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Method Of Manufacturing An Aluminium Alloy Rolled Product - EP3842561

The patent EP3842561 was granted to Aleris Rolled Products Germany on Aug 17, 2022. The application was originally filed on Dec 23, 2019 under application number EP19219448A. The patent is currently recorded with a legal status of "Granted And Under Opposition".

EP3842561

ALERIS ROLLED PRODUCTS GERMANY
Application Number
EP19219448A
Filing Date
Dec 23, 2019
Status
Granted And Under Opposition
Jul 15, 2022
Publication Date
Aug 17, 2022
External Links
Slate, Register, Google Patents

Patent Summary

Patent Family

Patent Family

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 DateRepresentativeOpposition Status

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ARCONICMay 16, 2023FORRESTERSADMISSIBLE
C TEC CONSTELLIUM TECHNOLOGY CENTERCONSTELLIUM ISSOIREMay 10, 2023CONSTELLIUM PROPRIETE INDUSTRIELLEADMISSIBLE

Patent Citations (13) New

Patent citations refer to prior patents cited during different phases such as opposition or international search.

Citation PhasePublication Number
DESCRIPTIONEP2034035
DESCRIPTIONEP3171996
OPPOSITIONCN102517526
OPPOSITIONUS2012085470
OPPOSITIONUS2016333453
OPPOSITIONUS5213639
OPPOSITIONUS5560789
OPPOSITIONUS6322647
OPPOSITIONUS6994760
OPPOSITIONWO2019222177
SEARCHUS2019136348
SEARCHWO2018206696
SEARCHWO2019238509

Dossier Documents

The dossier documents provide a comprehensive record of the patent's prosecution history - including filings, correspondence, and decisions made by patent offices - and are crucial for understanding the patent's legal journey and any challenges it may have faced during examination.

  • Date

    Description

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