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Polyester Terephthalate-Co-Sebate Resin And Preparation Method Therefor - EP3511358

The patent EP3511358 was granted to Kingfa SCI & Tech on Jan 27, 2021. The application was originally filed on Sep 4, 2017 under application number EP17848102A. The patent is currently recorded with a legal status of "Revoked".

EP3511358

KINGFA SCI & TECH
Application Number
EP17848102A
Filing Date
Sep 4, 2017
Status
Revoked
Feb 21, 2025
Publication Date
Jan 27, 2021
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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BASFOct 26, 2021MEISSNER BOLTE PARTNERSCHAFT MBBADMISSIBLE
NOVAMONTOct 26, 2021MAIWALDADMISSIBLE

Patent Citations (6) New

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

Citation PhasePublication Number
OPPOSITIONEP0683191
OPPOSITIONEP2881415
OPPOSITIONWO2006097353
OPPOSITIONWO2010034710
OPPOSITIONWO2015169659
SEARCHEP2881415

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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