The weekly litigation news digest is live. Subscribe now
The patent EP3784585 was granted to Obrist Closures Switzerland on Oct 4, 2023. The application was filed on Apr 26, 2019 under application number EP19722541A. 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 |
|---|---|---|---|
| ARNOLD & SIEDSMA | Apr 10, 2024 | ARNOLD & SIEDSMA | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| EXAMINATION | CN1631740 |
| INTERNATIONAL-SEARCH-REPORT | FR2499519 |
| INTERNATIONAL-SEARCH-REPORT | KR100880006B |
| INTERNATIONAL-SEARCH-REPORT | KR100942642B |
| INTERNATIONAL-SEARCH-REPORT | US2012285921 |
| INTERNATIONAL-SEARCH-REPORT | US5215204 |
| OPPOSITION | CN1631740 |
| OPPOSITION | FR1183399 |
| OPPOSITION | FR2499519 |
| OPPOSITION | JP2011111193 |
| OPPOSITION | JPS521447U |
| OPPOSITION | KR100880006B |
| OPPOSITION | KR100942642B |
| OPPOSITION | US2011174760 |
| OPPOSITION | US2012024815 |
| OPPOSITION | US2012285921 |
| OPPOSITION | US2017203896 |
| OPPOSITION | US4394918 |
| OPPOSITION | US5215204 |
| OPPOSITION | US5246125 |
| OPPOSITION | US6474491 |
| OPPOSITION | US8469213 |
| OPPOSITION | WO2009002057 |
| OPPOSITION | WO2009048273 |
| OPPOSITION | WO2019207148 |
| OPPOSITION | WO2020077162 |
| OTHER | CN1631740 |
| OTHER | FR1183399 |
| OTHER | US2021188488 |
| OTHER | US4394918 |
| OTHER | US5215204 |
| OTHER | WO2020077162 |
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
Jan 2, 2026
Jan 2, 2026
Jan 2, 2026
Jan 2, 2026
Jan 2, 2026
Jan 2, 2026
Jan 2, 2026
Jan 2, 2026
Means of redress
OPPO
Jan 2, 2026
Jan 2, 2026
Jan 2, 2026
Jan 2, 2026
Jan 2, 2026
Jan 2, 2026
Jan 2, 2026
Jan 2, 2026
Dec 12, 2025
Dec 1, 2025
Nov 19, 2025
Nov 7, 2025
Nov 7, 2025
Nov 7, 2025
Nov 7, 2025
Nov 7, 2025
Nov 7, 2025
Nov 3, 2025
Nov 3, 2025
Nov 3, 2025
Sep 17, 2025
Sep 15, 2025
Sep 15, 2025
Sep 11, 2025
Sep 11, 2025
Sep 11, 2025
Sep 11, 2025
Sep 11, 2025
Sep 11, 2025
Sep 11, 2025
Sep 11, 2025
Sep 11, 2025
Sep 11, 2025
Sep 11, 2025
Sep 11, 2025
Sep 10, 2025
Sep 10, 2025
Sep 8, 2025
Sep 4, 2025
Sep 4, 2025
Sep 4, 2025
Sep 4, 2025
Sep 3, 2025
Sep 3, 2025
Sep 3, 2025
Mar 6, 2025
Mar 6, 2025
Mar 6, 2025
Mar 6, 2025
Mar 6, 2025
Sep 2, 2024
Aug 26, 2024
Aug 26, 2024
Aug 26, 2024
Aug 26, 2024
Aug 26, 2024
Aug 26, 2024
Aug 26, 2024
Aug 26, 2024
Aug 26, 2024
Aug 26, 2024
Aug 26, 2024
Aug 26, 2024
Aug 26, 2024
Aug 26, 2024
Aug 26, 2024
Aug 26, 2024
Jun 18, 2024
Jun 10, 2024
Jun 10, 2024
Jun 10, 2024
Jun 10, 2024
Jun 10, 2024
Jun 10, 2024
Jun 10, 2024
Jun 10, 2024
Apr 26, 2024
Apr 26, 2024
Apr 18, 2024
Apr 16, 2024
Apr 10, 2024
Apr 10, 2024
Apr 10, 2024
Apr 10, 2024
Apr 10, 2024
Apr 10, 2024
Apr 10, 2024
Apr 10, 2024
Apr 10, 2024
Apr 10, 2024
Apr 10, 2024
Apr 10, 2024
Apr 10, 2024
Apr 10, 2024
Apr 10, 2024
Apr 10, 2024
Apr 10, 2024
Apr 10, 2024
Apr 10, 2024
Apr 10, 2024
Apr 10, 2024
Apr 10, 2024
Apr 10, 2024
Apr 10, 2024
Apr 10, 2024
Apr 10, 2024
Apr 10, 2024
Apr 10, 2024
Apr 10, 2024
Apr 10, 2024
Apr 10, 2024
Apr 10, 2024
Aug 11, 2023
Aug 8, 2023
(Electronic) Receipt
Search/Exam
Aug 8, 2023
Letter accompanying subsequently filed items
Search/Exam
Aug 8, 2023
Request for correction of the publication
Search/Exam
Jul 25, 2023
Jun 15, 2023
Decision to grant a European patent
Search/Exam
Jun 6, 2023
May 31, 2023
(Electronic) Receipt
Search/Exam
May 31, 2023
Filing of the translations of the claims
Search/Exam
May 31, 2023
French translation of claims
Search/Exam
May 31, 2023
German translation of the claims
Search/Exam
May 31, 2023
Letter accompanying subsequently filed items
Search/Exam
Feb 10, 2023
Feb 10, 2023
Feb 10, 2023
Feb 10, 2023
Intention to grant (signatures)
Search/Exam
Feb 10, 2023
Text intended for grant (clean copy)
Search/Exam
Feb 10, 2023
Jan 20, 2023
Jan 17, 2023
Observations by third parties
Search/Exam
Jan 17, 2023
Patent document filed by a Third party
Search/Exam
Jan 17, 2023
Patent document filed by a Third party
Search/Exam
Jan 17, 2023
Patent document filed by a Third party
Search/Exam
Jan 17, 2023
Patent document filed by a Third party
Search/Exam
Oct 19, 2022
(Electronic) Receipt
Search/Exam
Oct 19, 2022
Amended claims with annotations
Search/Exam
Oct 19, 2022
Amended description with annotations
Search/Exam
Oct 19, 2022
Claims
Search/Exam
Oct 19, 2022
Description
Search/Exam
Oct 19, 2022
Letter accompanying subsequently filed items
Search/Exam
Oct 19, 2022
Sep 30, 2022
Annex to the communication
Search/Exam
Sep 30, 2022
Communication from the Examining Division
Search/Exam
Jul 4, 2022
Jul 4, 2022
Jun 9, 2022
(Electronic) Receipt
Search/Exam
Jun 9, 2022
Letter accompanying subsequently filed items
Search/Exam
Jun 9, 2022
Observations by third parties
Search/Exam
Jun 9, 2022
Patent document filed by a Third party
Search/Exam
Apr 13, 2022
(Electronic) Receipt
Search/Exam
Apr 13, 2022
Amended claims with annotations
Search/Exam
Apr 13, 2022
Amended description with annotations
Search/Exam
Apr 13, 2022
Claims
Search/Exam
Apr 13, 2022
Description
Search/Exam
Apr 13, 2022
Letter accompanying subsequently filed items
Search/Exam
Apr 13, 2022
Feb 8, 2022
Feb 3, 2022
(Electronic) Receipt
Search/Exam
Feb 3, 2022
Letter accompanying subsequently filed items
Search/Exam
Feb 3, 2022
Oct 4, 2021
Annex to the communication
Search/Exam
Oct 4, 2021
Communication from the Examining Division
Search/Exam
Sep 24, 2021
Examination started
Search/Exam
Sep 21, 2021
Sep 15, 2021
Citation filed by a third party
Search/Exam
Sep 15, 2021
Observations by third parties
Search/Exam
Sep 15, 2021
Observations by third parties
Search/Exam
Sep 15, 2021
Patent document filed by a Third party
Search/Exam
Mar 15, 2021
Document concerning representation
Search/Exam
Feb 3, 2021
Dec 16, 2020
Communication to designated inventor
Search/Exam
Dec 16, 2020
Communication to designated inventor
Search/Exam
Dec 16, 2020
Communication to designated inventor
Search/Exam
Dec 16, 2020
Communication to designated inventor
Search/Exam
Dec 16, 2020
Communication to designated inventor
Search/Exam
Dec 9, 2020
Nov 2, 2020
Nov 2, 2020
Oct 10, 2020
(Electronic) Receipt
Search/Exam
Oct 10, 2020
Oct 10, 2020
Amended claims with annotations
Search/Exam
Oct 10, 2020
Amendments received before examination
Search/Exam
Oct 10, 2020
Request for entry into the European phase
Search/Exam
Sep 4, 2020
Information on entry into European phase
Search/Exam
Aug 11, 2020
Aug 11, 2020
Aug 11, 2020
Aug 11, 2020
Aug 11, 2020
Jul 14, 2020
Jul 14, 2020
Jul 14, 2020
Jul 14, 2020
May 14, 2020
May 14, 2020
Written opinion
PCT2
May 14, 2020
May 14, 2020
May 5, 2020
May 5, 2020
May 5, 2020
May 5, 2020
Mar 31, 2020
Notification of election of EPO
Search/Exam
Mar 6, 2020
Mar 3, 2020
PCT demand form
PCT2
Feb 26, 2020
Feb 26, 2020
Feb 26, 2020
Feb 26, 2020
Feb 26, 2020
Nov 19, 2019
Nov 19, 2019
Nov 19, 2019
Oct 31, 2019
Copy of the international search report
Search/Exam
Oct 31, 2019
Published international application - A1
Search/Exam
Sep 20, 2019
Annex to a communication
Search/Exam
Sep 20, 2019
Annex to a communication
Search/Exam
May 9, 2019
Apr 26, 2019
(Electronic) Receipt
PCTRO
Apr 26, 2019
Abstract
PCTRO
Apr 26, 2019
Claims
PCTRO
Apr 26, 2019
Description
PCTRO
Apr 26, 2019
Apr 26, 2019
Drawings
PCTRO
Apr 26, 2019