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The patent EP3789579 was granted to Sandvik Mining And Construction on Jan 11, 2023. The application was filed on Sep 5, 2019 under application number EP19195649A. 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 |
|---|---|---|---|
| EPIROC ROCK DRILLS AKTIEBOLAG | Oct 11, 2023 | EHRNER & DELMAR PATENTBYRA | ADMISSIBLE |
| EPIROC ROCK DRILLS AKTIEBOLAG | Oct 11, 2023 | EPIROC ROCK DRILLS | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| OPPOSITION | WO03048524 |
| SEARCH | WO03048524 |
| SEARCH | WO2007000488 |
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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Dec 23, 2025
Dec 19, 2025
(Electronic) Receipt
Appeal
Dec 19, 2025
Dec 19, 2025
Reply to appeal
Appeal
Dec 19, 2025
Reply to appeal
Appeal
Oct 15, 2025
Oct 15, 2025
Oct 10, 2025
Sep 17, 2025
Sep 17, 2025
Sep 12, 2025
(Electronic) Receipt
Appeal
Sep 12, 2025
Sep 12, 2025
Sep 2, 2025
Aug 28, 2025
(Electronic) Receipt
Appeal
Aug 28, 2025
Aug 28, 2025
Aug 28, 2025
Aug 28, 2025
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Aug 28, 2025
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Aug 28, 2025
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Aug 28, 2025
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Jul 3, 2025
Jul 3, 2025
Jun 27, 2025
(Electronic) Receipt
Appeal
Jun 27, 2025
Notice of appeal
Appeal
May 12, 2025
May 12, 2025
May 12, 2025
May 12, 2025
May 12, 2025
May 12, 2025
May 12, 2025
May 12, 2025
May 12, 2025
Means of redress
OPPO
May 12, 2025
May 12, 2025
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Apr 10, 2025
Apr 4, 2025
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Feb 6, 2025
Feb 5, 2025
Feb 5, 2025
Feb 5, 2025
Sep 9, 2024
Sep 9, 2024
Authorisation
OPPO
Sep 9, 2024
Sep 9, 2024
Aug 21, 2024
Aug 21, 2024
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Aug 16, 2024
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Authorisation
OPPO
Jun 18, 2024
Jun 18, 2024
Mar 4, 2024
Mar 1, 2024
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Mar 1, 2024
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Mar 1, 2024
Mar 1, 2024
Mar 1, 2024
Oct 25, 2023
Oct 25, 2023
Oct 19, 2023
Oct 11, 2023
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Jan 24, 2023
Dec 15, 2022
Decision to grant a European patent
Search/Exam
Dec 1, 2022
(Electronic) Receipt
Search/Exam
Dec 1, 2022
Filing of the translations of the claims
Search/Exam
Dec 1, 2022
French translation of claims
Search/Exam
Dec 1, 2022
German translation of the claims
Search/Exam
Dec 1, 2022
Letter accompanying subsequently filed items
Search/Exam
Aug 10, 2022
Aug 10, 2022
Aug 10, 2022
Intention to grant (signatures)
Search/Exam
Aug 10, 2022
Text intended for grant (clean copy)
Search/Exam
Aug 10, 2022
Jul 13, 2022
Examination started
Search/Exam
Sep 1, 2021
(Electronic) Receipt
Search/Exam
Sep 1, 2021
Sep 1, 2021
Amended claims with annotations
Search/Exam
Sep 1, 2021
Sep 1, 2021
Amended description with annotations
Search/Exam
Sep 1, 2021
Amendments received before examination
Search/Exam
Sep 1, 2021
Letter accompanying subsequently filed items
Search/Exam
Mar 15, 2021
Feb 10, 2021
Notification of forthcoming publication
Search/Exam
Feb 19, 2020
Feb 19, 2020
European search opinion
Search/Exam
Feb 19, 2020
European search report
Search/Exam
Feb 19, 2020
Information on Search Strategy
Search/Exam
Feb 4, 2020
Search started
Search/Exam
Nov 29, 2019
Communication to designated inventor
Search/Exam
Nov 29, 2019
Communication to designated inventor
Search/Exam
Sep 5, 2019
Abstract
Search/Exam
Sep 5, 2019
Sep 5, 2019
Claims
Search/Exam
Sep 5, 2019
Description
Search/Exam
Sep 5, 2019
Designation of inventor
Search/Exam
Sep 5, 2019
Drawings
Search/Exam
Sep 5, 2019
Request for grant of a European patent
Search/Exam