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The patent EP3571049 was granted to PRO Hydro on Aug 9, 2023. The application was filed on Jan 16, 2018 under application number EP18741660A. 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 |
|---|---|---|---|
| LUTZKE MASCHINEN UND ANLAGEN | May 7, 2024 | OTTEN | ADMISSIBLE |
| LUTZKE MASCHINEN UND ANLAGEN | May 7, 2024 | RAVENSPAT | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | DE102005026050 |
| DESCRIPTION | DE102014202016 |
| DESCRIPTION | WO0149489 |
| DESCRIPTION | WO2016113464 |
| INTERNATIONAL-SEARCH-REPORT | EP2955004 |
| INTERNATIONAL-SEARCH-REPORT | WO0149489 |
| INTERNATIONAL-SEARCH-REPORT | WO2011141402 |
| OPPOSITION | DE102005026050 |
| OPPOSITION | US2002189753 |
| OPPOSITION | WO0149489 |
| SEARCH | CN101693175B |
| SEARCH | DE102005026050 |
| SEARCH | DE102014202016 |
| SEARCH | EP1301283 |
| SEARCH | WO0149489 |
| SEARCH | WO2011141402 |
| SEARCH | WO2016113464 |
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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Aug 22, 2023
Jul 13, 2023
Decision to grant a European patent
Search/Exam
Jun 29, 2023
(Electronic) Receipt
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Jun 29, 2023
Filing of the translations of the claims
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Jun 29, 2023
French translation of claims
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Jun 29, 2023
German translation of the claims
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Jun 29, 2023
Letter accompanying subsequently filed items
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Feb 22, 2023
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Feb 22, 2023
Intention to grant (signatures)
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Feb 22, 2023
Text intended for grant (clean copy)
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Feb 22, 2023
Sep 29, 2022
(Electronic) Receipt
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Sep 29, 2022
Amended claims with annotations
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Sep 29, 2022
Claims
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Sep 29, 2022
Letter accompanying subsequently filed items
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Sep 29, 2022
Sep 29, 2022
Jun 23, 2022
Annex to the communication
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Jun 23, 2022
Communication from the Examining Division
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Feb 3, 2022
(Electronic) Receipt
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Feb 3, 2022
Amended claims with annotations
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Feb 3, 2022
Claims
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Feb 3, 2022
Letter accompanying subsequently filed items
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Feb 3, 2022
Sep 27, 2021
Annex to the communication
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Sep 27, 2021
Communication from the Examining Division
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Sep 22, 2021
Examination started
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Apr 6, 2021
(Electronic) Receipt
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Apr 6, 2021
Amendments received before examination
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Apr 6, 2021
Description
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Apr 6, 2021
Letter accompanying subsequently filed items
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Apr 1, 2021
Mar 25, 2021
Oct 8, 2020
Sep 21, 2020
Sep 21, 2020
European search opinion
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Sep 21, 2020
Information on Search Strategy
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Sep 21, 2020
Supplementary European search report
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Oct 30, 2019
Aug 30, 2019
Aug 28, 2019
Communication to designated inventor
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Aug 12, 2019
(Electronic) Receipt
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Aug 12, 2019
Annex
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Aug 12, 2019
Annex
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Aug 12, 2019
Annex
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Aug 12, 2019
Priority search results
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Aug 12, 2019
Request for entry into the European phase
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Jul 30, 2019
Jul 30, 2019
Jun 3, 2019
Information on entry into European phase
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Dec 11, 2018
Notification of election of EPO
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Aug 16, 2018
Jul 26, 2018
Copy of the international search report
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Jul 26, 2018
Published international application - A1
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