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The patent EP3915721 was granted to CMS on Dec 28, 2022. The application was filed on May 27, 2021 under application number EP21176184A. 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 |
|---|---|---|---|
| GEISS | Sep 26, 2023 | ISARPATENT | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| OPPOSITION | DE102008005957 |
| OPPOSITION | DE102015010159 |
| OPPOSITION | DE102015226299 |
| OPPOSITION | DE102017116561 |
| OPPOSITION | DE102018104199 |
| OPPOSITION | DE202013003569U |
| OPPOSITION | EP1197703 |
| OPPOSITION | EP1419858 |
| OPPOSITION | EP2063165 |
| OPPOSITION | EP2105270 |
| OPPOSITION | EP2253417 |
| OPPOSITION | EP2611557 |
| OPPOSITION | EP2628993 |
| OPPOSITION | EP2641701 |
| OPPOSITION | EP3061542 |
| OPPOSITION | EP3403759 |
| OPPOSITION | EP3403796 |
| OPPOSITION | EP3488984 |
| OPPOSITION | ITBO20110626 |
| OPPOSITION | ITUB20153815 |
| OPPOSITION | KR101909973B |
| OPPOSITION | US2016279875 |
| OPPOSITION | US2019152004 |
| OPPOSITION | WO2009146716 |
| OPPOSITION | WO2017103811 |
| OPPOSITION | WO2017103812 |
| OPPOSITION | WO2019240271 |
| SEARCH | EP3403796 |
| SEARCH | ITBO20110626 |
| SEARCH | US2016279875 |
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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Decision to grant a European patent
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Nov 23, 2022
(Electronic) Receipt
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Nov 23, 2022
Filing of the translations of the claims
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Nov 23, 2022
French translation of claims
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Nov 23, 2022
German translation of the claims
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Nov 23, 2022
Letter accompanying subsequently filed items
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Intention to grant (signatures)
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Text intended for grant (clean copy)
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Examination started
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Dec 6, 2021
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Notification of forthcoming publication
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Oct 15, 2021
Refund of fees
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Oct 12, 2021
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European search opinion
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European search report
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Oct 12, 2021
Information on Search Strategy
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Jun 3, 2021
(Electronic) Receipt
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Jun 3, 2021
Letter accompanying subsequently filed items
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Jun 3, 2021
May 27, 2021
Abstract
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May 27, 2021
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Annex
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May 27, 2021
Claims
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May 27, 2021
Description
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May 27, 2021
Designation of inventor
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May 27, 2021
Drawings
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May 27, 2021
Request for grant of a European patent
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May 27, 2021
Feb 26, 2021
Priority search results copy provided by EPO
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