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The patent EP3630654 was granted to Granitifiandre Societa PER Azioni on Jul 20, 2022. The application was filed on Apr 23, 2018 under application number EP18720378A. 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 |
|---|---|---|---|
| E GROUP | Sep 1, 2022 | FELTRINELLI | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| EXAMINATION | EP2191744 |
| EXAMINATION | US2639050 |
| INTERNATIONAL-SEARCH-REPORT | US3151754 |
| INTERNATIONAL-SEARCH-REPORT | US3269565 |
| INTERNATIONAL-SEARCH-REPORT | US4571141 |
| OPPOSITION | DE9313213U |
| OPPOSITION | EP0007789 |
| OPPOSITION | EP0061514 |
| OPPOSITION | EP0185816 |
| OPPOSITION | EP1245171 |
| OPPOSITION | EP2191744 |
| OPPOSITION | FR2495797 |
| OPPOSITION | GB1153414 |
| OPPOSITION | GB2214413 |
| OPPOSITION | GB2336838 |
| OPPOSITION | IT8047793 |
| OPPOSITION | ITUB20155802 |
| OPPOSITION | JPH0733398 |
| OPPOSITION | US2639050 |
| OPPOSITION | US3151754 |
| OPPOSITION | US3269565 |
| OPPOSITION | US4571141 |
| OPPOSITION | US4595331 |
| OTHER | DE9313213U |
| OTHER | EP0007789 |
| OTHER | EP0061514 |
| OTHER | EP0185816 |
| OTHER | EP1245171 |
| OTHER | EP2191744 |
| OTHER | FR2495797 |
| OTHER | GB1153414 |
| OTHER | GB2336838 |
| OTHER | IT1167606 |
| OTHER | US2639050 |
| OTHER | US3151754 |
| OTHER | US3269565 |
| OTHER | US4571141 |
| OTHER | US4595331 |
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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Nov 26, 2025
Nov 21, 2025
(Electronic) Receipt
Appeal
Nov 21, 2025
Nov 21, 2025
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Sep 22, 2025
(Electronic) Receipt
Appeal
Sep 22, 2025
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Reply to appeal
Appeal
May 20, 2025
May 14, 2025
(Electronic) Receipt
Appeal
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Description
Appeal
May 14, 2025
Description
Appeal
May 14, 2025
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Appeal
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Description
Appeal
May 14, 2025
Description
Appeal
May 14, 2025
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Appeal
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Appeal
May 14, 2025
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Appeal
May 14, 2025
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Appeal
May 14, 2025
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Appeal
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Appeal
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(Electronic) Receipt
Appeal
Mar 13, 2025
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Notice of appeal
Appeal
Jan 15, 2025
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Means of redress
OPPO
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OPPO
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OPPO
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OPPO
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OPPO
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OPPO
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OPPO
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OPPO
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Jun 23, 2022
Decision to grant a European patent
Search/Exam
Jun 9, 2022
(Electronic) Receipt
Search/Exam
Jun 9, 2022
Filing of the translations of the claims
Search/Exam
Jun 9, 2022
French translation of claims
Search/Exam
Jun 9, 2022
German translation of the claims
Search/Exam
Feb 14, 2022
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Intention to grant (signatures)
Search/Exam
Feb 14, 2022
Text intended for grant (clean copy)
Search/Exam
Feb 14, 2022
Dec 15, 2021
Annex to a communication
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Dec 15, 2021
Annex to the communication
Search/Exam
Dec 15, 2021
Consultation by telephone/in person
Search/Exam
Dec 15, 2021
Nov 8, 2021
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Nov 2, 2021
(Electronic) Receipt
Search/Exam
Nov 2, 2021
Letter accompanying subsequently filed items
Search/Exam
Nov 2, 2021
Observations by third parties
Search/Exam
Sep 20, 2021
(Electronic) Receipt
Search/Exam
Sep 20, 2021
Letter accompanying subsequently filed items
Search/Exam
Sep 20, 2021
Aug 12, 2021
Aug 6, 2021
(Electronic) Receipt
Search/Exam
Aug 6, 2021
Apr 22, 2021
Annex to the communication
Search/Exam
Apr 22, 2021
Communication from the Examining Division
Search/Exam
Apr 14, 2021
Examination started
Search/Exam
Mar 4, 2021
Feb 26, 2021
(Electronic) Receipt
Search/Exam
Feb 26, 2021
Letter accompanying subsequently filed items
Search/Exam
Feb 26, 2021
Observations by third parties
Search/Exam
Feb 26, 2021
Patent document filed by a Third party
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Jan 19, 2021
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Jan 12, 2021
(Electronic) Receipt
Search/Exam
Jan 12, 2021
Letter accompanying subsequently filed items
Search/Exam
Jan 12, 2021
Non-patent literature filed by a third party
Search/Exam
Jan 12, 2021
Observations by third parties
Search/Exam
Jan 12, 2021
Patent document filed by a Third party
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Jan 12, 2021
Patent document filed by a Third party
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Jan 12, 2021
Patent document filed by a Third party
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Patent document filed by a Third party
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Jan 12, 2021
Patent document filed by a Third party
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Patent document filed by a Third party
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Patent document filed by a Third party
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Patent document filed by a Third party
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Patent document filed by a Third party
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Patent document filed by a Third party
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Jan 12, 2021
Patent document filed by a Third party
Search/Exam
Jan 12, 2021
Patent document filed by a Third party
Search/Exam
Jan 12, 2021
Patent document filed by a Third party
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Jan 12, 2021
Patent document filed by a Third party
Search/Exam
Jan 12, 2021
Patent document filed by a Third party
Search/Exam
Jul 8, 2020
(Electronic) Receipt
Search/Exam
Jul 8, 2020
Jul 8, 2020
Amended claims with annotations
Search/Exam
Jul 8, 2020
Jul 8, 2020
Amendments received before examination
Search/Exam
Jul 8, 2020
Letter accompanying subsequently filed items
Search/Exam
Mar 11, 2020
Jan 13, 2020
Jan 9, 2020
Communication to designated inventor
Search/Exam
Dec 18, 2019
(Electronic) Receipt
Search/Exam
Dec 18, 2019
Request for entry into the European phase
Search/Exam
Dec 13, 2019
Oct 11, 2019
Information on entry into European phase
Search/Exam
Aug 26, 2019
Aug 26, 2019
Aug 26, 2019
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Jun 17, 2019
Apr 29, 2019
Notification of election of EPO
Search/Exam
Apr 25, 2019
Written opinion
PCT2
Apr 25, 2019
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Apr 1, 2019
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PCT demand form
PCT2
Mar 25, 2019
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Feb 20, 2019
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Notification of the recording of a change
Search/Exam
Jan 9, 2019
Dec 6, 2018
Copy of the international search report
Search/Exam
Dec 6, 2018
Published international application - A1
Search/Exam
Jun 13, 2018
ISR: cited documents
PCTISA
Jun 11, 2018
Jun 11, 2018
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May 14, 2018
May 3, 2018
Abstract
PCTISA
May 3, 2018
Annex
PCTISA
May 3, 2018
Annex
PCTISA
May 3, 2018
Claims
PCTISA
May 3, 2018
Description
PCTISA
May 3, 2018
Drawings
PCTISA
May 3, 2018
May 3, 2018
May 3, 2018
May 3, 2018
Feb 12, 2018
Priority search results copy provided by EPO
Search/Exam