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The patent EP3681266 was granted to Nuseed Innovation on Oct 23, 2024. The application was filed on Sep 10, 2018 under application number EP18853938A. 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 |
|---|---|---|---|
| BIOALAZOR INNOVACIONES SL NOVARROZ ESPANA | Jul 23, 2025 | ARNOLD & SIEDSMA | ADMISSIBLE |
| ELZABURU | Jul 23, 2025 | ELZABURU SLP | ADMISSIBLE |
| REPSOL | Jul 23, 2025 | ZBM PATENTS ZEA | ADMISSIBLE |
| SAIPOL | Jul 23, 2025 | SANTARELLI | ADMISSIBLE |
| ARROWHOUSE | Jul 22, 2025 | VOSSIUS & PARTNER PATENTANWALTE RECHTSANWALTE MBB | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | WO2017CA50474 |
| DESCRIPTION | WO2017181276 |
| OPPOSITION | CN106665223 |
| OPPOSITION | CN106688542 |
| OPPOSITION | CN106973679 |
| OPPOSITION | CN107079687 |
| OPPOSITION | UA70851U |
| OPPOSITION | US2008182751 |
| OPPOSITION | WO2019046968 |
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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Decision to grant a European patent
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Aug 12, 2024
(Electronic) Receipt
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Aug 12, 2024
French translation of claims
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Aug 12, 2024
German translation of the claims
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Aug 12, 2024
Letter accompanying subsequently filed items
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Intention to grant (signatures)
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Apr 17, 2024
Text intended for grant (clean copy)
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(Electronic) Receipt
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Mar 14, 2024
Amended claims with annotations
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Mar 14, 2024
Amended description with annotations
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Mar 14, 2024
Claims
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Mar 14, 2024
Description
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Mar 14, 2024
Letter accompanying subsequently filed items
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Mar 14, 2024
Nov 9, 2023
Annex to the communication
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Nov 9, 2023
Summons to attend oral proceedings
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Jun 22, 2023
(Electronic) Receipt
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Jun 22, 2023
Amended claims with annotations
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Amended description with annotations
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Jun 22, 2023
Claims
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Jun 22, 2023
Description
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Jun 22, 2023
Letter accompanying subsequently filed items
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Jun 22, 2023
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Annex to the communication
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Feb 23, 2023
Communication from the Examining Division
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Feb 20, 2023
Examination started
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May 3, 2022
Document concerning representation
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May 3, 2022
Letter accompanying subsequently filed items
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Nov 23, 2021
(Electronic) Receipt
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Nov 23, 2021
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Amended claims with annotations
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Nov 23, 2021
Amendments received before examination
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Nov 23, 2021
Letter accompanying subsequently filed items
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Jun 7, 2021
Annexes in respect of a client data request
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Jun 7, 2021
Annexes in respect of a client data request
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May 28, 2021
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European search opinion
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May 10, 2021
Information on Search Strategy
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May 10, 2021
Supplementary European search report
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Apr 28, 2021
Search started
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Oct 1, 2020
(Electronic) Receipt
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Oct 1, 2020
Oct 1, 2020
Amended claims with annotations
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Oct 1, 2020
Amendments received before examination
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Oct 1, 2020
Letter accompanying subsequently filed items
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Jun 24, 2020
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(Electronic) Receipt
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May 14, 2020
Letter accompanying subsequently filed items
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May 14, 2020
Matter concerning the application
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May 14, 2020
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Communication to designated inventor
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Communication to designated inventor
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Communication to designated inventor
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Apr 16, 2020
(Electronic) Receipt
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Apr 16, 2020
Letter accompanying subsequently filed items
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Apr 16, 2020
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Notification of the recording of a change
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Mar 10, 2020
(Electronic) Receipt
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Mar 10, 2020
Notification of the recording of a change
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Mar 10, 2020
Request for entry into the European phase
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Jan 17, 2020
Information on entry into European phase
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Aug 6, 2019
Notification of election of EPO
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Apr 2, 2019
Mar 14, 2019
Copy of the international search report
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Mar 14, 2019
Published international application - A1
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