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IP Verse

Electrically Excited Machine And Arrangement For An Electrically Excited Machine - EP3920385

The patent EP3920385 was granted to Mahle on Jul 31, 2024. The application was filed on Jun 4, 2021 under application number EP21177864A. The patent is currently recorded with a legal status of "Granted And Under Opposition".

EP3920385

MAHLE
Application Number
EP21177864A
Filing Date
Jun 4, 2021
Status
Granted And Under Opposition
Jun 27, 2024
Publication Date
Jul 31, 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
ZF FRIEDRICHSHAFENApr 29, 2025HAFNER & KOHL PARTMBBADMISSIBLE

Patent Citations (23) New

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

Citation PhasePublication Number
EXAMINATIONUS2005218740
OPPOSITIONDE102004048961
OPPOSITIONDE102016218819
OPPOSITIONDE102020207000
OPPOSITIONDE19935074
OPPOSITIONDE20204584U
OPPOSITIONDE2122520
OPPOSITIONDE2234472
OPPOSITIONDE2509002
OPPOSITIONGB2378586
OPPOSITIONJPS6278072U
OPPOSITIONUS2005021874
OPPOSITIONUS2019058382
OPPOSITIONUS4647806
OPPOSITIONUS5519275
OPPOSITIONWO03047077
OPPOSITIONWO2012139824
OPPOSITIONWO2013084164
SEARCHCN110635576
SEARCHDE20204584U
SEARCHUS2019058382
SEARCHWO2013084164
SEARCHWO9526069

Dossier Documents

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