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IP Verse

Olefin Trimerization - EP4001248

The patent EP4001248 was granted to Neste OYJ on Mar 29, 2023. The application was filed on Nov 8, 2021 under application number EP21206877A. The patent is currently recorded with a legal status of "Granted And Under Opposition".

EP4001248

NESTE OYJ
Application Number
EP21206877A
Filing Date
Nov 8, 2021
Status
Granted And Under Opposition
Feb 24, 2023
Publication Date
Mar 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
EVONIK OXENODec 28, 2023GODEMEYER BLUM LENZE PATENTANWALTE PARTNERSCHAFT MBB WERKPATENTADMISSIBLE

Patent Citations (11) New

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

Citation PhasePublication Number
DESCRIPTIONUS4544791
OPPOSITIONCN104591961
OPPOSITIONCN109761739
OPPOSITIONDE10302457
OPPOSITIONEP1388528
OPPOSITIONEP2949636
OPPOSITIONUS2010137668
OPPOSITIONUS2011306812
OPPOSITIONUS4100220
SEARCHUS4544791
SEARCHWO2007091862

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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