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IP Verse

Low-Pressure Hydroformylation Of Diisobutene - EP4103571

The patent EP4103571 was granted to Basf on Nov 15, 2023. The application was filed on Feb 1, 2021 under application number EP21702974A. The patent is currently recorded with a legal status of "Granted And Under Opposition".

EP4103571

BASF
Application Number
EP21702974A
Filing Date
Feb 1, 2021
Status
Granted And Under Opposition
Oct 13, 2023
Publication Date
Nov 15, 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 OXENOJul 17, 2024VON ROHR PATENTANWALTE PARTNERSCHAFT MBBADMISSIBLE

Patent Citations (19) New

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

Citation PhasePublication Number
DESCRIPTIONEP20110140017
DESCRIPTIONDE19914260
DESCRIPTIONEP0423769
DESCRIPTIONEP0846095
DESCRIPTIONEP1231198
DESCRIPTIONEP1255720
DESCRIPTIONEP1360160
DESCRIPTIONEP2836474
DESCRIPTIONRU2270828
DESCRIPTIONUS2011065970
DESCRIPTIONUS2014128652
DESCRIPTIONUS2554251
DESCRIPTIONUS4467116
DESCRIPTIONUS4778929
DESCRIPTIONUS5064794
DESCRIPTIONUS5728893
DESCRIPTIONUS6403837
DESCRIPTIONUS6700021
INTERNATIONAL-SEARCH-REPORTEP1099678

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

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