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The patent EP3638589 was granted to Granitifiandre Societa PER Azioni on Apr 28, 2021. The application was filed on Jun 4, 2018 under application number EP18732910A. 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 |
|---|---|---|---|
| FLORIM CERAMICHE SOCIETA PER AZIONI SOCIETA BENEFIT | Jan 28, 2022 | MANZELLA & ASSOCIATI | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| INTERNATIONAL-SEARCH-REPORT | CN106184876 |
| INTERNATIONAL-SEARCH-REPORT | DE10147361 |
| INTERNATIONAL-SEARCH-REPORT | US5085030 |
| INTERNATIONAL-SEARCH-REPORT | WO2008038081 |
| INTERNATIONAL-SEARCH-REPORT | WO2016055876 |
| OPPOSITION | CN105035428 |
| OPPOSITION | DE10147361 |
| OPPOSITION | EP2433875 |
| OPPOSITION | US2011243707 |
| OPPOSITION | US5085030 |
| OPPOSITION | WO2016055876 |
| OPPOSITION | WO8703838 |
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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May 19, 2025
May 19, 2025
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(Electronic) Receipt
Appeal
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(Electronic) Receipt
Appeal
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Apr 5, 2024
(Electronic) Receipt
Appeal
Apr 5, 2024
Apr 5, 2024
Reply to appeal
Appeal
Apr 2, 2024
(Electronic) Receipt
Appeal
Apr 2, 2024
Apr 2, 2024
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Apr 2, 2024
Description
Appeal
Apr 2, 2024
Apr 2, 2024
Reply to appeal
Appeal
Dec 5, 2023
Dec 5, 2023
Nov 30, 2023
(Electronic) Receipt
Appeal
Nov 30, 2023
Nov 30, 2023
Nov 30, 2023
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Nov 30, 2023
Description
Appeal
Nov 30, 2023
Description
Appeal
Nov 30, 2023
Description
Appeal
Nov 30, 2023
Description
Appeal
Nov 30, 2023
Nov 30, 2023
Nov 16, 2023
(Electronic) Receipt
Appeal
Nov 16, 2023
Nov 16, 2023
Oct 13, 2023
Oct 13, 2023
Oct 10, 2023
(Electronic) Receipt
Appeal
Oct 10, 2023
Oct 10, 2023
Notice of appeal
Appeal
Sep 19, 2023
Sep 19, 2023
Sep 13, 2023
(Electronic) Receipt
Appeal
Sep 13, 2023
Sep 13, 2023
Notice of appeal
Appeal
Aug 7, 2023
Jul 31, 2023
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Means of redress
OPPO
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OPPO
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Description
OPPO
Apr 6, 2023
Description
OPPO
Apr 6, 2023
Description
OPPO
Apr 6, 2023
Description
OPPO
Apr 6, 2023
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May 12, 2021
Apr 1, 2021
Decision to grant a European patent
Search/Exam
Mar 17, 2021
(Electronic) Receipt
Search/Exam
Mar 17, 2021
Filing of the translations of the claims
Search/Exam
Mar 17, 2021
French translation of claims
Search/Exam
Mar 17, 2021
German translation of the claims
Search/Exam
Nov 24, 2020
Nov 24, 2020
Nov 24, 2020
Intention to grant (signatures)
Search/Exam
Nov 24, 2020
Text intended for grant (clean copy)
Search/Exam
Nov 24, 2020
Sep 30, 2020
Examination started
Search/Exam
Jul 10, 2020
(Electronic) Receipt
Search/Exam
Jul 10, 2020
Jul 10, 2020
Amended claims with annotations
Search/Exam
Jul 10, 2020
Amendments received before examination
Search/Exam
Jul 10, 2020
Letter accompanying subsequently filed items
Search/Exam
Mar 25, 2020
Jan 21, 2020
Jan 17, 2020
Communication to designated inventor
Search/Exam
Jan 2, 2020
Jan 2, 2020
Nov 20, 2019
(Electronic) Receipt
Search/Exam
Nov 20, 2019
Request for entry into the European phase
Search/Exam
Oct 25, 2019
Information on entry into European phase
Search/Exam
Sep 13, 2019
Sep 13, 2019
Sep 13, 2019
Sep 13, 2019
Sep 13, 2019
Jul 5, 2019
Jul 5, 2019
Jul 5, 2019
May 27, 2019
Written opinion
PCT2
May 27, 2019
May 27, 2019
May 9, 2019
Notification of election of EPO
Search/Exam
May 8, 2019
Free text
PCT2
May 8, 2019
May 2, 2019
Apr 11, 2019
Apr 8, 2019
PCT demand form
PCT2
Apr 1, 2019
Apr 1, 2019
Apr 1, 2019
Feb 20, 2019
Feb 20, 2019
Notification of the recording of a change
Search/Exam
Jan 10, 2019
Dec 20, 2018
Copy of the international search report
Search/Exam
Dec 20, 2018
Published international application - A1
Search/Exam
Jul 31, 2018
ISR: cited documents
PCTISA
Jul 30, 2018
Jul 30, 2018
Jul 30, 2018
Jul 6, 2018
Jun 27, 2018
Abstract
PCTISA
Jun 27, 2018
Annex
PCTISA
Jun 27, 2018
Annex
PCTISA
Jun 27, 2018
Claims
PCTISA
Jun 27, 2018
Description
PCTISA
Jun 27, 2018
Drawings
PCTISA
Jun 27, 2018
Jun 27, 2018
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Feb 23, 2018
Priority search results copy provided by EPO
Search/Exam