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IP Verse

Polycarbonate Polyol Compositions And Methods - EP2337809

The patent EP2337809 was granted to Novomer on Nov 29, 2023. The application was filed on Sep 8, 2009 under application number EP09792317A. The patent is currently recorded with a legal status of "Patent Maintained As Amended".

EP2337809

NOVOMER
Application Number
EP09792317A
Filing Date
Sep 8, 2009
Status
Patent Maintained As Amended
Oct 27, 2023
Publication Date
Nov 29, 2023
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
ECONICMay 2, 2018APPLEYARD LEES -

Patent Citations (15) New

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

Citation PhasePublication Number
INTERNATIONAL-SEARCH-REPORTEP2112187
INTERNATIONAL-SEARCH-REPORTJP2008081518
INTERNATIONAL-SEARCH-REPORTUS2006089252
INTERNATIONAL-SEARCH-REPORTUS7399822
OPPOSITIONEP0222453
OPPOSITIONEP0403313
OPPOSITIONEP2258745
OPPOSITIONJP2008081518
OPPOSITIONJP2008280399
OPPOSITIONWO9900444
OTHERJP2008081518
OTHERJP2008081518K
OTHERJPH10853358B
OTHERUS4686276
OTHERUS4826953

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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