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The patent EP3548752 was granted to Schwing on Sep 25, 2024. The application was filed on Nov 30, 2017 under application number EP17849899A. 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 |
|---|---|---|---|
| PUTZMEISTER ENGINEERING | Oct 6, 2021 | PFIZ | - |
| HAWE HYDRAULIK | Oct 4, 2021 | WITTMER | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | WO2014166637 |
| INTERNATIONAL-SEARCH-REPORT | DE102013006232 |
| INTERNATIONAL-SEARCH-REPORT | JP2013091933 |
| INTERNATIONAL-SEARCH-REPORT | US2008162005 |
| INTERNATIONAL-SEARCH-REPORT | US2016076263 |
| OPPOSITION | CN204284052U |
| OPPOSITION | EP2347988 |
| OPPOSITION | EP2500584 |
| OPPOSITION | EP3015625 |
| OPPOSITION | EP3088782 |
| OPPOSITION | JP2013091931 |
| OPPOSITION | US2008162005 |
| OPPOSITION | US4759183 |
| OPPOSITION | WO2014165888 |
| OPPOSITION | WO2014165889 |
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 29, 2024
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Refund of fees
Appeal
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May 29, 2024
(Electronic) Receipt
Appeal
May 29, 2024
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Withdrawal of an appeal
Appeal
May 24, 2024
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Mar 28, 2024
(Electronic) Receipt
Appeal
Mar 28, 2024
Notice of appeal
Appeal
Feb 2, 2024
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Decision to grant a European patent
Search/Exam
Dec 4, 2020
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Nov 27, 2020
(Electronic) Receipt
Search/Exam
Nov 27, 2020
English translation of the claims
Search/Exam
Nov 27, 2020
Filing of the translations of the claims
Search/Exam
Nov 27, 2020
French translation of claims
Search/Exam
Nov 27, 2020
Letter accompanying subsequently filed items
Search/Exam
Jul 17, 2020
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Intention to grant (signatures)
Search/Exam
Jul 17, 2020
Text intended for grant (clean copy)
Search/Exam
Jul 17, 2020
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Examination started
Search/Exam
Apr 16, 2020
(Electronic) Receipt
Search/Exam
Apr 16, 2020
Letter accompanying subsequently filed items
Search/Exam
Apr 16, 2020
Priority search results
Search/Exam
Apr 16, 2020
Mar 3, 2020
Jan 21, 2020
(Electronic) Receipt
Search/Exam
Jan 21, 2020
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Amended claims with annotations
Search/Exam
Jan 21, 2020
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Amended description with annotations
Search/Exam
Jan 21, 2020
Amendments received before examination
Search/Exam
Jan 21, 2020
Letter accompanying subsequently filed items
Search/Exam
Sep 11, 2019
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Communication to designated inventor
Search/Exam
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Communication to designated inventor
Search/Exam
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Communication to designated inventor
Search/Exam
Jun 17, 2019
May 23, 2019
(Electronic) Receipt
Search/Exam
May 23, 2019
Request for entry into the European phase
Search/Exam
Apr 12, 2019
Information on entry into European phase
Search/Exam
Sep 24, 2018
Sep 24, 2018
Notification of the recording of a change
Search/Exam
Aug 14, 2018
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Copy of the international search report
Search/Exam
Jul 26, 2018
Copy of the international search report
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Jul 26, 2018
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Published international application - A2
Search/Exam
May 28, 2018
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Dec 14, 2017
Nov 30, 2017
(Electronic) Receipt
PCTRO
Nov 30, 2017
Abstract
PCTRO
Nov 30, 2017
Claims
PCTRO
Nov 30, 2017
Description
PCTRO
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PCTRO
Nov 30, 2017