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The patent EP3074410 was granted to UPM Kymmene on Nov 11, 2020. The application was filed on Nov 25, 2014 under application number EP14809072A. 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 |
|---|---|---|---|
| SURFACTOR GERMANY | Aug 11, 2021 | KONIG SZYNKA TILMANN VON RENESSE PATENTANWALTE PARTNERSCHAFT MBB DUSSELDORF | ADMISSIBLE |
| STORA ENSO OYJ | Jul 9, 2021 | STEINRUD | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | FI20106073 |
| INTERNATIONAL-SEARCH-REPORT | JP2014133817 |
| INTERNATIONAL-SEARCH-REPORT | WO2013144454 |
| OPPOSITION | CN101492522 |
| OPPOSITION | US4306999 |
| OPPOSITION | US4476193 |
| OPPOSITION | US4476913 |
| OPPOSITION | US5866642 |
| OPPOSITION | WO2013144453 |
| OPPOSITION | WO2013144454 |
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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Description
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Nov 23, 2020
Oct 15, 2020
Decision to grant a European patent
Search/Exam
Oct 6, 2020
Change to the inventor details
Search/Exam
Sep 30, 2020
(Electronic) Receipt
Search/Exam
Sep 30, 2020
Filing of the translations of the claims
Search/Exam
Sep 30, 2020
French translation of claims
Search/Exam
Sep 30, 2020
German translation of the claims
Search/Exam
Sep 30, 2020
Letter accompanying subsequently filed items
Search/Exam
May 20, 2020
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Intention to grant (signatures)
Search/Exam
May 20, 2020
Text intended for grant (clean copy)
Search/Exam
May 20, 2020
Dec 30, 2019
(Electronic) Receipt
Search/Exam
Dec 30, 2019
Amended claims with annotations
Search/Exam
Dec 30, 2019
Amended description with annotations
Search/Exam
Dec 30, 2019
Annex
Search/Exam
Dec 30, 2019
Annex
Search/Exam
Dec 30, 2019
Annex
Search/Exam
Dec 30, 2019
Claims
Search/Exam
Dec 30, 2019
Description
Search/Exam
Dec 30, 2019
Letter accompanying subsequently filed items
Search/Exam
Dec 30, 2019
Oct 17, 2019
Oct 11, 2019
(Electronic) Receipt
Search/Exam
Oct 11, 2019
Letter accompanying subsequently filed items
Search/Exam
Oct 11, 2019
Jun 12, 2019
Annex to the communication
Search/Exam
Jun 12, 2019
Communication from the Examining Division
Search/Exam
Feb 19, 2019
(Electronic) Receipt
Search/Exam
Feb 19, 2019
Amended claims with annotations
Search/Exam
Feb 19, 2019
Claims
Search/Exam
Feb 19, 2019
Letter accompanying subsequently filed items
Search/Exam
Feb 19, 2019
Jan 29, 2019
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Jan 23, 2019
(Electronic) Receipt
Search/Exam
Jan 23, 2019
Letter accompanying subsequently filed items
Search/Exam
Jan 23, 2019
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(Electronic) Receipt
Search/Exam
Jan 22, 2019
Letter accompanying subsequently filed items
Search/Exam
Jan 22, 2019
Oct 9, 2018
Annex to the communication
Search/Exam
Oct 9, 2018
Communication from the Examining Division
Search/Exam
May 31, 2018
(Electronic) Receipt
Search/Exam
May 31, 2018
Amended claims with annotations
Search/Exam
May 31, 2018
Claims
Search/Exam
May 31, 2018
Letter accompanying subsequently filed items
Search/Exam
May 31, 2018
Feb 23, 2018
Annex to the communication
Search/Exam
Feb 23, 2018
Communication from the Examining Division
Search/Exam
Nov 9, 2017
(Electronic) Receipt
Search/Exam
Nov 9, 2017
Amended claims with annotations
Search/Exam
Nov 9, 2017
Claims
Search/Exam
Nov 9, 2017
Letter accompanying subsequently filed items
Search/Exam
Nov 9, 2017
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Annex to the communication
Search/Exam
Jul 11, 2017
Communication from the Examining Division
Search/Exam
Jul 5, 2017
Examination started
Search/Exam
Sep 7, 2016
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Communication to designated inventor
Search/Exam
Aug 2, 2016
Communication to designated inventor
Search/Exam
Aug 2, 2016
Communication to designated inventor
Search/Exam
Jun 22, 2016
(Electronic) Receipt
Search/Exam
Jun 22, 2016
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Amended claims with annotations
Search/Exam
Jun 22, 2016
Priority search results
Search/Exam
Jun 22, 2016
Request for entry into the European phase
Search/Exam
Jun 14, 2016
Apr 8, 2016
Information on entry into European phase
Search/Exam
Jun 23, 2015
Jun 4, 2015
Copy of the international search report
Search/Exam
Jun 4, 2015
Published international application - A1
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Feb 5, 2015
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Nov 25, 2014
Abstract
PCTISA
Nov 25, 2014
Claims
PCTISA
Nov 25, 2014
Description
PCTISA
Nov 25, 2014
Drawings
PCTISA