Patent Oppositions in aluminium alloys industry

Explore the competitive field of aluminium alloys where companies are constantly innovating to stay ahead. Discover the latest patent opposition trends, top companies filing and facing patent oppositions, and the most recent patents under dispute. Stay informed on patent activity in aluminium alloys technology and learn how to protect your intellectual property.

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

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

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

Patent challenges are becoming increasingly common in the aluminium alloys 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 aluminium alloys 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: Oct 8, 2026
Patent NumberTitleApplicantOpposition DateOpposition Name
Improved 3Xx Aluminum Casting Alloys, And Methods For Making The SameALCOA USASep 30, 2026NORSK HYDRO
Plate Made Of A Rolled Aluminium Alloy And A Method For Producing Said PlateAMAG ROLLINGAug 11, 2026C TEC CONSTELLIUM TECHNOLOGY CENTERCONSTELLIUM ISSOIRE
Method Of Manufacturing 2Xxx-Series Aluminum Alloy ProductsNOVELIS KOBLENZJul 20, 2026C TEC CONSTELLIUM TECHNOLOGY CENTERCONSTELLIUM ISSOIRE
Steel Sheet For Hot Press And Manufacturing Method ThereofHYUNDAI STEELApr 20, 2026STRAWMAN
Methods Of Making Highly-Formable Aluminum Alloys And Aluminum Alloy Products ThereofNOVELISMar 25, 2026ARCONIC
Methods Of Making Highly-Formable Aluminum Alloys And Aluminum Alloy Products ThereofNOVELISMar 24, 2026SPEIRA
Methods Of Making Highly-Formable Aluminum Alloys And Aluminum Alloy Products ThereofNOVELISMar 20, 2026C TEC CONSTELLIUM TECHNOLOGY CENTER CONSTELLIUM NEUF BRISACH
2Xxx Aluminum Lithium AlloysARCONICDec 19, 2025C TEC CONSTELLIUM TECHNOLOGY CENTERCONSTELLIUM ISSOIRE
Reinforcing Strip For A Moulded Body Made Of An Injectable Moulding Compound, And Moulded Body Having Such A Reinforcement StripSTG STANZTECHNIKDec 18, 2025BFC FAHRZEUGTEILE
Aluminum Alloy Products Exhibiting Improved Bond Durability And/Or Having Phosphorus-Containing Surfaces And Methods Of Making The SameNOVELISNov 19, 2025SPEIRA

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

Last updated on: Oct 8, 2026
Patent NumberPublication DateTitleApplicantTotal Oppositions
Apr 4, 2018Ai-Mg-Si Aluminium Alloy With Improved PropertiesNORSK HYDRO ASA5
Oct 10, 2018Multi-Layer Brazing SheetARCONIC5
Nov 15, 2017Aluminum Alloy Foil And Method For Producing SameUACJ5
Aug 28, 2019Aluminum Composite Material Having A Corrosion Protection LayerHYDRO ALUMINIUM ROLLED PRODUCTS4
Dec 19, 2018Aluminium Alloy Brazing SheetUACJ4
Jul 27, 2022Strip Material With Excellent Corrosion Resistance After BrazingGRNGES SWEDEN4
Jun 1, 2022Method Of Continuously Heat-Treating 7000-Series Aluminium Alloy Sheet MaterialALERIS ALUMINUM DUFFEL BVBA4
Mar 11, 2020Al-Mg-Si Aluminium Alloy With Improved PropertiesNORSK HYDRO ASA4
Jan 12, 2022Multiply-Clad Brazing Metal SheetCONSTELLIUM NEUF BRISACH4
Sep 7, 2022Multilayer Aluminium Brazing Sheet For Fluxfree Brazing In Controlled AtmosphereGRNGES SWEDEN3