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The patent EP3408146 was granted to Washtec Holding on Jan 22, 2020. The application was filed on Jan 25, 2017 under application number EP17701330A. 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 |
|---|---|---|---|
| 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 | DE69812064T |
| DESCRIPTION | US2008235614 |
| DESCRIPTION | WO02099579 |
| INTERNATIONAL-SEARCH-REPORT | DE69812064T |
| INTERNATIONAL-SEARCH-REPORT | US2008235614 |
| INTERNATIONAL-SEARCH-REPORT | US4848384 |
| INTERNATIONAL-SEARCH-REPORT | US5381962 |
| INTERNATIONAL-SEARCH-REPORT | US6125860 |
| INTERNATIONAL-SEARCH-REPORT | WO02099579 |
| OPPOSITION | DE202007000532U |
| OPPOSITION | DE69812064T |
| OPPOSITION | US2004159342 |
| OPPOSITION | US2004220817 |
| OPPOSITION | US2005234569 |
| OPPOSITION | US2008235614 |
| OPPOSITION | US2010219039 |
| OPPOSITION | US4848384 |
| OPPOSITION | US5381962 |
| OPPOSITION | US6125860 |
| OPPOSITION | WO02099579 |
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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OPPO
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Description
OPPO
Jan 15, 2025
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(Electronic) Receipt
Appeal
Apr 25, 2024
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Mar 1, 2024
(Electronic) Receipt
Appeal
Mar 1, 2024
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(Electronic) Receipt
Appeal
May 15, 2023
May 15, 2023
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May 15, 2023
Reply to appeal
Appeal
May 10, 2023
May 3, 2023
(Electronic) Receipt
Appeal
May 3, 2023
May 3, 2023
Reply to appeal
Appeal
Jan 4, 2023
Jan 4, 2023
Dec 22, 2022
(Electronic) Receipt
Appeal
Dec 22, 2022
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(Electronic) Receipt
Appeal
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Oct 24, 2022
(Electronic) Receipt
Appeal
Oct 24, 2022
Oct 24, 2022
Notice of appeal
Appeal
Oct 20, 2022
(Electronic) Receipt
Appeal
Oct 20, 2022
Oct 20, 2022
Notice of appeal
Appeal
Aug 29, 2022
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OPPO
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Description
OPPO
Jun 10, 2022
Description
OPPO
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Authorisation
OPPO
Dec 11, 2020
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Payment submission rejected
Search/Exam
Jan 15, 2020
Jan 8, 2020
Decision to grant a European patent
Search/Exam
Dec 26, 2019
Dec 11, 2019
(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
Dec 11, 2019
French translation of claims
Search/Exam
Sep 16, 2019
Sep 16, 2019
Sep 16, 2019
Intention to grant (signatures)
Search/Exam
Sep 16, 2019
Text intended for grant (clean copy)
Search/Exam
Sep 16, 2019
Aug 23, 2019
Examination started
Search/Exam
May 8, 2019
(Electronic) Receipt
Search/Exam
May 8, 2019
Letter accompanying subsequently filed items
Search/Exam
May 8, 2019
Priority search results
Search/Exam
Apr 24, 2019
Mar 4, 2019
(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
Nov 7, 2018
Sep 4, 2018
Aug 31, 2018
Communication to designated inventor
Search/Exam
Aug 16, 2018
Refund order of filing/examination fee
Search/Exam
Aug 13, 2018
Jul 25, 2018
(Electronic) Receipt
Search/Exam
Jul 25, 2018
Jul 25, 2018
Amended claims with annotations
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
Feb 8, 2018
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Jan 3, 2018
Notification of election of EPO
Search/Exam
Dec 5, 2017
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Nov 27, 2017
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PCT demand form
PCT2
Nov 27, 2017
Aug 23, 2017
Aug 3, 2017
Copy of the international search report
Search/Exam
Aug 3, 2017
Copy of the international search report
Search/Exam
Aug 3, 2017
Aug 3, 2017
Published international application - A1
Search/Exam
Aug 3, 2017
Apr 5, 2017
Apr 5, 2017
Apr 5, 2017
Feb 6, 2017
Feb 1, 2017
Jan 25, 2017
(Electronic) Receipt
PCTRO
Jan 25, 2017
Abstract
PCTRO
Jan 25, 2017
Claims
PCTRO
Jan 25, 2017
Description
PCTRO
Jan 25, 2017
Jan 25, 2017
Drawings
PCTRO
Jan 25, 2017