning. Monitor opposition details, timelines, and disputed innovations to understand competitive dynamics and IP enforcement strategy.

Last updated on: Jun 26, 2025
Patent NumberTitleApplicantOpposition Date

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EP4237587Steel Production From Iron SmeltPRIMETALS AUSTRIAMay 13, 2025
EP3396007High-Strength Hot-Dip Zinc Plated Steel Material Having Excellent Plating Properties And Method For Preparing SamePOSCOMay 6, 2025
EP3860769Method For Treatment Of Galvanised Or Galvannealed SteelTATA STEEL IJMUIDENApr 29, 2025
EP3632585Steel Sheet For Hot Press Formed Member Having Excellent Resistance To Hydrogen Delayed Fracture, And Method For Manufacturing SamePOSCOJan 21, 2025
EP4185424Method For Producing Steel StripSMS GROUPJan 2, 2025
EP3504349Method For Producing A High-Strength Steel Strip With Improved Properties For Further Processing, And A Steel Strip Of This TypeSALZGITTER FLACHSTAHLDec 19, 2024
EP4124398Method For Determining Mechanical Properties Of A Product To Be Rolled Using A Hybrid ModelPRIMETALS AUSTRIADec 19, 2024
EP4043114Electric Resistance Welded Steel Pipe, And Method For Manufacturing SameJFE STEELDec 13, 2024
EP4146414Method For The Open-Loop Or Closed-Loop Control Of The Temperature Of A Steel Strip During Hot Working In A Hot Strip MillSMS GROUPDec 12, 2024
EP4144452Control Device For Rolling Device, Rolling Equipment, And Method For Operating Rolling DevicePRIMETALS JAPANDec 9, 2024

Latest patents of Arcelormittal opposed by its competitors

Explore Arcelormittal'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: Jun 26, 2025
Patent NumberGrant DateTitleTotal Oppositions
EP2841614Feb 26, 2025Method For Producing A Metal Sheet Having Zn-Al-Mg Coatings, Comprising The Application Mechanical Stress To The Coatings And An Adhesive, And Corresponding Metal Sheet And Assembly2
EP2841613Nov 20, 2024Methods For Producing A Pre-Lacquered Metal Sheet Having Zn-Al-Mg Coatings, And Corresponding Metal Sheet4
EP3856945Sep 4, 2024High Strength Hot Rolled Steel Having Excellent Scale Adhesivness And A Method Of Manufacturing The Same1
EP3209807Jul 24, 2024Method Of Production Of Tin Containing Non Grain-Oriented Silicon Steel Sheet, Steel Sheet Obtained And Use Thereof1
EP3741874Oct 11, 2023Method Of Production Of Tin Containing Non Grain-Oriented Silicon Steel Sheet1
EP3783116Apr 26, 2023Pre-Coated Sheets Allowing The Production Of Press-Hardened And Coated Steel Parts1
EP3164521Apr 19, 2023Method For Manufacturing A High Strength Steel Sheet And Sheet Obtained1
EP3164520Apr 12, 2023Method For Producing A High Strength Steel Sheet Having Improved Strength, Ductility And Formability1
EP3783118Apr 12, 2023Method For Manufacturing Press-Hardened Parts1
EP3587105Sep 21, 2022Coated Steel Strips, Methods Of Making The Same, Methods Of Using The Same, Stamping Blanks Prepared From The Same, Stamped Products Prepared From The Same, And Articles Of Manufacture Which Contain Such A Stamped Product1

Top competitors of Arcelormittal