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The patent EP3715002 was granted to Primetals Japan on Oct 30, 2024. The application was filed on Jan 29, 2019 under application number EP19739502A. 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 |
|---|---|---|---|
| SMS GROUP | Mar 14, 2023 | HEMMERICH & KOLLEGEN | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | JP4508949B |
| INTERNATIONAL-SEARCH-REPORT | JP2000280014 |
| INTERNATIONAL-SEARCH-REPORT | JPS5122657 |
| OPPOSITION | CN104785532 |
| OPPOSITION | CN107052049 |
| OPPOSITION | JP2000280014 |
| OPPOSITION | JP2006334647 |
| OPPOSITION | RU2156667 |
| OPPOSITION | US6014882 |
| SEARCH | CN107052049 |
| SEARCH | DE29623757U |
| SEARCH | JP2000280014 |
| SEARCH | US6014882 |
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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Decision to grant a European patent
Search/Exam
May 6, 2022
(Electronic) Receipt
Search/Exam
May 6, 2022
French translation of claims
Search/Exam
May 6, 2022
German translation of the claims
Search/Exam
May 6, 2022
Letter accompanying subsequently filed items
Search/Exam
Mar 1, 2022
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Intention to grant (signatures)
Search/Exam
Mar 1, 2022
Text intended for grant (clean copy)
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Mar 1, 2022
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Examination started
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Aug 16, 2021
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Sep 2, 2020
Notification of forthcoming publication
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Aug 27, 2020
(Electronic) Receipt
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Aug 27, 2020
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Amended claims with annotations
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Aug 27, 2020
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Amendments received before examination
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Aug 27, 2020
Letter accompanying subsequently filed items
Search/Exam
Aug 6, 2020
Copy of the international search report
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Aug 6, 2020
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International publication pamphlet
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Feb 27, 2020
Feb 10, 2020
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European search opinion
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Feb 10, 2020
Information on Search Strategy
Search/Exam
Feb 10, 2020
Supplementary European search report
Search/Exam
Jan 28, 2020
Search started
Search/Exam
Oct 15, 2019
Oct 15, 2019
Sep 19, 2019
Sep 13, 2019
Refund of fees
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Sep 11, 2019
Communication to designated inventor
Search/Exam
Sep 11, 2019
Communication to designated inventor
Search/Exam
Sep 11, 2019
Sep 10, 2019
Enquiry with the International Bureau
Search/Exam
Sep 4, 2019
Annex
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Sep 4, 2019
Annex
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Sep 4, 2019
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Copy of the international search report
Search/Exam
Sep 4, 2019
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Jul 30, 2019
Enquiry with the International Bureau
Search/Exam
Jul 23, 2019
(Electronic) Receipt
Search/Exam
Jul 23, 2019
Abstract
Search/Exam
Jul 23, 2019
Claims
Search/Exam
Jul 23, 2019
Description
Search/Exam
Jul 23, 2019
Drawings
Search/Exam
Jul 23, 2019
Request for entry into the European phase
Search/Exam