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IP Verse

Zinc Alloy Plated Steel Material Having Excellent Surface Quality And Corrosion Resistance, And Method For Manufacturing Same - EP3733921

The patent EP3733921 was granted to Posco on Mar 1, 2023. The application was filed on Dec 13, 2018 under application number EP18896858A. The patent is currently recorded with a legal status of "Opposition Rejected".

EP3733921

POSCO
Application Number
EP18896858A
Filing Date
Dec 13, 2018
Status
Opposition Rejected
Aug 22, 2025
Publication Date
Mar 1, 2023
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
ARCELORMITTALNov 29, 2023LAVOIXADMISSIBLE

Patent Citations (14) New

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

Citation PhasePublication Number
DESCRIPTIONJP2002332555
INTERNATIONAL-SEARCH-REPORTJP2002332555
INTERNATIONAL-SEARCH-REPORTJP2017145503
INTERNATIONAL-SEARCH-REPORTKR20140074231
INTERNATIONAL-SEARCH-REPORTKR20150073315
INTERNATIONAL-SEARCH-REPORTKR20170076919
OPPOSITIONJP2006283155
OPPOSITIONKR100625952B
OPPOSITIONKR20020053514
OPPOSITIONKR20160037867
OPPOSITIONUS6159622
OPPOSITIONWO2012093150
OPPOSITIONWO2015092493
SEARCHKR20160037867

Dossier Documents

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    Description

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