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The patent EP3117021 was granted to Walter on Jun 6, 2018. The application was filed on Mar 3, 2015 under application number EP15709872A. 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 |
|---|---|---|---|
| KENNAMETAL | Mar 1, 2019 | PRINZ & PARTNER MBB | - |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| INTERNATIONAL-SEARCH-REPORT | EP0496516 |
| INTERNATIONAL-SEARCH-REPORT | WO2013134796 |
| OPPOSITION | JP2001341008 |
| OPPOSITION | JP2012016797 |
| OPPOSITION | US6040012 |
| OPPOSITION | US7767320 |
| OPPOSITION | US8389134 |
| OPPOSITION | US8394513 |
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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Aug 16, 2023
Refund of fees
Search/Exam
Aug 11, 2023
Aug 10, 2023
Aug 8, 2023
Aug 8, 2023
Aug 8, 2023
Aug 8, 2023
Aug 7, 2023
(Electronic) Receipt
Appeal
Aug 7, 2023
Aug 7, 2023
Aug 7, 2023
Withdrawal of an appeal
Appeal
Jun 5, 2023
Jun 5, 2023
May 26, 2023
May 23, 2023
(Electronic) Receipt
Appeal
May 23, 2023
May 23, 2023
Apr 12, 2023
Apr 4, 2023
(Electronic) Receipt
Appeal
Apr 4, 2023
Apr 4, 2023
Mar 27, 2023
Mar 27, 2023
Mar 27, 2023
Mar 22, 2023
Mar 12, 2022
Sep 2, 2021
Aug 27, 2021
(Electronic) Receipt
Appeal
Aug 27, 2021
Aug 27, 2021
Aug 27, 2021
Aug 27, 2021
Aug 27, 2021
Aug 27, 2021
Reply to appeal
Appeal
Apr 21, 2021
Apr 16, 2021
(Electronic) Receipt
Appeal
Apr 16, 2021
Apr 16, 2021
Mar 10, 2021
Mar 10, 2021
Feb 16, 2021
(Electronic) Receipt
Appeal
Feb 16, 2021
Feb 16, 2021
Notice of appeal
Appeal
Dec 14, 2020
Dec 14, 2020
Dec 8, 2020
Dec 8, 2020
Dec 8, 2020
Dec 8, 2020
Dec 8, 2020
Dec 8, 2020
Dec 8, 2020
Dec 8, 2020
Dec 8, 2020
Means of redress
OPPO
Dec 8, 2020
Dec 8, 2020
Dec 8, 2020
Dec 8, 2020
Oct 27, 2020
Sep 22, 2020
Sep 22, 2020
Sep 1, 2020
Sep 1, 2020
Aug 26, 2020
Aug 20, 2020
Aug 18, 2020
Aug 18, 2020
Aug 18, 2020
Aug 17, 2020
Aug 17, 2020
Aug 17, 2020
Aug 17, 2020
Aug 17, 2020
Aug 3, 2020
Aug 3, 2020
Jul 27, 2020
Jul 27, 2020
Jul 27, 2020
Jan 13, 2020
Jan 9, 2020
Jan 7, 2020
Jan 7, 2020
Jan 7, 2020
Jan 7, 2020
Jan 7, 2020
Jan 7, 2020
Nov 6, 2019
Nov 6, 2019
Oct 31, 2019
Jul 17, 2019
Jul 10, 2019
Jul 10, 2019
Jul 10, 2019
Jul 10, 2019
Jul 10, 2019
Claims
OPPO
Jul 10, 2019
Claims
OPPO
Jul 10, 2019
Claims
OPPO
Jul 10, 2019
Claims
OPPO
Jul 10, 2019
Jul 10, 2019
Mar 21, 2019
Mar 21, 2019
Mar 8, 2019
Mar 1, 2019
Mar 1, 2019
Mar 1, 2019
Mar 1, 2019
Mar 1, 2019
Mar 1, 2019
Mar 1, 2019
Mar 1, 2019
Mar 1, 2019
Mar 1, 2019
Mar 1, 2019
Mar 1, 2019
Mar 1, 2019
Mar 1, 2019
Mar 1, 2019
Mar 1, 2019
Mar 1, 2019
Mar 1, 2019
Mar 1, 2019
Mar 1, 2019
Jun 18, 2018
May 11, 2018
Decision to grant a European patent
Search/Exam
Jan 8, 2018
(Electronic) Receipt
Search/Exam
Jan 8, 2018
English translation of the claims
Search/Exam
Jan 8, 2018
French translation of claims
Search/Exam
Jan 8, 2018
Letter accompanying subsequently filed items
Search/Exam
Nov 10, 2017
Nov 10, 2017
Nov 10, 2017
Intention to grant (signatures)
Search/Exam
Nov 10, 2017
Text intended for grant (clean copy)
Search/Exam
Nov 10, 2017
Oct 24, 2017
Examination started
Search/Exam
Dec 21, 2016
Oct 18, 2016
Oct 14, 2016
Communication to designated inventor
Search/Exam
Oct 14, 2016
Communication to designated inventor
Search/Exam
Oct 14, 2016
Communication to designated inventor
Search/Exam
Sep 27, 2016
Aug 8, 2016
(Electronic) Receipt
Search/Exam
Aug 8, 2016
Priority search results
Search/Exam
Aug 8, 2016
Request for entry into the European phase
Search/Exam
Jul 22, 2016
Information on entry into European phase
Search/Exam
Jul 20, 2016
Jul 20, 2016
Notification of the recording of a change
Search/Exam
Jul 12, 2016
Jul 12, 2016
Notification of the recording of a change
Search/Exam
Jun 30, 2016
Jun 30, 2016
Notification of the recording of a change
Search/Exam
Oct 5, 2015
Sep 17, 2015
Copy of the international search report
Search/Exam
Sep 17, 2015
Copy of the international search report
Search/Exam
Sep 17, 2015
Published international application - A1
Search/Exam
Jun 3, 2015
Jun 3, 2015
Jun 3, 2015
Apr 11, 2015
Mar 3, 2015
(Electronic) Receipt
PCTRO
Mar 3, 2015
Abstract
PCTRO
Mar 3, 2015
Claims
PCTRO
Mar 3, 2015
Description
PCTRO
Mar 3, 2015
Drawings
PCTRO