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The patent EP2101062 was granted to Wilo on May 1, 2019. The application was filed on Mar 9, 2009 under application number EP09003360A. The patent is currently recorded with a legal status of "Opposition Rejected".

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 |
|---|---|---|---|
| GRUNDFOS HOLDING | Feb 3, 2020 | PATENTANWALTE HEMMER LINDFELD FRESE PARTNERSCHAFT MBB | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| EXAMINATION | CH372928 |
| EXAMINATION | DE1403839 |
| EXAMINATION | US1512149 |
| EXAMINATION | US4534588 |
| OPPOSITION | DE1403839 |
| OPPOSITION | DE19958319 |
| OPPOSITION | JP2001246948 |
| OPPOSITION | US1512149 |
| OPPOSITION | US2008038084 |
| SEARCH | DE1628426 |
| SEARCH | EP0663714 |
| SEARCH | US3451343 |
| SEARCH | US3601498 |
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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Aug 31, 2023
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Means of redress
OPPO
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May 13, 2019
Apr 4, 2019
Decision to grant a European patent
Search/Exam
Jan 30, 2019
English translation of the claims
Search/Exam
Jan 30, 2019
Filing of the translations of the claims
Search/Exam
Jan 30, 2019
French translation of claims
Search/Exam
Jan 30, 2019
Letter concerning fees and payments
Search/Exam
Jan 28, 2019
English translation of the claims
Search/Exam
Jan 28, 2019
Filing of the translations of the claims
Search/Exam
Jan 28, 2019
French translation of claims
Search/Exam
Jan 28, 2019
Letter concerning fees and payments
Search/Exam
Nov 15, 2018
Nov 14, 2018
Annexes in respect of a client data request
Search/Exam
Nov 14, 2018
Nov 12, 2018
Annexes in respect of a client data request
Search/Exam
Nov 12, 2018
Oct 22, 2018
Oct 22, 2018
Oct 22, 2018
Intention to grant (signatures)
Search/Exam
Oct 22, 2018
Text intended for grant (clean copy)
Search/Exam
Oct 22, 2018
Apr 11, 2018
Claims
Search/Exam
Apr 11, 2018
Apr 9, 2018
Claims
Search/Exam
Apr 9, 2018
Feb 20, 2018
Annex to the communication
Search/Exam
Feb 20, 2018
Communication from the Examining Division
Search/Exam
Feb 14, 2018
Examination started
Search/Exam
Aug 18, 2017
Jun 12, 2017
Jun 12, 2017
Amended claims with annotations
Search/Exam
Jun 12, 2017
Jun 12, 2017
Amended description with annotations
Search/Exam
Jun 12, 2017
Amendments received before examination
Search/Exam
Jun 7, 2017
Jun 7, 2017
Amended claims with annotations
Search/Exam
Jun 7, 2017
Jun 7, 2017
Amended description with annotations
Search/Exam
Jun 7, 2017
Amendments received before examination
Search/Exam
Jan 20, 2017
Jan 18, 2017
Jan 18, 2017
Payment of fees and costs
Search/Exam
Jan 18, 2017
Payment of fees and costs
Search/Exam
Jan 2, 2017
Nov 17, 2016
Nov 17, 2016
European search opinion
Search/Exam
Nov 17, 2016
European search report
Search/Exam
Nov 17, 2016
Information on Search Strategy
Search/Exam
Nov 11, 2016
Search started
Search/Exam
Jul 4, 2016
Jun 29, 2016
General enquiry
Search/Exam
Aug 3, 2011
Submission concerning representation
Search/Exam
Aug 19, 2009
Notification of forthcoming publication
Search/Exam
Mar 28, 2009
Letter concerning the priority
Search/Exam
Mar 28, 2009
Priority document
Search/Exam
Mar 10, 2009
Abstract
Search/Exam
Mar 10, 2009
Claims
Search/Exam
Mar 10, 2009
Description
Search/Exam
Mar 10, 2009
Designation of inventor
Search/Exam
Mar 10, 2009
Drawings
Search/Exam
Mar 10, 2009
Request for grant of a European patent
Search/Exam
Mar 9, 2009
Abstract
Search/Exam
Mar 9, 2009
Claims
Search/Exam
Mar 9, 2009
Description
Search/Exam
Mar 9, 2009
Designation of inventor
Search/Exam
Mar 9, 2009
Drawings
Search/Exam
Mar 9, 2009
Request for grant of a European patent
Search/Exam