The weekly litigation news digest is live. Subscribe now
The patent EP3519130 was granted to Hartmetall Werkzeugfabrik Paul Horn on Sep 28, 2022. The application was filed on Feb 21, 2018 under application number EP18706508A. 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 | Jun 28, 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 |
|---|---|
| DESCRIPTION | DE8126791U |
| DESCRIPTION | EP3103573 |
| EXAMINATION | WO2013132480 |
| INTERNATIONAL-SEARCH-REPORT | EP0507250 |
| INTERNATIONAL-SEARCH-REPORT | EP2962796 |
| INTERNATIONAL-SEARCH-REPORT | EP3023179 |
| INTERNATIONAL-SEARCH-REPORT | US2001007215 |
| INTERNATIONAL-SEARCH-REPORT | US2015003924 |
| INTERNATIONAL-SEARCH-REPORT | US4558974 |
| INTERNATIONAL-SEARCH-REPORT | WO2010079472 |
| INTERNATIONAL-SEARCH-REPORT | WO2012070046 |
| OPPOSITION | AT381262B |
| OPPOSITION | DE102009040577 |
| OPPOSITION | DE8126791U |
| OPPOSITION | EP0507250 |
| OPPOSITION | EP2821167 |
| OPPOSITION | EP3023179 |
| OPPOSITION | EP3103573 |
| OPPOSITION | JPH04183503 |
| OPPOSITION | JPH05301104 |
| OPPOSITION | JPH07227702 |
| OPPOSITION | JPS60127904 |
| OPPOSITION | US4558974 |
| OPPOSITION | US5743680 |
| OPPOSITION | US7524147 |
| OPPOSITION | WO2010079472 |
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
Get instant alerts for new documents
Dec 22, 2025
Dec 22, 2025
Dec 22, 2025
Dec 15, 2025
Nov 19, 2025
Refund of fees
Appeal
Nov 17, 2025
Nov 17, 2025
Nov 7, 2025
Oct 6, 2025
(Electronic) Receipt
Appeal
Oct 6, 2025
Oct 6, 2025
Withdrawal of an appeal
Appeal
Aug 12, 2025
Aug 12, 2025
Aug 6, 2025
(Electronic) Receipt
Appeal
Aug 6, 2025
Notice of appeal
Appeal
Jun 6, 2025
Jun 6, 2025
Jun 6, 2025
Jun 6, 2025
Jun 6, 2025
Jun 6, 2025
Jun 6, 2025
Jun 6, 2025
Means of redress
OPPO
Jun 6, 2025
Jun 6, 2025
Jun 6, 2025
Jun 6, 2025
Jun 6, 2025
Jun 6, 2025
Jun 6, 2025
Jun 4, 2025
Apr 29, 2025
Mar 4, 2025
Feb 26, 2025
Feb 26, 2025
Feb 26, 2025
Feb 26, 2025
Feb 26, 2025
Feb 26, 2025
Feb 26, 2025
Feb 26, 2025
Feb 26, 2025
Feb 26, 2025
Feb 26, 2025
Feb 26, 2025
Feb 26, 2025
Feb 26, 2025
Feb 26, 2025
Feb 17, 2025
Feb 11, 2025
Feb 11, 2025
Feb 11, 2025
Dec 11, 2024
Dec 4, 2024
Dec 4, 2024
Dec 4, 2024
Dec 4, 2024
Oct 23, 2024
Oct 23, 2024
Oct 23, 2024
Oct 23, 2024
Oct 23, 2024
Oct 16, 2024
Oct 11, 2024
Oct 8, 2024
Oct 8, 2024
Oct 8, 2024
Jul 2, 2024
Jun 26, 2024
Jun 26, 2024
Jun 26, 2024
Jun 26, 2024
Jun 26, 2024
Jun 26, 2024
May 15, 2024
May 8, 2024
May 8, 2024
May 8, 2024
Feb 2, 2024
Jan 30, 2024
Jan 30, 2024
Jan 30, 2024
Jan 30, 2024
Jan 30, 2024
Jan 30, 2024
Nov 27, 2023
Nov 21, 2023
Nov 21, 2023
Nov 21, 2023
Jul 12, 2023
Jul 12, 2023
Jul 3, 2023
Jun 28, 2023
Jun 28, 2023
Jun 28, 2023
Jun 28, 2023
Jun 28, 2023
Jun 28, 2023
Jun 28, 2023
Jun 28, 2023
Jun 28, 2023
Jun 28, 2023
Jun 28, 2023
Jun 28, 2023
Jun 28, 2023
Jun 28, 2023
Jun 28, 2023
Jun 28, 2023
Jun 28, 2023
Jun 28, 2023
Jun 28, 2023
Jun 28, 2023
Jun 28, 2023
Jun 28, 2023
Oct 11, 2022
Sep 1, 2022
Decision to grant a European patent
Search/Exam
Aug 22, 2022
(Electronic) Receipt
Search/Exam
Aug 22, 2022
English translation of the claims
Search/Exam
Aug 22, 2022
Filing of the translations of the claims
Search/Exam
Aug 22, 2022
French translation of claims
Search/Exam
Apr 14, 2022
Apr 14, 2022
Apr 14, 2022
Intention to grant (signatures)
Search/Exam
Apr 14, 2022
Text intended for grant (clean copy)
Search/Exam
Apr 14, 2022
Feb 23, 2022
(Electronic) Receipt
Search/Exam
Feb 23, 2022
Amended description with annotations
Search/Exam
Feb 23, 2022
Claims
Search/Exam
Feb 23, 2022
Description
Search/Exam
Feb 23, 2022
Drawings
Search/Exam
Feb 23, 2022
Letter accompanying subsequently filed items
Search/Exam
Feb 23, 2022
Dec 15, 2021
Dec 15, 2021
Dec 15, 2021
Intention to grant (signatures)
Search/Exam
Dec 15, 2021
Text intended for grant (clean copy)
Search/Exam
Dec 15, 2021
Oct 27, 2021
Examination started
Search/Exam
Mar 22, 2021
Mar 3, 2021
(Electronic) Receipt
Search/Exam
Mar 3, 2021
Enquiry as to the processing of the file
Search/Exam
Mar 3, 2021
Letter accompanying subsequently filed items
Search/Exam
Nov 2, 2020
Oct 27, 2020
Sep 10, 2019
Jul 10, 2019
May 14, 2019
Communication to designated inventor
Search/Exam
May 14, 2019
Communication to designated inventor
Search/Exam
May 10, 2019
May 3, 2019
(Electronic) Receipt
Search/Exam
May 3, 2019
May 3, 2019
Amended claims with annotations
Search/Exam
May 3, 2019
May 3, 2019
Amended description with annotations
Search/Exam
May 3, 2019
Amendments received before examination
Search/Exam
May 3, 2019
Matter concerning the application
Search/Exam
May 3, 2019
Priority search results
Search/Exam
May 3, 2019
Request for entry into the European phase
Search/Exam
Nov 7, 2018
Nov 7, 2018
Notification of the recording of a change
Search/Exam
Oct 2, 2018
(Electronic) Receipt
PCTRO
Oct 2, 2018
Oct 2, 2018
RO101 Declaration
PCTRO
Sep 18, 2018
Aug 30, 2018
Copy of the international search report
Search/Exam
Aug 30, 2018
Copy of the international search report
Search/Exam
Aug 30, 2018
Published international application - A1
Search/Exam
May 16, 2018
May 16, 2018
May 16, 2018
May 2, 2018
Mar 7, 2018
Feb 21, 2018
(Electronic) Receipt
PCTRO
Feb 21, 2018
Abstract
PCTRO
Feb 21, 2018
Claims
PCTRO
Feb 21, 2018
Description
PCTRO
Feb 21, 2018
Feb 21, 2018
Drawings
PCTRO
Feb 21, 2018