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The patent EP3680078 was granted to Hauni Maschinenbau on Jul 12, 2023. The application was originally filed on Jan 8, 2020 under application number EP20150666A. 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 |
|---|---|
| DESCRIPTION | DE1954036 |
| DESCRIPTION | US5025814 |
| OPPOSITION | GB793114 |
| OPPOSITION | US2852987 |
| OPPOSITION | US3472236 |
| OPPOSITION | US3589373 |
| OPPOSITION | US3939744 |
| OPPOSITION | US4276798 |
| OPPOSITION | US789465 |
| OTHER | US3472236 |
| OTHER | US5025814 |
| OTHER | US5511732 |
| OTHER | US789465 |
| SEARCH | CN108081344 |
| SEARCH | DE1954036 |
| SEARCH | DE202011003744U |
| SEARCH | DE3616554 |
| SEARCH | US5025814 |
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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Means of redress
OPPO
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Jul 25, 2023
Jun 15, 2023
Decision to grant a European patent
Search/Exam
Jun 12, 2023
May 26, 2023
(Electronic) Receipt
Search/Exam
May 26, 2023
English translation of the claims
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
Letter accompanying subsequently filed items
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May 24, 2023
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Observations by third parties
Search/Exam
May 18, 2023
Patent document filed by a Third party
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May 18, 2023
Patent document filed by a Third party
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May 18, 2023
Patent document filed by a Third party
Search/Exam
Mar 1, 2023
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Intention to grant (signatures)
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Mar 1, 2023
Text intended for grant (clean copy)
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Mar 1, 2023
Nov 23, 2022
Sep 26, 2022
Annexes in respect of a client data request
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Sep 26, 2022
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Nov 5, 2021
(Electronic) Receipt
Search/Exam
Nov 5, 2021
Amended claims with annotations
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Nov 5, 2021
Amended description with annotations
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Nov 5, 2021
Claims
Search/Exam
Nov 5, 2021
Description
Search/Exam
Nov 5, 2021
Letter accompanying subsequently filed items
Search/Exam
Nov 5, 2021
Jul 12, 2021
Annex to the communication
Search/Exam
Jul 12, 2021
Communication from the Examining Division
Search/Exam
Jun 29, 2021
Examination started
Search/Exam
Dec 17, 2020
(Electronic) Receipt
Search/Exam
Dec 17, 2020
Dec 17, 2020
Amended claims with annotations
Search/Exam
Dec 17, 2020
Amendments received before examination
Search/Exam
Dec 17, 2020
Letter accompanying subsequently filed items
Search/Exam
Jul 20, 2020
Jun 17, 2020
Notification of forthcoming publication
Search/Exam
Apr 14, 2020
Apr 14, 2020
European search opinion
Search/Exam
Apr 14, 2020
European search report
Search/Exam
Apr 14, 2020
Information on Search Strategy
Search/Exam
Apr 1, 2020
Search started
Search/Exam
Mar 2, 2020
Communication to designated inventor
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Mar 2, 2020
Communication to designated inventor
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Mar 2, 2020
Communication to designated inventor
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Mar 2, 2020
Communication to designated inventor
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Mar 2, 2020
Communication to designated inventor
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Mar 2, 2020
Communication to designated inventor
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Mar 2, 2020
Communication to designated inventor
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Jan 10, 2020
Letter concerning the priority
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Jan 10, 2020
Priority document
Search/Exam
Jan 8, 2020
Abstract
Search/Exam
Jan 8, 2020
Jan 8, 2020
Claims
Search/Exam
Jan 8, 2020
Description
Search/Exam
Jan 8, 2020
Designation of inventor
Search/Exam
Jan 8, 2020
Drawings
Search/Exam
Jan 8, 2020
Priority search results
Search/Exam
Jan 8, 2020
Request for grant of a European patent
Search/Exam