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Method Of Manufacturing A 7Xxx-Series Aluminium Alloy Plate Product Having Improved Fatigue Failure Resistance

Patent No. EP3807434 (titled "Method Of Manufacturing A 7Xxx-Series Aluminium Alloy Plate Product Having Improved Fatigue Failure Resistance") was filed by Aleris Rolled Products Germany on Jun 5, 2019. The application was issued on Sep 17, 2025.

Patent Summary

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Patent Oppositions (2)

Patent oppositions filed by competitors challenge the validity of a granted patent. These oppositions are typically based on claims of prior art, lack of novelty, or non-obviousness. They are a key part of the process for determining a patent's strength and enforceability.

CompanyOpposition DateRepresentative
ARCONICJun 13, 2023LENZING GERBER STUTE
C TEC CONSTELLIUM TECHNOLOGY CENTERCONSTELLIUM ISSOIREJun 7, 2023CONSTELLIUM PROPRIETE INDUSTRIELLE

Dossier Documents

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EP3807434

ALERIS ROLLED PRODUCTS GERMANY
Application Number
EP19729715A
Filing Date
Jun 5, 2019
Status
Patent Maintained As Amended
Aug 15, 2025
Publication Date
Sep 17, 2025
External Links
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