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The patent EP3554758 was granted to Swep on Sep 25, 2024. The application was filed on Dec 11, 2017 under application number EP17822594A. 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 |
|---|---|---|---|
| ALFA LAVAL CORPORATE | Jun 25, 2025 | GRUNECKER PATENT | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | SE1550718 |
| DESCRIPTION | WO2015062992 |
| EXAMINATION | WO2008060225 |
| INTERNATIONAL-SEARCH-REPORT | US2016184935 |
| INTERNATIONAL-SEARCH-REPORT | US5437737 |
| INTERNATIONAL-SEARCH-REPORT | WO2015006338 |
| INTERNATIONAL-SEARCH-REPORT | WO2016055430 |
| INTERNATIONAL-SEARCH-REPORT | WO2016193383 |
| OPPOSITION | JP2007203352 |
| OPPOSITION | US2016184935 |
| OPPOSITION | US4073639 |
| OPPOSITION | US4410604 |
| OPPOSITION | US5437737 |
| OPPOSITION | WO2013144222 |
| OPPOSITION | WO2015006338 |
| OPPOSITION | WO2016055430 |
| OPPOSITION | WO2016116273 |
| OPPOSITION | WO2016193383 |
| SEARCH | US2016184935 |
| SEARCH | US5437737 |
| SEARCH | WO2015006338 |
| SEARCH | WO2016055430 |
| SEARCH | WO2016193383 |
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 9, 2024
Aug 29, 2024
Decision to grant a European patent
Search/Exam
Aug 14, 2024
(Electronic) Receipt
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Aug 14, 2024
Filing of the translations of the claims
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Aug 14, 2024
French translation of claims
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Aug 14, 2024
German translation of the claims
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Apr 24, 2024
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Intention to grant (signatures)
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Apr 24, 2024
Text intended for grant (clean copy)
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Apr 24, 2024
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Mar 21, 2024
(Electronic) Receipt
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Mar 21, 2024
Amended claims with annotations
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Mar 21, 2024
Amended claims with annotations
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Mar 21, 2024
Amended claims with annotations
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Mar 21, 2024
Amended claims with annotations
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Mar 21, 2024
Amended claims with annotations
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Mar 21, 2024
Amended claims with annotations
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Mar 21, 2024
Amended claims with annotations
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Mar 21, 2024
Amended claims with annotations
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Mar 21, 2024
Amended claims with annotations
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Mar 21, 2024
Amended claims with annotations
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Mar 21, 2024
Claims
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Mar 21, 2024
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Mar 21, 2024
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Mar 21, 2024
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Mar 21, 2024
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Mar 21, 2024
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Mar 21, 2024
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Mar 21, 2024
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Mar 21, 2024
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Mar 21, 2024
Letter accompanying subsequently filed items
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Mar 21, 2024
Nov 9, 2023
Annex to the communication
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Nov 9, 2023
Summons to attend oral proceedings
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Jan 20, 2022
(Electronic) Receipt
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Jan 20, 2022
Amended claims with annotations
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Jan 20, 2022
Claims
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Jan 20, 2022
Letter accompanying subsequently filed items
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Jan 20, 2022
Nov 22, 2021
Nov 16, 2021
(Electronic) Receipt
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Nov 16, 2021
Letter accompanying subsequently filed items
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Nov 16, 2021
Jul 22, 2021
Annex to the communication
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Jul 22, 2021
Communication from the Examining Division
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Jul 15, 2021
Examination started
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Mar 24, 2021
(Electronic) Receipt
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Mar 24, 2021
Letter accompanying subsequently filed items
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Mar 24, 2021
Matter concerning the application
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May 12, 2020
(Electronic) Receipt
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May 12, 2020
Letter accompanying subsequently filed items
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May 12, 2020
Priority search results
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May 12, 2020
Mar 18, 2020
Jan 10, 2020
(Electronic) Receipt
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Jan 10, 2020
Letter accompanying subsequently filed items
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Jan 10, 2020
Reply to Written Opinion prepared by the EPO
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Sep 25, 2019
Jul 23, 2019
Jul 19, 2019
Communication to designated inventor
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Jul 19, 2019
Communication to designated inventor
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Jul 2, 2019
Jun 25, 2019
(Electronic) Receipt
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Jun 25, 2019
Priority search results
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Jun 25, 2019
Request for entry into the European phase
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Apr 26, 2019
Information on entry into European phase
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Jul 17, 2018
Jun 21, 2018
Copy of the international search report
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Jun 21, 2018
Published international application - A1
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Feb 28, 2018
(Electronic) Receipt
PCTRO
Feb 28, 2018
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Dec 11, 2017
(Electronic) Receipt
PCTRO
Dec 11, 2017
Abstract
PCTRO
Dec 11, 2017
Claims
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Dec 11, 2017
Description
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Dec 11, 2017
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Drawings
PCTRO
Dec 11, 2017