The weekly litigation news digest is live. Subscribe now
The patent EP3888884 was granted to GEA Procomac on May 4, 2022. The application was filed on Mar 25, 2021 under application number EP21165051A. 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 |
|---|---|---|---|
| KHS | Feb 6, 2023 | HAARPATENT PATENTANWALTE KRAMER MEYER | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | EP2246176 |
| OPPOSITION | DE102004041973 |
| OPPOSITION | DE102004044260 |
| OPPOSITION | DE102007015105 |
| OPPOSITION | DE102009019008 |
| OPPOSITION | DE102010022132 |
| OPPOSITION | DE102011013124 |
| OPPOSITION | DE102011105744 |
| OPPOSITION | DE102011110962 |
| OPPOSITION | DE102013110132 |
| OPPOSITION | DE102018110036 |
| OPPOSITION | DE4340291 |
| OPPOSITION | EP2246176 |
| OPPOSITION | EP2388128 |
| OPPOSITION | US2004173949 |
| OPPOSITION | US2011286899 |
| OPPOSITION | US2014103584 |
| OPPOSITION | US4488863 |
| OPPOSITION | US6692684 |
| SEARCH | EP2246176 |
| SEARCH | US2011286899 |
| SEARCH | US2014103584 |
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
Get instant alerts for new documents
Jan 16, 2026
Jan 12, 2026
Jan 12, 2026
Jan 12, 2026
Apr 22, 2025
Apr 22, 2025
Apr 22, 2025
Apr 22, 2025
Apr 22, 2025
Apr 10, 2025
Apr 9, 2025
Apr 9, 2025
Apr 7, 2025
Apr 7, 2025
Apr 7, 2025
Apr 7, 2025
Apr 4, 2025
Apr 4, 2025
Apr 4, 2025
Apr 4, 2025
Apr 3, 2025
Mar 20, 2025
Feb 14, 2025
Feb 11, 2025
Feb 6, 2025
Feb 6, 2025
Feb 6, 2025
Feb 6, 2025
Feb 6, 2025
Feb 6, 2025
Feb 6, 2025
Feb 6, 2025
Feb 6, 2025
Feb 6, 2025
Feb 6, 2025
Feb 6, 2025
Feb 6, 2025
Feb 6, 2025
Feb 6, 2025
Feb 6, 2025
Feb 6, 2025
Feb 6, 2025
Feb 6, 2025
Feb 6, 2025
Feb 6, 2025
Feb 6, 2025
Feb 6, 2025
Feb 6, 2025
Feb 6, 2025
Feb 6, 2025
Feb 6, 2025
Feb 6, 2025
Feb 6, 2025
Feb 6, 2025
Feb 6, 2025
Feb 6, 2025
Feb 6, 2025
Feb 6, 2025
Feb 6, 2025
Feb 6, 2025
Feb 6, 2025
Feb 6, 2025
Feb 6, 2025
Feb 6, 2025
Feb 6, 2025
Feb 6, 2025
Feb 6, 2025
Feb 6, 2025
Feb 6, 2025
Feb 6, 2025
Jan 31, 2025
Jan 31, 2025
Jan 31, 2025
May 14, 2024
May 14, 2024
May 14, 2024
May 14, 2024
May 14, 2024
May 14, 2024
May 14, 2024
Jun 30, 2023
Jun 26, 2023
Jun 26, 2023
Jun 26, 2023
Jun 26, 2023
Jun 26, 2023
Jun 26, 2023
Jun 26, 2023
Jun 26, 2023
Jun 26, 2023
Jun 26, 2023
Jun 26, 2023
Jun 26, 2023
Jun 26, 2023
Jun 26, 2023
Jun 26, 2023
Jun 26, 2023
Jun 26, 2023
Jun 26, 2023
Jun 26, 2023
Jun 26, 2023
Feb 21, 2023
Feb 21, 2023
Feb 13, 2023
Feb 6, 2023
Feb 6, 2023
Feb 6, 2023
Feb 6, 2023
Feb 6, 2023
Feb 6, 2023
Feb 6, 2023
Feb 6, 2023
Feb 6, 2023
Feb 6, 2023
Feb 6, 2023
Feb 6, 2023
Feb 6, 2023
Feb 6, 2023
Feb 6, 2023
Feb 6, 2023
Feb 6, 2023
Feb 6, 2023
Feb 6, 2023
Feb 6, 2023
Feb 6, 2023
Feb 6, 2023
Feb 6, 2023
Feb 6, 2023
May 17, 2022
Apr 7, 2022
Decision to grant a European patent
Search/Exam
Mar 23, 2022
(Electronic) Receipt
Search/Exam
Mar 23, 2022
French translation of claims
Search/Exam
Mar 23, 2022
German translation of the claims
Search/Exam
Mar 23, 2022
Letter accompanying subsequently filed items
Search/Exam
Feb 16, 2022
Feb 16, 2022
Feb 16, 2022
Intention to grant (signatures)
Search/Exam
Feb 16, 2022
Text intended for grant (clean copy)
Search/Exam
Feb 16, 2022
Jan 27, 2022
Examination started
Search/Exam
Oct 11, 2021
Sep 15, 2021
(Electronic) Receipt
Search/Exam
Sep 15, 2021
Letter accompanying subsequently filed items
Search/Exam
Sep 8, 2021
Notification of forthcoming publication
Search/Exam
Sep 3, 2021
Refund of fees
Search/Exam
Aug 31, 2021
Aug 31, 2021
European search opinion
Search/Exam
Aug 31, 2021
European search report
Search/Exam
Aug 31, 2021
Information on Search Strategy
Search/Exam
Aug 11, 2021
Search started
Search/Exam
Mar 29, 2021
Mar 25, 2021
Abstract
Search/Exam
Mar 25, 2021
Mar 25, 2021
Claims
Search/Exam
Mar 25, 2021
Description
Search/Exam
Mar 25, 2021
Designation of inventor
Search/Exam
Mar 25, 2021
Drawings
Search/Exam
Mar 25, 2021
Priority search results
Search/Exam
Mar 25, 2021
Request for grant of a European patent
Search/Exam
Mar 25, 2021