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The patent EP3519627 was granted to Huhtamaki Molded Fiber Technology on Dec 8, 2021. The application was filed on Oct 3, 2017 under application number EP17791180A. The patent is currently recorded with a legal status of "Granted And Under Opposition".

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 |
|---|---|---|---|
| KEMIRA OYJ | Sep 7, 2022 | ESPATENT | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | WO2010064899 |
| INTERNATIONAL-SEARCH-REPORT | US2010181372 |
| INTERNATIONAL-SEARCH-REPORT | WO2013007872 |
| INTERNATIONAL-SEARCH-REPORT | WO2014064340 |
| INTERNATIONAL-SEARCH-REPORT | WO2015057061 |
| INTERNATIONAL-SEARCH-REPORT | WO2016130006 |
| OPPOSITION | EP0805181 |
| OPPOSITION | JP2003013391 |
| OPPOSITION | JPH07119098 |
| OPPOSITION | JPH08269888 |
| OPPOSITION | NL2015319B |
| OPPOSITION | US5964933 |
| OPPOSITION | US740023 |
| OPPOSITION | US9228079 |
| OPPOSITION | WO2011099837 |
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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Appeal
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Appeal
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Appeal
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(Electronic) Receipt
Appeal
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Reply to appeal
Appeal
Nov 1, 2024
(Electronic) Receipt
Appeal
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Reply to appeal
Appeal
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(Electronic) Receipt
Appeal
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(Electronic) Receipt
Appeal
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Description
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Appeal
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(Electronic) Receipt
Appeal
May 1, 2024
May 1, 2024
Notice of appeal
Appeal
Apr 26, 2024
(Electronic) Receipt
Appeal
Apr 26, 2024
Notice of appeal
Appeal
Mar 1, 2024
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OPPO
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Dec 21, 2021
Nov 11, 2021
Decision to grant a European patent
Search/Exam
Sep 24, 2021
(Electronic) Receipt
Search/Exam
Sep 24, 2021
Filing of the translations of the claims
Search/Exam
Sep 24, 2021
French translation of claims
Search/Exam
Sep 24, 2021
German translation of the claims
Search/Exam
Aug 18, 2021
Aug 11, 2021
(Electronic) Receipt
Search/Exam
Aug 11, 2021
Letter accompanying subsequently filed items
Search/Exam
Aug 11, 2021
Jul 8, 2021
Jul 8, 2021
Jul 8, 2021
Intention to grant (signatures)
Search/Exam
Jul 8, 2021
Text intended for grant (clean copy)
Search/Exam
Jul 8, 2021
Apr 8, 2021
(Electronic) Receipt
Search/Exam
Apr 8, 2021
Amended description with annotations
Search/Exam
Apr 8, 2021
Description
Search/Exam
Apr 8, 2021
Letter accompanying subsequently filed items
Search/Exam
Apr 8, 2021
Feb 19, 2021
Annex to the communication
Search/Exam
Feb 19, 2021
Communication from the Examining Division
Search/Exam
Dec 15, 2020
(Electronic) Receipt
Search/Exam
Dec 15, 2020
Amended description with annotations
Search/Exam
Dec 15, 2020
Description
Search/Exam
Dec 15, 2020
Letter accompanying subsequently filed items
Search/Exam
Dec 15, 2020
Nov 24, 2020
Annex to the communication
Search/Exam
Nov 24, 2020
Communication from the Examining Division
Search/Exam
Oct 2, 2020
(Electronic) Receipt
Search/Exam
Oct 2, 2020
Amended claims with annotations
Search/Exam
Oct 2, 2020
Claims
Search/Exam
Oct 2, 2020
Letter accompanying subsequently filed items
Search/Exam
Oct 2, 2020
Jul 7, 2020
Annex to the communication
Search/Exam
Jul 7, 2020
Communication from the Examining Division
Search/Exam
Jun 18, 2020
Examination started
Search/Exam
Feb 28, 2020
(Electronic) Receipt
Search/Exam
Feb 28, 2020
Letter accompanying subsequently filed items
Search/Exam
Feb 28, 2020
Feb 12, 2020
Decision to allow further processing
Search/Exam
Feb 10, 2020
Jan 31, 2020
(Electronic) Receipt
Search/Exam
Jan 31, 2020
Letter accompanying subsequently filed items
Search/Exam
Jan 31, 2020
Request for further processing
Search/Exam
Jan 8, 2020
Claim deemed abandoned
Search/Exam
Nov 7, 2019
(Electronic) Receipt
Search/Exam
Nov 7, 2019
Nov 7, 2019
Amended claims with annotations
Search/Exam
Nov 7, 2019
Nov 7, 2019
Amended description with annotations
Search/Exam
Nov 7, 2019
Amendments received before examination
Search/Exam
Nov 7, 2019
Letter accompanying subsequently filed items
Search/Exam
Jul 10, 2019
May 10, 2019
May 8, 2019
Communication to designated inventor
Search/Exam
May 3, 2019
Priority search results copy provided by EPO
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Apr 29, 2019
Apr 4, 2019
(Electronic) Receipt
Search/Exam
Apr 4, 2019
Apr 4, 2019
Annex
Search/Exam
Apr 4, 2019
Request for entry into the European phase
Search/Exam
Feb 15, 2019
Information on entry into European phase
Search/Exam
Apr 30, 2018
Apr 30, 2018
Apr 12, 2018
Copy of the international search report
Search/Exam
Apr 12, 2018
Published international application - A1
Search/Exam
Nov 23, 2017
ISR: cited documents
PCTISA
Nov 22, 2017
Nov 22, 2017
Nov 22, 2017
Nov 10, 2017
Oct 31, 2017
Oct 3, 2017
Abstract
PCTISA
Oct 3, 2017
Annex
PCTISA
Oct 3, 2017
Claims
PCTISA
Oct 3, 2017
Description
PCTISA
Oct 3, 2017
Drawings
PCTISA