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IP Verse

System For Nickel-Free Zinc Phosphate Pretreatment - EP3449035

The patent EP3449035 was granted to PPG Industries Ohio on Feb 28, 2024. The application was filed on Apr 25, 2017 under application number EP17722292A. The patent is currently recorded with a legal status of "Granted And Under Opposition".

EP3449035

PPG INDUSTRIES OHIO
Application Number
EP17722292A
Filing Date
Apr 25, 2017
Status
Granted And Under Opposition
Jan 26, 2024
Publication Date
Feb 28, 2024
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
CHEMETALLNov 27, 2024STEFFAN & KIEHNE PATENTANWALTE PARTG MBBADMISSIBLE

Patent Citations (32) New

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

Citation PhasePublication Number
DESCRIPTIONUS20040892919
DESCRIPTIONUS20060337062
DESCRIPTIONDE2707405
DESCRIPTIONEP0012463
DESCRIPTIONUS2005287348
DESCRIPTIONUS2012160129
DESCRIPTIONUS3455806
DESCRIPTIONUS3663389
DESCRIPTIONUS3749657
DESCRIPTIONUS3793278
DESCRIPTIONUS3928157
DESCRIPTIONUS3947338
DESCRIPTIONUS3947339
DESCRIPTIONUS3962165
DESCRIPTIONUS3975346
DESCRIPTIONUS3984299
DESCRIPTIONUS3984922
DESCRIPTIONUS4001101
DESCRIPTIONUS4116900
DESCRIPTIONUS4134866
DESCRIPTIONUS4134932
DESCRIPTIONUS6797387
DESCRIPTIONUS6875800
DESCRIPTIONUS6894086
DESCRIPTIONUS7432333
DESCRIPTIONUS7470752
EXAMINATIONWO9616204
INTERNATIONAL-SEARCH-REPORTEP1930474
INTERNATIONAL-SEARCH-REPORTEP1930475
INTERNATIONAL-SEARCH-REPORTUS2007240604
INTERNATIONAL-SEARCH-REPORTWO0005066
INTERNATIONAL-SEARCH-REPORTWO0112341

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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