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The patent EP3620059 was granted to Hochland on Aug 20, 2025. The application was filed on Sep 6, 2018 under application number EP18192920A. The patent is currently recorded with a legal status of "Patent Maintained As Amended".

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 |
|---|---|---|---|
| JG OPPOSITIONS | Sep 30, 2021 | BOULT WADE TENNANT | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | EP1292196 |
| DESCRIPTION | WO2017050480 |
| DESCRIPTION | WO2018122021 |
| OPPOSITION | EP2926670 |
| OPPOSITION | US2011064862 |
| OPPOSITION | US2018242622 |
| OPPOSITION | WO9604800 |
| SEARCH | DE202015105079U |
| SEARCH | ES2095806 |
| SEARCH | US5656321 |
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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Jul 24, 2025
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Appeal
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Appeal
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Reply to appeal
Appeal
Nov 7, 2023
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(Electronic) Receipt
Appeal
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Sep 4, 2023
(Electronic) Receipt
Appeal
Sep 4, 2023
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Notice of appeal
Appeal
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Communication of amended entries
Search/Exam
Mar 14, 2023
Communication of amended entries
Search/Exam
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Feb 17, 2021
Document concerning representation
Search/Exam
Jan 18, 2021
Dec 3, 2020
Decision to grant a European patent
Search/Exam
Nov 20, 2020
(Electronic) Receipt
Search/Exam
Nov 20, 2020
English translation of the claims
Search/Exam
Nov 20, 2020
Filing of the translations of the claims
Search/Exam
Nov 20, 2020
French translation of claims
Search/Exam
Aug 14, 2020
Document concerning representation
Search/Exam
Jul 24, 2020
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Intention to grant (signatures)
Search/Exam
Jul 24, 2020
Text intended for grant (clean copy)
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Jul 24, 2020
May 26, 2020
(Electronic) Receipt
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May 26, 2020
Amended claims with annotations
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May 26, 2020
Amended claims with annotations
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May 26, 2020
Amended description with annotations
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May 26, 2020
Amended description with annotations
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May 26, 2020
Claims
Search/Exam
May 26, 2020
Claims
Search/Exam
May 26, 2020
Description
Search/Exam
May 26, 2020
Description
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May 26, 2020
Letter accompanying subsequently filed items
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May 26, 2020
May 13, 2020
Annex to the communication
Search/Exam
May 13, 2020
Communication from the Examining Division
Search/Exam
Mar 30, 2020
Amended claims with annotations
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Mar 30, 2020
Amended claims with annotations
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Mar 30, 2020
Amended description with annotations
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Mar 30, 2020
Claims
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Mar 30, 2020
Claims
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Mar 30, 2020
Description
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Mar 30, 2020
Description
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Mar 30, 2020
Mar 26, 2020
Amended claims with annotations
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Mar 26, 2020
Amended claims with annotations
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Mar 26, 2020
Amended description with annotations
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Mar 26, 2020
Amended description with annotations
Search/Exam
Mar 26, 2020
Claims
Search/Exam
Mar 26, 2020
Claims
Search/Exam
Mar 26, 2020
Description
Search/Exam
Mar 26, 2020
Description
Search/Exam
Mar 26, 2020
Mar 16, 2020
Feb 13, 2020
Annex to the communication
Search/Exam
Feb 13, 2020
Communication from the Examining Division
Search/Exam
Feb 12, 2020
Notification of forthcoming publication
Search/Exam
Jan 29, 2020
Amended claims with annotations
Search/Exam
Jan 29, 2020
Amended description with annotations
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Jan 29, 2020
Claims
Search/Exam
Jan 29, 2020
Description
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Jan 29, 2020
Jan 27, 2020
Amended claims with annotations
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Jan 27, 2020
Amended description with annotations
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Jan 27, 2020
Claims
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Jan 27, 2020
Description
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Jan 27, 2020
Nov 7, 2019
Annex to the communication
Search/Exam
Nov 7, 2019
Communication from the Examining Division
Search/Exam
Sep 27, 2019
(Electronic) Receipt
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Sep 27, 2019
Amended claims with annotations
Search/Exam
Sep 27, 2019
Amended description with annotations
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Sep 27, 2019
Amended description with annotations
Search/Exam
Sep 27, 2019
Claims
Search/Exam
Sep 27, 2019
Description
Search/Exam
Sep 27, 2019
Letter accompanying subsequently filed items
Search/Exam
Sep 27, 2019
Sep 9, 2019
May 27, 2019
Annex to the communication
Search/Exam
May 27, 2019
Communication from the Examining Division
Search/Exam
May 21, 2019
Examination started
Search/Exam
Mar 26, 2019
(Electronic) Receipt
Search/Exam
Mar 26, 2019
Mar 26, 2019
Amended claims with annotations
Search/Exam
Mar 26, 2019
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Amended description with annotations
Search/Exam
Mar 26, 2019
Amendments received before examination
Search/Exam
Mar 26, 2019
Letter accompanying subsequently filed items
Search/Exam
Nov 27, 2018
Nov 27, 2018
European search opinion
Search/Exam
Nov 27, 2018
European search report
Search/Exam
Nov 27, 2018
Information on Search Strategy
Search/Exam
Nov 23, 2018
Communication to designated inventor
Search/Exam
Nov 23, 2018
Communication to designated inventor
Search/Exam
Nov 19, 2018
Search started
Search/Exam
Oct 2, 2018
(Electronic) Receipt
Search/Exam
Oct 2, 2018
Letter accompanying subsequently filed items
Search/Exam
Sep 6, 2018
Abstract
Search/Exam
Sep 6, 2018
Sep 6, 2018
Claims
Search/Exam
Sep 6, 2018
Description
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Sep 6, 2018
Designation of inventor
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Sep 6, 2018
Drawings
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Sep 6, 2018
Request for grant of a European patent
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