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The patent EP3313915 was granted to Teknologian Tutkimuskeskus VTT on Nov 30, 2022. The application was filed on Jun 23, 2016 under application number EP16813793A. 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 |
|---|---|---|---|
| SUNCOAL INDUSTRIES | Aug 30, 2023 | STEFFAN & KIEHNE PATENTANWALTE PARTG MBB | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | CA2920702 |
| DESCRIPTION | EP1794363 |
| DESCRIPTION | WO2012091906 |
| DESCRIPTION | WO2015018944 |
| INTERNATIONAL-SEARCH-REPORT | CA2920702 |
| INTERNATIONAL-SEARCH-REPORT | WO2012005677 |
| INTERNATIONAL-SEARCH-REPORT | WO2014096544 |
| INTERNATIONAL-SEARCH-REPORT | WO2015025076 |
| INTERNATIONAL-SEARCH-REPORT | WO2015044528 |
| OPPOSITION | EP3059287 |
| OPPOSITION | FI20155505 |
| OPPOSITION | JPWO2015056757 |
| OPPOSITION | WO2012005677 |
| OPPOSITION | WO2014096544 |
| OPPOSITION | WO2015018944 |
| OPPOSITION | WO2015025076 |
| OPPOSITION | WO2016020383 |
| OPPOSITION | WO2016207493 |
| OPPOSITION | WO2017085278 |
| SEARCH | WO2015018944 |
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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Dec 13, 2022
Nov 4, 2022
Decision to grant a European patent
Search/Exam
Oct 26, 2022
(Electronic) Receipt
Search/Exam
Oct 26, 2022
Filing of the translations of the claims
Search/Exam
Oct 26, 2022
French translation of claims
Search/Exam
Oct 26, 2022
German translation of the claims
Search/Exam
Oct 26, 2022
Letter accompanying subsequently filed items
Search/Exam
Sep 30, 2022
Sep 22, 2022
(Electronic) Receipt
Search/Exam
Sep 22, 2022
Sep 22, 2022
Aug 19, 2022
Aug 19, 2022
Aug 19, 2022
Intention to grant (signatures)
Search/Exam
Aug 19, 2022
Text intended for grant (clean copy)
Search/Exam
Aug 19, 2022
Apr 14, 2022
(Electronic) Receipt
Search/Exam
Apr 14, 2022
Amended description with annotations
Search/Exam
Apr 14, 2022
Description
Search/Exam
Apr 14, 2022
Letter accompanying subsequently filed items
Search/Exam
Apr 14, 2022
Mar 11, 2022
Annex to the communication
Search/Exam
Mar 11, 2022
Communication from the Examining Division
Search/Exam
Dec 9, 2021
(Electronic) Receipt
Search/Exam
Dec 9, 2021
Amended claims with annotations
Search/Exam
Dec 9, 2021
Claims
Search/Exam
Dec 9, 2021
Letter accompanying subsequently filed items
Search/Exam
Dec 9, 2021
Sep 29, 2021
Annex to the communication
Search/Exam
Sep 29, 2021
Communication from the Examining Division
Search/Exam
Sep 22, 2021
Examination started
Search/Exam
Jan 16, 2020
Document concerning representation
Search/Exam
Jun 14, 2019
(Electronic) Receipt
Search/Exam
Jun 14, 2019
Jun 14, 2019
Amended claims with annotations
Search/Exam
Jun 14, 2019
Amendments received before examination
Search/Exam
Jun 14, 2019
Letter accompanying subsequently filed items
Search/Exam
Jan 31, 2019
Submission concerning representation
Search/Exam
Jan 24, 2019
Jan 7, 2019
Jan 7, 2019
European search opinion
Search/Exam
Jan 7, 2019
Information on Search Strategy
Search/Exam
Jan 7, 2019
Supplementary European search report
Search/Exam
Dec 19, 2018
Search started
Search/Exam
Aug 13, 2018
(Electronic) Receipt
Search/Exam
Aug 13, 2018
Letter accompanying subsequently filed items
Search/Exam
Aug 13, 2018
Reply to Written Opinion prepared by the EPO
Search/Exam
Apr 5, 2018
Feb 2, 2018
Jan 31, 2018
Communication to designated inventor
Search/Exam
Jan 31, 2018
Communication to designated inventor
Search/Exam
Jan 31, 2018
Communication to designated inventor
Search/Exam
Jan 31, 2018
Communication to designated inventor
Search/Exam
Jan 3, 2018
Jan 3, 2018
Nov 15, 2017
(Electronic) Receipt
Search/Exam
Nov 15, 2017
Priority search results
Search/Exam
Nov 15, 2017
Request for entry into the European phase
Search/Exam
Nov 6, 2017
Information on entry into European phase
Search/Exam
Sep 11, 2017
Sep 11, 2017
Sep 11, 2017
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Sep 11, 2017
Jun 26, 2017
Notification of election of EPO
Search/Exam
Jun 6, 2017
Written opinion
PCT2
Jun 6, 2017
Jun 6, 2017
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Apr 25, 2017
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PCT demand form
PCT2
Apr 25, 2017
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Jan 16, 2017
Dec 29, 2016
Copy of the international search report
Search/Exam
Dec 29, 2016
Published international application - A1
Search/Exam