The weekly litigation news digest is live. Subscribe now

IP Verse

Polyester Polymers With Low Acetaldehyde Generation Rates And High Vinyl Ends Concentration - EP2118166

The patent EP2118166 was granted to Eastman Chemical on Oct 14, 2020. The application was filed on Jan 16, 2008 under application number EP08705609A. The patent is currently recorded with a legal status of "Patent Maintained As Amended".

EP2118166

EASTMAN CHEMICAL
Application Number
EP08705609A
Filing Date
Jan 16, 2008
Status
Patent Maintained As Amended
Sep 11, 2020
Publication Date
Oct 14, 2020
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
INVISTAJan 18, 2019MICHALSKI HUTTERMANN & PARTNER -
INVISTAJan 18, 2019MICHALSKI HUTTERMANN & PARTNER PATENTANWALTE MBB -

Patent Citations (13) New

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

Citation PhasePublication Number
INTERNATIONAL-SEARCH-REPORTWO2004078838
INTERNATIONAL-SEARCH-REPORTWO2005061581
INTERNATIONAL-SEARCH-REPORTWO2006138406
INTERNATIONAL-SEARCH-REPORTWO2007035256
INTERNATIONAL-SEARCH-REPORTWO9744376
OPPOSITIONEP1188783
OPPOSITIONGB1421972
OPPOSITIONUS2007066794
OPPOSITIONUS7655746
OPPOSITIONWO2005103110
OPPOSITIONWO2006138406
OPPOSITIONWO2007035256
OPPOSITIONWO9744376

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.

  • Date

    Description

  • Get instant alerts for new documents