The patent EP2039939 was granted to Grundfos Management on Nov 18, 2020. The application was originally filed on Sep 20, 2007 under application number EP07018530A. The patent is currently recorded with a legal status of "Patent Maintained As Amended".

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.
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number | 
|---|---|
| DESCRIPTION | DE102007009301 | 
| DESCRIPTION | EP1564411 | 
| OPPOSITION | DE102007009301 | 
| OPPOSITION | DE102007022348 | 
| OPPOSITION | DE3402120 | 
| OPPOSITION | EP1072795 | 
| OPPOSITION | EP1171714 | 
| OPPOSITION | EP1564411 | 
| OPPOSITION | JPS6163491U | 
| OPPOSITION | US2003133808 | 
| OPPOSITION | US4584654 | 
| OPPOSITION | US5742500 | 
| OPPOSITION | US6260004 | 
| OPPOSITION | WO2005064167 | 
| SEARCH | DE102007009301 | 
| SEARCH | DE19618462 | 
| SEARCH | EP1564411 | 
| SEARCH | US2005251362 | 
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Date
Description
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Oct 22, 2020
Oct 22, 2020
Oct 16, 2020
Oct 8, 2020
Oct 8, 2020
Oct 8, 2020
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Aug 31, 2020
Aug 31, 2020
Jun 18, 2020
Jun 16, 2020
Refund of fees
Appeal
Jun 9, 2020
Refund of fees
Appeal
Jun 5, 2020
Jun 5, 2020
Jun 2, 2020
May 20, 2020
(Electronic) Receipt
Appeal
May 20, 2020
(Electronic) Receipt
Appeal
May 20, 2020
May 20, 2020
May 20, 2020
Withdrawal of an appeal
Appeal
May 20, 2020
Withdrawal of an appeal
Appeal
Apr 21, 2020
Apr 21, 2020
Apr 16, 2020
(Electronic) Receipt
Appeal
Apr 16, 2020
Apr 16, 2020
Notice of appeal
Appeal
Mar 26, 2020
Mar 26, 2020
Mar 20, 2020
(Electronic) Receipt
Appeal
Mar 20, 2020
Mar 20, 2020
Mar 20, 2020
Mar 20, 2020
Notice of appeal
Appeal
Jan 20, 2020
Jan 15, 2020
Jan 13, 2020
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Means of redress
OPPO
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Nov 6, 2019
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Claims
OPPO
Oct 22, 2019
Claims
OPPO
Oct 22, 2019
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Aug 10, 2017
Jul 13, 2017
Decision to grant a European patent
Search/Exam
Jun 29, 2017
Jun 29, 2017
Jun 29, 2017
Intention to grant (signatures)
Search/Exam
Jun 29, 2017
Text intended for grant
Search/Exam
Jun 21, 2017
May 24, 2017
(Electronic) Receipt
Search/Exam
May 24, 2017
Amended claims with annotations
Search/Exam
May 24, 2017
Claims
Search/Exam
May 24, 2017
English translation of the claims
Search/Exam
May 24, 2017
French translation of claims
Search/Exam
May 24, 2017
Letter accompanying subsequently filed items
Search/Exam
May 24, 2017
Jan 23, 2017
Jan 23, 2017
Jan 23, 2017
Intention to grant (signatures)
Search/Exam
Jan 23, 2017
Text intended for grant
Search/Exam
Sep 2, 2016
Payment of fees and costs
Search/Exam
Sep 3, 2015
Payment of fees and costs
Search/Exam
Sep 4, 2012
Payment of fees and costs
Search/Exam
Sep 14, 2011
Payment of fees and costs
Search/Exam
Feb 3, 2011
Amended claims with annotations
Search/Exam
Feb 3, 2011
Amended description with annotations
Search/Exam
Feb 3, 2011
Amended drawings with annotations
Search/Exam
Feb 3, 2011
Claims
Search/Exam
Feb 3, 2011
Description
Search/Exam
Feb 3, 2011
Drawings
Search/Exam
Feb 3, 2011
Feb 2, 2011
Claims
Search/Exam
Feb 2, 2011
Description
Search/Exam
Feb 2, 2011
Description
Search/Exam
Feb 2, 2011
Drawings
Search/Exam
Feb 2, 2011
Drawings
Search/Exam
Feb 2, 2011
Feb 2, 2011
Dec 4, 2010
Submission concerning representation
Search/Exam
Sep 23, 2010
Annex to the communication
Search/Exam
Sep 23, 2010
Communication from the Examining Division
Search/Exam
Mar 5, 2010
Claims
Search/Exam
Mar 5, 2010
Mar 4, 2010
Claims
Search/Exam
Mar 4, 2010
Jan 11, 2010
Dec 23, 2009
Aug 26, 2009
Communication from the Examining Division
Search/Exam
Jul 29, 2009
Letter concerning fees and payments
Search/Exam
Mar 27, 2009
Feb 25, 2009
Notification of forthcoming publication
Search/Exam
Dec 20, 2008
Submission concerning representation
Search/Exam
Sep 4, 2008
Designation of inventor
Search/Exam
Sep 4, 2008
Letter concerning the inventor
Search/Exam
Mar 17, 2008
Mar 17, 2008
European search opinion
Search/Exam
Mar 17, 2008
European search report
Search/Exam
Sep 21, 2007
Abstract
Search/Exam
Sep 21, 2007
Claims
Search/Exam
Sep 21, 2007
Description
Search/Exam
Sep 21, 2007
Designation of inventor
Search/Exam
Sep 21, 2007
Drawings
Search/Exam
Sep 21, 2007
Request for grant of a European patent
Search/Exam
Sep 20, 2007
Designation of inventor
Search/Exam
Sep 20, 2007
Request for grant of a European patent
Search/Exam
Sep 20, 2007