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The patent EP3205497 was granted to Topseat on Apr 11, 2018. The application was filed on Feb 21, 2012 under application number EP17159525A. 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 |
|---|---|---|---|
| ZHEJIANG HENGYUAN SANITARY WARE | Jan 7, 2019 | BUSE | - |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| OPPOSITION | CN101664289 |
| OPPOSITION | CN201631101U |
| OPPOSITION | DE102006004471 |
| OPPOSITION | DE102006007869 |
| OPPOSITION | DE1689987U |
| OPPOSITION | DE2730899 |
| OPPOSITION | DE29601540U |
| OPPOSITION | DE447023 |
| OPPOSITION | EP0704482 |
| OPPOSITION | GB2021176 |
| OPPOSITION | US1860000 |
| OPPOSITION | US2005076424 |
| OPPOSITION | US2008008885 |
| OPPOSITION | US3863277 |
| OPPOSITION | US4552792 |
| OPPOSITION | WO2004110743 |
| OPPOSITION | WO2012138425 |
| SEARCH | CN101664289 |
| SEARCH | DE102006004471 |
| SEARCH | GB2021176 |
| SEARCH | US2008008885 |
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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Apr 23, 2018
Mar 15, 2018
Decision to grant a European patent
Search/Exam
Jan 29, 2018
(Electronic) Receipt
Search/Exam
Jan 29, 2018
Filing of the translations of the claims
Search/Exam
Jan 29, 2018
French translation of claims
Search/Exam
Jan 29, 2018
German translation of the claims
Search/Exam
Jan 29, 2018
Letter accompanying subsequently filed items
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Intention to grant (signatures)
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Jan 4, 2018
Text intended for grant (clean copy)
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Nov 22, 2017
Examination started
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(Electronic) Receipt
Search/Exam
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Amended claims with annotations
Search/Exam
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Amendments received before examination
Search/Exam
Oct 24, 2017
Letter accompanying subsequently filed items
Search/Exam
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Notification of forthcoming publication
Search/Exam
Jul 12, 2017
Refund of fees
Search/Exam
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European search opinion
Search/Exam
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European search report
Search/Exam
Jul 6, 2017
Information on Search Strategy
Search/Exam
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Search started
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May 2, 2017
Communication to designated inventor
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Communication to designated inventor
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(Electronic) Receipt
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Designation of inventor
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Letter accompanying subsequently filed items
Search/Exam
Apr 6, 2017
(Electronic) Receipt
Search/Exam
Apr 6, 2017
Claims
Search/Exam
Apr 6, 2017
Letter accompanying subsequently filed items
Search/Exam
Apr 6, 2017
Matter concerning the application
Search/Exam
Apr 6, 2017
Matter concerning the application
Search/Exam
Mar 22, 2017
Deficiency in designation of inventor
Search/Exam
Mar 22, 2017
Invitation to file claims
Search/Exam
Mar 7, 2017
Abstract
Search/Exam
Mar 7, 2017
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Description
Search/Exam
Mar 7, 2017
Drawings
Search/Exam
Mar 7, 2017
Request for grant of a European patent
Search/Exam
Nov 1, 2012