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The patent EP3536428 was granted to Sandvik Coromant on Aug 10, 2022. The application was filed on Oct 25, 2018 under application number EP18202649A. 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 |
|---|---|---|---|
| ISCAR | May 10, 2023 | VOSSIUS & PARTNER PATENTANWALTE RECHTSANWALTE MBB | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| OPPOSITION | DE102015216203 |
| OPPOSITION | DE3733298 |
| OPPOSITION | EP1158378 |
| OPPOSITION | EP1186367 |
| OPPOSITION | EP1415742 |
| OPPOSITION | EP1666181 |
| OPPOSITION | EP3153257 |
| OPPOSITION | EP3153260 |
| OPPOSITION | EP3501701 |
| OPPOSITION | JPH06277901 |
| OPPOSITION | US2006111019 |
| OPPOSITION | US2009182451 |
| OPPOSITION | US2011142562 |
| OPPOSITION | US2017326656 |
| OPPOSITION | US3128657 |
| OPPOSITION | US4572042 |
| OPPOSITION | US6715386 |
| OPPOSITION | US9346102 |
| OPPOSITION | WO2016135005 |
| SEARCH | DE102015216203 |
| SEARCH | EP1415742 |
| SEARCH | EP3153260 |
| SEARCH | US4572042 |
| SEARCH | US6715386 |
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 20, 2025
Nov 20, 2025
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Refund of fees
Search/Exam
Nov 17, 2025
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(Electronic) Receipt
Appeal
Oct 27, 2025
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Withdrawal of an appeal
Appeal
Sep 18, 2025
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(Electronic) Receipt
Appeal
Sep 10, 2025
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(Electronic) Receipt
Appeal
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Notice of appeal
Appeal
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OPPO
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Jul 14, 2022
Decision to grant a European patent
Search/Exam
Jul 5, 2022
(Electronic) Receipt
Search/Exam
Jul 5, 2022
Filing of the translations of the claims
Search/Exam
Jul 5, 2022
French translation of claims
Search/Exam
Jul 5, 2022
German translation of the claims
Search/Exam
Apr 28, 2022
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Intention to grant (signatures)
Search/Exam
Apr 28, 2022
Text intended for grant (clean copy)
Search/Exam
Apr 28, 2022
Oct 27, 2020
(Electronic) Receipt
Search/Exam
Oct 27, 2020
Amended claims with annotations
Search/Exam
Oct 27, 2020
Claims
Search/Exam
Oct 27, 2020
Letter accompanying subsequently filed items
Search/Exam
Oct 27, 2020
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Annex to the communication
Search/Exam
Jul 27, 2020
Communication from the Examining Division
Search/Exam
Jul 20, 2020
Examination started
Search/Exam
Oct 21, 2019
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Amended claims with annotations
Search/Exam
Oct 21, 2019
Amendments received before examination
Search/Exam
Sep 16, 2019
Aug 14, 2019
Notification of forthcoming publication
Search/Exam
May 15, 2019
Refund of fees
Search/Exam
May 13, 2019
May 13, 2019
European search opinion
Search/Exam
May 13, 2019
European search report
Search/Exam
May 13, 2019
Information on Search Strategy
Search/Exam
May 8, 2019
Priority search results copy provided by EPO
Search/Exam
May 8, 2019
Priority search results copy provided by EPO
Search/Exam
May 2, 2019
Search started
Search/Exam
Jan 18, 2019
Communication to designated inventor
Search/Exam
Jan 18, 2019
Communication to designated inventor
Search/Exam
Jan 7, 2019
Dec 25, 2018
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Abstract
Search/Exam
Oct 25, 2018
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Claims
Search/Exam
Oct 25, 2018
Description
Search/Exam
Oct 25, 2018
Designation of inventor
Search/Exam
Oct 25, 2018
Drawings
Search/Exam
Oct 25, 2018
Matter concerning the application
Search/Exam
Oct 25, 2018
Priority search results
Search/Exam
Oct 25, 2018
Priority search results
Search/Exam
Oct 25, 2018
Request for grant of a European patent
Search/Exam