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IP Verse

Mat And Gypsum Boards Suitable For Wet Or Humid Areas - EP3204551

The patent EP3204551 was granted to Ahlstrom on Dec 5, 2018. The application was filed on Oct 6, 2015 under application number EP15777673A. The patent is currently recorded with a legal status of "Granted And Under Opposition".

EP3204551

AHLSTROM
Application Number
EP15777673A
Filing Date
Oct 6, 2015
Status
Granted And Under Opposition
Nov 2, 2018
Publication Date
Dec 5, 2018
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
OWENS CORNING CAPITALSep 3, 2019HASELTINE LAKE KEMPNERADMISSIBLE

Patent Citations (37) New

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

Citation PhasePublication Number
DESCRIPTIONEP0889151
DESCRIPTIONEP2230075
DESCRIPTIONUS2006068186
DESCRIPTIONUS4047355
DESCRIPTIONUS4647496
DESCRIPTIONUS4783942
DESCRIPTIONUS5319900
DESCRIPTIONUS5552187
DESCRIPTIONUS6787486
DESCRIPTIONUS7932195
DESCRIPTIONWO0206605
DESCRIPTIONWO2004055286
DESCRIPTIONWO2008100777
DESCRIPTIONWO2013113459
INTERNATIONAL-SEARCH-REPORTEP2230075
INTERNATIONAL-SEARCH-REPORTUS2005202742
INTERNATIONAL-SEARCH-REPORTWO2004055286
OPPOSITIONEP0731207
OPPOSITIONEP1980540
OPPOSITIONEP2230075
OPPOSITIONUS2001034399
OPPOSITIONUS2002135086
OPPOSITIONUS2004209074
OPPOSITIONUS2005202742
OPPOSITIONUS2006068186
OPPOSITIONUS2009156078
OPPOSITIONUS2010066121
OPPOSITIONUS2012028783
OPPOSITIONUS2013295378
OPPOSITIONUS4647496
OPPOSITIONUS5763022
OPPOSITIONUS5977244
OPPOSITIONUS6174568
OPPOSITIONWO0022016
OPPOSITIONWO2010026065
OPPOSITIONWO9412549
OPPOSITIONWO9942500

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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