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The patent EP3672919 was granted to Thyssenkrupp on Jul 7, 2021. The application was filed on Aug 15, 2018 under application number EP18755799A. The patent is currently recorded with a legal status of "Opposition Rejected".

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 |
|---|---|---|---|
| KHD HUMBOLDT WEDAG | Mar 18, 2022 | CASTELL | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | DE3829853 |
| INTERNATIONAL-SEARCH-REPORT | DE102009059110 |
| INTERNATIONAL-SEARCH-REPORT | EP1316536 |
| OPPOSITION | DE102009059110 |
| OPPOSITION | DE3829853 |
| OPPOSITION | EP1316536 |
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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Description
OPPO
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OPPO
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OPPO
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OPPO
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OPPO
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OPPO
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Authorisation
OPPO
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Decision to grant a European patent
Search/Exam
May 26, 2021
(Electronic) Receipt
Search/Exam
May 26, 2021
English translation of the claims
Search/Exam
May 26, 2021
Filing of the translations of the claims
Search/Exam
May 26, 2021
French translation of claims
Search/Exam
Apr 15, 2021
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Intention to grant (signatures)
Search/Exam
Apr 15, 2021
Text intended for grant (clean copy)
Search/Exam
Apr 15, 2021
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(Electronic) Receipt
Search/Exam
Jan 28, 2021
Letter accompanying subsequently filed items
Search/Exam
Jan 28, 2021
Dec 23, 2020
Annex to the communication
Search/Exam
Dec 23, 2020
Communication from the Examining Division
Search/Exam
Dec 17, 2020
Examination started
Search/Exam
Jun 4, 2020
Apr 17, 2020
(Electronic) Receipt
Search/Exam
Apr 17, 2020
Letter accompanying subsequently filed items
Search/Exam
Apr 17, 2020
Written request for examination
Search/Exam
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Communication to designated inventor
Search/Exam
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Communication to designated inventor
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Communication to designated inventor
Search/Exam
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Citation filed by a third party
Search/Exam
Feb 22, 2020
Observations by third parties
Search/Exam
Feb 19, 2020
(Electronic) Receipt
Search/Exam
Feb 19, 2020
Letter accompanying subsequently filed items
Search/Exam
Feb 19, 2020
Matter concerning the application
Search/Exam
Jan 23, 2020
(Electronic) Receipt
Search/Exam
Jan 23, 2020
Request for entry into the European phase
Search/Exam
Jan 23, 2020
Jan 8, 2020
Information on entry into European phase
Search/Exam
Mar 20, 2019
Feb 28, 2019
Copy of the international search report
Search/Exam
Feb 28, 2019
Copy of the international search report
Search/Exam
Feb 28, 2019
Published international application - A1
Search/Exam
Jan 3, 2019
ISR: cited documents
PCTISA
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(Electronic) Receipt
PCTRO
Aug 15, 2018
Abstract
PCTRO
Aug 15, 2018
Claims
PCTRO
Aug 15, 2018
Description
PCTRO
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Drawings
PCTRO
Aug 15, 2018