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IP Verse

Method Of Starting-Up A Water Gas Shift Reactor - EP4251560

The patent EP4251560 was granted to Topsoe on Nov 6, 2024. The application was originally filed on Nov 24, 2021 under application number EP21814801A. The patent is currently recorded with a legal status of "Granted And Under Opposition".

EP4251560

TOPSOE
Application Number
EP21814801A
Filing Date
Nov 24, 2021
Status
Granted And Under Opposition
Oct 3, 2024
Publication Date
Nov 6, 2024
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

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JOHNSON MATTHEY DAVYAug 5, 2025JOHNSON MATTHEYADMISSIBLE

Patent Citations (14) New

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

Citation PhasePublication Number
DESCRIPTIONEP2237882
DESCRIPTIONEP3368470
DESCRIPTIONUS2011101279
DESCRIPTIONUS2019047852
DESCRIPTIONUS7998897
DESCRIPTIONUS8119099
DESCRIPTIONUS8404156
INTERNATIONAL-SEARCH-REPORTEP1256545
INTERNATIONAL-SEARCH-REPORTEP2237882
INTERNATIONAL-SEARCH-REPORTUS2011101279
INTERNATIONAL-SEARCH-REPORTUS2019047852
INTERNATIONAL-SEARCH-REPORTUS7347978
OPPOSITIONUS2009149324
OPPOSITIONUS7998897

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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