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The patent EP3183950 was granted to Pttinger Landtechnik on Dec 29, 2021. The application was filed on Nov 25, 2016 under application number EP16200670A. 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 |
|---|---|---|---|
| MASCHINENFABRIK BERNARD KRONE | Sep 29, 2022 | BUSSE & BUSSE | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | DE10016688 |
| DESCRIPTION | DE102009039601 |
| DESCRIPTION | DE10258347 |
| DESCRIPTION | DE3730449 |
| OPPOSITION | CH677308 |
| OPPOSITION | DE10016688 |
| OPPOSITION | DE102005055919 |
| OPPOSITION | DE10244822 |
| OPPOSITION | DE10258347 |
| OPPOSITION | DE19718110 |
| OPPOSITION | DE3216977 |
| OPPOSITION | DE3730449 |
| OPPOSITION | US5721421 |
| SEARCH | CH677308 |
| SEARCH | DE10016688 |
| SEARCH | DE10258347 |
| SEARCH | DE3216977 |
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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Oct 28, 2025
Sep 26, 2025
Jul 25, 2025
Jul 25, 2025
Jul 11, 2025
Dec 2, 2024
Nov 27, 2024
(Electronic) Receipt
Appeal
Nov 27, 2024
Nov 27, 2024
Nov 27, 2024
Reply to appeal
Appeal
Nov 27, 2024
Nov 14, 2024
Nov 14, 2024
Nov 13, 2024
(Electronic) Receipt
Appeal
Nov 13, 2024
Nov 13, 2024
Jul 16, 2024
Jul 11, 2024
(Electronic) Receipt
Appeal
Jul 11, 2024
Jul 11, 2024
May 17, 2024
May 17, 2024
May 10, 2024
(Electronic) Receipt
Appeal
May 10, 2024
May 10, 2024
Notice of appeal
Appeal
Mar 12, 2024
Mar 11, 2024
Mar 11, 2024
Mar 11, 2024
Mar 11, 2024
Mar 11, 2024
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Mar 11, 2024
Means of redress
OPPO
Mar 11, 2024
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Authorisation
OPPO
Dec 14, 2023
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Jan 12, 2022
Dec 2, 2021
Decision to grant a European patent
Search/Exam
Nov 15, 2021
(Electronic) Receipt
Search/Exam
Nov 15, 2021
English translation of the claims
Search/Exam
Nov 15, 2021
French translation of claims
Search/Exam
Nov 15, 2021
Letter accompanying subsequently filed items
Search/Exam
Jul 16, 2021
Jul 16, 2021
Jul 16, 2021
Intention to grant (signatures)
Search/Exam
Jul 16, 2021
Text intended for grant (clean copy)
Search/Exam
Jul 16, 2021
Jun 22, 2021
Examination started
Search/Exam
Dec 21, 2017
(Electronic) Receipt
Search/Exam
Dec 21, 2017
Letter accompanying subsequently filed items
Search/Exam
Dec 21, 2017
Dec 15, 2017
Nov 29, 2017
(Electronic) Receipt
Search/Exam
Nov 29, 2017
Nov 29, 2017
Amended claims with annotations
Search/Exam
Nov 29, 2017
Nov 29, 2017
Amended description with annotations
Search/Exam
Nov 29, 2017
Amendments received before examination
Search/Exam
Nov 29, 2017
Letter accompanying subsequently filed items
Search/Exam
Jul 3, 2017
May 31, 2017
May 31, 2017
European search opinion
Search/Exam
May 31, 2017
European search report
Search/Exam
May 31, 2017
Information on Search Strategy
Search/Exam
May 31, 2017
Notification of forthcoming publication
Search/Exam
May 24, 2017
Modified abstract
Search/Exam
May 17, 2017
Amendments not yet acceptable
Search/Exam
Apr 25, 2017
Annex
Search/Exam
Apr 25, 2017
Annex
Search/Exam
Apr 25, 2017
Apr 5, 2017
Annex to the communication
Search/Exam
Apr 5, 2017
Mar 29, 2017
Search started
Search/Exam
Mar 22, 2017
Letter concerning the priority
Search/Exam
Mar 22, 2017
Priority document
Search/Exam
Jan 18, 2017
Communication to designated inventor
Search/Exam
Dec 8, 2016
Letter concerning the inventor
Search/Exam
Nov 25, 2016
Abstract
Search/Exam
Nov 25, 2016
Nov 25, 2016
Claims
Search/Exam
Nov 25, 2016
Description
Search/Exam
Nov 25, 2016
Drawings
Search/Exam
Nov 25, 2016
Request for grant of a European patent
Search/Exam