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The patent EP3717314 was granted to Washtec Holding on Aug 11, 2021. The application was filed on Nov 26, 2018 under application number EP18811204A. 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 | May 11, 2022 | 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 |
|---|---|
| INTERNATIONAL-SEARCH-REPORT | DE102016101481 |
| INTERNATIONAL-SEARCH-REPORT | US2003233153 |
| OPPOSITION | DE102016101481 |
| 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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Decision to grant a European patent
Search/Exam
Jun 30, 2021
(Electronic) Receipt
Search/Exam
Jun 30, 2021
English translation of the claims
Search/Exam
Jun 30, 2021
Filing of the translations of the claims
Search/Exam
Jun 30, 2021
French translation of claims
Search/Exam
Jun 18, 2021
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(Electronic) Receipt
Search/Exam
Jun 14, 2021
Submission concerning representation
Search/Exam
Jun 4, 2021
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Intention to grant (signatures)
Search/Exam
Jun 4, 2021
Text intended for grant (clean copy)
Search/Exam
Jun 4, 2021
May 19, 2021
Examination started
Search/Exam
Oct 26, 2020
(Electronic) Receipt
Search/Exam
Oct 26, 2020
Letter accompanying subsequently filed items
Search/Exam
Oct 26, 2020
Priority search results
Search/Exam
Oct 23, 2020
(Electronic) Receipt
Search/Exam
Oct 23, 2020
Letter accompanying subsequently filed items
Search/Exam
Oct 23, 2020
Reply to Written Opinion prepared by the EPO
Search/Exam
Sep 9, 2020
Aug 24, 2020
(Electronic) Receipt
Search/Exam
Aug 24, 2020
Letter concerning the inventor
Search/Exam
Jul 30, 2020
Jul 22, 2020
Letter which had not been notified
Search/Exam
Jul 7, 2020
Jul 3, 2020
Communication to designated inventor
Search/Exam
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Communication to designated inventor
Search/Exam
Jul 3, 2020
Communication to designated inventor
Search/Exam
Jun 17, 2020
May 25, 2020
(Electronic) Receipt
Search/Exam
May 25, 2020
Request for entry into the European phase
Search/Exam
Apr 3, 2020
Information on entry into European phase
Search/Exam
Dec 26, 2019
Submission concerning representation
Search/Exam
Jun 17, 2019
May 31, 2019
Copy of the international search report
Search/Exam
May 31, 2019
Copy of the international search report
Search/Exam
May 31, 2019
Published international application - A1
Search/Exam
Feb 11, 2019
(Electronic) Receipt
PCTRO
Feb 11, 2019
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(Electronic) Receipt
PCTRO
Nov 26, 2018
Abstract
PCTRO
Nov 26, 2018
Claims
PCTRO
Nov 26, 2018
Description
PCTRO
Nov 26, 2018
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Drawings
PCTRO
Nov 26, 2018