The weekly litigation news digest is live. Subscribe now
The patent EP3733943 was granted to Advanced Nonwovens on Jun 2, 2021. The application was filed on Mar 12, 2020 under application number EP20020120A. 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 |
|---|---|---|---|
| ORV MANUFACTURING | Mar 1, 2022 | ZANETTIN | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | EP1720210 |
| DESCRIPTION | EP1961059 |
| DESCRIPTION | JPS57095078B |
| OPPOSITION | EP0967670 |
| OPPOSITION | EP1149424 |
| OPPOSITION | EP2272999 |
| OPPOSITION | GB2140610 |
| OPPOSITION | JP2014075239 |
| OPPOSITION | JP2014075240 |
| OPPOSITION | JP4174160B |
| OPPOSITION | US2008108265 |
| OPPOSITION | US2010015372 |
| OPPOSITION | US5458963 |
| OPPOSITION | US6509285 |
| OPPOSITION | WO03080904 |
| OPPOSITION | WO2009053938 |
| OPPOSITION | WO2012133753 |
| OPPOSITION | WO2017186935 |
| SEARCH | US2010015372 |
| SEARCH | US2014308518 |
| SEARCH | US2016287046 |
| SEARCH | WO2011097661 |
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
Nov 14, 2025
Nov 14, 2025
Nov 11, 2025
Nov 6, 2025
Nov 5, 2025
(Electronic) Receipt
Appeal
Nov 5, 2025
Nov 5, 2025
Nov 5, 2025
Nov 5, 2025
Oct 28, 2025
Oct 28, 2025
Oct 23, 2025
Oct 7, 2025
Oct 7, 2025
Oct 7, 2025
Oct 7, 2025
Oct 1, 2025
Oct 1, 2025
Sep 3, 2025
Sep 3, 2025
Jun 3, 2025
Jun 3, 2025
May 28, 2025
Sep 6, 2024
Sep 6, 2024
Sep 3, 2024
Aug 16, 2024
Aug 16, 2024
Aug 12, 2024
(Electronic) Receipt
Appeal
Aug 12, 2024
(Electronic) Receipt
Appeal
Aug 12, 2024
Aug 12, 2024
Aug 12, 2024
Aug 12, 2024
Aug 12, 2024
Reply to appeal
Appeal
Aug 12, 2024
Reply to appeal
Appeal
Jun 27, 2024
Apr 12, 2024
Apr 12, 2024
Mar 28, 2024
(Electronic) Receipt
Appeal
Mar 28, 2024
(Electronic) Receipt
Appeal
Mar 28, 2024
Mar 28, 2024
Mar 28, 2024
Mar 28, 2024
Feb 16, 2024
Feb 16, 2024
Feb 16, 2024
Feb 16, 2024
Jan 26, 2024
(Electronic) Receipt
Appeal
Jan 26, 2024
(Electronic) Receipt
Appeal
Jan 26, 2024
Jan 26, 2024
Jan 26, 2024
Notice of appeal
Appeal
Jan 26, 2024
Notice of appeal
Appeal
Dec 1, 2023
Dec 1, 2023
Dec 1, 2023
Nov 28, 2023
Nov 28, 2023
Nov 28, 2023
Nov 28, 2023
Nov 28, 2023
Nov 28, 2023
Nov 28, 2023
Means of redress
OPPO
Nov 28, 2023
Nov 28, 2023
Nov 28, 2023
Nov 28, 2023
Nov 28, 2023
Nov 28, 2023
Nov 28, 2023
Oct 25, 2023
Oct 25, 2023
Oct 23, 2023
Oct 23, 2023
Oct 23, 2023
Oct 23, 2023
Oct 18, 2023
Oct 18, 2023
Oct 18, 2023
Oct 18, 2023
Oct 18, 2023
Oct 18, 2023
Oct 18, 2023
Oct 18, 2023
Oct 18, 2023
Oct 18, 2023
Oct 2, 2023
Sep 25, 2023
Sep 25, 2023
Sep 25, 2023
Sep 25, 2023
Sep 25, 2023
Sep 25, 2023
Sep 25, 2023
Sep 25, 2023
Sep 25, 2023
Sep 21, 2023
Sep 18, 2023
Sep 18, 2023
Sep 18, 2023
Sep 18, 2023
Aug 30, 2023
Aug 25, 2023
Aug 25, 2023
Aug 25, 2023
Aug 25, 2023
Aug 25, 2023
Aug 25, 2023
Aug 25, 2023
Aug 25, 2023
Aug 25, 2023
Aug 25, 2023
Aug 25, 2023
Aug 25, 2023
Aug 25, 2023
Aug 25, 2023
Aug 25, 2023
Aug 25, 2023
Aug 25, 2023
Aug 25, 2023
Aug 25, 2023
Aug 25, 2023
Aug 25, 2023
Aug 25, 2023
Aug 25, 2023
Aug 25, 2023
Aug 25, 2023
Aug 25, 2023
Aug 25, 2023
Aug 25, 2023
Aug 25, 2023
Aug 25, 2023
Aug 25, 2023
Aug 25, 2023
Aug 18, 2023
Aug 14, 2023
Aug 11, 2023
Aug 11, 2023
Aug 11, 2023
Aug 11, 2023
Aug 11, 2023
Aug 11, 2023
Aug 11, 2023
Aug 11, 2023
Aug 11, 2023
Aug 11, 2023
Aug 9, 2023
Aug 9, 2023
Apr 18, 2023
Apr 18, 2023
Mar 30, 2023
Mar 30, 2023
Nov 15, 2022
Nov 4, 2022
Nov 2, 2022
Nov 2, 2022
Nov 2, 2022
Nov 2, 2022
Nov 2, 2022
Nov 2, 2022
Aug 5, 2022
Jul 28, 2022
Jul 28, 2022
Jul 28, 2022
Jun 15, 2022
Jun 15, 2022
Jun 15, 2022
Jun 9, 2022
Jun 9, 2022
Authorisation
OPPO
Jun 9, 2022
Jun 9, 2022
May 31, 2022
May 19, 2022
May 19, 2022
Authorisation
OPPO
May 19, 2022
May 19, 2022
May 3, 2022
May 3, 2022
May 3, 2022
May 3, 2022
May 3, 2022
Mar 21, 2022
Mar 21, 2022
Mar 8, 2022
Mar 8, 2022
Mar 1, 2022
Mar 1, 2022
Authorisation
OPPO
Mar 1, 2022
Mar 1, 2022
Mar 1, 2022
Mar 1, 2022
Mar 1, 2022
Mar 1, 2022
Mar 1, 2022
Mar 1, 2022
Mar 1, 2022
Mar 1, 2022
Mar 1, 2022
Mar 1, 2022
Mar 1, 2022
Mar 1, 2022
Mar 1, 2022
Mar 1, 2022
Mar 1, 2022
Mar 1, 2022
Mar 1, 2022
Mar 1, 2022
Mar 1, 2022
Mar 1, 2022
Mar 1, 2022
Mar 1, 2022
Mar 1, 2022
Mar 1, 2022
Mar 1, 2022
Mar 1, 2022
Mar 1, 2022
Mar 1, 2022
Mar 1, 2022
Mar 1, 2022
Mar 1, 2022
Aug 19, 2021
Aug 15, 2021
Annexes in respect of a client data request
Search/Exam
Aug 15, 2021
Annexes in respect of a client data request
Search/Exam
Aug 15, 2021
Aug 11, 2021
Aug 4, 2021
Annexes in respect of a client data request
Search/Exam
Aug 4, 2021
Jun 15, 2021
May 7, 2021
Decision to grant a European patent
Search/Exam
Apr 16, 2021
Filing of the translations of the claims
Search/Exam
Apr 16, 2021
French translation of claims
Search/Exam
Apr 16, 2021
German translation of the claims
Search/Exam
Feb 9, 2021
Feb 9, 2021
Feb 9, 2021
Intention to grant (signatures)
Search/Exam
Feb 9, 2021
Text intended for grant (clean copy)
Search/Exam
Feb 9, 2021
Jan 11, 2021
Examination started
Search/Exam
Dec 2, 2020
Amendments received before examination
Search/Exam
Nov 9, 2020
Oct 7, 2020
Notification of forthcoming publication
Search/Exam
Aug 11, 2020
Refund of fees
Search/Exam
Aug 7, 2020
Aug 7, 2020
European search opinion
Search/Exam
Aug 7, 2020
European search report
Search/Exam
Aug 7, 2020
Information on Search Strategy
Search/Exam
Jul 31, 2020
Modified abstract
Search/Exam
Jun 29, 2020
Search started
Search/Exam
May 22, 2020
Letter concerning the priority
Search/Exam
May 22, 2020
Priority document
Search/Exam
May 12, 2020
Communication to designated inventor
Search/Exam
May 12, 2020
Communication to designated inventor
Search/Exam
Mar 18, 2020
Abstract
Search/Exam
Mar 18, 2020
Claims
Search/Exam
Mar 18, 2020
Description
Search/Exam
Mar 12, 2020
Designation of inventor
Search/Exam
Mar 12, 2020
Drawings
Search/Exam
Mar 12, 2020
Priority search results
Search/Exam
Mar 12, 2020