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The patent EP4058199 was granted to GEA Mechanical Equipment on Aug 23, 2023. The application was filed on Nov 9, 2020 under application number EP20803824A. 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 |
|---|---|---|---|
| ALFA LAVAL CORPORATE | May 23, 2024 | GRUNECKER PATENT | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | DE112006002309 |
| DESCRIPTION | DE19705704 |
| DESCRIPTION | DE4036071 |
| DESCRIPTION | EP2556895 |
| DESCRIPTION | EP3315203 |
| DESCRIPTION | EP3315204 |
| DESCRIPTION | EP3315205 |
| DESCRIPTION | US2018008990 |
| INTERNATIONAL-SEARCH-REPORT | DE102015117375 |
| INTERNATIONAL-SEARCH-REPORT | DE112006002309 |
| INTERNATIONAL-SEARCH-REPORT | DE4036071 |
| INTERNATIONAL-SEARCH-REPORT | US2018008990 |
| OPPOSITION | DE102011084566 |
| OPPOSITION | DE102017103068 |
| OPPOSITION | DE202016104055U |
| OPPOSITION | EP0444271 |
| OPPOSITION | US2018008990 |
| OPPOSITION | WO2012150125 |
| OPPOSITION | WO2013079194 |
| OPPOSITION | WO2014128063 |
| OPPOSITION | WO2015091846 |
| OPPOSITION | WO2017211477 |
| OPPOSITION | WO2018107043 |
| OPPOSITION | WO9709120 |
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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OPPO
Jan 8, 2026
Description
OPPO
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Payment submission rejected
Search/Exam
Sep 5, 2023
Jul 27, 2023
Decision to grant a European patent
Search/Exam
Jul 17, 2023
(Electronic) Receipt
Search/Exam
Jul 17, 2023
English translation of the claims
Search/Exam
Jul 17, 2023
Filing of the translations of the claims
Search/Exam
Jul 17, 2023
French translation of claims
Search/Exam
Jul 17, 2023
Letter accompanying subsequently filed items
Search/Exam
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Intention to grant (signatures)
Search/Exam
Mar 22, 2023
Text intended for grant (clean copy)
Search/Exam
Mar 22, 2023
Mar 8, 2023
Examination started
Search/Exam
Aug 24, 2022
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May 30, 2022
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(Electronic) Receipt
Search/Exam
May 20, 2022
Priority search results copy provided by EPO
Search/Exam
May 20, 2022
Request for entry into the European phase
Search/Exam
Mar 25, 2022
Information on entry into European phase
Search/Exam
Jun 10, 2021
May 20, 2021
Copy of the international search report
Search/Exam
May 20, 2021
Copy of the international search report
Search/Exam
May 20, 2021
Published international application - A1
Search/Exam
Nov 20, 2020
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(Electronic) Receipt
PCTRO
Nov 9, 2020
Abstract
PCTRO
Nov 9, 2020
Claims
PCTRO
Nov 9, 2020
Description
PCTRO
Nov 9, 2020
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Drawings
PCTRO
Nov 9, 2020