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The patent EP3678962 was granted to Heuft Systemtechnik on Nov 10, 2021. The application was filed on Sep 6, 2018 under application number EP18768836A. 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 | Aug 9, 2022 | KALKOFF & PARTNER PATENTANWALTE MBB | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| INTERNATIONAL-SEARCH-REPORT | DE2439804 |
| INTERNATIONAL-SEARCH-REPORT | DE29610201U |
| INTERNATIONAL-SEARCH-REPORT | US4470499 |
| OPPOSITION | DE102010000596 |
| OPPOSITION | DE102010031625 |
| OPPOSITION | DE102015006979 |
| OPPOSITION | DE2439804 |
| OPPOSITION | DE29610201U |
| OPPOSITION | DE3825069 |
| OPPOSITION | DE69804547T |
| OPPOSITION | DE7631052U |
| OPPOSITION | DE8714605U |
| OPPOSITION | EP0367972 |
| OPPOSITION | EP1041019 |
| OPPOSITION | EP2404832 |
| OPPOSITION | EP2821353 |
| OPPOSITION | US4470499 |
| OPPOSITION | US6105757 |
| OPPOSITION | US6296111 |
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 9, 2025
Dec 9, 2025
Nov 26, 2025
Nov 25, 2025
Nov 25, 2025
Nov 25, 2025
Oct 15, 2025
Refund of fees
Appeal
Oct 14, 2025
Oct 14, 2025
Oct 14, 2025
Sep 8, 2025
Sep 3, 2025
(Electronic) Receipt
Appeal
Sep 3, 2025
Sep 3, 2025
Aug 29, 2025
Aug 26, 2025
(Electronic) Receipt
Appeal
Aug 26, 2025
Aug 26, 2025
Jun 2, 2025
Jun 2, 2025
Apr 4, 2025
Mar 31, 2025
(Electronic) Receipt
Appeal
Mar 31, 2025
Mar 31, 2025
Dec 20, 2024
Dec 20, 2024
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Dec 20, 2024
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Dec 19, 2024
(Electronic) Receipt
Appeal
Dec 19, 2024
Dec 19, 2024
Dec 18, 2024
Dec 18, 2024
Oct 22, 2024
Oct 22, 2024
Oct 17, 2024
(Electronic) Receipt
Appeal
Oct 17, 2024
(Electronic) Receipt
Appeal
Oct 17, 2024
Oct 17, 2024
Oct 17, 2024
Reply to appeal
Appeal
Oct 17, 2024
Reply to appeal
Appeal
Aug 23, 2024
Aug 23, 2024
Jul 30, 2024
Jul 25, 2024
(Electronic) Receipt
Appeal
Jul 25, 2024
Jul 25, 2024
Jul 23, 2024
Jul 18, 2024
(Electronic) Receipt
Appeal
Jul 18, 2024
Jul 18, 2024
Jul 9, 2024
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Jul 4, 2024
Jul 4, 2024
Jun 19, 2024
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Jun 14, 2024
(Electronic) Receipt
Appeal
Jun 14, 2024
Jun 14, 2024
Jun 13, 2024
(Electronic) Receipt
Appeal
Jun 13, 2024
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Apr 19, 2024
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Apr 19, 2024
Apr 15, 2024
(Electronic) Receipt
Appeal
Apr 15, 2024
Apr 15, 2024
Notice of appeal
Appeal
Apr 12, 2024
(Electronic) Receipt
Appeal
Apr 12, 2024
Notice of appeal
Appeal
Apr 12, 2024
Notice of appeal
Appeal
Feb 16, 2024
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Means of redress
OPPO
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Nov 23, 2021
Oct 14, 2021
Decision to grant a European patent
Search/Exam
Aug 24, 2021
Aug 17, 2021
(Electronic) Receipt
Search/Exam
Aug 17, 2021
English translation of the claims
Search/Exam
Aug 17, 2021
Filing of the translations of the claims
Search/Exam
Aug 17, 2021
French translation of claims
Search/Exam
Aug 17, 2021
Letter accompanying subsequently filed items
Search/Exam
Apr 29, 2021
Apr 29, 2021
Apr 29, 2021
Intention to grant (signatures)
Search/Exam
Apr 29, 2021
Text intended for grant (clean copy)
Search/Exam
Apr 29, 2021
Mar 31, 2021
Examination started
Search/Exam
Dec 10, 2020
(Electronic) Receipt
Search/Exam
Dec 10, 2020
Letter accompanying subsequently filed items
Search/Exam
Dec 10, 2020
Priority search results
Search/Exam
Dec 10, 2020
Dec 3, 2020
Oct 5, 2020
(Electronic) Receipt
Search/Exam
Oct 5, 2020
Oct 5, 2020
Amended claims with annotations
Search/Exam
Oct 5, 2020
Oct 5, 2020
Amended description with annotations
Search/Exam
Oct 5, 2020
Amendments received before examination
Search/Exam
Oct 5, 2020
Letter accompanying subsequently filed items
Search/Exam
Jun 17, 2020
Apr 16, 2020
Apr 14, 2020
Communication to designated inventor
Search/Exam
Apr 14, 2020
Communication to designated inventor
Search/Exam
Apr 3, 2020
(Electronic) Receipt
Search/Exam
Apr 3, 2020
Request for entry into the European phase
Search/Exam
Mar 26, 2020
Jan 17, 2020
Information on entry into European phase
Search/Exam
Apr 2, 2019
Mar 14, 2019
Copy of the international search report
Search/Exam
Mar 14, 2019
Published international application - A1
Search/Exam
Dec 17, 2018
Dec 17, 2018
Dec 17, 2018
Sep 26, 2018
Sep 21, 2018
Sep 6, 2018
(Electronic) Receipt
PCTRO
Sep 6, 2018
Abstract
PCTRO
Sep 6, 2018
Claims
PCTRO
Sep 6, 2018
Description
PCTRO
Sep 6, 2018
Sep 6, 2018
Drawings
PCTRO
Sep 6, 2018