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The patent EP3408147 was granted to Washtec Holding on Jan 22, 2020. The application was filed on Jan 25, 2017 under application number EP17701329A. 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 |
|---|---|---|---|
| OTTO CHRIST | Oct 22, 2020 | ERNICKE PATENT UND RECHTSANWALTE PARTMBB | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | WO03070531 |
| INTERNATIONAL-SEARCH-REPORT | EP1705087 |
| INTERNATIONAL-SEARCH-REPORT | EP2428415 |
| INTERNATIONAL-SEARCH-REPORT | WO03070531 |
| OPPOSITION | DE3914438 |
| OPPOSITION | EP1705087 |
| OPPOSITION | EP1806265 |
| OPPOSITION | EP2428415 |
| OPPOSITION | US2005234569 |
| OPPOSITION | US6277207 |
| OPPOSITION | US6718216 |
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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OPPO
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OPPO
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Payment submission rejected
Search/Exam
Jan 15, 2020
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Decision to grant a European patent
Search/Exam
Dec 26, 2019
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(Electronic) Receipt
Search/Exam
Dec 11, 2019
English translation of the claims
Search/Exam
Dec 11, 2019
Filing of the translations of the claims
Search/Exam
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French translation of claims
Search/Exam
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Intention to grant (signatures)
Search/Exam
Sep 13, 2019
Text intended for grant (clean copy)
Search/Exam
Sep 13, 2019
Aug 27, 2019
Examination started
Search/Exam
May 8, 2019
(Electronic) Receipt
Search/Exam
May 8, 2019
Priority search results
Search/Exam
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(Electronic) Receipt
Search/Exam
Mar 4, 2019
Letter accompanying subsequently filed items
Search/Exam
Mar 4, 2019
Reply to Written Opinion prepared by the EPO
Search/Exam
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Communication to designated inventor
Search/Exam
Aug 31, 2018
Communication to designated inventor
Search/Exam
Aug 22, 2018
Refund order of filing/examination fee
Search/Exam
Aug 13, 2018
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(Electronic) Receipt
Search/Exam
Jul 25, 2018
Annex
Search/Exam
Jul 25, 2018
Request for entry into the European phase
Search/Exam
Jun 8, 2018
Information on entry into European phase
Search/Exam
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Written opinion
PCT2
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Notification of election of EPO
Search/Exam
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PCT demand form
PCT2
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Copy of the international search report
Search/Exam
Aug 3, 2017
Copy of the international search report
Search/Exam
Aug 3, 2017
Published international application - A1
Search/Exam
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(Electronic) Receipt
PCTRO
Jan 25, 2017
Abstract
PCTRO
Jan 25, 2017
Claims
PCTRO
Jan 25, 2017
Description
PCTRO
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Drawings
PCTRO
Jan 25, 2017