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The patent EP2488777 was granted to Hydril on Jul 15, 2020. The application was filed on Oct 12, 2010 under application number EP10823928A. 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 |
|---|---|---|---|
| VALLOUREC OIL AND GAS FRANCE | Apr 14, 2021 | MBACKE | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | WO2003EP11238 |
| DESCRIPTION | US2008054633 |
| DESCRIPTION | US2008129044 |
| DESCRIPTION | US2009033087 |
| DESCRIPTION | US4703954 |
| DESCRIPTION | US5454605 |
| DESCRIPTION | US6206436 |
| DESCRIPTION | USRE30647E |
| DESCRIPTION | USRE34467E |
| EXAMINATION | EP2486317 |
| INTERNATIONAL-SEARCH-REPORT | JP2002310345 |
| INTERNATIONAL-SEARCH-REPORT | JP2002543345 |
| INTERNATIONAL-SEARCH-REPORT | JP2008215473 |
| OPPOSITION | EP1046779 |
| OPPOSITION | EP1313827 |
| OPPOSITION | US2008054633 |
| OPPOSITION | US25112409P |
| OPPOSITION | US6578880 |
| OPPOSITION | US6971681 |
| OPPOSITION | WO2007063079 |
| OPPOSITION | WO2008077143 |
| OPPOSITION | WO2008116891 |
| OPPOSITION | WO2011048455 |
| SEARCH | US2009033087 |
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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Feb 19, 2025
Feb 19, 2025
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Feb 5, 2025
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Jan 28, 2025
(Electronic) Receipt
Appeal
Jan 28, 2025
Authorisation
Appeal
Jan 28, 2025
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Jan 17, 2025
(Electronic) Receipt
Appeal
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(Electronic) Receipt
Appeal
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(Electronic) Receipt
Appeal
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Dec 2, 2024
(Electronic) Receipt
Appeal
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Jun 25, 2024
(Electronic) Receipt
Appeal
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(Electronic) Receipt
Appeal
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Apr 10, 2024
Sep 15, 2023
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Sep 12, 2023
(Electronic) Receipt
Appeal
Sep 12, 2023
Sep 12, 2023
Reply to appeal
Appeal
Sep 11, 2023
(Electronic) Receipt
Appeal
Sep 11, 2023
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Reply to appeal
Appeal
Sep 11, 2023
Reply to appeal
Appeal
May 2, 2023
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Apr 24, 2023
(Electronic) Receipt
Appeal
Apr 24, 2023
Apr 24, 2023
Apr 21, 2023
(Electronic) Receipt
Appeal
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Refund of fees
Appeal
Feb 14, 2023
(Electronic) Receipt
Appeal
Feb 14, 2023
Feb 14, 2023
Notice of appeal
Appeal
Feb 14, 2023
Feb 10, 2023
(Electronic) Receipt
Appeal
Feb 10, 2023
Feb 10, 2023
Notice of appeal
Appeal
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Means of redress
OPPO
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Jul 27, 2020
Jun 18, 2020
Decision to grant a European patent
Search/Exam
Jun 15, 2020
Intention to grant (signatures)
Search/Exam
Jun 4, 2020
Jun 4, 2020
Jun 4, 2020
Text intended for grant (clean copy)
Search/Exam
Jun 4, 2020
Apr 8, 2020
(Electronic) Receipt
Search/Exam
Apr 8, 2020
Description
Search/Exam
Apr 8, 2020
French translation of claims
Search/Exam
Apr 8, 2020
German translation of the claims
Search/Exam
Apr 8, 2020
Letter accompanying subsequently filed items
Search/Exam
Apr 8, 2020
Jan 9, 2020
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Intention to grant (signatures)
Search/Exam
Jan 9, 2020
Text intended for grant (clean copy)
Search/Exam
Jan 9, 2020
Nov 18, 2019
(Electronic) Receipt
Search/Exam
Nov 18, 2019
Amended claims with annotations
Search/Exam
Nov 18, 2019
Claims
Search/Exam
Nov 18, 2019
Description
Search/Exam
Nov 18, 2019
Letter accompanying subsequently filed items
Search/Exam
Nov 18, 2019
Sep 17, 2019
Sep 9, 2019
(Electronic) Receipt
Search/Exam
Sep 9, 2019
Letter accompanying subsequently filed items
Search/Exam
Sep 9, 2019
May 10, 2019
Annex to the communication
Search/Exam
May 10, 2019
Communication from the Examining Division
Search/Exam
May 3, 2019
Examination started
Search/Exam
Oct 27, 2017
Oct 27, 2017
Oct 16, 2017
(Electronic) Receipt
Search/Exam
Oct 16, 2017
Letter accompanying subsequently filed items
Search/Exam
Oct 16, 2017
Oct 13, 2017
(Electronic) Receipt
Search/Exam
Oct 13, 2017
Authorisation
Search/Exam
Oct 13, 2017
Letter accompanying subsequently filed items
Search/Exam
Oct 13, 2017
Oct 6, 2017
(Electronic) Receipt
Search/Exam
Oct 6, 2017
Oct 6, 2017
Amended claims with annotations
Search/Exam
Oct 6, 2017
Oct 6, 2017
Amended description with annotations
Search/Exam
Oct 6, 2017
Amendments received before examination
Search/Exam
Oct 6, 2017
Letter accompanying subsequently filed items
Search/Exam
Apr 7, 2017
Mar 21, 2017
Mar 21, 2017
European search opinion
Search/Exam
Mar 21, 2017
Information on Search Strategy
Search/Exam
Mar 21, 2017
Supplementary European search report
Search/Exam
Mar 13, 2017
Search started
Search/Exam
Sep 4, 2013
Payment of fees and costs
Search/Exam
Jul 25, 2012
Jun 28, 2012
Jun 13, 2012
May 22, 2012
May 11, 2012
(Electronic) Receipt
Search/Exam
May 11, 2012
Request for entry into the European phase
Search/Exam
May 10, 2012
Feb 24, 2012
Information on entry into European phase
Search/Exam
Jul 28, 2011
Copy of the international search report
Search/Exam
Jul 28, 2011
May 11, 2011
May 11, 2011
Apr 21, 2011
Published international application - A2
Search/Exam