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The patent EP3122480 was granted to Thyssenkrupp on Nov 6, 2024. The application was filed on Mar 23, 2015 under application number EP15711747A. 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 |
|---|---|---|---|
| SMS GROUP | Oct 31, 2018 | KLUPPEL | - |
| VENTILATORENFABRIK OELDE | Oct 30, 2018 | KLEINE | - |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| INTERNATIONAL-SEARCH-REPORT | EP0916416 |
| INTERNATIONAL-SEARCH-REPORT | JPH02290608 |
| INTERNATIONAL-SEARCH-REPORT | US4934444 |
| OPPOSITION | DE102004006629 |
| OPPOSITION | DE19627973 |
| OPPOSITION | DE69314805T |
| OPPOSITION | EP0608498 |
| OPPOSITION | EP0742756 |
| OPPOSITION | EP0916416 |
| OPPOSITION | JPH02290608 |
| OPPOSITION | JPS57165877 |
| OPPOSITION | US2003205157 |
| OPPOSITION | US2005132913 |
| OPPOSITION | US4934444 |
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.
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Description
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Reply to appeal
Appeal
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(Electronic) Receipt
Appeal
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Notice of appeal
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Decision to grant a European patent
Search/Exam
Dec 15, 2017
(Electronic) Receipt
Search/Exam
Dec 15, 2017
English translation of the claims
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French translation of claims
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Dec 15, 2017
Letter accompanying subsequently filed items
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Intention to grant (signatures)
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Sep 22, 2017
Text intended for grant (clean copy)
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Examination started
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Jul 27, 2017
(Electronic) Receipt
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Jul 27, 2017
Letter accompanying subsequently filed items
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Jul 27, 2017
Priority search results
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Annexes in respect of a client data request
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Letter accompanying subsequently filed items
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Reply to Written Opinion prepared by the EPO
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Letter which had not been notified
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Communication to designated inventor
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Communication to designated inventor
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Communication to designated inventor
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Communication to designated inventor
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Communication to designated inventor
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Communication to designated inventor
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Oct 17, 2016
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Notification of the recording of a change
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Aug 30, 2016
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Aug 30, 2016
Priority search results
Search/Exam
Aug 30, 2016
Request for entry into the European phase
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Aug 5, 2016
Information on entry into European phase
Search/Exam
Oct 21, 2015
Oct 1, 2015
Copy of the international search report
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Oct 1, 2015
Copy of the international search report
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Oct 1, 2015
Published international application - A1
Search/Exam
Jun 5, 2015
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Mar 23, 2015
(Electronic) Receipt
PCTRO
Mar 23, 2015
Abstract
PCTRO
Mar 23, 2015
Claims
PCTRO
Mar 23, 2015
Description
PCTRO
Mar 23, 2015
Drawings
PCTRO