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IP Verse

Method Of Increasing Filler Content In Papermaking - EP2367978

The patent EP2367978 was granted to Nalco on Oct 9, 2019. The application was filed on Nov 25, 2009 under application number EP09761127A. The patent is currently recorded with a legal status of "Opposition Rejected".

EP2367978

NALCO
Application Number
EP09761127A
Filing Date
Nov 25, 2009
Status
Opposition Rejected
Aug 5, 2022
Publication Date
Oct 9, 2019
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
OMYAJul 8, 2020MULLER DYCK -

Patent Citations (16) New

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

Citation PhasePublication Number
INTERNATIONAL-SEARCH-REPORTUS2005155520
INTERNATIONAL-SEARCH-REPORTUS4943349
INTERNATIONAL-SEARCH-REPORTUS5126014
INTERNATIONAL-SEARCH-REPORTUS5676746
OPPOSITIONJPS63203894
OPPOSITIONUS2005155520
OPPOSITIONUS4943349
OPPOSITIONWO0014331
OPPOSITIONWO03087472
OPPOSITIONWO2006066769
OTHERDE4128570
OTHERFR2895686
OTHERUS4605702
OTHERUS4943349
OTHERWO03023139
OTHERWO9732934

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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