The weekly litigation news digest is live. Subscribe now

Catalyst For Oxygen Evolution Reaction In The Electrolysis Of Water - EP3764443

The patent EP3764443 was granted to Heraeus Deutschland on Oct 19, 2022. The application was originally filed on Jul 10, 2019 under application number EP19185574A. The patent is currently recorded with a legal status of "Granted And Under Opposition".

EP3764443

HERAEUS DEUTSCHLAND
Application Number
EP19185574A
Filing Date
Jul 10, 2019
Status
Granted And Under Opposition
Sep 16, 2022
Publication Date
Oct 19, 2022
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

Get instant alerts for new oppositions and patent status changes

JOHNSON MATTHEY HYDROGENJul 17, 2023GLEAVEADMISSIBLE

Patent Citations (12) New

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

Citation PhasePublication Number
DESCRIPTIONEP2608297
DESCRIPTIONEP2608298
DESCRIPTIONEP2954951
DESCRIPTIONWO2005049199
EXAMINATIONWO2018077857
OPPOSITIONUS2017141405
OPPOSITIONWO2005049199
SEARCHDE102017114030
SEARCHDE112010005334T
SEARCHEP2575202
SEARCHUS2011081599
SEARCHUS2011223523

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

  • Get instant alerts for new documents