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Patent opposition analysis in metal layers industry

In the competitive field of metal layers, companies are constantly innovating to stay ahead. Discover the latest patent opposition trends, top opposing and opposed companies, and the most recent patents getting opposed. Stay informed on the latest developments in metal layers technology and learn how to protect your intellectual property.

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Top companies filing patent oppositions

Explore the top companies that have filed the most patent oppositions in the technology industry.

Last updated on: Sep 4, 2025
CompanyTotal Oppositions
ARCELORMITTAL13
GRANGES10
THYSSENKRUPP STEEL EUROPE9
C TEC CONSTELLIUM TECHNOLOGY CENTER CONSTELLIUM NEUF BRISACH8
TETRA LAVAL & FINANCE5
VOESTALPINE STAHL5
TATA STEEL IJMUIDEN4
HYDRO ALUMINIUM ROLLED PRODUCTS4
SALZGITTER FLACHSTAHL3
SPEIRA3

Top companies facing patent oppositions

Explore the top companies that have faced the most patent oppositions in the technology industry.

Last updated on: Sep 4, 2025
CompanyTotal Oppositions
ARCELORMITTAL19
UACJ12
THYSSENKRUPP STEEL EUROPE9
TATA STEEL IJMUIDEN6
CONSTELLIUM NEUF BRISACH6
ARCELORMITTAL FRANCE5
JFE STEEL5
SPEIRA5
ALCOA4
BRUGG ROHR HOLDING4

Top active law firms filing patent oppositions

Explore the top law firms that have filed the most patent oppositions in the technology industry.

Last updated on: Sep 4, 2025
CompanyTotal Oppositions Filed
COHAUSZ & FLORACK15
LAVOIX13
VALEA10
CONSTELLIUM PROPRIETE INDUSTRIELLE8
WEICKMANN & WEICKMANN PARTMBB6
BECK GREENER5
GROUP SERVICES5
MEISSNER BOLTE PARTNERSCHAFT MBB4
MOSER GOTZE & PARTNER PATENTANWALTE MBB3
KUTZENBERGER WOLFF & PARTNER3

Latest patents opposed in the metal layers industry

Patent challenges are becoming increasingly common in the metal layers industry as companies work to protect their innovations in a highly competitive market. These legal battles can significantly impact the development and release of new technologies. Below is a list of the latest patents that have been opposed in the metal layers industry, offering a snapshot of the ongoing struggles over intellectual property rights. For anyone involved in this industry, understanding these patent disputes is essential for navigating its future.

Last updated on: Sep 4, 2025
Patent NumberTitleApplicantOpposition DateOpposition Name

Get alerts on new patent oppositions in the metal layers industry

EP4214347
Sheet Metal Component And Method For Producing SameTHYSSENKRUPP STEEL EUROPEJul 29, 2025ARCELORMITTAL
EP3160736
Sheet-Like Composite With An M-Polyolefin Layer With A Reduced Antioxidant Proportion, In Particular For Food PackagingSIG TECHNOLOGYMay 7, 2025TETRA LAVAL & FINANCE
EP3397477
Sheet-Like Composite, Especially Packaging Laminate For Dimensionally Stable Foodstuff Containers, Having A Polymeric Internal Layer Characterized By Differential Scanning CalorimetrySIG COMBIBLOC SERVICESMay 7, 2025TETRA LAVAL & FINANCE
EP3797034
Brazed Heat ExchangerNOVELIS KOBLENZDec 16, 2024C TEC CONSTELLIUM TECHNOLOGY CENTER CONSTELLIUM NEUF BRISACH
EP3417089
Articles Including A Multi-Layer Coating And MethodsXTALICSep 12, 2024KORFER
EP4132743
High-Strength Solder-Plated Al-Mg-Si Aluminum MaterialSPEIRAAug 28, 2024GRANGES
EP4132743
High-Strength Solder-Plated Al-Mg-Si Aluminum MaterialSPEIRAAug 26, 2024C TEC CONSTELLIUM TECHNOLOGY CENTER CONSTELLIUM NEUF BRISACH
EP3889311
Hot Press-Formed Part, And Manufacturing Method ThereofPOSCOJul 31, 2024ARCELORMITTAL
EP4076944
Recyclable Paper Packaging With High Barrier To Water Vapor And OxygenCONSTANTIA PIRKJul 31, 2024AMCOR FLEXIBLES NORTH AMERICA
EP4076944
Recyclable Paper Packaging With High Barrier To Water Vapor And OxygenCONSTANTIA PIRKJul 29, 2024TETRA LAVAL & FINANCE

Top patents facing oppositions in metal layers industry

To stay ahead in the competitive metal layers industry, companies are constantly innovating. Here are the top patents facing oppositions in the metal layers industry. Stay informed on the latest opposition trends and learn how to protect your intellectual property.

Last updated on: Sep 4, 2025
Patent NumberGrant DateTitleApplicantTotal Oppositions
EP2086755
Nov 29, 2017Coated 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 ProductARCELORMITTAL5
EP3433093
Sep 4, 2019Thermally Insulated Medium Pipes Having Hfo-Containing Cell GasBRUGG ROHR HOLDING4
EP3113902
Jan 12, 2022Multiply-Clad Brazing Metal SheetCONSTELLIUM NEUF BRISACH4
EP2686165
Oct 10, 2018Multi-Layer Brazing SheetARCONIC4
EP2881478
Nov 15, 2017Aluminum Alloy Foil And Method For Producing SameUACJ4
EP3290199
Aug 21, 2019Coated 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 ProductARCELORMITTAL3
EP1506085
Dec 7, 2016Aluminum Conductor Composite Core Reinforced Cable And Method Of ManufactureCTC3
EP3175985
Nov 29, 2017Fibre Product For PackagingSMURFIT KAPPA HOYA PAPIER UND KARTON3
EP3306160
Nov 17, 2021Adhesive Transfer Hose Having A Barrier Layer And Method Of UseNORDSON3
EP3488025
Jan 27, 2021Method For Providing A Zn-Al-Mg Coating, And Such CoatingTATA STEEL IJMUIDEN3