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The patent EP3250788 was granted to Betek on Mar 19, 2025. The application was filed on Jan 22, 2016 under application number EP16701457A. The patent is currently recorded with a legal status of "Patent Maintained As Amended".

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 |
|---|---|---|---|
| KENNAMETAL | Jul 16, 2020 | PRINZ & PARTNER MBB | - |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| EXAMINATION | DE3531787 |
| EXAMINATION | DE9016655U |
| INTERNATIONAL-SEARCH-REPORT | DE3519101 |
| INTERNATIONAL-SEARCH-REPORT | DE4039217 |
| INTERNATIONAL-SEARCH-REPORT | EP0412287 |
| INTERNATIONAL-SEARCH-REPORT | WO2009072958 |
| OPPOSITION | DE3519101 |
| OPPOSITION | DE4039217 |
| OPPOSITION | EP0412287 |
| OPPOSITION | US2005035649 |
| OPPOSITION | US2005212345 |
| OPPOSITION | US2008164747 |
| OPPOSITION | US4711503 |
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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Feb 20, 2025
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Description
OPPO
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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
Jun 25, 2024
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Advice of delivery
Appeal
Jan 31, 2024
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(Electronic) Receipt
Appeal
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(Electronic) Receipt
Appeal
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Appeal
Jan 4, 2023
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(Electronic) Receipt
Appeal
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(Electronic) Receipt
Appeal
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Notice of appeal
Appeal
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Oct 28, 2019
Sep 19, 2019
Decision to grant a European patent
Search/Exam
Sep 4, 2019
(Electronic) Receipt
Search/Exam
Sep 4, 2019
English translation of the claims
Search/Exam
Sep 4, 2019
French translation of claims
Search/Exam
Sep 4, 2019
Letter accompanying subsequently filed items
Search/Exam
Jul 22, 2019
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Intention to grant (signatures)
Search/Exam
Jul 22, 2019
Text intended for grant (clean copy)
Search/Exam
Jul 22, 2019
Apr 23, 2019
Annex to the communication
Search/Exam
Apr 23, 2019
Consultation by telephone/in person
Search/Exam
Apr 23, 2019
Apr 10, 2019
(Electronic) Receipt
Search/Exam
Apr 10, 2019
Amended claims with annotations
Search/Exam
Apr 10, 2019
Amended description with annotations
Search/Exam
Apr 10, 2019
Claims
Search/Exam
Apr 10, 2019
Description
Search/Exam
Apr 10, 2019
Letter accompanying subsequently filed items
Search/Exam
Apr 10, 2019
Matter concerning the application
Search/Exam
Dec 6, 2018
(Electronic) Receipt
Search/Exam
Dec 6, 2018
Amended claims with annotations
Search/Exam
Dec 6, 2018
Amended claims with annotations
Search/Exam
Dec 6, 2018
Claims
Search/Exam
Dec 6, 2018
Claims
Search/Exam
Dec 6, 2018
Letter accompanying subsequently filed items
Search/Exam
Dec 6, 2018
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Annex to the communication
Search/Exam
Jun 13, 2018
Communication from the Examining Division
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Jun 5, 2018
Examination started
Search/Exam
May 18, 2018
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Mar 27, 2018
(Electronic) Receipt
Search/Exam
Mar 27, 2018
Letter accompanying subsequently filed items
Search/Exam
Mar 27, 2018
Reply to Written Opinion prepared by the EPO
Search/Exam
Nov 8, 2017
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Sep 13, 2017
Matter concerning the application
Search/Exam
Sep 5, 2017
Communication to designated inventor
Search/Exam
Sep 5, 2017
Communication to designated inventor
Search/Exam
Sep 5, 2017
Communication to designated inventor
Search/Exam
Sep 5, 2017
Communication to designated inventor
Search/Exam
Aug 16, 2017
Jul 21, 2017
(Electronic) Receipt
Search/Exam
Jul 21, 2017
Request for entry into the European phase
Search/Exam
Jun 9, 2017
Information on entry into European phase
Search/Exam
Aug 23, 2016
Aug 4, 2016
Copy of the international search report
Search/Exam
Aug 4, 2016
Copy of the international search report
Search/Exam
Aug 4, 2016
Published international application - A1
Search/Exam
May 17, 2016
(Electronic) Receipt
PCTRO
May 17, 2016
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(Electronic) Receipt
PCTRO
Jan 22, 2016
Abstract
PCTRO
Jan 22, 2016
Claims
PCTRO
Jan 22, 2016
Description
PCTRO
Jan 22, 2016
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Drawings
PCTRO
Jan 22, 2016