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The patent EP2758670 was granted to Grundfos Holding on Oct 31, 2018. The application was filed on Sep 20, 2012 under application number EP12759483A. 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 |
|---|---|---|---|
| HERBERT SAIER | Jul 31, 2019 | ROCHE | - |
| PROMINENT | Jul 31, 2019 | DR LANGFINGER & PARTNER | - |
| WILO | Jul 26, 2019 | MICHALSKI HUTTERMANN & PARTNER PATENTANWALTE MBB | - |
| KSB | Jul 12, 2019 | LAUFHUTTE | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| EXAMINATION | EP1426621 |
| EXAMINATION | EP1655494 |
| EXAMINATION | US2008187443 |
| EXAMINATION | US2010254827 |
| INTERNATIONAL-SEARCH-REPORT | US2005196284 |
| INTERNATIONAL-SEARCH-REPORT | US2007154323 |
| INTERNATIONAL-SEARCH-REPORT | US2009069749 |
| INTERNATIONAL-SEARCH-REPORT | US5259445 |
| INTERNATIONAL-SEARCH-REPORT | US5329991 |
| OPPOSITION | DE69636383T |
| OPPOSITION | EP0936729 |
| OPPOSITION | US2002013629 |
| OPPOSITION | US2003091443 |
| OPPOSITION | US2005196284 |
| OPPOSITION | US2007154323 |
| OPPOSITION | US2008288115 |
| OPPOSITION | US2009055209 |
| OPPOSITION | US2009069749 |
| OPPOSITION | US2009082977 |
| OPPOSITION | US2012053737 |
| OPPOSITION | US5259445 |
| OPPOSITION | US5329991 |
| OPPOSITION | US5787282 |
| OPPOSITION | US5812394 |
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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Search/Exam
Jan 17, 2019
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Search/Exam
Nov 12, 2018
Oct 5, 2018
Decision to grant a European patent
Search/Exam
Sep 19, 2018
(Electronic) Receipt
Search/Exam
Sep 19, 2018
Filing of the translations of the claims
Search/Exam
Sep 19, 2018
French translation of claims
Search/Exam
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German translation of the claims
Search/Exam
Sep 19, 2018
Letter accompanying subsequently filed items
Search/Exam
May 17, 2018
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Intention to grant (signatures)
Search/Exam
May 17, 2018
Text intended for grant (clean copy)
Search/Exam
May 17, 2018
Sep 4, 2017
Payment of fees and costs
Search/Exam
Jun 26, 2017
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(Electronic) Receipt
Search/Exam
Jun 13, 2017
Enquiry as to the processing of the file
Search/Exam
Jun 13, 2017
Letter accompanying subsequently filed items
Search/Exam
Sep 2, 2016
Payment of fees and costs
Search/Exam
Apr 15, 2016
(Electronic) Receipt
Search/Exam
Apr 15, 2016
Amended claims with annotations
Search/Exam
Apr 15, 2016
Claims
Search/Exam
Apr 15, 2016
Letter accompanying subsequently filed items
Search/Exam
Apr 15, 2016
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Annex to the communication
Search/Exam
Oct 19, 2015
Communication from the Examining Division
Search/Exam
Oct 14, 2015
Examination started
Search/Exam
Sep 3, 2015
Payment of fees and costs
Search/Exam
Oct 17, 2014
(Electronic) Receipt
Search/Exam
Oct 17, 2014
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Amended description with annotations
Search/Exam
Oct 17, 2014
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Search/Exam
Oct 17, 2014
Letter accompanying subsequently filed items
Search/Exam
Jul 2, 2014
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Notice on debiting of fees
Search/Exam
May 1, 2014
Priority search results copy provided by EPO
Search/Exam
Apr 25, 2014
Communication to designated inventor
Search/Exam
Apr 25, 2014
Communication to designated inventor
Search/Exam
Apr 9, 2014
Feb 17, 2014
(Electronic) Receipt
Search/Exam
Feb 17, 2014
Request for entry into the European phase
Search/Exam
Jan 31, 2014
Information on entry into European phase
Search/Exam
May 23, 2013
Copy of the international search report
Search/Exam
May 23, 2013
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Copy of the international search report
Search/Exam
Mar 28, 2013
Published international application - A1
Search/Exam
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Sep 20, 2012
(Electronic) Receipt
PCTRO
Sep 20, 2012
Abstract
PCTRO
Sep 20, 2012
Claims
PCTRO
Sep 20, 2012
Description
PCTRO
Sep 20, 2012
Drawings
PCTRO
Sep 20, 2012