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Method Of Producing Lignin With Reduced Amount Of Odorous Substances - EP3847206

The patent EP3847206 was granted to Valmet on Dec 25, 2024. The application was originally filed on Sep 3, 2019 under application number EP19856717A. The patent is currently recorded with a legal status of "Granted And Under Opposition".

EP3847206

VALMET
Application Number
EP19856717A
Filing Date
Sep 3, 2019
Status
Granted And Under Opposition
Nov 22, 2024
Publication Date
Dec 25, 2024
External Links
Slate, Register, Google Patents

Patent Summary

Patent Family

Patent Family

Patent Oppositions (2)

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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ANDRITZSep 25, 2025DEVINEADMISSIBLE
STRAWMANSep 23, 2025PELLEGRIADMISSIBLE

Patent Citations (21) New

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

Citation PhasePublication Number
DESCRIPTIONUS2014187760
DESCRIPTIONUS2016177040
DESCRIPTIONWO2006031175
DESCRIPTIONWO2012161865
DESCRIPTIONWO2017222455
DESCRIPTIONWO2018004427
DESCRIPTIONWO2020168809
INTERNATIONAL-SEARCH-REPORTUS2014187760
INTERNATIONAL-SEARCH-REPORTUS2016177040
INTERNATIONAL-SEARCH-REPORTUS3808192
INTERNATIONAL-SEARCH-REPORTWO2017222455
INTERNATIONAL-SEARCH-REPORTWO2018004427
OPPOSITIONUS2013183227
OPPOSITIONUS3808192
OPPOSITIONWO2009002785
OPPOSITIONWO2013144445
OPPOSITIONWO2015197048
OPPOSITIONWO2017222455
OPPOSITIONWO2018004427
OPPOSITIONWO2020169809
SEARCHWO2020169809

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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