The weekly litigation news digest is live. Subscribe now
The patent EP3643173 was granted to Amazonen Werke H Dreyer on Apr 26, 2023. The application was filed on Oct 18, 2019 under application number EP19401042A. 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 |
|---|---|---|---|
| HORSCH LEEB APPLICATION SYSTEMS | Jan 24, 2024 | V BEZOLD & PARTNER PATENTANWALTE PARTG MBB | WITHDRAWN |
| DEERE & JOHN DEERE | Dec 6, 2023 | HOLST | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| EXAMINATION | WO9602817 |
| OPPOSITION | AU668068B |
| OPPOSITION | DE102014112441 |
| OPPOSITION | DE102015119026 |
| OPPOSITION | DE102016123757 |
| OPPOSITION | DE102018106538 |
| OPPOSITION | DE2556707 |
| OPPOSITION | DE4413739 |
| OPPOSITION | DE69808434T |
| OPPOSITION | EP2022329 |
| OPPOSITION | EP2995382 |
| OPPOSITION | EP3269240 |
| OPPOSITION | EP3357332 |
| OPPOSITION | EP3366129 |
| OPPOSITION | EP3556208 |
| OPPOSITION | GB2433407 |
| OPPOSITION | US2009134237 |
| OPPOSITION | US2013292487 |
| OPPOSITION | US2015245565 |
| OPPOSITION | US2017079200 |
| OPPOSITION | US2017251657 |
| OPPOSITION | US2017360022 |
| OPPOSITION | US2018168141 |
| OPPOSITION | US2018242517 |
| OPPOSITION | US3730431 |
| OPPOSITION | US4835691 |
| OPPOSITION | US5279068 |
| OPPOSITION | US5842307 |
| OPPOSITION | WO03009682 |
| OPPOSITION | WO2006021207 |
| OPPOSITION | WO2015154027 |
| OPPOSITION | WO2018129323 |
| OPPOSITION | WO2018154490 |
| OPPOSITION | WO9422094 |
| OPPOSITION | WO9602817 |
| OPPOSITION | WO9737372 |
| SEARCH | EP2995382 |
| SEARCH | US2018243771 |
| SEARCH | US4015366 |
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
Dec 10, 2025
Dec 10, 2025
Dec 10, 2025
Dec 10, 2025
Nov 7, 2025
Nov 7, 2025
Nov 7, 2025
Oct 31, 2025
Jul 30, 2025
Jul 30, 2025
Jul 30, 2025
Jul 30, 2025
Jul 30, 2025
Jul 30, 2025
Jul 30, 2025
Jul 30, 2025
Jul 30, 2025
Means of redress
OPPO
Jul 30, 2025
Jul 30, 2025
Jul 30, 2025
Jul 30, 2025
Jul 30, 2025
Jul 30, 2025
Jul 8, 2025
May 14, 2025
May 9, 2025
May 8, 2025
May 8, 2025
May 8, 2025
May 6, 2025
May 6, 2025
May 6, 2025
May 6, 2025
May 6, 2025
May 6, 2025
May 6, 2025
May 6, 2025
May 6, 2025
May 6, 2025
May 6, 2025
May 6, 2025
May 6, 2025
May 6, 2025
May 6, 2025
May 6, 2025
May 6, 2025
May 6, 2025
May 6, 2025
May 6, 2025
May 6, 2025
May 6, 2025
May 6, 2025
May 6, 2025
May 6, 2025
May 6, 2025
May 6, 2025
May 6, 2025
May 6, 2025
May 6, 2025
May 6, 2025
May 6, 2025
May 6, 2025
May 6, 2025
May 6, 2025
Nov 14, 2024
Nov 8, 2024
Nov 8, 2024
Nov 8, 2024
Oct 18, 2024
Oct 18, 2024
Oct 18, 2024
Oct 18, 2024
Oct 18, 2024
Jun 28, 2024
Jun 28, 2024
Jun 28, 2024
Jun 25, 2024
Jun 25, 2024
Jun 25, 2024
Jun 13, 2024
Jun 13, 2024
Jun 10, 2024
Jun 10, 2024
Jun 5, 2024
Jun 5, 2024
Jun 5, 2024
Jun 5, 2024
Jun 5, 2024
Jun 5, 2024
Jun 5, 2024
Jun 5, 2024
Jun 5, 2024
Jun 5, 2024
Jun 5, 2024
Feb 9, 2024
Feb 9, 2024
Feb 9, 2024
Jan 31, 2024
Jan 24, 2024
Jan 24, 2024
Jan 24, 2024
Jan 24, 2024
Jan 24, 2024
Jan 24, 2024
Jan 24, 2024
Jan 24, 2024
Jan 24, 2024
Jan 24, 2024
Jan 24, 2024
Jan 24, 2024
Jan 24, 2024
Jan 24, 2024
Jan 24, 2024
Jan 24, 2024
Jan 24, 2024
Jan 24, 2024
Jan 24, 2024
Jan 24, 2024
Jan 24, 2024
Jan 24, 2024
Jan 24, 2024
Jan 24, 2024
Jan 24, 2024
Jan 24, 2024
Jan 24, 2024
Jan 24, 2024
Jan 24, 2024
Jan 24, 2024
Jan 24, 2024
Jan 24, 2024
Jan 24, 2024
Jan 24, 2024
Jan 24, 2024
Jan 24, 2024
Jan 24, 2024
Jan 24, 2024
Jan 24, 2024
Jan 24, 2024
Jan 4, 2024
Jan 4, 2024
Dec 22, 2023
Dec 20, 2023
Dec 20, 2023
Dec 20, 2023
Dec 18, 2023
Dec 18, 2023
Dec 18, 2023
Dec 12, 2023
Dec 12, 2023
Dec 6, 2023
Dec 6, 2023
Dec 6, 2023
Dec 6, 2023
Dec 6, 2023
Dec 6, 2023
Dec 6, 2023
Dec 6, 2023
Dec 6, 2023
Dec 6, 2023
Dec 6, 2023
May 10, 2023
Mar 30, 2023
Decision to grant a European patent
Search/Exam
Mar 16, 2023
(Electronic) Receipt
Search/Exam
Mar 16, 2023
English translation of the claims
Search/Exam
Mar 16, 2023
Filing of the translations of the claims
Search/Exam
Mar 16, 2023
French translation of claims
Search/Exam
Feb 7, 2023
Feb 7, 2023
Feb 7, 2023
Feb 7, 2023
Intention to grant (signatures)
Search/Exam
Feb 7, 2023
Text intended for grant (clean copy)
Search/Exam
Feb 7, 2023
Nov 22, 2022
(Electronic) Receipt
Search/Exam
Nov 22, 2022
Amended claims with annotations
Search/Exam
Nov 22, 2022
Claims
Search/Exam
Nov 22, 2022
Letter accompanying subsequently filed items
Search/Exam
Nov 22, 2022
Jul 18, 2022
Annex to the communication
Search/Exam
Jul 18, 2022
Communication from the Examining Division
Search/Exam
Mar 15, 2022
Mar 9, 2022
Observations by third parties
Search/Exam
Aug 30, 2021
(Electronic) Receipt
Search/Exam
Aug 30, 2021
Amended claims with annotations
Search/Exam
Aug 30, 2021
Amended description with annotations
Search/Exam
Aug 30, 2021
Claims
Search/Exam
Aug 30, 2021
Description
Search/Exam
Aug 30, 2021
Letter accompanying subsequently filed items
Search/Exam
Aug 30, 2021
May 3, 2021
Annex to the communication
Search/Exam
May 3, 2021
Communication from the Examining Division
Search/Exam
Apr 22, 2021
Examination started
Search/Exam
Apr 8, 2021
Mar 30, 2021
Mar 30, 2021
Mar 24, 2021
Annexes in respect of a client data request
Search/Exam
Mar 15, 2021
Nov 6, 2020
(Electronic) Receipt
Search/Exam
Nov 6, 2020
Nov 6, 2020
Letter accompanying subsequently filed items
Search/Exam
Oct 23, 2020
(Electronic) Receipt
Search/Exam
Oct 23, 2020
Oct 23, 2020
Amended claims with annotations
Search/Exam
Oct 23, 2020
Amendments received before examination
Search/Exam
Oct 23, 2020
Letter accompanying subsequently filed items
Search/Exam
May 6, 2020
Apr 1, 2020
Notification of forthcoming publication
Search/Exam
Mar 30, 2020
Mar 30, 2020
European search opinion
Search/Exam
Mar 30, 2020
European search report
Search/Exam
Mar 30, 2020
Information on Search Strategy
Search/Exam
Dec 11, 2019
Communication to designated inventor
Search/Exam
Dec 11, 2019
Communication to designated inventor
Search/Exam
Dec 11, 2019
Communication to designated inventor
Search/Exam
Dec 11, 2019
Communication to designated inventor
Search/Exam
Dec 11, 2019
Communication to designated inventor
Search/Exam
Dec 11, 2019
Communication to designated inventor
Search/Exam
Dec 11, 2019
Communication to designated inventor
Search/Exam
Dec 11, 2019
Communication to designated inventor
Search/Exam
Nov 18, 2019
Oct 31, 2019
Letter concerning the priority
Search/Exam
Oct 31, 2019
Priority document
Search/Exam
Oct 18, 2019
Abstract
Search/Exam
Oct 18, 2019
Oct 18, 2019
Claims
Search/Exam
Oct 18, 2019
Description
Search/Exam
Oct 18, 2019
Designation of inventor
Search/Exam
Oct 18, 2019
Drawings
Search/Exam
Oct 18, 2019
Request for grant of a European patent
Search/Exam