The weekly litigation news digest is live. Subscribe now

Device And System For Indirectly Determining The Temperature Of A Power Transformer - EP4208726

The patent EP4208726 was granted to Maschinenfabrik Reinhausen on Aug 21, 2024. The application was originally filed on Sep 3, 2021 under application number EP21770245A. The patent is currently recorded with a legal status of "Granted And Under Opposition".

EP4208726

MASCHINENFABRIK REINHAUSEN
Application Number
EP21770245A
Filing Date
Sep 3, 2021
Status
Granted And Under Opposition
Jul 19, 2024
Publication Date
Aug 21, 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

Get instant alerts for new oppositions and patent status changes

HITACHI ENERGYMay 21, 2025EPPING HERMANN FISCHERADMISSIBLE

Patent Citations (7) New

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

Citation PhasePublication Number
INTERNATIONAL-SEARCH-REPORTCN106844972
INTERNATIONAL-SEARCH-REPORTWO2015027127
OPPOSITIONEP1786083
OPPOSITIONEP3299783
OPPOSITIONEP3627121
OPPOSITIONUS2016047765
OPPOSITIONUS9419430

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