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The patent EP3256726 was granted to Nidec Appliance Germany on Sep 4, 2019. The application was filed on Feb 9, 2016 under application number EP16703334A. The patent is currently recorded with a legal status of "Revoked".

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.
| Company | Opposition Date | Representative | Opposition Status |
|---|---|---|---|
| EMBRACO INDUSTRIA DE COMPRESSORES E SOLUCOES EM REFRIGERACAO LTDA | Jun 4, 2020 | GRUNECKER PATENT | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | EP2669519 |
| INTERNATIONAL-SEARCH-REPORT | EP2759788 |
| INTERNATIONAL-SEARCH-REPORT | US2014072451 |
| INTERNATIONAL-SEARCH-REPORT | US6051952 |
| OPPOSITION | DE69626073T |
| OPPOSITION | EP2708835 |
| OPPOSITION | EP2759788 |
| OPPOSITION | JP2000287485 |
| OPPOSITION | JP2007092686 |
| OPPOSITION | JPH07167076 |
| OPPOSITION | US2009019835 |
| OPPOSITION | US2010021313 |
| OPPOSITION | US2014072451 |
| OPPOSITION | US4355959 |
| OPPOSITION | US5820349 |
| OPPOSITION | US6051952 |
| OPPOSITION | US6121739 |
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
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Means of redress
OPPO
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Nov 25, 2019
Sep 16, 2019
Aug 8, 2019
Decision to grant a European patent
Search/Exam
Jul 23, 2019
(Electronic) Receipt
Search/Exam
Jul 23, 2019
English translation of the claims
Search/Exam
Jul 23, 2019
Filing of the translations of the claims
Search/Exam
Jul 23, 2019
French translation of claims
Search/Exam
Jul 23, 2019
Letter accompanying subsequently filed items
Search/Exam
May 20, 2019
May 20, 2019
May 20, 2019
Intention to grant (signatures)
Search/Exam
May 20, 2019
Text intended for grant (clean copy)
Search/Exam
May 20, 2019
Apr 3, 2019
(Electronic) Receipt
Search/Exam
Apr 3, 2019
Amended claims with annotations
Search/Exam
Apr 3, 2019
Amended description with annotations
Search/Exam
Apr 3, 2019
Claims
Search/Exam
Apr 3, 2019
Description
Search/Exam
Apr 3, 2019
Letter accompanying subsequently filed items
Search/Exam
Apr 3, 2019
Dec 14, 2018
Annex to the communication
Search/Exam
Dec 14, 2018
Communication from the Examining Division
Search/Exam
Dec 11, 2018
Dec 11, 2018
Dec 5, 2018
(Electronic) Receipt
Search/Exam
Dec 5, 2018
Letter accompanying subsequently filed items
Search/Exam
Dec 5, 2018
Reply to communication to third party
Search/Exam
Aug 29, 2018
(Electronic) Receipt
Search/Exam
Aug 29, 2018
Letter accompanying subsequently filed items
Search/Exam
Aug 29, 2018
Jun 19, 2018
Annex to a communication
Search/Exam
Jun 19, 2018
Annex to the communication
Search/Exam
Jun 19, 2018
Communication from the Examining Division
Search/Exam
Jun 13, 2018
Jun 8, 2018
Examination started
Search/Exam
May 30, 2018
(Electronic) Receipt
Search/Exam
May 30, 2018
Enquiry as to the processing of the file
Search/Exam
May 30, 2018
Letter accompanying subsequently filed items
Search/Exam
Mar 29, 2018
Mar 21, 2018
Jan 31, 2018
Communication to designated inventor
Search/Exam
Jan 24, 2018
(Electronic) Receipt
Search/Exam
Jan 24, 2018
Letter accompanying subsequently filed items
Search/Exam
Jan 24, 2018
Letter concerning the inventor
Search/Exam
Dec 7, 2017
Dec 1, 2017
Letter which had not been notified
Search/Exam
Nov 22, 2017
Oct 17, 2017
Communication to designated inventor
Search/Exam
Oct 17, 2017
Communication to designated inventor
Search/Exam
Oct 17, 2017
Communication to designated inventor
Search/Exam
Oct 12, 2017
Priority search results copy provided by EPO
Search/Exam
Aug 14, 2017
Jul 27, 2017
(Electronic) Receipt
Search/Exam
Jul 27, 2017
Jul 27, 2017
Amended claims with annotations
Search/Exam
Jul 27, 2017
Jul 27, 2017
Amended description with annotations
Search/Exam
Jul 27, 2017
Amendments received before examination
Search/Exam
Jul 27, 2017
Request for entry into the European phase
Search/Exam
Jun 23, 2017
Information on entry into European phase
Search/Exam
Jan 12, 2017
Jan 12, 2017
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Jan 3, 2017
Notification of election of EPO
Search/Exam
Dec 19, 2016
Dec 6, 2016
Dec 6, 2016
PCT demand form
PCT2
Dec 6, 2016
Dec 6, 2016
Sep 6, 2016
Aug 18, 2016
Copy of the international search report
Search/Exam
Aug 18, 2016
Copy of the international search report
Search/Exam
Aug 18, 2016
Published international application - A1
Search/Exam
Apr 18, 2016
Apr 18, 2016
Apr 18, 2016
Feb 17, 2016
Feb 9, 2016
(Electronic) Receipt
PCTRO
Feb 9, 2016
Abstract
PCTRO
Feb 9, 2016
Claims
PCTRO
Feb 9, 2016
Description
PCTRO
Feb 9, 2016
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Drawings
PCTRO
Feb 9, 2016
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