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The patent EP2948531 was granted to REN Fuel KB on Sep 30, 2020. The application was filed on Jan 24, 2014 under application number EP14743114A. 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 |
|---|---|---|---|
| SCA FOREST PRODUCTS | Jun 28, 2021 | WEICKMANN & WEICKMANN PARTMBB | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | WO2013SE51045 |
| DESCRIPTION | US2011203166 |
| DESCRIPTION | US4734103 |
| DESCRIPTION | WO2012121659 |
| INTERNATIONAL-SEARCH-REPORT | US2009145021 |
| INTERNATIONAL-SEARCH-REPORT | US2009218062 |
| INTERNATIONAL-SEARCH-REPORT | US3105095 |
| INTERNATIONAL-SEARCH-REPORT | US4762529 |
| INTERNATIONAL-SEARCH-REPORT | WO2009102272 |
| INTERNATIONAL-SEARCH-REPORT | WO2011003029 |
| INTERNATIONAL-SEARCH-REPORT | WO9610067 |
| OPPOSITION | US2003100807 |
| OPPOSITION | US2009218062 |
| OPPOSITION | US3105095 |
| OPPOSITION | WO2012005784 |
| OPPOSITION | WO2012092644 |
| OPPOSITION | WO2015094099 |
| OTHER | CN1218777 |
| OTHER | SE538224 |
| OTHER | US2012302699 |
| OTHER | US2410578 |
| OTHER | US3105095 |
| OTHER | US5925182 |
| OTHER | WO2012005784 |
| SEARCH | US2003100807 |
| SEARCH | US6072015 |
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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Oct 12, 2020
Sep 3, 2020
Decision to grant a European patent
Search/Exam
Aug 17, 2020
(Electronic) Receipt
Search/Exam
Aug 17, 2020
Filing of the translations of the claims
Search/Exam
Aug 17, 2020
French translation of claims
Search/Exam
Aug 17, 2020
German translation of the claims
Search/Exam
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Intention to grant (signatures)
Search/Exam
Apr 17, 2020
Text intended for grant (clean copy)
Search/Exam
Apr 17, 2020
Feb 4, 2020
(Electronic) Receipt
Search/Exam
Feb 4, 2020
Abstract
Search/Exam
Feb 4, 2020
Amended description with annotations
Search/Exam
Feb 4, 2020
Description
Search/Exam
Feb 4, 2020
Letter accompanying subsequently filed items
Search/Exam
Feb 4, 2020
Modified abstract
Search/Exam
Feb 4, 2020
Jan 21, 2020
Annex to the communication
Search/Exam
Jan 21, 2020
Communication from the Examining Division
Search/Exam
Nov 13, 2019
Nov 7, 2019
(Electronic) Receipt
Search/Exam
Nov 7, 2019
Annexes in respect of a client data request
Search/Exam
Nov 7, 2019
Letter accompanying subsequently filed items
Search/Exam
Nov 7, 2019
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Jul 30, 2019
Observations by third parties
Search/Exam
Jun 26, 2019
(Electronic) Receipt
Search/Exam
Jun 26, 2019
Amended claims with annotations
Search/Exam
Jun 26, 2019
Claims
Search/Exam
Jun 26, 2019
Letter accompanying subsequently filed items
Search/Exam
Jun 26, 2019
May 13, 2019
Annex to the communication
Search/Exam
May 13, 2019
Communication from the Examining Division
Search/Exam
Dec 6, 2018
(Electronic) Receipt
Search/Exam
Dec 6, 2018
Amended claims with annotations
Search/Exam
Dec 6, 2018
Claims
Search/Exam
Dec 6, 2018
Letter accompanying subsequently filed items
Search/Exam
Dec 6, 2018
Aug 1, 2018
Annex to the communication
Search/Exam
Aug 1, 2018
Communication from the Examining Division
Search/Exam
Jul 25, 2018
Examination started
Search/Exam
Jul 13, 2018
Jul 6, 2018
Observations by third parties
Search/Exam
Apr 16, 2018
Feb 16, 2017
(Electronic) Receipt
Search/Exam
Feb 16, 2017
Letter accompanying subsequently filed items
Search/Exam
Feb 16, 2017
Priority search results
Search/Exam
Feb 16, 2017
Priority search results
Search/Exam
Feb 16, 2017
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(Electronic) Receipt
Search/Exam
Jan 9, 2017
Letter accompanying subsequently filed items
Search/Exam
Jan 9, 2017
Reply to Written Opinion prepared by the EPO
Search/Exam
Jul 7, 2016
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European search opinion
Search/Exam
Jun 20, 2016
Information on Search Strategy
Search/Exam
Jun 20, 2016
Supplementary European search report
Search/Exam
Jun 6, 2016
Search started
Search/Exam
Feb 10, 2016
Submission concerning representation
Search/Exam
Nov 4, 2015
Sep 25, 2015
Sep 23, 2015
Communication to designated inventor
Search/Exam
Sep 23, 2015
Communication to designated inventor
Search/Exam
Sep 23, 2015
Communication to designated inventor
Search/Exam
Aug 25, 2015
(Electronic) Receipt
Search/Exam
Aug 25, 2015
Aug 25, 2015
Amended claims with annotations
Search/Exam
Aug 25, 2015
Request for entry into the European phase
Search/Exam
Aug 3, 2015
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Information on entry into European phase
Search/Exam
Jan 15, 2015
Copy of the international search report
Search/Exam
Jan 15, 2015
Published international application - A9
Search/Exam
Dec 16, 2014
Notification of election of EPO
Search/Exam
Aug 20, 2014
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Jul 31, 2014
Copy of the international search report
Search/Exam
Jul 31, 2014
Published international application - A1
Search/Exam