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The patent EP3181231 was granted to Flottweg on Nov 20, 2024. The application was filed on Oct 26, 2016 under application number EP16195749A. 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 |
|---|---|---|---|
| ALFA LAVAL CORPORATE | Oct 13, 2020 | GRUNECKER PATENT | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| OPPOSITION | DE102010020901 |
| OPPOSITION | DE102012004548 |
| OPPOSITION | DE102014108722 |
| OPPOSITION | DE10336350 |
| OPPOSITION | DE4132029 |
| OPPOSITION | US2014038806 |
| OPPOSITION | WO02098567 |
| OPPOSITION | WO2011117090 |
| SEARCH | DE102010020901 |
| SEARCH | DE102012004548 |
| SEARCH | DE102014108722 |
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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Oct 24, 2024
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(Electronic) Receipt
Appeal
Apr 4, 2024
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(Electronic) Receipt
Appeal
Feb 21, 2024
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May 30, 2023
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(Electronic) Receipt
Appeal
May 24, 2023
May 24, 2023
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Apr 17, 2023
(Electronic) Receipt
Appeal
Apr 17, 2023
Apr 17, 2023
Reply to appeal
Appeal
Apr 13, 2023
Apr 6, 2023
(Electronic) Receipt
Appeal
Apr 6, 2023
Apr 6, 2023
Reply to appeal
Appeal
Mar 24, 2023
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Dec 1, 2022
(Electronic) Receipt
Appeal
Dec 1, 2022
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Nov 30, 2022
(Electronic) Receipt
Appeal
Nov 30, 2022
Nov 30, 2022
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Oct 4, 2022
(Electronic) Receipt
Appeal
Oct 4, 2022
Oct 4, 2022
Notice of appeal
Appeal
Sep 29, 2022
(Electronic) Receipt
Appeal
Sep 29, 2022
Sep 29, 2022
Notice of appeal
Appeal
Jul 25, 2022
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Means of redress
OPPO
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Decision to grant a European patent
Search/Exam
Dec 17, 2019
(Electronic) Receipt
Search/Exam
Dec 17, 2019
English translation of the claims
Search/Exam
Dec 17, 2019
Filing of the translations of the claims
Search/Exam
Dec 17, 2019
French translation of claims
Search/Exam
Dec 17, 2019
Letter accompanying subsequently filed items
Search/Exam
Sep 26, 2019
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Sep 26, 2019
Intention to grant (signatures)
Search/Exam
Sep 26, 2019
Text intended for grant (clean copy)
Search/Exam
Sep 26, 2019
Jul 12, 2019
Examination started
Search/Exam
Nov 20, 2018
Nov 13, 2018
Sep 27, 2018
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Dec 21, 2017
(Electronic) Receipt
Search/Exam
Dec 21, 2017
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Amended claims with annotations
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Dec 21, 2017
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Amended description with annotations
Search/Exam
Dec 21, 2017
Amendments received before examination
Search/Exam
Dec 21, 2017
Letter accompanying subsequently filed items
Search/Exam
Jun 26, 2017
May 24, 2017
Notification of forthcoming publication
Search/Exam
Apr 24, 2017
Apr 24, 2017
European search opinion
Search/Exam
Apr 24, 2017
European search report
Search/Exam
Apr 24, 2017
Information on Search Strategy
Search/Exam
Apr 14, 2017
Modified abstract
Search/Exam
Apr 5, 2017
Search started
Search/Exam
Feb 10, 2017
Submission concerning representation
Search/Exam
Dec 19, 2016
Communication to designated inventor
Search/Exam
Dec 19, 2016
Communication to designated inventor
Search/Exam
Dec 2, 2016
Letter concerning the priority
Search/Exam
Dec 2, 2016
Priority document
Search/Exam
Oct 26, 2016
Abstract
Search/Exam
Oct 26, 2016
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Claims
Search/Exam
Oct 26, 2016
Description
Search/Exam
Oct 26, 2016
Designation of inventor
Search/Exam
Oct 26, 2016
Drawings
Search/Exam
Oct 26, 2016
Priority search results
Search/Exam
Oct 26, 2016
Request for grant of a European patent
Search/Exam