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The patent EP3470207 was granted to CL Schutzrechtsverwaltungs on Dec 1, 2021. The application was filed on Oct 13, 2017 under application number EP17196480A. 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 | Aug 5, 2022 | SCHICKER | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| OPPOSITION | DE102013003939 |
| OPPOSITION | DE102015012844 |
| OPPOSITION | DE102015211538 |
| OPPOSITION | DE10342882 |
| OPPOSITION | EP1192040 |
| OPPOSITION | EP3395481 |
| OPPOSITION | US2013193620 |
| OPPOSITION | US2014140882 |
| OPPOSITION | US2015321255 |
| OPPOSITION | US5304329 |
| OPPOSITION | US5622577 |
| OPPOSITION | WO2008143106 |
| OPPOSITION | WO2015025171 |
| OPPOSITION | WO2016102970 |
| OPPOSITION | WO2017075285 |
| SEARCH | EP2730353 |
| SEARCH | US2013193620 |
| SEARCH | US5304329 |
| SEARCH | US5658412 |
| SEARCH | WO2008143106 |
| SEARCH | WO2016102970 |
| SEARCH | WO2017075285 |
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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Oct 28, 2025
Oct 23, 2025
(Electronic) Receipt
Appeal
Oct 23, 2025
Oct 1, 2025
Oct 1, 2025
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Sep 26, 2025
Aug 5, 2025
Jul 30, 2025
(Electronic) Receipt
Appeal
Jul 30, 2025
Jul 30, 2025
Reply to appeal
Appeal
Apr 22, 2025
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Apr 1, 2025
(Electronic) Receipt
Appeal
Apr 1, 2025
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Claims
Appeal
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Appeal
Apr 1, 2025
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Appeal
Apr 1, 2025
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Appeal
Apr 1, 2025
Claims
Appeal
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Appeal
Apr 1, 2025
Claims
Appeal
Apr 1, 2025
Claims
Appeal
Apr 1, 2025
Claims
Appeal
Apr 1, 2025
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Jan 29, 2025
(Electronic) Receipt
Appeal
Jan 29, 2025
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Notice of appeal
Appeal
Dec 3, 2024
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Means of redress
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Dec 14, 2021
Nov 5, 2021
Decision to grant a European patent
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Sep 23, 2021
(Electronic) Receipt
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Sep 23, 2021
Filing of the translations of the claims
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Sep 23, 2021
French translation of claims
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Sep 23, 2021
German translation of the claims
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Sep 23, 2021
Letter accompanying subsequently filed items
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Jun 23, 2021
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Intention to grant (signatures)
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Jun 23, 2021
Text intended for grant (clean copy)
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Jun 23, 2021
Jan 25, 2021
(Electronic) Receipt
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Jan 25, 2021
Amended claims with annotations
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Jan 25, 2021
Amended claims with annotations
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Jan 25, 2021
Amended claims with annotations
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Jan 25, 2021
Amended description with annotations
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Jan 25, 2021
Claims
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Jan 25, 2021
Claims
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Jan 25, 2021
Description
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Jan 25, 2021
Description
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Jan 25, 2021
Letter accompanying subsequently filed items
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Jan 25, 2021
Sep 17, 2020
Annex to the communication
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Sep 17, 2020
Communication from the Examining Division
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Jul 27, 2020
(Electronic) Receipt
Search/Exam
Jul 27, 2020
Amended claims with annotations
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Jul 27, 2020
Claims
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Jul 27, 2020
Letter accompanying subsequently filed items
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Jul 27, 2020
Mar 26, 2020
Annex to the communication
Search/Exam
Mar 26, 2020
Communication from the Examining Division
Search/Exam
Mar 24, 2020
Document concerning representation
Search/Exam
Mar 20, 2020
Examination started
Search/Exam
Oct 16, 2019
(Electronic) Receipt
Search/Exam
Oct 16, 2019
Oct 16, 2019
Amended claims with annotations
Search/Exam
Oct 16, 2019
Amendments received before examination
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Oct 16, 2019
Letter accompanying subsequently filed items
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Oct 15, 2019
Submission concerning representation
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Apr 24, 2019
Mar 28, 2019
Mar 20, 2019
Notification of forthcoming publication
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Aug 1, 2018
Jul 27, 2018
Jul 11, 2018
Submission concerning representation
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Jun 18, 2018
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European search opinion
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Jun 18, 2018
European search report
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Jun 18, 2018
Information on Search Strategy
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May 29, 2018
(Electronic) Receipt
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May 29, 2018
Letter accompanying subsequently filed items
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May 29, 2018
Letter concerning fees and payments
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Apr 13, 2018
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Information on Search Strategy
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Apr 13, 2018
Partial European search report
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Apr 13, 2018
Apr 4, 2018
Search started
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Dec 6, 2017
Communication to designated inventor
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Dec 6, 2017
Communication to designated inventor
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Dec 6, 2017
Communication to designated inventor
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Dec 6, 2017
Communication to designated inventor
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Oct 20, 2017
Payment of fees and costs
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Oct 20, 2017
Payment of fees and costs
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Oct 13, 2017
Abstract
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Oct 13, 2017
Oct 13, 2017
Claims
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Oct 13, 2017
Description
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Oct 13, 2017
Designation of inventor
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Oct 13, 2017
Drawings
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Oct 13, 2017
Request for grant of a European patent
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