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The patent EP3466650 was granted to CL Schutzrechtsverwaltungs on Nov 10, 2021. The application was filed on Jun 27, 2017 under application number EP18203050A. 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 |
|---|---|---|---|
| NIKON SLM SOLUTIONS | Jul 25, 2022 | SCHICKER | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| OPPOSITION | DE102004057865 |
| OPPOSITION | DE10342882 |
| OPPOSITION | EP1347853 |
| OPPOSITION | EP2431113 |
| OPPOSITION | JP4857377B |
| OPPOSITION | US2015352668 |
| OPPOSITION | US6767499 |
| OPPOSITION | WO2017085470 |
| SEARCH | EP1600282 |
| SEARCH | WO2014012764 |
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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Nov 12, 2025
Refund of fees
Appeal
Nov 7, 2025
Nov 7, 2025
Nov 6, 2025
Oct 30, 2025
Oct 28, 2025
(Electronic) Receipt
Appeal
Oct 28, 2025
Oct 28, 2025
Withdrawal of an appeal
Appeal
Sep 30, 2025
Sep 24, 2025
(Electronic) Receipt
Appeal
Sep 24, 2025
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Notice of appeal
Appeal
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Nov 23, 2021
Oct 14, 2021
Decision to grant a European patent
Search/Exam
Oct 1, 2021
(Electronic) Receipt
Search/Exam
Oct 1, 2021
English translation of the claims
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Oct 1, 2021
Filing of the translations of the claims
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Oct 1, 2021
French translation of claims
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Oct 1, 2021
Letter accompanying subsequently filed items
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May 25, 2021
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Intention to grant (signatures)
Search/Exam
May 25, 2021
Text intended for grant (clean copy)
Search/Exam
May 25, 2021
Apr 15, 2021
Examination started
Search/Exam
Mar 24, 2020
Document concerning representation
Search/Exam
Nov 8, 2019
Priority search results
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Nov 8, 2019
Oct 21, 2019
Oct 15, 2019
Submission concerning representation
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Oct 10, 2019
(Electronic) Receipt
Search/Exam
Oct 10, 2019
Letter accompanying subsequently filed items
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Oct 10, 2019
Maintenance of the application
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Apr 15, 2019
Mar 28, 2019
Mar 13, 2019
Notification of forthcoming publication
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Mar 13, 2019
Refund of fees
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Mar 11, 2019
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European search opinion
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Mar 11, 2019
European search report
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Mar 11, 2019
Information on Search Strategy
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Feb 15, 2019
Search started
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Feb 11, 2019
Communication to designated inventor
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Feb 5, 2019
Letter concerning the inventor
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Jan 24, 2019
Jan 18, 2019
Letter which had not been notified
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Dec 21, 2018
Communication to designated inventor
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Dec 21, 2018
Communication to designated inventor
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Oct 29, 2018
Abstract
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Oct 29, 2018
Oct 29, 2018
Claims
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Oct 29, 2018
Description
Search/Exam
Oct 29, 2018
Designation of inventor
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Oct 29, 2018
Drawings
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Oct 29, 2018
Request for grant of a European patent
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Jul 6, 2017
Letter concerning the priority
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Jul 6, 2017
Priority document
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