The weekly litigation news digest is live. Subscribe now
The patent EP3131729 was granted to Plastisud on Nov 28, 2018. The application was filed on Nov 27, 2014 under application number EP14814972A. 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 |
|---|---|---|---|
| RPC SUPERFOS | Sep 30, 2019 | GUARDIAN CONSULTING IS | DEEMED NOT TO HAVE BEEN FILED |
| PETERREINS SCHLEY PATENT UND RECHTSANWALTE PARTG MBB | Aug 28, 2019 | PETERREINS SCHLEY | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| INTERNATIONAL-SEARCH-REPORT | DE7700625U |
| INTERNATIONAL-SEARCH-REPORT | EP0116132 |
| INTERNATIONAL-SEARCH-REPORT | FR2295832 |
| INTERNATIONAL-SEARCH-REPORT | GB2158389 |
| INTERNATIONAL-SEARCH-REPORT | US2008265465 |
| INTERNATIONAL-SEARCH-REPORT | US5811135 |
| INTERNATIONAL-SEARCH-REPORT | WO8902357 |
| OPPOSITION | DE10110611 |
| OPPOSITION | DE102004038852 |
| OPPOSITION | DE102005009011 |
| OPPOSITION | DE1142058 |
| OPPOSITION | DE3311474 |
| OPPOSITION | EP0425060 |
| OPPOSITION | EP0576837 |
| OPPOSITION | JP01139232 |
| OPPOSITION | US2006108702 |
| OPPOSITION | US2010148400 |
| OPPOSITION | US4207051 |
| OPPOSITION | US4929166 |
| OPPOSITION | WO2009061200 |
| OTHER | EP0116132 |
| OTHER | FR2567229 |
| OTHER | US1317232 |
| OTHER | US2006108702 |
| OTHER | US2008265465 |
| OTHER | US2008265495 |
| OTHER | US2020265465 |
| OTHER | WO2004041508 |
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
Get instant alerts for new documents
Dec 1, 2025
Nov 24, 2025
(Electronic) Receipt
Appeal
Nov 24, 2025
Nov 24, 2025
Nov 24, 2025
Nov 24, 2025
Nov 24, 2025
Nov 24, 2025
Nov 24, 2025
Nov 24, 2025
Nov 24, 2025
Nov 24, 2025
Nov 24, 2025
Notice of appeal
Appeal
Nov 24, 2025
Sep 30, 2025
Sep 18, 2025
(Electronic) Receipt
Appeal
Sep 18, 2025
Notice of appeal
Appeal
Sep 18, 2025
Notice of appeal
Appeal
Jul 22, 2025
Jul 22, 2025
Jul 22, 2025
Jul 22, 2025
Jul 22, 2025
Jul 22, 2025
Means of redress
OPPO
Jul 22, 2025
Jul 22, 2025
Jul 22, 2025
Jul 22, 2025
Jul 22, 2025
Jul 22, 2025
Mar 13, 2025
Mar 5, 2025
Mar 4, 2025
Mar 3, 2025
Mar 3, 2025
Mar 3, 2025
Mar 3, 2025
Mar 3, 2025
Mar 3, 2025
Mar 3, 2025
Mar 3, 2025
Mar 3, 2025
Jan 20, 2025
Jan 15, 2025
Jan 15, 2025
Jan 13, 2025
Jan 13, 2025
Jan 13, 2025
Jan 13, 2025
Jan 13, 2025
Jan 13, 2025
Jan 13, 2025
Jan 13, 2025
Jan 13, 2025
Jan 13, 2025
Jan 13, 2025
Jan 13, 2025
Jan 13, 2025
Jan 10, 2025
Jan 10, 2025
Jan 10, 2025
Jan 8, 2025
Jan 3, 2025
Jan 3, 2025
Jan 3, 2025
Jul 24, 2024
Jul 24, 2024
Jul 24, 2024
Jul 24, 2024
Jul 24, 2024
Jul 24, 2024
Jul 18, 2024
Jul 18, 2024
Jul 17, 2024
Jul 11, 2024
Jul 11, 2024
Jul 11, 2024
Jul 11, 2024
Jul 11, 2024
Jul 5, 2024
Jul 2, 2024
Jul 2, 2024
Jul 2, 2024
Jul 2, 2024
Jul 2, 2024
Jul 2, 2024
Jul 2, 2024
Apr 10, 2024
Apr 10, 2024
Apr 10, 2024
Jan 29, 2024
Jan 29, 2024
Jan 29, 2024
Jan 29, 2024
Jan 29, 2024
Dec 29, 2023
Dec 27, 2023
Dec 27, 2023
Dec 21, 2023
Dec 21, 2023
Dec 21, 2023
Dec 15, 2023
(Electronic) Receipt
Appeal
Dec 15, 2023
Dec 15, 2023
Dec 15, 2023
Dec 6, 2023
Dec 1, 2023
(Electronic) Receipt
Appeal
Dec 1, 2023
Dec 1, 2023
Nov 22, 2023
Nov 22, 2023
Nov 8, 2023
Nov 8, 2023
Nov 8, 2023
Nov 8, 2023
Nov 8, 2023
Nov 6, 2023
Nov 3, 2023
(Electronic) Receipt
Appeal
Nov 3, 2023
Nov 3, 2023
Oct 31, 2023
(Electronic) Receipt
Appeal
Oct 31, 2023
Oct 31, 2023
May 31, 2022
Advice of delivery
Appeal
May 27, 2022
May 27, 2022
May 27, 2022
May 27, 2022
May 27, 2022
May 27, 2022
May 23, 2022
May 17, 2022
May 17, 2022
May 3, 2022
Apr 19, 2022
Apr 14, 2022
Apr 11, 2022
(Electronic) Receipt
Appeal
Apr 11, 2022
Apr 11, 2022
Apr 11, 2022
Apr 11, 2022
Apr 11, 2022
Apr 11, 2022
Apr 11, 2022
Apr 11, 2022
Reply to appeal
Appeal
Jan 11, 2022
Jan 11, 2022
Jan 11, 2022
Jan 11, 2022
Jan 11, 2022
Dec 21, 2021
Dec 10, 2021
Dec 9, 2021
Dec 6, 2021
(Electronic) Receipt
Appeal
Dec 6, 2021
Dec 6, 2021
Dec 6, 2021
Dec 6, 2021
Dec 6, 2021
Oct 8, 2021
Oct 8, 2021
Oct 1, 2021
(Electronic) Receipt
Appeal
Oct 1, 2021
Oct 1, 2021
Notice of appeal
Appeal
Aug 20, 2021
Aug 17, 2021
Jul 28, 2021
Jul 28, 2021
Jul 28, 2021
Jul 27, 2021
Jul 26, 2021
Jul 26, 2021
Jul 26, 2021
Jul 26, 2021
Jul 26, 2021
Means of redress
OPPO
Jul 26, 2021
Jul 26, 2021
Jul 26, 2021
Jul 26, 2021
Jul 26, 2021
Jul 26, 2021
May 27, 2021
May 4, 2021
Apr 30, 2021
Apr 30, 2021
Apr 26, 2021
Apr 26, 2021
Apr 26, 2021
Apr 26, 2021
Apr 22, 2021
Apr 19, 2021
Apr 19, 2021
Apr 8, 2021
Apr 1, 2021
Apr 1, 2021
Apr 1, 2021
Mar 31, 2021
Mar 31, 2021
Mar 31, 2021
Mar 30, 2021
Mar 30, 2021
Mar 26, 2021
Mar 25, 2021
Mar 25, 2021
Mar 25, 2021
Mar 25, 2021
Mar 24, 2021
Mar 24, 2021
Mar 24, 2021
Mar 11, 2021
Mar 11, 2021
Mar 11, 2021
Oct 13, 2020
Oct 13, 2020
Oct 13, 2020
Sep 22, 2020
Sep 21, 2020
Refund of fees
OPPO
Sep 17, 2020
Apr 3, 2020
Mar 30, 2020
Mar 10, 2020
Feb 4, 2020
Feb 4, 2020
Feb 4, 2020
Jan 31, 2020
Jan 31, 2020
Jan 29, 2020
Jan 21, 2020
Jan 21, 2020
Jan 21, 2020
Jan 21, 2020
Jan 21, 2020
Jan 21, 2020
Jan 21, 2020
Oct 17, 2019
Oct 17, 2019
Oct 9, 2019
Oct 6, 2019
Sep 30, 2019
Sep 30, 2019
Sep 30, 2019
Sep 30, 2019
Sep 30, 2019
Sep 30, 2019
Sep 30, 2019
Sep 12, 2019
Sep 12, 2019
Sep 5, 2019
Aug 28, 2019
Aug 28, 2019
Aug 28, 2019
Aug 28, 2019
Aug 28, 2019
Aug 28, 2019
Aug 28, 2019
Aug 28, 2019
Aug 28, 2019
Aug 28, 2019
Aug 28, 2019
Aug 28, 2019
Aug 28, 2019
Aug 28, 2019
Feb 18, 2019
Feb 7, 2019
Feb 7, 2019
Feb 7, 2019
Dec 10, 2018
Nov 2, 2018
Decision to grant a European patent
Search/Exam
Oct 18, 2018
Oct 4, 2018
(Electronic) Receipt
Search/Exam
Oct 4, 2018
English translation of the claims
Search/Exam
Oct 4, 2018
Filing of the translations of the claims
Search/Exam
Oct 4, 2018
German translation of the claims
Search/Exam
Oct 4, 2018
Letter accompanying subsequently filed items
Search/Exam
Sep 19, 2018
Sep 19, 2018
Sep 11, 2018
Observations by third parties
Search/Exam
Sep 10, 2018
Observations by third parties
Search/Exam
Aug 21, 2018
Aug 17, 2018
Aug 16, 2018
Observations by third parties
Search/Exam
Aug 14, 2018
Observations by third parties
Search/Exam
Aug 13, 2018
Jul 20, 2018
Jul 16, 2018
Observations by third parties
Search/Exam
Jul 13, 2018
Jul 13, 2018
Jul 13, 2018
Intention to grant (signatures)
Search/Exam
Jul 13, 2018
Text intended for grant (clean copy)
Search/Exam
Jul 13, 2018
Jun 1, 2018
Jun 1, 2018
May 30, 2018
May 25, 2018
Observations by third parties
Search/Exam
May 25, 2018
Observations by third parties
Search/Exam
May 23, 2018
Observations by third parties
Search/Exam
May 22, 2018
Observations by third parties
Search/Exam
May 21, 2018
Observations by third parties
Search/Exam
May 18, 2018
Annex to the communication
Search/Exam
May 18, 2018
Consultation by telephone/in person
Search/Exam
May 18, 2018
May 15, 2018
(Electronic) Receipt
Search/Exam
May 15, 2018
Letter accompanying subsequently filed items
Search/Exam
May 15, 2018
Mar 12, 2018
(Electronic) Receipt
Search/Exam
Mar 12, 2018
Letter accompanying subsequently filed items
Search/Exam
Mar 12, 2018
Jan 5, 2018
Annex to the communication
Search/Exam
Jan 5, 2018
Communication from the Examining Division
Search/Exam
Sep 26, 2017
Sep 26, 2017
Sep 21, 2017
Observations by third parties
Search/Exam
Sep 18, 2017
(Electronic) Receipt
Search/Exam
Sep 18, 2017
Amended claims with annotations
Search/Exam
Sep 18, 2017
Amended description with annotations
Search/Exam
Sep 18, 2017
Claims
Search/Exam
Sep 18, 2017
Description
Search/Exam
Sep 18, 2017
Letter accompanying subsequently filed items
Search/Exam
Sep 18, 2017
Aug 29, 2017
Aug 29, 2017
Aug 28, 2017
Observations by third parties
Search/Exam
Aug 24, 2017
Observations by third parties
Search/Exam
Aug 17, 2017
Annex to the communication
Search/Exam
Aug 17, 2017
Communication from the Examining Division
Search/Exam
Aug 10, 2017
Examination started
Search/Exam
Jul 12, 2017
(Electronic) Receipt
Search/Exam
Jul 12, 2017
Letter accompanying subsequently filed items
Search/Exam
Jul 12, 2017
Reply to Written Opinion prepared by the EPO
Search/Exam
Feb 2, 2017
Jan 26, 2017
Priority search results copy provided by EPO
Search/Exam
Jan 25, 2017
Nov 18, 2016
Communication to designated inventor
Search/Exam
Oct 17, 2016
(Electronic) Receipt
Search/Exam
Oct 17, 2016
Oct 17, 2016
Request for entry into the European phase
Search/Exam
Aug 26, 2016
Information on entry into European phase
Search/Exam
Jun 3, 2016
Jun 3, 2016
May 21, 2016
Observations by third parties
Search/Exam
Apr 12, 2016
Apr 12, 2016
Apr 12, 2016
Apr 12, 2016
Mar 22, 2016
Notification of election of EPO
Search/Exam
Mar 8, 2016
Mar 8, 2016
Mar 8, 2016
Notification of the recording of a change
Search/Exam
Jan 28, 2016
Jan 20, 2016
Jan 20, 2016
PCT demand form
PCT2
Jan 20, 2016
Jan 20, 2016
Nov 11, 2015
Oct 22, 2015
Copy of the international search report
Search/Exam
Oct 22, 2015
Copy of the international search report
Search/Exam
Oct 22, 2015
Published international application - A1
Search/Exam
Mar 2, 2015
Mar 2, 2015
Mar 2, 2015
Nov 27, 2014
Abstract
PCTISA
Nov 27, 2014
Claims
PCTISA
Nov 27, 2014
Description
PCTISA
Nov 27, 2014
Drawings
PCTISA