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The patent EP3852554 was granted to Comas Costruzioni Macchine Speciali on Jun 12, 2024. The application was filed on Sep 12, 2019 under application number EP19783692A. 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 |
|---|---|---|---|
| KORBER | Mar 12, 2025 | BARON TOALDO | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| INTERNATIONAL-SEARCH-REPORT | EP3075266 |
| INTERNATIONAL-SEARCH-REPORT | WO2016067226 |
| OPPOSITION | DE1532042 |
| OPPOSITION | EP3032958 |
| OPPOSITION | EP3075266 |
| OPPOSITION | US2021244069 |
| OPPOSITION | US2708175 |
| OPPOSITION | US2845933 |
| OPPOSITION | US3009835 |
| OPPOSITION | US3424170 |
| OPPOSITION | US4164948 |
| OPPOSITION | US5584306 |
| OPPOSITION | US7861728 |
| OPPOSITION | WO2016050469 |
| OPPOSITION | WO2017089545 |
| OPPOSITION | WO2019157576 |
| OTHER | EP3075266 |
| OTHER | US2769734 |
| OTHER | US5584306 |
| OTHER | WO2016050469 |
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 16, 2024
Decision to grant a European patent
Search/Exam
May 7, 2024
(Electronic) Receipt
Search/Exam
May 7, 2024
French translation of claims
Search/Exam
May 7, 2024
German translation of the claims
Search/Exam
May 7, 2024
Letter accompanying subsequently filed items
Search/Exam
Mar 25, 2024
Mar 22, 2024
Mar 18, 2024
Non-patent literature filed by a third party
Search/Exam
Mar 18, 2024
Non-patent literature filed by a third party
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Mar 18, 2024
Non-patent literature filed by a third party
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Mar 18, 2024
Non-patent literature filed by a third party
Search/Exam
Mar 18, 2024
Non-patent literature filed by a third party
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Mar 18, 2024
Observations by third parties
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Jan 17, 2024
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Intention to grant (signatures)
Search/Exam
Jan 17, 2024
Text intended for grant (clean copy)
Search/Exam
Jan 17, 2024
Dec 6, 2023
Dec 6, 2023
Nov 27, 2023
Authorisation
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Nov 27, 2023
Letter accompanying subsequently filed items
Search/Exam
Nov 27, 2023
Oct 18, 2023
Aug 17, 2023
Aug 9, 2023
(Electronic) Receipt
Search/Exam
Aug 9, 2023
Authorisation
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Aug 9, 2023
Letter accompanying subsequently filed items
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Aug 9, 2023
Jul 15, 2022
(Electronic) Receipt
Search/Exam
Jul 15, 2022
Amended claims with annotations
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Jul 15, 2022
Amended description with annotations
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Jul 15, 2022
Claims
Search/Exam
Jul 15, 2022
Description
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Jul 15, 2022
Letter accompanying subsequently filed items
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Jul 15, 2022
Apr 13, 2022
Annex to the communication
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Apr 13, 2022
Communication from the Examining Division
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Apr 6, 2022
Examination started
Search/Exam
Jun 30, 2021
Apr 28, 2021
Apr 14, 2021
(Electronic) Receipt
Search/Exam
Apr 14, 2021
Apr 14, 2021
Amended claims with annotations
Search/Exam
Apr 14, 2021
Amendments received before examination
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Apr 14, 2021
General authorisation
Search/Exam
Apr 14, 2021
Request for entry into the European phase
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Mar 22, 2021
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Feb 11, 2021
Feb 11, 2021
Notification of the recording of a change
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Jan 29, 2021
Information on entry into European phase
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Sep 22, 2020
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Aug 13, 2020
Notification of election of EPO
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Jul 31, 2020
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PCT demand form
PCT2
Jul 15, 2020
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Mar 26, 2020
Copy of the international search report
Search/Exam
Mar 26, 2020
Published international application - A1
Search/Exam
Dec 13, 2019
ISR: cited documents
PCTISA
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Oct 12, 2019
Abstract
PCTISA
Oct 12, 2019
Claims
PCTISA
Oct 12, 2019
Description
PCTISA
Oct 12, 2019
Drawings
PCTISA
Oct 12, 2019
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