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The patent EP3604351 was granted to Spcm on Jan 13, 2021. The application was filed on Jul 19, 2019 under application number EP19187328A. The patent is currently recorded with a legal status of "Revoked".

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 |
|---|---|---|---|
| KEMIRA OYJ | Oct 12, 2021 | SANTARELLI | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | EP0030425 |
| DESCRIPTION | US8383560 |
| DESCRIPTION | WO2017027319 |
| OPPOSITION | EP0030425 |
| OPPOSITION | US2014131039 |
| OPPOSITION | US2014144643 |
| OPPOSITION | US2015133347 |
| OPPOSITION | US2016333252 |
| OPPOSITION | US2018072935 |
| OPPOSITION | US9315722 |
| OPPOSITION | WO2016011106 |
| OPPOSITION | WO2016109333 |
| OPPOSITION | WO2016109348 |
| OPPOSITION | WO2017027319 |
| OPPOSITION | WO2018045282 |
| SEARCH | EP0030425 |
| SEARCH | US2014144643 |
| SEARCH | US2018072935 |
| SEARCH | WO2016109348 |
| SEARCH | WO2017027319 |
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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Aug 13, 2025
Aug 13, 2025
Aug 13, 2025
May 22, 2025
May 22, 2025
May 22, 2025
May 12, 2025
May 7, 2025
(Electronic) Receipt
Appeal
May 7, 2025
May 7, 2025
May 7, 2025
May 7, 2025
Apr 17, 2025
Apr 16, 2025
(Electronic) Receipt
Appeal
Apr 16, 2025
Apr 16, 2025
Apr 10, 2025
Apr 8, 2025
(Electronic) Receipt
Appeal
Apr 8, 2025
Apr 8, 2025
Mar 17, 2025
Mar 14, 2025
(Electronic) Receipt
Appeal
Mar 14, 2025
Mar 14, 2025
Mar 14, 2025
Mar 14, 2025
Jan 17, 2025
Jan 17, 2025
Sep 5, 2024
Sep 5, 2024
Sep 5, 2024
Sep 2, 2024
(Electronic) Receipt
Appeal
Sep 2, 2024
Sep 2, 2024
Aug 12, 2024
Aug 9, 2024
(Electronic) Receipt
Appeal
Aug 9, 2024
Aug 9, 2024
Jun 27, 2024
Jun 27, 2024
Jun 27, 2024
Jun 27, 2024
Jun 25, 2024
Jun 24, 2024
Dec 15, 2023
Dec 15, 2023
Dec 13, 2023
(Electronic) Receipt
Appeal
Dec 13, 2023
Dec 13, 2023
Dec 13, 2023
Dec 13, 2023
Dec 13, 2023
Dec 13, 2023
Dec 13, 2023
Dec 13, 2023
Dec 13, 2023
Dec 13, 2023
Dec 13, 2023
Dec 13, 2023
Dec 13, 2023
Dec 13, 2023
Dec 13, 2023
Reply to appeal
Appeal
Aug 3, 2023
Jul 31, 2023
(Electronic) Receipt
Appeal
Jul 31, 2023
Jul 31, 2023
Jul 31, 2023
Jun 1, 2023
Jun 1, 2023
May 25, 2023
(Electronic) Receipt
Appeal
May 25, 2023
May 25, 2023
Notice of appeal
Appeal
Apr 3, 2023
Mar 21, 2023
Mar 21, 2023
Mar 21, 2023
Mar 21, 2023
Mar 21, 2023
Mar 21, 2023
Mar 21, 2023
Means of redress
OPPO
Mar 21, 2023
Mar 21, 2023
Mar 21, 2023
Mar 21, 2023
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Jan 2, 2023
Dec 23, 2022
Dec 16, 2022
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Dec 16, 2022
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Dec 15, 2022
Description
OPPO
Dec 15, 2022
Dec 15, 2022
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Dec 2, 2022
Dec 2, 2022
Jun 10, 2022
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May 31, 2022
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Feb 18, 2022
Feb 14, 2022
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Feb 14, 2022
Oct 27, 2021
Oct 27, 2021
Oct 18, 2021
Oct 12, 2021
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Oct 12, 2021
Oct 12, 2021
Oct 12, 2021
Oct 12, 2021
Oct 12, 2021
Oct 12, 2021
Jan 25, 2021
Dec 17, 2020
Decision to grant a European patent
Search/Exam
Dec 2, 2020
(Electronic) Receipt
Search/Exam
Dec 2, 2020
Filing of the translations of the claims
Search/Exam
Dec 2, 2020
French translation of claims
Search/Exam
Dec 2, 2020
German translation of the claims
Search/Exam
Dec 2, 2020
Letter accompanying subsequently filed items
Search/Exam
Sep 21, 2020
Sep 21, 2020
Sep 21, 2020
Intention to grant (signatures)
Search/Exam
Sep 21, 2020
Text intended for grant (clean copy)
Search/Exam
Sep 21, 2020
Aug 27, 2020
Examination started
Search/Exam
Jul 3, 2020
(Electronic) Receipt
Search/Exam
Jul 3, 2020
Jul 3, 2020
Amended claims with annotations
Search/Exam
Jul 3, 2020
Amendments received before examination
Search/Exam
Jul 3, 2020
Letter accompanying subsequently filed items
Search/Exam
Feb 10, 2020
Jan 9, 2020
Notification of forthcoming publication
Search/Exam
Nov 13, 2019
Refund of fees
Search/Exam
Nov 12, 2019
Nov 12, 2019
European search opinion
Search/Exam
Nov 12, 2019
European search report
Search/Exam
Nov 12, 2019
Information on Search Strategy
Search/Exam
Nov 7, 2019
Priority search results copy provided by EPO
Search/Exam
Oct 25, 2019
Letter concerning the priority
Search/Exam
Oct 25, 2019
Priority document
Search/Exam
Oct 24, 2019
Oct 24, 2019
Oct 18, 2019
Letter which had not been notified
Search/Exam
Oct 17, 2019
Letter which had not been notified
Search/Exam
Sep 11, 2019
Communication to designated inventor
Search/Exam
Sep 11, 2019
Communication to designated inventor
Search/Exam
Jul 19, 2019
Abstract
Search/Exam
Jul 19, 2019
Jul 19, 2019
Claims
Search/Exam
Jul 19, 2019
Description
Search/Exam
Jul 19, 2019
Designation of inventor
Search/Exam
Jul 19, 2019
Request for grant of a European patent
Search/Exam