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IP Verse

Al- Zn-Cu-Mg Alloys And Their Manufacturing Process - EP3899075

The patent EP3899075 was granted to Constellium Issoire on Nov 16, 2022. The application was filed on Dec 18, 2019 under application number EP19828721A. The patent is currently recorded with a legal status of "Granted And Under Opposition".

EP3899075

CONSTELLIUM ISSOIRE
Application Number
EP19828721A
Filing Date
Dec 18, 2019
Status
Granted And Under Opposition
Oct 14, 2022
Publication Date
Nov 16, 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
ARCONICAug 16, 2023FORRESTERSADMISSIBLE

Patent Citations (18) New

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

Citation PhasePublication Number
DESCRIPTIONEP1544315
DESCRIPTIONUS2005006010
DESCRIPTIONUS2005167016
DESCRIPTIONUS5560789
DESCRIPTIONUS5865911
DESCRIPTIONUS6027582
DESCRIPTIONUS6972110
DESCRIPTIONUS8277580
DESCRIPTIONUS8323426
DESCRIPTIONUS8673209
DESCRIPTIONWO2004090183
INTERNATIONAL-SEARCH-REPORTUS2002121319
INTERNATIONAL-SEARCH-REPORTUS5865911
OPPOSITIONEP3842561
OPPOSITIONUS2005150578
OPPOSITIONUS2007181229
OPPOSITIONUS7520945
OPPOSITIONWO2006086534

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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