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The patent EP3840941 was granted to Agru Kunststofftechnik Gesellschaft on Mar 13, 2024. The application was filed on May 22, 2019 under application number EP19734229A. 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 |
|---|---|---|---|
| PF SCHWEISSTECHNOLOGIE | Dec 13, 2024 | EISENFUHR SPEISER | ADMISSIBLE |
| GEORG FISCHER OMICRON | Dec 5, 2024 | DIETZ | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | CH553368 |
| DESCRIPTION | CH601719 |
| DESCRIPTION | CH632078 |
| DESCRIPTION | DE10225370 |
| DESCRIPTION | EP0173174 |
| DESCRIPTION | EP1745917 |
| INTERNATIONAL-SEARCH-REPORT | JP2000035178 |
| OPPOSITION | CH553368 |
| OPPOSITION | CH601719 |
| OPPOSITION | CH632078 |
| OPPOSITION | CN101767452 |
| OPPOSITION | DE102004036503 |
| OPPOSITION | DE102005062873 |
| OPPOSITION | DE10225370 |
| OPPOSITION | DE4026574 |
| OPPOSITION | DE69700834T |
| OPPOSITION | EP0173174 |
| OPPOSITION | EP1745917 |
| OPPOSITION | JP2000035178 |
| OPPOSITION | JP2018156740 |
| OPPOSITION | JPH09264483 |
| OPPOSITION | US2006093695 |
| OPPOSITION | US2006230306 |
| OPPOSITION | US4602148 |
| OPPOSITION | US4631107 |
| OPPOSITION | US4642155 |
| OPPOSITION | US4684789 |
| OPPOSITION | US7175408 |
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.
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Description
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Decision to grant a European patent
Search/Exam
Feb 6, 2024
(Electronic) Receipt
Search/Exam
Feb 6, 2024
English translation of the claims
Search/Exam
Feb 6, 2024
Filing of the translations of the claims
Search/Exam
Feb 6, 2024
French translation of claims
Search/Exam
Feb 6, 2024
Letter accompanying subsequently filed items
Search/Exam
Oct 12, 2023
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Intention to grant (signatures)
Search/Exam
Oct 12, 2023
Text intended for grant (clean copy)
Search/Exam
Oct 12, 2023
Sep 14, 2023
Examination started
Search/Exam
Dec 6, 2021
Sep 21, 2021
(Electronic) Receipt
Search/Exam
Sep 21, 2021
Sep 21, 2021
Amended claims with annotations
Search/Exam
Sep 21, 2021
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Amended description with annotations
Search/Exam
Sep 21, 2021
Amendments received before examination
Search/Exam
Sep 21, 2021
Letter accompanying subsequently filed items
Search/Exam
Jun 2, 2021
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Mar 24, 2021
(Electronic) Receipt
Search/Exam
Mar 24, 2021
Request for entry into the European phase
Search/Exam
Nov 26, 2020
Copy of the international search report
Search/Exam
Nov 26, 2020
Copy of the international search report
Search/Exam
Nov 26, 2020
Published international application - A1
Search/Exam
Jan 17, 2020
ISR: cited documents
PCTISA
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Jul 12, 2019
Jun 27, 2019
Abstract
PCTISA
Jun 27, 2019
Claims
PCTISA
Jun 27, 2019
Description
PCTISA
Jun 27, 2019
Drawings
PCTISA
Jun 27, 2019