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The patent EP3424889 was granted to Jushi Group on Jul 5, 2023. The application was filed on Mar 7, 2016 under application number EP16779482A. 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 |
|---|---|---|---|
| OWENS CORNING CAPITAL | Feb 28, 2024 | HASELTINE LAKE KEMPNER | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| INTERNATIONAL-SEARCH-REPORT | CN102849958 |
| INTERNATIONAL-SEARCH-REPORT | CN103086605 |
| OPPOSITION | CN103086605 |
| OPPOSITION | JP2007320846 |
| OPPOSITION | US2007087139 |
| OPPOSITION | US2015018194 |
| OPPOSITION | US6387510 |
| OPPOSITION | US8187715 |
| OPPOSITION | WO2014062715 |
| SEARCH | US2015018194 |
| SEARCH | WO2014062715 |
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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Oct 10, 2025
Oct 10, 2025
Oct 6, 2025
(Electronic) Receipt
Appeal
Oct 6, 2025
Oct 6, 2025
Oct 2, 2025
(Electronic) Receipt
Appeal
Oct 2, 2025
Oct 2, 2025
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Claims
Appeal
Oct 2, 2025
Oct 2, 2025
Aug 8, 2025
Aug 8, 2025
Aug 5, 2025
(Electronic) Receipt
Appeal
Aug 5, 2025
Aug 5, 2025
Aug 5, 2025
Notice of appeal
Appeal
Aug 5, 2025
Notice of appeal
Appeal
Jul 31, 2025
(Electronic) Receipt
Appeal
Jul 31, 2025
Notice of appeal
Appeal
Jun 6, 2025
Jun 6, 2025
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Means of redress
OPPO
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Authorisation
OPPO
Aug 8, 2024
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Apr 19, 2024
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Mar 5, 2024
Feb 28, 2024
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Jul 18, 2023
Jun 9, 2023
Decision to grant a European patent
Search/Exam
May 26, 2023
(Electronic) Receipt
Search/Exam
May 26, 2023
Filing of the translations of the claims
Search/Exam
May 26, 2023
French translation of claims
Search/Exam
May 26, 2023
German translation of the claims
Search/Exam
May 26, 2023
Letter accompanying subsequently filed items
Search/Exam
Jan 24, 2023
Jan 24, 2023
Jan 24, 2023
Jan 24, 2023
Intention to grant (signatures)
Search/Exam
Jan 24, 2023
Text intended for grant (clean copy)
Search/Exam
Jan 24, 2023
Jan 3, 2023
Examination started
Search/Exam
Jul 18, 2022
Jul 5, 2022
(Electronic) Receipt
Search/Exam
Jul 5, 2022
Enquiry as to the processing of the file
Search/Exam
Jul 5, 2022
Letter accompanying subsequently filed items
Search/Exam
Jul 1, 2020
Priority search results
Search/Exam
Jul 1, 2020
May 6, 2020
Apr 20, 2020
Apr 20, 2020
Amended claims with annotations
Search/Exam
Apr 20, 2020
Apr 20, 2020
Amended description with annotations
Search/Exam
Apr 20, 2020
Amendments received before examination
Search/Exam
Apr 20, 2020
Maintenance of the application
Search/Exam
Oct 11, 2019
Sep 25, 2019
Sep 25, 2019
Sep 25, 2019
European search opinion
Search/Exam
Sep 25, 2019
Information on Search Strategy
Search/Exam
Sep 25, 2019
Supplementary European search report
Search/Exam
Sep 13, 2019
Search started
Search/Exam
Feb 18, 2019
Submission concerning representation
Search/Exam
Dec 12, 2018
Notification of forthcoming publication
Search/Exam
Oct 8, 2018
Oct 8, 2018
Communication to designated inventor
Search/Exam
Oct 8, 2018
Communication to designated inventor
Search/Exam
Oct 8, 2018
Communication to designated inventor
Search/Exam
Oct 8, 2018
Communication to designated inventor
Search/Exam
Oct 8, 2018
Communication to designated inventor
Search/Exam
Sep 18, 2018
Sep 18, 2018
Jul 23, 2018
Jul 5, 2018
(Electronic) Receipt
Search/Exam
Jul 5, 2018
Abstract
Search/Exam
Jul 5, 2018
Jul 5, 2018
Amended claims with annotations
Search/Exam
Jul 5, 2018
Annex
Search/Exam
Jul 5, 2018
Claims
Search/Exam
Jul 5, 2018
Description
Search/Exam
Jul 5, 2018
Letter concerning the inventor
Search/Exam
Jul 5, 2018
Request for entry into the European phase
Search/Exam
Aug 25, 2017
Information on entry into European phase
Search/Exam
Feb 2, 2017
Copy of the international search report
Search/Exam
Feb 2, 2017
Feb 2, 2017
Nov 8, 2016
Oct 20, 2016
International publication pamphlet
Search/Exam