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Improved Process For Manufacturing Sheets Made Of Aluminium-Copper-Lithium Alloy For Aircraft Fuselage Manufacture - EP3728667

The patent EP3728667 was granted to Constellium Issoire on Jun 22, 2022. The application was originally filed on Dec 17, 2018 under application number EP18833951A. The patent is currently recorded with a legal status of "Opposition Rejected".

EP3728667

CONSTELLIUM ISSOIRE
Application Number
EP18833951A
Filing Date
Dec 17, 2018
Status
Opposition Rejected
Jun 27, 2025
Publication Date
Jun 22, 2022
External Links
Slate, Register, Google Patents

Patent Summary

Patent Family

Patent Family

Patent Oppositions

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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ARCONICMar 22, 2023LENZING GERBER STUTEADMISSIBLE

Patent Citations (10) New

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

Citation PhasePublication Number
DESCRIPTIONEP1966402
DESCRIPTIONWO2010055225
DESCRIPTIONWO2011141647
DESCRIPTIONWO2013054013
INTERNATIONAL-SEARCH-REPORTUS2007181229
INTERNATIONAL-SEARCH-REPORTWO2006131627
INTERNATIONAL-SEARCH-REPORTWO2010055225
INTERNATIONAL-SEARCH-REPORTWO2011141647
INTERNATIONAL-SEARCH-REPORTWO2013054013
INTERNATIONAL-SEARCH-REPORTWO2015082779

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.

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    Description

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