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The patent EP3303647 was granted to Salzgitter Flachstahl on Mar 20, 2019. The application was filed on May 31, 2016 under application number EP16729811A. 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 |
|---|---|---|---|
| THYSSENKRUPP STEEL EUROPE | Dec 20, 2019 | COHAUSZ & FLORACK | ADMISSIBLE |
| VOESTALPINE STAHL | Dec 12, 2019 | HGF | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | DE102010024664 |
| DESCRIPTION | DE102010056265 |
| DESCRIPTION | DE102013100682 |
| DESCRIPTION | DE10246614 |
| DESCRIPTION | DE60119826T |
| DESCRIPTION | EP2414562 |
| DESCRIPTION | JP2006152427 |
| DESCRIPTION | WO2005021821 |
| DESCRIPTION | WO2009082091 |
| DESCRIPTION | WO2010069588 |
| DESCRIPTION | WO2012028224 |
| INTERNATIONAL-SEARCH-REPORT | EP1806421 |
| INTERNATIONAL-SEARCH-REPORT | EP1865086 |
| INTERNATIONAL-SEARCH-REPORT | JP2002088447 |
| INTERNATIONAL-SEARCH-REPORT | JP2006152427 |
| INTERNATIONAL-SEARCH-REPORT | JP2007332457 |
| INTERNATIONAL-SEARCH-REPORT | US2007006948 |
| OPPOSITION | DE102008022400 |
| OPPOSITION | DE102010056264 |
| OPPOSITION | DE60011666T |
| OPPOSITION | EP1146132 |
| OPPOSITION | EP2256224 |
| OPPOSITION | EP2740812 |
| OPPOSITION | WO2005021822 |
| OPPOSITION | WO2012085247 |
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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Decision to grant a European patent
Search/Exam
Feb 11, 2019
(Electronic) Receipt
Search/Exam
Feb 11, 2019
English translation of the claims
Search/Exam
Feb 11, 2019
Filing of the translations of the claims
Search/Exam
Feb 11, 2019
French translation of claims
Search/Exam
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Intention to grant (signatures)
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Text intended for grant (clean copy)
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Examination started
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Communication to designated inventor
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Communication to designated inventor
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(Electronic) Receipt
Search/Exam
Dec 7, 2017
Priority search results
Search/Exam
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Request for entry into the European phase
Search/Exam
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Information on entry into European phase
Search/Exam
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Copy of the international search report
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Copy of the international search report
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Dec 8, 2016
Published international application - A1
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(Electronic) Receipt
PCTRO
May 31, 2016
Abstract
PCTRO
May 31, 2016
Claims
PCTRO
May 31, 2016
Description
PCTRO
May 31, 2016
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