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The patent EP3078893 was granted to Nippon Steel & Sumitomo Metal on Jun 20, 2018. The application was filed on Dec 5, 2014 under application number EP14867059A. The patent is currently recorded with a legal status of "Revoked".

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 |
|---|---|---|---|
| TENARIS CONNECTIONS | Mar 20, 2019 | BOULT WADE TENNANT | - |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | JPH09119564 |
| DESCRIPTION | JPH09273671 |
| DESCRIPTION | JPH1089554 |
| INTERNATIONAL-SEARCH-REPORT | JP2010537135 |
| INTERNATIONAL-SEARCH-REPORT | JP2012247028 |
| INTERNATIONAL-SEARCH-REPORT | JPH0483988 |
| INTERNATIONAL-SEARCH-REPORT | JPH06281061 |
| INTERNATIONAL-SEARCH-REPORT | JPH07100773 |
| INTERNATIONAL-SEARCH-REPORT | JPH09119564 |
| INTERNATIONAL-SEARCH-REPORT | US2003168859 |
| INTERNATIONAL-SEARCH-REPORT | WO0175347 |
| INTERNATIONAL-SEARCH-REPORT | WO2012162214 |
| INTERNATIONAL-SEARCH-REPORT | WO2013108931 |
| OPPOSITION | US2002027363 |
| OPPOSITION | US2003168859 |
| OPPOSITION | US2011042946 |
| OPPOSITION | US6412831 |
| OPPOSITION | US7527304 |
| OPPOSITION | US7690696 |
| OPPOSITION | WO2004109173 |
| OPPOSITION | WO2007114460 |
| SEARCH | US2002074799 |
| SEARCH | US2003168859 |
| SEARCH | US4692988 |
| SEARCH | WO9518329 |
| SEARCH | WO9908034 |
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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Jul 2, 2018
May 25, 2018
Decision to grant a European patent
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May 10, 2018
(Electronic) Receipt
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May 10, 2018
Filing of the translations of the claims
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May 10, 2018
French translation of claims
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May 10, 2018
German translation of the claims
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May 10, 2018
Letter accompanying subsequently filed items
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Mar 7, 2018
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Intention to grant (signatures)
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Mar 7, 2018
Text intended for grant (clean copy)
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Mar 7, 2018
Feb 5, 2018
Jan 15, 2018
(Electronic) Receipt
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Jan 15, 2018
Amended claims with annotations
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Jan 15, 2018
Amended description with annotations
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Jan 15, 2018
Claims
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Jan 15, 2018
Description
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Jan 15, 2018
Letter accompanying subsequently filed items
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Jan 15, 2018
Oct 27, 2017
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Intention to grant (signatures)
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Oct 27, 2017
Text intended for grant (clean copy)
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Oct 27, 2017
Sep 29, 2017
Examination started
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Sep 7, 2017
(Electronic) Receipt
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Sep 7, 2017
Sep 7, 2017
Amended claims with annotations
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Sep 7, 2017
Sep 7, 2017
Amended description with annotations
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Sep 7, 2017
Amendments received before examination
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Sep 7, 2017
Letter accompanying subsequently filed items
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Jun 23, 2017
Jun 12, 2017
Jun 7, 2017
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European search opinion
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Jun 6, 2017
Information on Search Strategy
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Jun 6, 2017
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Supplementary European search report
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May 24, 2017
Search started
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Sep 14, 2016
Notification of forthcoming publication
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Jul 12, 2016
Jul 8, 2016
Communication to designated inventor
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Jun 21, 2016
Jun 21, 2016
Jun 2, 2016
Information regarding early processing
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May 6, 2016
(Electronic) Receipt
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May 6, 2016
Abstract
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May 6, 2016
Claims
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May 6, 2016
Description
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May 6, 2016
Drawings
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May 6, 2016
Matter concerning the application
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May 6, 2016
Request for entry into the European phase
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Apr 15, 2016
Information on entry into European phase
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Jun 29, 2015
Jun 11, 2015
Copy of the international search report
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Jun 11, 2015
Jun 11, 2015
International publication pamphlet
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