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The patent EP3820326 was granted to Intercos on Apr 20, 2022. The application was filed on Jan 31, 2019 under application number EP19707122A. 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 |
|---|---|---|---|
| WECKERLE | Oct 25, 2022 | BARDEHLE PAGENBERG PARTNERSCHAFT MBB PATENTANWALTE RECHTSANWALTE | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| INTERNATIONAL-SEARCH-REPORT | US2002086079 |
| INTERNATIONAL-SEARCH-REPORT | US2007295887 |
| INTERNATIONAL-SEARCH-REPORT | US6022209 |
| OPPOSITION | JP2001072541 |
| OPPOSITION | JP2003231611 |
| OPPOSITION | KR100317449B |
| OPPOSITION | KR100698920B |
| OPPOSITION | KR100709999B |
| OPPOSITION | KR20070034141 |
| OPPOSITION | US6022209 |
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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Dec 23, 2025
Dec 23, 2025
Dec 12, 2025
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Dec 9, 2025
Jul 16, 2025
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Jul 8, 2025
(Electronic) Receipt
Appeal
Jul 8, 2025
Jul 8, 2025
Jul 8, 2025
Jul 8, 2025
Reply to appeal
Appeal
Mar 12, 2025
Mar 7, 2025
(Electronic) Receipt
Appeal
Mar 7, 2025
Mar 7, 2025
Dec 20, 2024
Dec 20, 2024
Dec 16, 2024
(Electronic) Receipt
Appeal
Dec 16, 2024
Dec 16, 2024
Notice of appeal
Appeal
Nov 7, 2024
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Means of redress
OPPO
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Decision to grant a European patent
Search/Exam
Mar 10, 2022
(Electronic) Receipt
Search/Exam
Mar 10, 2022
Filing of the translations of the claims
Search/Exam
Mar 10, 2022
French translation of claims
Search/Exam
Mar 10, 2022
German translation of the claims
Search/Exam
Mar 10, 2022
Letter accompanying subsequently filed items
Search/Exam
Nov 11, 2021
Nov 11, 2021
Nov 11, 2021
Intention to grant (signatures)
Search/Exam
Nov 11, 2021
Text intended for grant (clean copy)
Search/Exam
Nov 11, 2021
Oct 27, 2021
Examination started
Search/Exam
Apr 21, 2021
Feb 24, 2021
Feb 19, 2021
Communication to designated inventor
Search/Exam
Feb 19, 2021
Communication to designated inventor
Search/Exam
Feb 9, 2021
(Electronic) Receipt
Search/Exam
Feb 9, 2021
Feb 9, 2021
Amended claims with annotations
Search/Exam
Feb 9, 2021
Feb 9, 2021
Amended description with annotations
Search/Exam
Feb 9, 2021
Request for entry into the European phase
Search/Exam
Feb 1, 2021
Nov 20, 2020
Information on entry into European phase
Search/Exam
Feb 4, 2020
Jan 16, 2020
Copy of the international search report
Search/Exam
Jan 16, 2020
Published international application - A1
Search/Exam
Apr 1, 2019
ISR: cited documents
PCTISA
Apr 1, 2019
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Mar 12, 2019
Feb 28, 2019
Abstract
PCTISA
Feb 28, 2019
Claims
PCTISA
Feb 28, 2019
Feb 28, 2019
Description
PCTISA
Feb 28, 2019
Drawings
PCTISA
Feb 28, 2019
Feb 28, 2019
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Nov 30, 2018
Priority search results copy provided by EPO
Search/Exam