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IP Verse

Rotor And Reluctance Motor - EP3509190

The patent EP3509190 was granted to Kabushiki Kaisha Toshiba on Apr 14, 2021. The application was originally filed on Aug 9, 2017 under application number EP17846090A. The patent is currently recorded with a legal status of "Granted And Under Opposition".

EP3509190

KABUSHIKI KAISHA TOSHIBA
Application Number
EP17846090A
Filing Date
Aug 9, 2017
Status
Granted And Under Opposition
Mar 12, 2021
Publication Date
Apr 14, 2021
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.

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LINDE MATERIAL HANDLINGJan 12, 2022PATENTSHIP PATENTANWALTSGESELLSCHAFT -

Patent Citations (28) New

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

Citation PhasePublication Number
INTERNATIONAL-SEARCH-REPORTJP2009153353
INTERNATIONAL-SEARCH-REPORTJP2011147345
INTERNATIONAL-SEARCH-REPORTJPH1189144
OPPOSITIONEP2591537
OPPOSITIONEP2741401
OPPOSITIONJP2008136298
OPPOSITIONJP2009044860
OPPOSITIONKR101251859B
OPPOSITIONUS2005140236
OPPOSITIONUS2007152527
OPPOSITIONUS2010237735
OPPOSITIONUS2013181567
OPPOSITIONUS2015295459
OPPOSITIONUS2015303748
OPPOSITIONUS4924130
OPPOSITIONUS5818140
OPPOSITIONUS6121706
OPPOSITIONUS6836045
OPPOSITIONUS7038345
OPPOSITIONUS7362025
OPPOSITIONUS7459821
OPPOSITIONUS8089190
OPPOSITIONUS8994240
OPPOSITIONWO2014155438
OPPOSITIONWO2015177565
SEARCHUS2005140236
SEARCHUS6121706
SEARCHWO2014155438

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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    Description

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