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IP Verse

Biomass-Resource-Derived Polyester And Production Process Thereof - EP2365017

The patent EP2365017 was granted to Mitsubishi Chemical on Jul 3, 2019. The application was originally filed on Apr 21, 2006 under application number EP11158665A. The patent is currently recorded with a legal status of "Revoked".

EP2365017

MITSUBISHI CHEMICAL
Application Number
EP11158665A
Filing Date
Apr 21, 2006
Status
Revoked
Jun 1, 2024
Publication Date
Jul 3, 2019
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

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DUPONT POLYMERSJun 1, 2020DEHNSADMISSIBLE
JONES DAYApr 2, 2020GRAFADMISSIBLE
NOVAMONTDec 17, 2019MAIWALDWITHDRAWN

Patent Citations (44) New

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

Citation PhasePublication Number
DESCRIPTIONJP2000500333
DESCRIPTIONJP2001514900
DESCRIPTIONJP2003235593
DESCRIPTIONJP2004196768
DESCRIPTIONJP2005027533
DESCRIPTIONJP2005139287
DESCRIPTIONJPH01293183
DESCRIPTIONJPH02283289
DESCRIPTIONJPH0330685
DESCRIPTIONJPH0795891
DESCRIPTIONJPH11113588
DESCRIPTIONJPH11206385
DESCRIPTIONJPS4733279U
DESCRIPTIONUS2941956
DESCRIPTIONUS5034105
DESCRIPTIONUS5143833
DESCRIPTIONUS5504004
DESCRIPTIONUS5770435
DESCRIPTIONUS6159738
DESCRIPTIONUS6284904
OPPOSITIONEP1679332
OPPOSITIONEP1882712
OPPOSITIONJP2005125318
OPPOSITIONJP2005125319
OPPOSITIONJP2005125320
OPPOSITIONJP2005125321
OPPOSITIONJP2005127757
OPPOSITIONJP2005127761
OPPOSITIONJP2005128886
OPPOSITIONJP2005139287
OPPOSITIONJP2005162801
OPPOSITIONWO2005026232
OPPOSITIONWO2006115226
OTHEREP1669459
OTHEREP1679332
OTHERUS5168055
OTHERWO2005026232
OTHERWO2005030973
SEARCHEP0683191
SEARCHJP2001026642
SEARCHJP2004124087
SEARCHUS3936421
SEARCHWO2005026232
SEARCHWO2005030973

Dossier Documents

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