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The patent EP3332044 was granted to Bluclad on Jan 1, 2020. The application was filed on Aug 4, 2016 under application number EP16767356A. 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 |
|---|---|---|---|
| COVENTYA HOLDING | Oct 1, 2020 | DOMPATENT VON KREISLER SELTING WERNER | ADMISSIBLE |
| COVENTYA HOLDING | Oct 1, 2020 | DOMPATENT VON PATENT UND RECHTSANWALTEN | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| INTERNATIONAL-SEARCH-REPORT | EP1930478 |
| INTERNATIONAL-SEARCH-REPORT | EP2799595 |
| INTERNATIONAL-SEARCH-REPORT | JPH06293990 |
| INTERNATIONAL-SEARCH-REPORT | US5972526 |
| OPPOSITION | EP2799595 |
| OPPOSITION | JPH06293990 |
| OPPOSITION | US2014055026 |
| OPPOSITION | US5972526 |
| OPPOSITION | WO2015039152 |
| OPPOSITION | WO2017021916 |
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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Means of redress
OPPO
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Non-public annex
OPPO
Feb 1, 2022
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Dec 10, 2021
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Jan 13, 2020
Dec 5, 2019
Decision to grant a European patent
Search/Exam
Nov 19, 2019
(Electronic) Receipt
Search/Exam
Nov 19, 2019
French translation of claims
Search/Exam
Nov 19, 2019
German translation of the claims
Search/Exam
Nov 19, 2019
Letter accompanying subsequently filed items
Search/Exam
Aug 13, 2019
Jul 16, 2019
(Electronic) Receipt
Search/Exam
Jul 16, 2019
Annexes in respect of a client data request
Search/Exam
Jul 16, 2019
Jul 16, 2019
Jul 16, 2019
Intention to grant (signatures)
Search/Exam
Jul 16, 2019
Letter accompanying subsequently filed items
Search/Exam
Jul 16, 2019
Jul 16, 2019
Text intended for grant (clean copy)
Search/Exam
Jul 16, 2019
May 3, 2019
(Electronic) Receipt
Search/Exam
May 3, 2019
Amended claims with annotations
Search/Exam
May 3, 2019
Amended description with annotations
Search/Exam
May 3, 2019
Claims
Search/Exam
May 3, 2019
Description
Search/Exam
May 3, 2019
Letter accompanying subsequently filed items
Search/Exam
May 3, 2019
May 3, 2019
May 3, 2019
May 3, 2019
May 3, 2019
May 3, 2019
Mar 29, 2019
Annex to the communication
Search/Exam
Mar 29, 2019
Mar 29, 2019
Mar 20, 2019
Examination started
Search/Exam
Sep 18, 2018
Aug 24, 2018
Aug 3, 2018
Observations by third parties
Search/Exam
Jul 24, 2018
Letter which had not been notified
Search/Exam
May 16, 2018
Apr 19, 2018
Apr 17, 2018
Communication to designated inventor
Search/Exam
Apr 17, 2018
Communication to designated inventor
Search/Exam
Apr 17, 2018
Communication to designated inventor
Search/Exam
Apr 12, 2018
Priority search results copy provided by EPO
Search/Exam
Mar 2, 2018
(Electronic) Receipt
Search/Exam
Mar 2, 2018
Request for entry into the European phase
Search/Exam
Feb 12, 2018
Feb 12, 2018
Feb 12, 2018
Dec 13, 2017
Information on entry into European phase
Search/Exam
Nov 6, 2017
Nov 6, 2017
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Jul 18, 2017
Jul 18, 2017
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Jun 29, 2017
Written opinion
PCT2
Jun 29, 2017
Jun 29, 2017
Jun 26, 2017
Notification of election of EPO
Search/Exam
Jun 13, 2017
Jun 6, 2017
May 29, 2017
PCT demand form
PCT2
May 29, 2017
May 29, 2017
May 29, 2017
May 29, 2017
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Mar 16, 2017
Copy of the international search report
Search/Exam
Mar 16, 2017
Feb 28, 2017
Feb 9, 2017
Published international application - A2
Search/Exam
Jan 20, 2017
ISR: cited documents
PCTISA
Jan 19, 2017
Jan 19, 2017
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Nov 21, 2016
Oct 28, 2016
Oct 25, 2016
Annex
PCTISA
Oct 4, 2016
Sep 7, 2016
Abstract
PCTISA
Sep 7, 2016
Annex
PCTISA
Sep 7, 2016
Claims
PCTISA
Sep 7, 2016
Description
PCTISA
Sep 7, 2016
Sep 7, 2016
Sep 7, 2016
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Sep 7, 2016