Method For Hydrogen Production Coupled With Co2 Capture

Patent No. EP4380893 (titled "Method For Hydrogen Production Coupled With Co2 Capture") was filed by KT Tech on Aug 4, 2021. The application was issued on Oct 22, 2025.

Patent Summary

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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 DateRepresentative
LAIR LIQUIDEJun 9, 2026AIR LIQUIDE
HAMPTON KNOWLESJun 3, 2026D YOUNG

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

EP4380893

KT TECH
Application Number
EP21790245A
Filing Date
Aug 4, 2021
Status
Granted And Under Opposition
Aug 8, 2025
Publication Date
Oct 22, 2025