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The patent EP3802093 was granted to Korsch on Nov 9, 2022. The application was filed on Jun 3, 2019 under application number EP19726724A. The patent is currently recorded with a legal status of "Revoked".

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 |
|---|---|---|---|
| FETTE COMPACTING | Jul 19, 2023 | HAUCK | ADMISSIBLE |
| FETTE COMPACTING | Jul 19, 2023 | HAUCK PATENTANWALTSPARTNERSCHAFT MBB | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | US3097161 |
| DESCRIPTION | US8078329 |
| INTERNATIONAL-SEARCH-REPORT | CN104827706B |
| INTERNATIONAL-SEARCH-REPORT | JP2014024099 |
| INTERNATIONAL-SEARCH-REPORT | US2011233027 |
| INTERNATIONAL-SEARCH-REPORT | US3097161 |
| INTERNATIONAL-SEARCH-REPORT | US8078329 |
| OPPOSITION | DE102007015672 |
| OPPOSITION | DE102010012327 |
| OPPOSITION | DE102011050290 |
| OPPOSITION | US8078329 |
| OPPOSITION | WO9835822 |
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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Feb 10, 2025
Feb 10, 2025
Oct 28, 2024
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Means of redress
OPPO
Oct 24, 2024
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Nov 22, 2022
Oct 13, 2022
Decision to grant a European patent
Search/Exam
Sep 16, 2022
(Electronic) Receipt
Search/Exam
Sep 16, 2022
English translation of the claims
Search/Exam
Sep 16, 2022
Filing of the translations of the claims
Search/Exam
Sep 16, 2022
French translation of claims
Search/Exam
Sep 16, 2022
Letter accompanying subsequently filed items
Search/Exam
Jun 24, 2022
Jun 24, 2022
Jun 24, 2022
Intention to grant (signatures)
Search/Exam
Jun 24, 2022
Text intended for grant (clean copy)
Search/Exam
Jun 24, 2022
May 19, 2022
Examination started
Search/Exam
Jun 24, 2021
(Electronic) Receipt
Search/Exam
Jun 24, 2021
Jun 24, 2021
Amended claims with annotations
Search/Exam
Jun 24, 2021
Amendments received before examination
Search/Exam
Jun 24, 2021
Letter accompanying subsequently filed items
Search/Exam
Mar 17, 2021
Jan 19, 2021
Jan 15, 2021
Communication to designated inventor
Search/Exam
Jan 15, 2021
Communication to designated inventor
Search/Exam
Jan 15, 2021
Communication to designated inventor
Search/Exam
Jan 12, 2021
Priority search results copy provided by EPO
Search/Exam
Dec 14, 2020
Dec 14, 2020
Oct 16, 2020
Information on entry into European phase
Search/Exam
Oct 15, 2020
(Electronic) Receipt
Search/Exam
Oct 15, 2020
Request for entry into the European phase
Search/Exam
Sep 17, 2020
Sep 17, 2020
Sep 17, 2020
Sep 17, 2020
Sep 17, 2020
May 29, 2020
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Apr 23, 2020
Written opinion
PCT2
Apr 23, 2020
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Apr 6, 2020
Apr 1, 2020
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PCT demand form
PCT2
Apr 1, 2020
Apr 1, 2020
Apr 1, 2020
Apr 1, 2020
Jan 3, 2020
Dec 12, 2019
Copy of the international search report
Search/Exam
Dec 12, 2019
Copy of the international search report
Search/Exam
Dec 12, 2019
Published international application - A1
Search/Exam
Jun 7, 2019
Jun 3, 2019
(Electronic) Receipt
PCTRO
Jun 3, 2019
Abstract
PCTRO
Jun 3, 2019
Claims
PCTRO
Jun 3, 2019
Description
PCTRO
Jun 3, 2019
Jun 3, 2019
Drawings
PCTRO
Jun 3, 2019
Jun 3, 2019