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IP Verse

Resin Sheet - EP3882304

The patent EP3882304 was granted to Sekisui Chemical on Dec 13, 2023. The application was originally filed on Jul 25, 2019 under application number EP19883379A. The patent is currently recorded with a legal status of "Revoked".

EP3882304

SEKISUI CHEMICAL
Application Number
EP19883379A
Filing Date
Jul 25, 2019
Status
Revoked
May 29, 2025
Publication Date
Dec 13, 2023
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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MCE TECHNICAL CENTERSep 13, 2024IPECUNIAADMISSIBLE
SIMONASep 13, 2024ADVOTECADMISSIBLE

Patent Citations (31) New

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

Citation PhasePublication Number
DESCRIPTIONDE2842005
DESCRIPTIONJP2004517978
DESCRIPTIONJP2014240492
INTERNATIONAL-SEARCH-REPORTJP2009510217
INTERNATIONAL-SEARCH-REPORTJP2017019887
INTERNATIONAL-SEARCH-REPORTWO2017043532
INTERNATIONAL-SEARCH-REPORTWO2018047693
OPPOSITIONDE102006012990
OPPOSITIONJP2006111822
OPPOSITIONJP2009510217
OPPOSITIONJP2015059161
OPPOSITIONJP2017019887
OPPOSITIONJP6285085B
OPPOSITIONUS2007225412
OPPOSITIONUS2009143512
OPPOSITIONUS2022325099
OPPOSITIONUS9260585
OPPOSITIONWO2007037887
OPPOSITIONWO2017043532
OPPOSITIONWO2018047693
OPPOSITIONWO2018117181
OTHEREP3511375
OTHERJP2006111822
OTHERJP2009510217
OTHERJP2017019887
OTHERJP6285085B
OTHERUS2007225412
OTHERWO2007037887
OTHERWO2017043532
OTHERWO2018047693
SEARCHJP6285085B

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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