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The patent EP3463670 was granted to Takraf on Jul 7, 2021. The application was filed on May 23, 2017 under application number EP17725942A. 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 |
|---|---|---|---|
| THYSSENKRUPP INDUSTRIAL SOLUTIONS | Feb 7, 2022 | MICHALSKI HUTTERMANN & PARTNER PATENTANWALTE MBB | WITHDRAWN |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| INTERNATIONAL-SEARCH-REPORT | DE3635885 |
| INTERNATIONAL-SEARCH-REPORT | US2012111982 |
| OPPOSITION | DE3635885 |
| OPPOSITION | DE4034822 |
| OPPOSITION | DE533078 |
| OPPOSITION | US2012111982 |
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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Decision to grant a European patent
Search/Exam
May 28, 2021
(Electronic) Receipt
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May 28, 2021
English translation of the claims
Search/Exam
May 28, 2021
Filing of the translations of the claims
Search/Exam
May 28, 2021
French translation of claims
Search/Exam
Mar 9, 2021
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Text intended for grant (clean copy)
Search/Exam
Mar 9, 2021
Mar 8, 2021
Intention to grant (signatures)
Search/Exam
Feb 12, 2021
Examination started
Search/Exam
Aug 20, 2020
Aug 6, 2020
(Electronic) Receipt
Search/Exam
Aug 6, 2020
Enquiry as to the processing of the file
Search/Exam
Aug 6, 2020
Letter accompanying subsequently filed items
Search/Exam
Aug 6, 2019
Communication to designated inventor
Search/Exam
Aug 5, 2019
Change to the inventor details
Search/Exam
Jul 31, 2019
(Electronic) Receipt
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Jul 31, 2019
Letter accompanying subsequently filed items
Search/Exam
Jul 31, 2019
Letter concerning the inventor
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Jul 5, 2019
Jun 17, 2019
(Electronic) Receipt
Search/Exam
Jun 17, 2019
Letter accompanying subsequently filed items
Search/Exam
Jun 17, 2019
Reply to Written Opinion prepared by the EPO
Search/Exam
Mar 13, 2019
Feb 13, 2019
Feb 7, 2019
Letter which had not been notified
Search/Exam
Jan 18, 2019
Jan 16, 2019
Communication to designated inventor
Search/Exam
Jan 16, 2019
Communication to designated inventor
Search/Exam
Jan 16, 2019
Communication to designated inventor
Search/Exam
Dec 21, 2018
(Electronic) Receipt
Search/Exam
Dec 21, 2018
Annex
Search/Exam
Dec 21, 2018
Priority search results
Search/Exam
Dec 21, 2018
Request for entry into the European phase
Search/Exam
Dec 11, 2018
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Nov 29, 2018
Notification of the recording of a change
Search/Exam
Oct 8, 2018
Information on entry into European phase
Search/Exam
Dec 21, 2017
Nov 30, 2017
Copy of the international search report
Search/Exam
Nov 30, 2017
Copy of the international search report
Search/Exam
Nov 30, 2017
Published international application - A1
Search/Exam
Aug 16, 2017
ISR: cited documents
PCTISA
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(Electronic) Receipt
PCTRO
May 23, 2017
Abstract
PCTRO
May 23, 2017
Claims
PCTRO
May 23, 2017
Description
PCTRO
May 23, 2017
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Drawings
PCTRO
May 23, 2017