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The patent EP3953541 was granted to Viking ARM on Nov 8, 2023. The application was filed on Apr 8, 2020 under application number EP20786234A. The patent is currently recorded with a legal status of "Granted And Under Opposition".
Latest UPC cases involving this patent.
| Case Number | Filing Date | Plaintiff | Proceeding Type |
|---|---|---|---|
| UPC_CFI_452/2024 | Aug 2, 2024 | Stanley Black & Decker, Stanley Black & Decker Deutschland | Counter Claim For Revocation |
| UPC_CFI_172/2024 | Apr 16, 2024 | Viking ARM | Infringement |

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 |
|---|---|---|---|
| STANLEY BLACK & DECKER | Apr 8, 2024 | SBD IPADMIN | WITHDRAWN |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | DE10127718 |
| DESCRIPTION | GB2416528 |
| DESCRIPTION | JP4206503B |
| DESCRIPTION | US2012266428 |
| DESCRIPTION | US4009804 |
| DESCRIPTION | US5622355 |
| INTERNATIONAL-SEARCH-REPORT | DE2002246 |
| INTERNATIONAL-SEARCH-REPORT | GB501554 |
| INTERNATIONAL-SEARCH-REPORT | GB732528 |
| INTERNATIONAL-SEARCH-REPORT | US2820608 |
| OPPOSITION | DE7004678U |
| OPPOSITION | US2014319437 |
| OPPOSITION | US2820608 |
| OPPOSITION | WO0014007 |
| SEARCH | DE10127718 |
| SEARCH | GB2416528 |
| SEARCH | JP4206503B |
| SEARCH | US2012266428 |
| SEARCH | US5622355 |
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 17, 2025
Dec 17, 2025
Dec 10, 2025
Refund of fees
Appeal
Dec 9, 2025
Dec 5, 2025
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Dec 1, 2025
Nov 24, 2025
(Electronic) Receipt
Appeal
Nov 24, 2025
Nov 24, 2025
Withdrawal of an appeal
Appeal
Sep 24, 2025
(Electronic) Receipt
Appeal
Sep 24, 2025
Sep 24, 2025
Notice of appeal
Appeal
Jul 24, 2025
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Means of redress
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Authorisation
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Letter which had not been notified
Search/Exam
Dec 6, 2023
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Nov 14, 2023
(Electronic) Receipt
Search/Exam
Nov 14, 2023
Annex
Search/Exam
Nov 14, 2023
Annex
Search/Exam
Nov 14, 2023
Letter accompanying subsequently filed items
Search/Exam
Nov 14, 2023
Letter concerning the inventor
Search/Exam
Oct 26, 2023
Oct 18, 2023
(Electronic) Receipt
Search/Exam
Oct 18, 2023
Letter accompanying subsequently filed items
Search/Exam
Oct 18, 2023
Request for correction of the publication
Search/Exam
Oct 12, 2023
Decision to grant a European patent
Search/Exam
Sep 26, 2023
(Electronic) Receipt
Search/Exam
Sep 26, 2023
Filing of the translations of the claims
Search/Exam
Sep 26, 2023
French translation of claims
Search/Exam
Sep 26, 2023
German translation of the claims
Search/Exam
Sep 26, 2023
Letter accompanying subsequently filed items
Search/Exam
Jun 2, 2023
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Intention to grant (signatures)
Search/Exam
Jun 2, 2023
Text intended for grant (clean copy)
Search/Exam
Jun 2, 2023
May 11, 2023
Examination started
Search/Exam
Mar 15, 2023
Mar 10, 2023
(Electronic) Receipt
Search/Exam
Mar 10, 2023
Mar 10, 2023
Submission concerning representation
Search/Exam
Jan 13, 2023
Subsequently filed documents not duly signed
Search/Exam
Jan 10, 2023
(Electronic) Receipt
Search/Exam
Jan 10, 2023
Letter accompanying subsequently filed items
Search/Exam
Jan 10, 2023
Maintenance of the application
Search/Exam
Jan 6, 2023
(Electronic) Receipt
Search/Exam
Jan 6, 2023
Annexes in respect of a client data request
Search/Exam
Jan 6, 2023
Jan 6, 2023
Submission concerning representation
Search/Exam
Dec 8, 2022
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European search opinion
Search/Exam
Nov 21, 2022
Information on Search Strategy
Search/Exam
Nov 21, 2022
Supplementary European search report
Search/Exam
Nov 8, 2022
Search started
Search/Exam
Jan 19, 2022
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Nov 25, 2021
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(Electronic) Receipt
Search/Exam
Nov 9, 2021
Nov 9, 2021
Amended claims with annotations
Search/Exam
Nov 9, 2021
Request for entry into the European phase
Search/Exam
Oct 18, 2021
Aug 20, 2021
Information on entry into European phase
Search/Exam
Nov 2, 2020
Oct 15, 2020
Copy of the international search report
Search/Exam
Oct 15, 2020
Notification of election of EPO
Search/Exam
Oct 15, 2020
Published international application - A1
Search/Exam