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The patent EP3224411 was granted to Paptic on Aug 7, 2019. The application was filed on Nov 20, 2015 under application number EP15820196A. 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 |
|---|---|---|---|
| AHLSTROM OYJ | May 6, 2020 | HOFFMANN EITLE | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | CN101302319 |
| DESCRIPTION | EP0195458 |
| DESCRIPTION | EP0481746 |
| DESCRIPTION | GB1397378 |
| DESCRIPTION | US3716449 |
| DESCRIPTION | US4597831 |
| INTERNATIONAL-SEARCH-REPORT | EP1094164 |
| INTERNATIONAL-SEARCH-REPORT | US2006137799 |
| INTERNATIONAL-SEARCH-REPORT | WO2013144449 |
| INTERNATIONAL-SEARCH-REPORT | WO9602702 |
| OPPOSITION | EP0411752 |
| OPPOSITION | EP2781652 |
| OPPOSITION | GB1329409 |
| OPPOSITION | US2005136779 |
| OPPOSITION | US5204165 |
| OPPOSITION | US5522810 |
| OPPOSITION | US5853538 |
| OPPOSITION | US6734335 |
| OPPOSITION | WO2013144449 |
| OPPOSITION | WO2013165287 |
| OPPOSITION | WO9602701 |
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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Jan 27, 2025
Jan 27, 2025
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Nov 20, 2024
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Nov 18, 2024
(Electronic) Receipt
Appeal
Nov 18, 2024
Nov 18, 2024
Nov 5, 2024
Oct 31, 2024
(Electronic) Receipt
Appeal
Oct 31, 2024
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Oct 11, 2024
(Electronic) Receipt
Appeal
Oct 11, 2024
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(Electronic) Receipt
Appeal
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Mar 6, 2024
(Electronic) Receipt
Appeal
Mar 6, 2024
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Mar 5, 2024
Mar 5, 2024
Mar 4, 2024
Feb 28, 2024
(Electronic) Receipt
Appeal
Feb 28, 2024
Feb 28, 2024
Feb 12, 2024
Feb 8, 2024
(Electronic) Receipt
Appeal
Feb 8, 2024
Feb 8, 2024
Feb 1, 2024
(Electronic) Receipt
Appeal
Feb 1, 2024
Feb 1, 2024
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Jan 29, 2024
Sep 15, 2023
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Jun 1, 2023
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Nov 14, 2022
Nov 9, 2022
(Electronic) Receipt
Appeal
Nov 9, 2022
Nov 9, 2022
Nov 9, 2022
Reply to appeal
Appeal
Jul 13, 2022
Jul 8, 2022
(Electronic) Receipt
Appeal
Jul 8, 2022
Jul 8, 2022
Jul 8, 2022
Jul 8, 2022
Claims
Appeal
Jul 8, 2022
Jul 8, 2022
May 16, 2022
May 11, 2022
(Electronic) Receipt
Appeal
May 11, 2022
May 11, 2022
May 9, 2022
May 9, 2022
Apr 29, 2022
(Electronic) Receipt
Appeal
Apr 29, 2022
Apr 29, 2022
Notice of appeal
Appeal
Mar 3, 2022
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Means of redress
OPPO
Mar 1, 2022
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Aug 19, 2019
Jul 11, 2019
Decision to grant a European patent
Search/Exam
Jun 25, 2019
(Electronic) Receipt
Search/Exam
Jun 25, 2019
Filing of the translations of the claims
Search/Exam
Jun 25, 2019
French translation of claims
Search/Exam
Jun 25, 2019
German translation of the claims
Search/Exam
Jun 25, 2019
Letter accompanying subsequently filed items
Search/Exam
Feb 27, 2019
Feb 27, 2019
Feb 27, 2019
Intention to grant (signatures)
Search/Exam
Feb 27, 2019
Text intended for grant (clean copy)
Search/Exam
Feb 27, 2019
Sep 24, 2018
(Electronic) Receipt
Search/Exam
Sep 24, 2018
Amended claims with annotations
Search/Exam
Sep 24, 2018
Amended description with annotations
Search/Exam
Sep 24, 2018
Claims
Search/Exam
Sep 24, 2018
Description
Search/Exam
Sep 24, 2018
Letter accompanying subsequently filed items
Search/Exam
Sep 24, 2018
Jun 4, 2018
Annex to the communication
Search/Exam
Jun 4, 2018
Communication from the Examining Division
Search/Exam
May 28, 2018
Examination started
Search/Exam
Jan 31, 2018
(Electronic) Receipt
Search/Exam
Jan 31, 2018
Jan 31, 2018
Amended claims with annotations
Search/Exam
Jan 31, 2018
Amendments received before examination
Search/Exam
Jan 31, 2018
Letter accompanying subsequently filed items
Search/Exam
Sep 6, 2017
Jul 21, 2017
Jul 17, 2017
Communication to designated inventor
Search/Exam
Jul 17, 2017
Communication to designated inventor
Search/Exam
Jul 17, 2017
Communication to designated inventor
Search/Exam
Jul 17, 2017
Communication to designated inventor
Search/Exam
Jun 15, 2017
(Electronic) Receipt
Search/Exam
Jun 15, 2017
Priority search results
Search/Exam
Jun 15, 2017
Request for entry into the European phase
Search/Exam
Jun 14, 2017
Apr 7, 2017
Information on entry into European phase
Search/Exam
Jun 21, 2016
Jun 2, 2016
Copy of the international search report
Search/Exam
Jun 2, 2016
Published international application - A1
Search/Exam
Mar 3, 2016
ISR: cited documents
PCTISA
Mar 2, 2016
Mar 2, 2016
Mar 2, 2016
Jan 21, 2016
Dec 14, 2015
Nov 20, 2015
Abstract
PCTISA
Nov 20, 2015
Annex
PCTISA
Nov 20, 2015
Claims
PCTISA
Nov 20, 2015
Description
PCTISA
Nov 20, 2015
Drawings
PCTISA