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The patent EP3159640 was granted to Danieli Corus on Sep 25, 2024. The application was filed on Oct 20, 2015 under application number EP15190639A. 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 |
|---|---|---|---|
| PAUL WURTH | Dec 28, 2020 | OFFICE FREYLINGER | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | WO2013045534 |
| OPPOSITION | CN1037541 |
| OPPOSITION | CN1966730 |
| OPPOSITION | CN201179403Y |
| OPPOSITION | CN201592031U |
| OPPOSITION | DE2743550 |
| OPPOSITION | DE3715188 |
| OPPOSITION | EP1139023 |
| OPPOSITION | FR2719499 |
| OPPOSITION | GB1526478 |
| OPPOSITION | JPS63109109 |
| OPPOSITION | RU2430971 |
| OPPOSITION | US2010158773 |
| OPPOSITION | US2842193 |
| OPPOSITION | US3431707 |
| OPPOSITION | US3483674 |
| OPPOSITION | US3726065 |
| OPPOSITION | US4055331 |
| OPPOSITION | US4668253 |
| OPPOSITION | US4909160 |
| OPPOSITION | US6328790 |
| OPPOSITION | WO2013045534 |
| SEARCH | FR2719499 |
| SEARCH | US2010158773 |
| SEARCH | US2842193 |
| SEARCH | US4055331 |
| SEARCH | US4668253 |
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.
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Description
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Aug 29, 2024
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Appeal
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(Electronic) Receipt
Appeal
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(Electronic) Receipt
Appeal
Feb 10, 2023
Feb 10, 2023
Reply to appeal
Appeal
Oct 4, 2022
Sep 28, 2022
(Electronic) Receipt
Appeal
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(Electronic) Receipt
Appeal
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Notice of appeal
Appeal
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Apr 15, 2020
Mar 5, 2020
Decision to grant a European patent
Search/Exam
Feb 19, 2020
(Electronic) Receipt
Search/Exam
Feb 19, 2020
French translation of claims
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Feb 19, 2020
German translation of the claims
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Feb 19, 2020
Letter accompanying subsequently filed items
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Nov 11, 2019
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Intention to grant (signatures)
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Nov 11, 2019
Text intended for grant (clean copy)
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Nov 11, 2019
Nov 7, 2019
Sep 12, 2019
(Electronic) Receipt
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Sep 12, 2019
Amended claims with annotations
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Sep 12, 2019
Amended claims with annotations
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Sep 12, 2019
Claims
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Sep 12, 2019
Claims
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Sep 12, 2019
Letter accompanying subsequently filed items
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Sep 12, 2019
Jul 16, 2019
Advice of delivery
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Jul 4, 2019
Advice of delivery
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Jul 3, 2019
Acknowledgement of a document
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Jul 3, 2019
Annex to the communication
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Jul 3, 2019
Summons to attend oral proceedings
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Apr 30, 2019
(Electronic) Receipt
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Apr 30, 2019
Letter accompanying subsequently filed items
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Apr 30, 2019
Mar 8, 2019
Feb 27, 2019
(Electronic) Receipt
Search/Exam
Feb 27, 2019
Letter accompanying subsequently filed items
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Feb 27, 2019
Oct 25, 2018
Annex to the communication
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Oct 25, 2018
Communication from the Examining Division
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Aug 29, 2018
(Electronic) Receipt
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Aug 29, 2018
Amended claims with annotations
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Aug 29, 2018
Claims
Search/Exam
Aug 29, 2018
Letter accompanying subsequently filed items
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Aug 29, 2018
Jul 6, 2018
Jun 27, 2018
(Electronic) Receipt
Search/Exam
Jun 27, 2018
Letter accompanying subsequently filed items
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Jun 27, 2018
Feb 28, 2018
Annex to the communication
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Feb 28, 2018
Communication from the Examining Division
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Feb 20, 2018
Examination started
Search/Exam
Nov 22, 2017
Nov 10, 2017
(Electronic) Receipt
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Nov 10, 2017
Letter accompanying subsequently filed items
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Oct 30, 2017
Payment of fees and costs
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Oct 30, 2017
Payment of fees and costs
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Oct 26, 2017
(Electronic) Receipt
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Oct 26, 2017
Oct 26, 2017
Amended claims with annotations
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Oct 26, 2017
Amendments received before examination
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Oct 26, 2017
Letter accompanying subsequently filed items
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May 3, 2017
Mar 29, 2017
Notification of forthcoming publication
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May 2, 2016
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European search opinion
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May 2, 2016
European search report
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May 2, 2016
Information on Search Strategy
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Apr 20, 2016
Search started
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Dec 11, 2015
Communication to designated inventor
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Dec 11, 2015
Communication to designated inventor
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Nov 26, 2015
Oct 20, 2015
Abstract
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Oct 20, 2015
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Claims
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Oct 20, 2015
Description
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Oct 20, 2015
Designation of inventor
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Oct 20, 2015
Drawings
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Oct 20, 2015
Request for grant of a European patent
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