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The patent EP3259530 was granted to Inray on Feb 7, 2024. The application was filed on Feb 18, 2016 under application number EP16751974A. 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 |
|---|---|---|---|
| UPM ENERGY | Feb 26, 2021 | PAPULA | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | EP0415582 |
| DESCRIPTION | US4540129 |
| DESCRIPTION | US8640633 |
| INTERNATIONAL-SEARCH-REPORT | EP0415582 |
| INTERNATIONAL-SEARCH-REPORT | JP2015045463 |
| INTERNATIONAL-SEARCH-REPORT | US2002050236 |
| INTERNATIONAL-SEARCH-REPORT | US2013079922 |
| INTERNATIONAL-SEARCH-REPORT | US2013312321 |
| INTERNATIONAL-SEARCH-REPORT | US4521139 |
| OPPOSITION | DD265246 |
| OPPOSITION | EP0344757 |
| OPPOSITION | EP0415582 |
| OPPOSITION | EP1746145 |
| OPPOSITION | EP2141414 |
| OPPOSITION | JP2002302265 |
| OPPOSITION | JPH07108731 |
| OPPOSITION | RU2180648 |
| OPPOSITION | US2002050236 |
| OPPOSITION | US2013079922 |
| OPPOSITION | US3270204 |
| OPPOSITION | US4521139 |
| OPPOSITION | US4540129 |
| OPPOSITION | US6182584 |
| OPPOSITION | US8640633 |
| OPPOSITION | WO2013177350 |
| OPPOSITION | WO2014065768 |
| OPPOSITION | WO2014179757 |
| SEARCH | EP0344757 |
| SEARCH | US4540129 |
| SEARCH | US8640633 |
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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OPPO
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Authorisation
OPPO
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Description
OPPO
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Jun 8, 2020
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Decision to grant a European patent
Search/Exam
Apr 15, 2020
(Electronic) Receipt
Search/Exam
Apr 15, 2020
Filing of the translations of the claims
Search/Exam
Apr 15, 2020
French translation of claims
Search/Exam
Apr 15, 2020
German translation of the claims
Search/Exam
Apr 15, 2020
Letter accompanying subsequently filed items
Search/Exam
Dec 17, 2019
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Intention to grant (signatures)
Search/Exam
Dec 17, 2019
Text intended for grant (clean copy)
Search/Exam
Dec 17, 2019
Aug 14, 2019
(Electronic) Receipt
Search/Exam
Aug 14, 2019
Amended claims with annotations
Search/Exam
Aug 14, 2019
Claims
Search/Exam
Aug 14, 2019
Letter accompanying subsequently filed items
Search/Exam
Aug 14, 2019
Apr 16, 2019
Annex to the communication
Search/Exam
Apr 16, 2019
Communication from the Examining Division
Search/Exam
Apr 4, 2019
Examination started
Search/Exam
Dec 21, 2018
(Electronic) Receipt
Search/Exam
Dec 21, 2018
Dec 21, 2018
Amended claims with annotations
Search/Exam
Dec 21, 2018
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Amended description with annotations
Search/Exam
Dec 21, 2018
Amendments received before examination
Search/Exam
Dec 21, 2018
Drawings
Search/Exam
Dec 21, 2018
Letter accompanying subsequently filed items
Search/Exam
Oct 16, 2018
Sep 28, 2018
Sep 28, 2018
European search opinion
Search/Exam
Sep 28, 2018
Information on Search Strategy
Search/Exam
Sep 28, 2018
Supplementary European search report
Search/Exam
Aug 28, 2018
Search started
Search/Exam
Mar 26, 2018
(Electronic) Receipt
Search/Exam
Mar 26, 2018
Mar 26, 2018
Amended claims with annotations
Search/Exam
Mar 26, 2018
Amendments received before examination
Search/Exam
Mar 26, 2018
Letter accompanying subsequently filed items
Search/Exam
Nov 29, 2017
Oct 12, 2017
Oct 10, 2017
Communication to designated inventor
Search/Exam
Oct 10, 2017
Communication to designated inventor
Search/Exam
Sep 14, 2017
(Electronic) Receipt
Search/Exam
Sep 14, 2017
Priority search results
Search/Exam
Sep 14, 2017
Priority search results
Search/Exam
Sep 14, 2017
Request for entry into the European phase
Search/Exam
Sep 5, 2017
Jun 30, 2017
Information on entry into European phase
Search/Exam
Nov 29, 2016
Notification of the recording of a change
Search/Exam
Sep 14, 2016
Sep 14, 2016
Aug 25, 2016
Copy of the international search report
Search/Exam
Aug 25, 2016
Published international application - A1
Search/Exam