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The patent EP3790429 was granted to Leonardo on Dec 13, 2023. The application was filed on Jul 29, 2020 under application number EP20757408A. 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 |
|---|---|---|---|
| EFFEGI BREVETTI | Sep 11, 2024 | PETRUZZIELLO | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| EXAMINATION | EP3436710 |
| EXAMINATION | EP3944732 |
| EXAMINATION | ES2313856 |
| EXAMINATION | SE430708 |
| EXAMINATION | WO2015158622 |
| INTERNATIONAL-SEARCH-REPORT | DE3138530 |
| INTERNATIONAL-SEARCH-REPORT | EP2609833 |
| INTERNATIONAL-SEARCH-REPORT | US5743670 |
| INTERNATIONAL-SEARCH-REPORT | WO2008076089 |
| OPPOSITION | DE3138530 |
| OPPOSITION | EP0930436 |
| OPPOSITION | EP1228721 |
| OPPOSITION | EP2609833 |
| OPPOSITION | ES2313856 |
| OPPOSITION | ITMI20030052U |
| OPPOSITION | SE430708 |
| OPPOSITION | US5743670 |
| OPPOSITION | WO2008076089 |
| OPPOSITION | WO2015158622 |
| OPPOSITION | WO2017167661 |
| OTHER | EP3436710 |
| OTHER | EP3790429 |
| OTHER | WO2015158622 |
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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Authorisation
OPPO
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Nov 16, 2023
Decision to grant a European patent
Search/Exam
Nov 7, 2023
(Electronic) Receipt
Search/Exam
Nov 7, 2023
Filing of the translations of the claims
Search/Exam
Nov 7, 2023
French translation of claims
Search/Exam
Nov 7, 2023
German translation of the claims
Search/Exam
Oct 24, 2023
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Intention to grant (signatures)
Search/Exam
Oct 24, 2023
Text intended for grant (clean copy)
Search/Exam
Oct 24, 2023
Aug 14, 2023
Decision to allow further processing
Search/Exam
Aug 4, 2023
(Electronic) Receipt
Search/Exam
Aug 4, 2023
Amended claims with annotations
Search/Exam
Aug 4, 2023
Amended description with annotations
Search/Exam
Aug 4, 2023
Claims
Search/Exam
Aug 4, 2023
Description
Search/Exam
Aug 4, 2023
Letter accompanying subsequently filed items
Search/Exam
Aug 4, 2023
Aug 4, 2023
Request for further processing
Search/Exam
Jun 30, 2023
Mar 13, 2023
Mar 7, 2023
(Electronic) Receipt
Search/Exam
Mar 7, 2023
Letter accompanying subsequently filed items
Search/Exam
Mar 7, 2023
Nov 29, 2022
Annex to the communication
Search/Exam
Nov 29, 2022
Communication from the Examining Division
Search/Exam
Nov 14, 2022
Nov 10, 2022
Nov 9, 2022
(Electronic) Receipt
Search/Exam
Nov 9, 2022
Citation filed by a third party
Search/Exam
Nov 9, 2022
Citation filed by a third party
Search/Exam
Nov 9, 2022
Letter accompanying subsequently filed items
Search/Exam
Nov 4, 2022
Observations by third parties
Search/Exam
Nov 4, 2022
Observations by third parties
Search/Exam
Sep 7, 2022
Decision to allow further processing
Search/Exam
Aug 26, 2022
(Electronic) Receipt
Search/Exam
Aug 26, 2022
Amended claims with annotations
Search/Exam
Aug 26, 2022
Claims
Search/Exam
Aug 26, 2022
Letter accompanying subsequently filed items
Search/Exam
Aug 26, 2022
Aug 26, 2022
Request for further processing
Search/Exam
Jun 29, 2022
Mar 25, 2022
Mar 21, 2022
(Electronic) Receipt
Search/Exam
Mar 21, 2022
Letter accompanying subsequently filed items
Search/Exam
Mar 21, 2022
Feb 14, 2022
Nov 25, 2021
Annex to the communication
Search/Exam
Nov 25, 2021
Communication from the Examining Division
Search/Exam
Nov 19, 2021
Examination started
Search/Exam
Sep 20, 2021
Sep 20, 2021
Sep 13, 2021
Observations by third parties
Search/Exam
Sep 13, 2021
Observations by third parties
Search/Exam
May 10, 2021
(Electronic) Receipt
Search/Exam
May 10, 2021
May 10, 2021
Amended claims with annotations
Search/Exam
May 10, 2021
Amendments received before examination
Search/Exam
May 10, 2021
Letter accompanying subsequently filed items
Search/Exam
Feb 22, 2021
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Feb 17, 2021
Feb 4, 2021
Copy of the international search report
Search/Exam
Feb 4, 2021
Published international application - A1
Search/Exam
Nov 16, 2020
Nov 13, 2020
Communication to designated inventor
Search/Exam
Nov 12, 2020
Nov 3, 2020
(Electronic) Receipt
Search/Exam
Nov 3, 2020
Request for entry into the European phase
Search/Exam
Sep 10, 2020
ISR: cited documents
PCTISA
Sep 10, 2020
Sep 10, 2020
Sep 10, 2020
Aug 28, 2020
Aug 20, 2020
Abstract
PCTISA
Aug 20, 2020
Claims
PCTISA
Aug 20, 2020
Description
PCTISA
Aug 20, 2020
Drawings
PCTISA
Aug 20, 2020
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Priority search results copy provided by EPO
Search/Exam