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IP Verse

Cellulose Acetate Tow Band, And Method For Producing Cellulose Acetate Tow Band - EP3653765

The patent EP3653765 was granted to Daicel on Jun 19, 2024. The application was filed on Nov 22, 2017 under application number EP17917790A. The patent is currently recorded with a legal status of "Granted And Under Opposition".

EP3653765

DAICEL
Application Number
EP17917790A
Filing Date
Nov 22, 2017
Status
Granted And Under Opposition
May 17, 2024
Publication Date
Jun 19, 2024
External Links
Slate, Register, Google Patents

Patent Summary

Patent Family

Patent Family

Patent Oppositions (3)

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
EASTMAN CHEMICALMar 19, 2025WALLINGER RICKER SCHLOTTER TOSTMANNADMISSIBLE
CERDIAMar 18, 2025MEISSNER BOLTE PARTNERSCHAFT MBBADMISSIBLE
ACETATEMar 17, 2025SIMMONS & SIMMONS MUNICHADMISSIBLE

Patent Citations (38) New

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

Citation PhasePublication Number
DESCRIPTIONGB949505
DESCRIPTIONJP2004068198
EXAMINATIONJPS63309173
EXAMINATIONUS2070031
EXAMINATIONUS2238977
INTERNATIONAL-SEARCH-REPORTJP2010106419
INTERNATIONAL-SEARCH-REPORTJP2015503038
INTERNATIONAL-SEARCH-REPORTWO2015152335
OPPOSITIONCN101864608
OPPOSITIONDE10121310
OPPOSITIONDE60036202T
OPPOSITIONDE69306801T
OPPOSITIONDE69333157T
OPPOSITIONDE69506801T
OPPOSITIONEP3095335
OPPOSITIONEP3128070
OPPOSITIONGB907299
OPPOSITIONJP2000313894
OPPOSITIONJPH08500152
OPPOSITIONUS2004237982
OPPOSITIONUS2005126582
OPPOSITIONUS2005287368
OPPOSITIONUS2005288163
OPPOSITIONUS2013115452
OPPOSITIONUS2017020749
OPPOSITIONUS2070031
OPPOSITIONUS2238977
OPPOSITIONWO2006007013
OPPOSITIONWO2011048420
OPPOSITIONWO2012177482
OPPOSITIONWO2012177483
OPPOSITIONWO2013067503
OPPOSITIONWO2013067511
OPPOSITIONWO2014018492
OPPOSITIONWO2015152335
SEARCHCN101864608
SEARCHEP3095335
SEARCHUS3220083

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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