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The patent EP3214226 was granted to Weyres on Sep 11, 2019. The application was filed on Feb 1, 2013 under application number EP17166530A. The patent is currently recorded with a legal status of "Granted And Under Opposition".

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 |
|---|---|---|---|
| HYDROTECHNIK LUBECK | May 25, 2020 | HAMEL | ADMISSIBLE |
| HYDROTECHNIK LUBECK | May 25, 2020 | HEMMER LINDFELD FRESE | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | DE102004043128 |
| OPPOSITION | AU2978667 |
| OPPOSITION | DE102004043128 |
| OPPOSITION | DE3337344 |
| OPPOSITION | DE3532511 |
| OPPOSITION | DE8417513U |
| OPPOSITION | EP0500723 |
| SEARCH | DE102004043128 |
| SEARCH | DE8417513U |
| SEARCH | EP0500723 |
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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Refund of fees
Search/Exam
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(Electronic) Receipt
Appeal
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(Electronic) Receipt
Appeal
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Appeal
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(Electronic) Receipt
Appeal
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Appeal
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Appeal
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Authorisation
Appeal
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(Electronic) Receipt
Appeal
Aug 25, 2023
Aug 25, 2023
Reply to appeal
Appeal
Jul 20, 2023
Jul 7, 2023
(Electronic) Receipt
Appeal
Jul 7, 2023
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Jun 23, 2023
Refund of fees
Search/Exam
Jun 9, 2023
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(Electronic) Receipt
Appeal
Jun 6, 2023
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(Electronic) Receipt
Appeal
May 17, 2023
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Notice of appeal
Appeal
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Means of redress
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OPPO
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OPPO
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OPPO
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OPPO
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Sep 23, 2019
Aug 16, 2019
Decision to grant a European patent
Search/Exam
Aug 5, 2019
(Electronic) Receipt
Search/Exam
Aug 5, 2019
English translation of the claims
Search/Exam
Aug 5, 2019
Filing of the translations of the claims
Search/Exam
Aug 5, 2019
French translation of claims
Search/Exam
Aug 5, 2019
Letter accompanying subsequently filed items
Search/Exam
Aug 2, 2019
Aug 2, 2019
Aug 2, 2019
Intention to grant (signatures)
Search/Exam
Aug 2, 2019
Text intended for grant (clean copy)
Search/Exam
Aug 2, 2019
Jun 14, 2019
(Electronic) Receipt
Search/Exam
Jun 14, 2019
Letter accompanying subsequently filed items
Search/Exam
Jun 14, 2019
May 31, 2019
Annex to the communication
Search/Exam
May 31, 2019
Communication from the Examining Division
Search/Exam
Apr 25, 2019
(Electronic) Receipt
Search/Exam
Apr 25, 2019
Amended claims with annotations
Search/Exam
Apr 25, 2019
Amended description with annotations
Search/Exam
Apr 25, 2019
Claims
Search/Exam
Apr 25, 2019
Description
Search/Exam
Apr 25, 2019
Letter accompanying subsequently filed items
Search/Exam
Apr 25, 2019
Mar 1, 2019
Annex to the communication
Search/Exam
Mar 1, 2019
Communication from the Examining Division
Search/Exam
Jul 5, 2018
(Electronic) Receipt
Search/Exam
Jul 5, 2018
Letter accompanying subsequently filed items
Search/Exam
Jul 5, 2018
Mar 5, 2018
Annex to the communication
Search/Exam
Mar 5, 2018
Communication from the Examining Division
Search/Exam
Jan 8, 2018
Examination started
Search/Exam
Sep 15, 2017
(Electronic) Receipt
Search/Exam
Sep 15, 2017
Letter accompanying subsequently filed items
Search/Exam
Sep 15, 2017
Written request for examination
Search/Exam
Sep 11, 2017
Aug 9, 2017
Notification of forthcoming publication
Search/Exam
Jul 26, 2017
Refund of fees
Search/Exam
Jul 11, 2017
Jul 11, 2017
European search opinion
Search/Exam
Jul 11, 2017
European search report
Search/Exam
Jul 11, 2017
Information on Search Strategy
Search/Exam
Jun 29, 2017
Search started
Search/Exam
Apr 13, 2017
Abstract
Search/Exam
Apr 13, 2017
Apr 13, 2017
Claims
Search/Exam
Apr 13, 2017
Description
Search/Exam
Apr 13, 2017
Designation of inventor
Search/Exam
Apr 13, 2017
Drawings
Search/Exam
Apr 13, 2017
Priority search results
Search/Exam
Apr 13, 2017
Feb 18, 2013
Priority document
Search/Exam