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The patent EP3423630 was granted to Spcm on Jul 15, 2020. The application was filed on Jan 25, 2017 under application number EP17707367A. The patent is currently recorded with a legal status of "Opposition Rejected".

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 | Apr 15, 2021 | PAGE WHITE FARRER | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| INTERNATIONAL-SEARCH-REPORT | EP1835074 |
| INTERNATIONAL-SEARCH-REPORT | US2009272506 |
| INTERNATIONAL-SEARCH-REPORT | WO9824973 |
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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Jan 16, 2025
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(Electronic) Receipt
Appeal
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(Electronic) Receipt
Appeal
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(Electronic) Receipt
Appeal
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(Electronic) Receipt
Appeal
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(Electronic) Receipt
Appeal
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(Electronic) Receipt
Appeal
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(Electronic) Receipt
Appeal
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Appeal
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Reply to appeal
Appeal
Dec 15, 2022
Dec 12, 2022
(Electronic) Receipt
Appeal
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Sep 27, 2022
(Electronic) Receipt
Appeal
Sep 27, 2022
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Notice of appeal
Appeal
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Means of redress
OPPO
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Jul 27, 2020
Jun 18, 2020
Decision to grant a European patent
Search/Exam
Jun 4, 2020
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Intention to grant (signatures)
Search/Exam
Jun 4, 2020
Text intended for grant (clean copy)
Search/Exam
Jun 4, 2020
May 19, 2020
(Electronic) Receipt
Search/Exam
May 19, 2020
Amended claims with annotations
Search/Exam
May 19, 2020
Claims
Search/Exam
May 19, 2020
English translation of the claims
Search/Exam
May 19, 2020
German translation of the claims
Search/Exam
May 19, 2020
Letter accompanying subsequently filed items
Search/Exam
May 19, 2020
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Intention to grant (signatures)
Search/Exam
Mar 19, 2020
Text intended for grant (clean copy)
Search/Exam
Mar 19, 2020
Dec 19, 2019
(Electronic) Receipt
Search/Exam
Dec 19, 2019
Amended description with annotations
Search/Exam
Dec 19, 2019
Description
Search/Exam
Dec 19, 2019
Letter accompanying subsequently filed items
Search/Exam
Dec 19, 2019
Oct 4, 2019
Annex to the communication
Search/Exam
Oct 4, 2019
Communication from the Examining Division
Search/Exam
Sep 30, 2019
Examination started
Search/Exam
Mar 14, 2019
Mar 7, 2019
Letter which had not been notified
Search/Exam
Feb 8, 2019
(Electronic) Receipt
Search/Exam
Feb 8, 2019
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Amended claims with annotations
Search/Exam
Feb 8, 2019
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Feb 8, 2019
Letter accompanying subsequently filed items
Search/Exam
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Letter which had not been notified
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Letter which had not been notified
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Communication to designated inventor
Search/Exam
Oct 9, 2018
Communication to designated inventor
Search/Exam
Oct 9, 2018
Communication to designated inventor
Search/Exam
Oct 3, 2018
Priority search results copy provided by EPO
Search/Exam
Sep 18, 2018
Sep 4, 2018
(Electronic) Receipt
Search/Exam
Sep 4, 2018
Request for entry into the European phase
Search/Exam
Jul 13, 2018
Information on entry into European phase
Search/Exam
Sep 25, 2017
Sep 8, 2017
Copy of the international search report
Search/Exam
Sep 8, 2017
Copy of the international search report
Search/Exam
Sep 8, 2017
Published international application - A1
Search/Exam
May 4, 2017
ISR: cited documents
PCTISA
May 4, 2017
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Jan 25, 2017
Abstract
PCTISA
Jan 25, 2017
Claims
PCTISA
Jan 25, 2017
Description
PCTISA
Jan 25, 2017
Drawings
PCTISA