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The patent EP3529282 was granted to Circulose on Sep 23, 2020. The application was filed on Oct 16, 2017 under application number EP17804813A. 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 |
|---|---|---|---|
| SODRA SKOGSAGAMA EKONOMISK FORENING | Jun 23, 2021 | VALEA | ADMISSIBLE |
| SCHWARZ & PARTNER PATENTANWALTE | Jun 18, 2021 | SCHWARZ & PARTNER PATENTANWALTE | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | CN102747622 |
| DESCRIPTION | US5609676 |
| DESCRIPTION | WO2010124944 |
| DESCRIPTION | WO2012057684 |
| DESCRIPTION | WO2013004909 |
| DESCRIPTION | WO2013124265 |
| DESCRIPTION | WO2014045062 |
| DESCRIPTION | WO2014162062 |
| DESCRIPTION | WO2015077807 |
| INTERNATIONAL-SEARCH-REPORT | EP0717131 |
| INTERNATIONAL-SEARCH-REPORT | US2004000012 |
| INTERNATIONAL-SEARCH-REPORT | WO2012057684 |
| INTERNATIONAL-SEARCH-REPORT | WO2013124265 |
| OPPOSITION | EP0654557 |
| OPPOSITION | EP0717131 |
| OPPOSITION | GB615741 |
| OPPOSITION | IN146666 |
| OPPOSITION | US2004000012 |
| OPPOSITION | US3318657 |
| OPPOSITION | US3591325 |
| OPPOSITION | US4227881 |
| OPPOSITION | US5464501 |
| OPPOSITION | US5609676 |
| OPPOSITION | WO2013124265 |
| OPPOSITION | WO2015077807 |
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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(Electronic) Receipt
Appeal
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(Electronic) Receipt
Appeal
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Appeal
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Appeal
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Appeal
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Appeal
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Appeal
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Brief communication
Appeal
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Aug 27, 2024
(Electronic) Receipt
Appeal
Aug 27, 2024
Annex
Appeal
Aug 27, 2024
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General authorisation
Appeal
Aug 27, 2024
General authorisation
Appeal
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Appeal
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(Electronic) Receipt
Appeal
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Reply to appeal
Appeal
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Appeal
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(Electronic) Receipt
Appeal
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Notice of appeal
Appeal
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Notice of appeal
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Oct 5, 2020
Aug 27, 2020
Decision to grant a European patent
Search/Exam
Aug 10, 2020
(Electronic) Receipt
Search/Exam
Aug 10, 2020
Filing of the translations of the claims
Search/Exam
Aug 10, 2020
French translation of claims
Search/Exam
Aug 10, 2020
German translation of the claims
Search/Exam
Aug 10, 2020
Letter accompanying subsequently filed items
Search/Exam
May 6, 2020
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Intention to grant (signatures)
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May 6, 2020
Text intended for grant (clean copy)
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May 6, 2020
Apr 3, 2020
Examination started
Search/Exam
Jan 28, 2020
(Electronic) Receipt
Search/Exam
Jan 28, 2020
Letter accompanying subsequently filed items
Search/Exam
Jan 28, 2020
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Priority search results
Search/Exam
Jan 28, 2020
Jan 15, 2020
Jul 31, 2019
May 28, 2019
May 24, 2019
Communication to designated inventor
Search/Exam
May 24, 2019
Communication to designated inventor
Search/Exam
May 24, 2019
Communication to designated inventor
Search/Exam
May 9, 2019
Apr 25, 2019
(Electronic) Receipt
Search/Exam
Apr 25, 2019
Apr 25, 2019
Amended claims with annotations
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Apr 25, 2019
Request for entry into the European phase
Search/Exam
Mar 1, 2019
Information on entry into European phase
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Dec 6, 2018
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Notification of the recording of a change
Search/Exam
May 16, 2018
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Copy of the international search report
Search/Exam
Apr 26, 2018
Published international application - A1
Search/Exam
Jan 15, 2018
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Dec 11, 2017
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Oct 16, 2017
(Electronic) Receipt
PCTRO
Oct 16, 2017
Abstract
PCTRO
Oct 16, 2017
Claims
PCTRO
Oct 16, 2017
Description
PCTRO
Oct 16, 2017
Oct 16, 2017