The weekly litigation news digest is live. Subscribe now
The patent EP3772879 was granted to Horsch Maschinen on Dec 13, 2023. The application was filed on Apr 4, 2019 under application number EP19718077A. 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 LEMKEN | Sep 13, 2024 | PATENTANWALTE OLBRICHT BUCHHOLD KEULERTZ | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| INTERNATIONAL-SEARCH-REPORT | DE102017201425 |
| INTERNATIONAL-SEARCH-REPORT | US2015105965 |
| INTERNATIONAL-SEARCH-REPORT | US2015142250 |
| INTERNATIONAL-SEARCH-REPORT | US2017357267 |
| OPPOSITION | DE102017201425 |
| OPPOSITION | EP1847897 |
| OPPOSITION | EP3259971 |
| OPPOSITION | JP2016086727 |
| OPPOSITION | US2015142250 |
| OPPOSITION | US2017357267 |
| OPPOSITION | WO2015057630 |
| OPPOSITION | WO2015057633 |
| OPPOSITION | WO2015057637 |
| OPPOSITION | WO2017214554 |
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 16, 2025
Dec 15, 2025
Dec 10, 2025
Dec 10, 2025
Dec 10, 2025
Dec 9, 2025
Dec 9, 2025
Dec 9, 2025
Dec 9, 2025
Dec 9, 2025
Dec 9, 2025
Dec 9, 2025
Dec 9, 2025
Dec 9, 2025
Dec 9, 2025
Dec 9, 2025
Dec 9, 2025
Nov 3, 2025
Oct 28, 2025
Oct 28, 2025
Oct 28, 2025
Oct 28, 2025
Oct 28, 2025
Oct 28, 2025
Oct 28, 2025
Oct 28, 2025
Oct 28, 2025
Oct 28, 2025
Oct 28, 2025
Oct 28, 2025
May 26, 2025
May 26, 2025
May 26, 2025
May 26, 2025
May 26, 2025
May 20, 2025
May 20, 2025
May 12, 2025
May 6, 2025
May 6, 2025
May 6, 2025
Apr 25, 2025
Apr 25, 2025
Apr 25, 2025
Apr 25, 2025
Apr 25, 2025
Jan 30, 2025
Jan 27, 2025
Jan 27, 2025
Jan 27, 2025
Jan 27, 2025
Jan 27, 2025
Jan 27, 2025
Jan 27, 2025
Jan 27, 2025
Jan 27, 2025
Jan 27, 2025
Jan 27, 2025
Jan 27, 2025
Jan 27, 2025
Jan 27, 2025
Jan 27, 2025
Jan 27, 2025
Jan 27, 2025
Jan 27, 2025
Jan 27, 2025
Jan 27, 2025
Jan 27, 2025
Jan 27, 2025
Jan 27, 2025
Jan 27, 2025
Jan 27, 2025
Jan 27, 2025
Jan 27, 2025
Jan 27, 2025
Jan 27, 2025
Jan 27, 2025
Jan 27, 2025
Jan 27, 2025
Jan 27, 2025
Jan 27, 2025
Jan 27, 2025
Jan 27, 2025
Jan 27, 2025
Jan 27, 2025
Jan 27, 2025
Jan 27, 2025
Jan 27, 2025
Jan 27, 2025
Jan 27, 2025
Sep 27, 2024
Sep 27, 2024
Sep 23, 2024
Sep 13, 2024
Sep 13, 2024
Sep 13, 2024
Sep 13, 2024
Sep 13, 2024
Sep 13, 2024
Sep 13, 2024
Sep 13, 2024
Sep 13, 2024
Sep 13, 2024
Sep 13, 2024
Sep 13, 2024
Sep 13, 2024
Sep 13, 2024
Sep 13, 2024
Sep 13, 2024
Sep 13, 2024
Sep 13, 2024
Sep 13, 2024
Sep 13, 2024
Sep 13, 2024
Sep 13, 2024
Sep 13, 2024
Jan 3, 2024
Nov 16, 2023
Decision to grant a European patent
Search/Exam
Nov 7, 2023
(Electronic) Receipt
Search/Exam
Nov 7, 2023
English translation of the claims
Search/Exam
Nov 7, 2023
Filing of the translations of the claims
Search/Exam
Nov 7, 2023
French translation of claims
Search/Exam
Nov 7, 2023
Letter accompanying subsequently filed items
Search/Exam
Jul 12, 2023
Jul 12, 2023
Jul 12, 2023
Jul 12, 2023
Intention to grant (signatures)
Search/Exam
Jul 12, 2023
Text intended for grant (clean copy)
Search/Exam
Jul 12, 2023
Jun 27, 2023
Examination started
Search/Exam
Mar 1, 2022
Document concerning representation
Search/Exam
Jul 21, 2021
(Electronic) Receipt
Search/Exam
Jul 21, 2021
Letter accompanying subsequently filed items
Search/Exam
Jul 21, 2021
Jul 1, 2021
May 6, 2021
(Electronic) Receipt
Search/Exam
May 6, 2021
May 6, 2021
Amended claims with annotations
Search/Exam
May 6, 2021
Letter accompanying subsequently filed items
Search/Exam
May 6, 2021
Reply to Written Opinion prepared by the EPO
Search/Exam
Jan 20, 2021
Nov 12, 2020
Nov 10, 2020
Communication to designated inventor
Search/Exam
Oct 28, 2020
(Electronic) Receipt
Search/Exam
Oct 28, 2020
Request for entry into the European phase
Search/Exam
Oct 19, 2020
Aug 14, 2020
Information on entry into European phase
Search/Exam
Oct 29, 2019
Oct 10, 2019
Copy of the international search report
Search/Exam
Oct 10, 2019
Copy of the international search report
Search/Exam
Oct 10, 2019
Published international application - A1
Search/Exam
May 2, 2019
Apr 26, 2019
Apr 4, 2019
(Electronic) Receipt
PCTRO
Apr 4, 2019
Abstract
PCTRO
Apr 4, 2019
Claims
PCTRO
Apr 4, 2019
Description
PCTRO
Apr 4, 2019
Apr 4, 2019
Drawings
PCTRO
Apr 4, 2019