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Method For Transporting Hydrogen - EP4001734

The patent EP4001734 was granted to Lair Liquide on Aug 23, 2023. The application was originally filed on Nov 11, 2020 under application number EP20020520A. The patent is currently recorded with a legal status of "Granted And Under Opposition".

EP4001734

LAIR LIQUIDE
Application Number
EP20020520A
Filing Date
Nov 11, 2020
Status
Granted And Under Opposition
Jul 21, 2023
Grant Date
Aug 23, 2023
External Links
Slate, Register, Google Patents

Patent Summary

Patent Family

Patent Family

Patent Oppositions (3)

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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LINDEMay 22, 2024LUADMISSIBLE
EVONIK OPERATIONSMay 21, 2024EVONIK PATENT ASSOCIATIONADMISSIBLE
OPEN GRID EUROPEMay 16, 2024HARLACHERADMISSIBLE

Patent Citations (9) New

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

Citation PhasePublication NumberPublication Link
DESCRIPTIONCN206723836U
DESCRIPTIONEP2979743
OPPOSITIONEP2979743
OPPOSITIONUS2010322845
OPPOSITIONUS2014030615
SEARCHEP2979743
SEARCHUS2010322845
SEARCHUS2019013532
SEARCHWO2019180032

Non-Patent Literature (NPL) Citations (2) New

NPL citations refer to non-patent references such as research papers, articles, or other publications cited during examination or opposition phases.

Citation PhaseReference TextLink
OPPOSITION- Cerbe Gunter, Grundlagen der Gastechnik, CARL HANSER VERLAG, (19810101), page 187, ISBN 978-3-446-13358-7, XP093191548-
OPPOSITION- Lubenau Udo, Kussin Peter, "Anforderungen, Möglichkeiten und Grenzen der Abtrennung von Wasserstoff aus Wasserstoff/Erdgasgemischen (auszug)", Abschlussbericht: DVGW-Forschungsbericht G 201611, (20190501), pages 1 - 47, XP093191535-

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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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