The weekly litigation news digest is live. Subscribe now
The patent EP3325502 was granted to Nunhems on Jun 17, 2020. The application was filed on Jul 13, 2016 under application number EP16738436A. 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 |
|---|---|---|---|
| RIJK ZWAAN ZAADTEELT EN ZAADHANDEL | Mar 17, 2021 | ARNOLD & SIEDSMA | ADMISSIBLE |
| RIJK ZWAAN ZAADTEELT EN ZAADHANDEL | Mar 17, 2021 | VAN SOMEREN | ADMISSIBLE |
| ENZA ZADEN BEHEER | Mar 16, 2021 | HOPFNER | ADMISSIBLE |
| VILMORIN & CIE | Mar 16, 2021 | ERNEST GUTMANN YVES PLASSERAUD | ADMISSIBLE |
| SYNGENTA CROP PROTECTION | Mar 15, 2021 | HGF | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| INTERNATIONAL-SEARCH-REPORT | US2014033357 |
| INTERNATIONAL-SEARCH-REPORT | WO2006038794 |
| OPPOSITION | WO2018219941 |
| OPPOSITION | WO2020018783 |
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 27, 2025
Nov 26, 2025
Nov 26, 2025
Nov 25, 2025
(Electronic) Receipt
Appeal
Nov 25, 2025
Nov 25, 2025
Nov 25, 2025
Nov 21, 2025
Nov 20, 2025
(Electronic) Receipt
Appeal
Nov 20, 2025
Nov 20, 2025
Nov 11, 2025
Nov 7, 2025
(Electronic) Receipt
Appeal
Nov 7, 2025
Nov 7, 2025
Nov 7, 2025
Nov 7, 2025
Nov 7, 2025
Nov 7, 2025
Nov 7, 2025
Nov 7, 2025
Nov 7, 2025
Nov 7, 2025
Nov 7, 2025
Nov 7, 2025
Nov 7, 2025
Nov 7, 2025
Nov 7, 2025
Nov 7, 2025
Nov 4, 2025
(Electronic) Receipt
Appeal
Nov 4, 2025
(Electronic) Receipt
Appeal
Nov 4, 2025
Nov 4, 2025
Nov 4, 2025
Nov 4, 2025
Nov 3, 2025
Oct 31, 2025
(Electronic) Receipt
Appeal
Oct 31, 2025
Oct 31, 2025
Oct 10, 2025
Oct 10, 2025
Oct 10, 2025
Oct 10, 2025
Oct 10, 2025
Jul 3, 2025
Jul 3, 2025
Nov 6, 2024
Nov 4, 2024
(Electronic) Receipt
Appeal
Nov 4, 2024
Nov 4, 2024
Oct 15, 2024
Oct 15, 2024
Oct 10, 2024
Oct 7, 2024
Jul 18, 2024
Jul 17, 2024
(Electronic) Receipt
Appeal
Jul 17, 2024
Jul 17, 2024
Jul 5, 2024
Mar 27, 2024
Mar 11, 2024
Mar 11, 2024
Mar 11, 2024
Mar 8, 2024
Mar 8, 2024
Mar 7, 2024
(Electronic) Receipt
Appeal
Mar 7, 2024
(Electronic) Receipt
Appeal
Mar 7, 2024
(Electronic) Receipt
Appeal
Mar 7, 2024
Mar 7, 2024
Mar 7, 2024
Mar 7, 2024
Mar 7, 2024
Mar 7, 2024
Mar 7, 2024
Reply to appeal
Appeal
Mar 7, 2024
Reply to appeal
Appeal
Mar 7, 2024
Reply to appeal
Appeal
Mar 6, 2024
(Electronic) Receipt
Appeal
Mar 6, 2024
(Electronic) Receipt
Appeal
Mar 6, 2024
Mar 6, 2024
Mar 6, 2024
Mar 6, 2024
Reply to appeal
Appeal
Mar 6, 2024
Reply to appeal
Appeal
Nov 7, 2023
Nov 7, 2023
Nov 7, 2023
Nov 7, 2023
Nov 7, 2023
Nov 1, 2023
(Electronic) Receipt
Appeal
Nov 1, 2023
Nov 1, 2023
Oct 31, 2023
(Electronic) Receipt
Appeal
Oct 31, 2023
(Electronic) Receipt
Appeal
Oct 31, 2023
Oct 31, 2023
Oct 31, 2023
Oct 31, 2023
Oct 31, 2023
Oct 31, 2023
Oct 31, 2023
Oct 31, 2023
Oct 31, 2023
Oct 31, 2023
Oct 31, 2023
Oct 31, 2023
Oct 31, 2023
Oct 31, 2023
Oct 31, 2023
Oct 31, 2023
Oct 31, 2023
Oct 31, 2023
Oct 31, 2023
Oct 31, 2023
Oct 31, 2023
Oct 31, 2023
Oct 31, 2023
Oct 31, 2023
Oct 31, 2023
Oct 31, 2023
Oct 31, 2023
Oct 31, 2023
Oct 31, 2023
Oct 31, 2023
Oct 31, 2023
Oct 31, 2023
Oct 30, 2023
(Electronic) Receipt
Appeal
Oct 30, 2023
Oct 30, 2023
Oct 30, 2023
Oct 30, 2023
Oct 30, 2023
Oct 30, 2023
Oct 26, 2023
(Electronic) Receipt
Appeal
Oct 26, 2023
Oct 26, 2023
Oct 26, 2023
Oct 25, 2023
(Electronic) Receipt
Appeal
Oct 25, 2023
Oct 25, 2023
Oct 25, 2023
Oct 25, 2023
Oct 25, 2023
Oct 25, 2023
Aug 31, 2023
Aug 30, 2023
(Electronic) Receipt
Appeal
Aug 30, 2023
Aug 29, 2023
(Electronic) Receipt
Appeal
Aug 29, 2023
Aug 29, 2023
Notice of appeal
Appeal
Aug 25, 2023
Aug 21, 2023
(Electronic) Receipt
Appeal
Aug 21, 2023
Aug 21, 2023
Aug 21, 2023
Notice of appeal
Appeal
Aug 15, 2023
(Electronic) Receipt
Appeal
Aug 15, 2023
Aug 15, 2023
Notice of appeal
Appeal
Aug 11, 2023
Aug 10, 2023
(Electronic) Receipt
Appeal
Aug 10, 2023
Aug 10, 2023
Notice of appeal
Appeal
Jul 31, 2023
Jul 24, 2023
(Electronic) Receipt
Appeal
Jul 24, 2023
Jul 24, 2023
Notice of appeal
Appeal
Jul 21, 2023
Jul 21, 2023
Jul 21, 2023
Jul 21, 2023
Jul 21, 2023
Jul 14, 2023
Jul 14, 2023
Jul 14, 2023
Authorisation
OPPO
Jul 14, 2023
Jul 14, 2023
Jul 14, 2023
Jul 12, 2023
Jul 12, 2023
Jul 12, 2023
Jul 12, 2023
Jul 6, 2023
Jul 6, 2023
Jun 21, 2023
Jun 21, 2023
Jun 21, 2023
Jun 21, 2023
Jun 21, 2023
Jun 21, 2023
Jun 21, 2023
Jun 21, 2023
Jun 21, 2023
Jun 21, 2023
Means of redress
OPPO
Jun 21, 2023
Jun 21, 2023
Jun 21, 2023
Jun 21, 2023
Jun 21, 2023
Jun 21, 2023
Jun 21, 2023
Jun 21, 2023
Jun 21, 2023
Jun 21, 2023
Jun 21, 2023
Jun 21, 2023
Jun 21, 2023
Jun 21, 2023
Jun 21, 2023
Jun 21, 2023
Jun 21, 2023
Jun 21, 2023
Jan 13, 2023
Jan 12, 2023
Jan 12, 2023
Jan 12, 2023
Jan 12, 2023
Jan 10, 2023
Jan 10, 2023
Jan 5, 2023
Jan 5, 2023
Jan 5, 2023
Jan 5, 2023
Jan 3, 2023
Jan 3, 2023
Jan 3, 2023
Dec 22, 2022
Dec 22, 2022
Dec 22, 2022
Dec 22, 2022
Dec 22, 2022
Dec 15, 2022
Dec 15, 2022
Dec 15, 2022
Dec 15, 2022
Dec 9, 2022
Dec 9, 2022
Dec 9, 2022
Dec 9, 2022
Dec 9, 2022
Nov 29, 2022
Nov 28, 2022
Nov 28, 2022
Nov 28, 2022
Nov 28, 2022
Nov 28, 2022
Nov 17, 2022
Nov 17, 2022
Nov 17, 2022
Nov 17, 2022
Nov 16, 2022
Nov 16, 2022
Nov 16, 2022
Nov 16, 2022
Nov 16, 2022
Nov 16, 2022
Nov 16, 2022
Nov 16, 2022
Nov 16, 2022
Nov 16, 2022
Nov 16, 2022
Nov 16, 2022
Nov 15, 2022
Nov 15, 2022
Nov 15, 2022
Nov 15, 2022
Nov 15, 2022
Nov 15, 2022
Nov 15, 2022
Nov 15, 2022
Nov 11, 2022
Nov 11, 2022
Nov 11, 2022
Nov 11, 2022
Nov 11, 2022
Nov 11, 2022
Nov 11, 2022
Nov 11, 2022
Nov 11, 2022
Nov 11, 2022
Nov 11, 2022
Nov 11, 2022
Nov 11, 2022
Nov 11, 2022
Nov 11, 2022
Nov 11, 2022
Nov 11, 2022
Nov 11, 2022
Nov 11, 2022
Nov 11, 2022
Nov 11, 2022
Nov 11, 2022
Nov 11, 2022
Nov 11, 2022
Nov 11, 2022
Nov 11, 2022
Nov 11, 2022
Nov 11, 2022
Nov 11, 2022
Nov 11, 2022
Nov 11, 2022
Nov 11, 2022
Nov 11, 2022
Nov 11, 2022
Nov 11, 2022
Nov 11, 2022
Nov 11, 2022
Nov 11, 2022
Nov 11, 2022
Nov 11, 2022
Nov 11, 2022
Nov 11, 2022
Nov 11, 2022
Nov 11, 2022
Nov 11, 2022
Nov 10, 2022
Nov 10, 2022
Nov 10, 2022
Nov 10, 2022
Nov 10, 2022
Nov 10, 2022
Nov 10, 2022
Nov 10, 2022
Nov 10, 2022
Nov 10, 2022
Nov 10, 2022
Nov 10, 2022
Nov 10, 2022
Oct 13, 2022
Jun 14, 2022
Jun 14, 2022
Jun 14, 2022
Jun 3, 2022
Jun 3, 2022
Jun 3, 2022
Jun 3, 2022
Jun 2, 2022
Jun 2, 2022
Jun 2, 2022
Jun 2, 2022
Jun 2, 2022
Jun 2, 2022
Jun 2, 2022
Jun 2, 2022
Jun 2, 2022
Jun 2, 2022
Jun 2, 2022
Jun 2, 2022
Nov 24, 2021
Nov 24, 2021
Nov 24, 2021
Nov 24, 2021
Nov 24, 2021
Nov 10, 2021
Nov 10, 2021
Aug 13, 2021
Aug 13, 2021
Aug 13, 2021
Aug 13, 2021
Aug 9, 2021
Aug 9, 2021
Aug 9, 2021
Aug 9, 2021
Aug 9, 2021
Aug 9, 2021
Aug 9, 2021
Aug 9, 2021
Aug 9, 2021
Aug 9, 2021
Aug 9, 2021
Aug 9, 2021
Aug 9, 2021
Aug 9, 2021
Aug 9, 2021
Jul 22, 2021
Jul 22, 2021
Jul 22, 2021
Jul 22, 2021
Jul 22, 2021
Jul 22, 2021
Jun 7, 2021
Jun 7, 2021
Jun 7, 2021
May 6, 2021
May 4, 2021
Apr 22, 2021
Apr 22, 2021
Mar 31, 2021
Mar 31, 2021
Mar 31, 2021
Mar 31, 2021
Mar 31, 2021
Mar 24, 2021
Mar 24, 2021
Mar 24, 2021
Mar 24, 2021
Mar 17, 2021
Mar 17, 2021
Mar 17, 2021
Mar 17, 2021
Mar 17, 2021
Mar 17, 2021
Mar 17, 2021
Mar 17, 2021
Mar 17, 2021
Mar 17, 2021
Mar 17, 2021
Mar 17, 2021
Mar 17, 2021
Mar 17, 2021
Mar 17, 2021
Mar 17, 2021
Mar 17, 2021
Mar 17, 2021
Mar 17, 2021
Mar 17, 2021
Mar 17, 2021
Mar 17, 2021
Mar 17, 2021
Mar 17, 2021
Mar 17, 2021
Mar 17, 2021
Mar 16, 2021
Mar 16, 2021
Mar 16, 2021
Mar 16, 2021
Mar 16, 2021
Mar 16, 2021
Mar 16, 2021
Mar 16, 2021
Mar 16, 2021
Mar 16, 2021
Mar 16, 2021
Mar 16, 2021
Mar 16, 2021
Mar 16, 2021
Mar 16, 2021
Mar 16, 2021
Mar 16, 2021
Mar 16, 2021
Mar 16, 2021
Mar 16, 2021
Mar 16, 2021
Mar 16, 2021
Mar 16, 2021
Mar 16, 2021
Mar 16, 2021
Mar 16, 2021
Mar 16, 2021
Mar 16, 2021
Mar 16, 2021
Mar 16, 2021
Mar 16, 2021
Mar 16, 2021
Mar 16, 2021
Mar 16, 2021
Mar 16, 2021
Mar 16, 2021
Mar 16, 2021
Mar 16, 2021
Mar 16, 2021
Mar 16, 2021
Mar 16, 2021
Mar 16, 2021
Mar 16, 2021
Mar 16, 2021
Mar 16, 2021
Mar 16, 2021
Mar 16, 2021
Mar 16, 2021
Mar 16, 2021
Mar 16, 2021
Mar 16, 2021
Mar 16, 2021
Mar 16, 2021
Mar 16, 2021
Mar 16, 2021
Mar 16, 2021
Mar 15, 2021
Mar 15, 2021
Mar 15, 2021
Mar 15, 2021
Mar 15, 2021
Mar 15, 2021
Mar 15, 2021
Mar 15, 2021
Mar 15, 2021
Mar 15, 2021
Mar 15, 2021
Mar 15, 2021
Mar 15, 2021
Mar 15, 2021
Jun 29, 2020
May 25, 2020
Decision to grant a European patent
Search/Exam
May 7, 2020
(Electronic) Receipt
Search/Exam
May 7, 2020
Filing of the translations of the claims
Search/Exam
May 7, 2020
French translation of claims
Search/Exam
May 7, 2020
German translation of the claims
Search/Exam
May 7, 2020
Letter accompanying subsequently filed items
Search/Exam
Jan 7, 2020
Jan 7, 2020
Jan 7, 2020
Intention to grant (signatures)
Search/Exam
Jan 7, 2020
Text intended for grant (clean copy)
Search/Exam
Jan 7, 2020
Text intended for grant (sequence listing)
Search/Exam
Jan 7, 2020
Aug 21, 2019
(Electronic) Receipt
Search/Exam
Aug 21, 2019
Amended claims with annotations
Search/Exam
Aug 21, 2019
Amended description with annotations
Search/Exam
Aug 21, 2019
Claims
Search/Exam
Aug 21, 2019
Description
Search/Exam
Aug 21, 2019
Letter accompanying subsequently filed items
Search/Exam
Aug 21, 2019
May 6, 2019
Annex to the communication
Search/Exam
May 6, 2019
Communication from the Examining Division
Search/Exam
Mar 11, 2019
Mar 1, 2019
(Electronic) Receipt
Search/Exam
Mar 1, 2019
Amended claims with annotations
Search/Exam
Mar 1, 2019
Claims
Search/Exam
Mar 1, 2019
Letter accompanying subsequently filed items
Search/Exam
Mar 1, 2019
Feb 19, 2019
Nov 7, 2018
Annex to the communication
Search/Exam
Nov 7, 2018
Communication from the Examining Division
Search/Exam
Nov 2, 2018
Examination started
Search/Exam
Aug 31, 2018
Aug 30, 2018
Aug 27, 2018
Jul 10, 2018
(Electronic) Receipt
Search/Exam
Jul 10, 2018
Letter accompanying subsequently filed items
Search/Exam
Jul 10, 2018
Reply to Written Opinion prepared by the EPO
Search/Exam
May 3, 2018
Mar 2, 2018
Feb 27, 2018
Communication to designated inventor
Search/Exam
Feb 27, 2018
Communication to designated inventor
Search/Exam
Feb 27, 2018
Communication to designated inventor
Search/Exam
Feb 27, 2018
Communication to designated inventor
Search/Exam
Feb 5, 2018
Jan 19, 2018
Information regarding early processing
Search/Exam
Dec 22, 2017
(Electronic) Receipt
Search/Exam
Dec 22, 2017
Dec 22, 2017
Request for entry into the European phase
Search/Exam
Dec 4, 2017
Information on entry into European phase
Search/Exam
Feb 14, 2017
Jan 30, 2017
Jan 30, 2017
Letter concerning biological material
Search/Exam
Jan 26, 2017
Converted Sequence Listing
Search/Exam
Jan 26, 2017
Copy of the international search report
Search/Exam
Jan 26, 2017
Published international application - A1
Search/Exam
Sep 22, 2016
ISR: cited documents
PCTISA
Sep 21, 2016
Sep 21, 2016
Sep 21, 2016
Jul 28, 2016
Jul 28, 2016
Jul 26, 2016
Jul 22, 2016
Jul 13, 2016
(Electronic) Receipt
PCTRO
Jul 13, 2016
Abstract
PCTRO
Jul 13, 2016
Claims
PCTRO
Jul 13, 2016
Description
PCTRO
Jul 13, 2016
Jul 13, 2016
Drawings
PCTRO
Jul 13, 2016
Jul 13, 2016
Jul 13, 2016