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The patent EP3694660 was granted to Fill Gesellschaft on Jul 7, 2021. The application was originally filed on Oct 11, 2018 under application number EP18806965A. 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.
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| INTERNATIONAL-SEARCH-REPORT | DE102010026480 |
| INTERNATIONAL-SEARCH-REPORT | EP0221196 |
| INTERNATIONAL-SEARCH-REPORT | JP2003025045 |
| OPPOSITION | DE102010026480 |
| OPPOSITION | DE3422121 |
| OPPOSITION | EP0221196 |
| OPPOSITION | EP0564774 |
| OPPOSITION | JP2003025045 |
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 10, 2025
Dec 4, 2025
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Authorisation
OPPO
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OPPO
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Jul 20, 2021
Jun 10, 2021
Decision to grant a European patent
Search/Exam
May 28, 2021
(Electronic) Receipt
Search/Exam
May 28, 2021
English translation of the claims
Search/Exam
May 28, 2021
Filing of the translations of the claims
Search/Exam
May 28, 2021
French translation of claims
Search/Exam
May 28, 2021
Letter accompanying subsequently filed items
Search/Exam
Mar 15, 2021
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Mar 15, 2021
Text intended for grant (clean copy)
Search/Exam
Mar 15, 2021
Mar 12, 2021
Intention to grant (signatures)
Search/Exam
Feb 11, 2021
Examination started
Search/Exam
Nov 25, 2020
(Electronic) Receipt
Search/Exam
Nov 25, 2020
Nov 25, 2020
Amended claims with annotations
Search/Exam
Nov 25, 2020
Amendments received before examination
Search/Exam
Nov 25, 2020
Letter accompanying subsequently filed items
Search/Exam
Jul 22, 2020
May 26, 2020
May 19, 2020
Communication to designated inventor
Search/Exam
May 19, 2020
Communication to designated inventor
Search/Exam
May 12, 2020
(Electronic) Receipt
Search/Exam
May 12, 2020
Request for entry into the European phase
Search/Exam
Apr 30, 2020
Feb 21, 2020
Information on entry into European phase
Search/Exam
May 9, 2019
Apr 18, 2019
Copy of the international search report
Search/Exam
Apr 18, 2019
Copy of the international search report
Search/Exam
Apr 18, 2019
Published international application - A1
Search/Exam
Jan 4, 2019
ISR: cited documents
PCTISA
Jan 4, 2019
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Dec 6, 2018
Nov 20, 2018
Abstract
PCTISA
Nov 20, 2018
Claims
PCTISA
Nov 20, 2018
Description
PCTISA
Nov 20, 2018
Drawings
PCTISA
Nov 20, 2018