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The patent EP3220001 was granted to Hutchinson on Feb 20, 2019. The application was filed on Mar 17, 2017 under application number EP17161601A. The patent is currently recorded with a legal status of "Revoked".

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 |
|---|---|---|---|
| CONTITECH LUFTFEDERSYSTEME | Nov 19, 2019 | MEISSNER BOLTE PARTNERSCHAFT MBB | ADMISSIBLE |
| FLECK | Nov 19, 2019 | MAUCHER JENKINS PATENT UND RECHTSANWALTE | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | EP2196492 |
| OPPOSITION | CN101560311 |
| OPPOSITION | CN103627054 |
| OPPOSITION | CN104650422 |
| OPPOSITION | CN105254961 |
| OPPOSITION | DE102015224744 |
| OPPOSITION | DE102016104496 |
| OPPOSITION | DE112014007111T |
| OPPOSITION | DE3831894 |
| OPPOSITION | EP1561783 |
| OPPOSITION | EP1829922 |
| OPPOSITION | EP2107081 |
| OPPOSITION | EP2189498 |
| OPPOSITION | EP2196492 |
| OPPOSITION | EP2261305 |
| OPPOSITION | EP2392610 |
| OPPOSITION | EP2684913 |
| OPPOSITION | JP2000127297 |
| OPPOSITION | JP2007023102 |
| OPPOSITION | JPH10195250 |
| OPPOSITION | US2010183856 |
| OPPOSITION | US2011209898 |
| OPPOSITION | US2014329035 |
| OPPOSITION | US3391100 |
| OPPOSITION | US4899323 |
| OPPOSITION | US5011163 |
| OPPOSITION | US5271678 |
| OPPOSITION | WO2015058835 |
| SEARCH | DE102013017571 |
| SEARCH | EP2196492 |
| SEARCH | US2008090057 |
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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Appeal
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Appeal
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Appeal
Sep 27, 2021
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Notice of appeal
Appeal
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OPPO
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OPPO
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OPPO
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OPPO
Apr 29, 2021
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OPPO
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OPPO
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OPPO
Apr 29, 2021
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OPPO
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Refund of fees
OPPO
Nov 27, 2019
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OPPO
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Sep 3, 2019
Submission concerning representation
Search/Exam
Mar 4, 2019
Jan 24, 2019
Decision to grant a European patent
Search/Exam
Jan 4, 2019
(Electronic) Receipt
Search/Exam
Jan 4, 2019
English translation of the claims
Search/Exam
Jan 4, 2019
Filing of the translations of the claims
Search/Exam
Jan 4, 2019
German translation of the claims
Search/Exam
Jan 4, 2019
Letter accompanying subsequently filed items
Search/Exam
Oct 22, 2018
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Intention to grant (signatures)
Search/Exam
Oct 22, 2018
Text intended for grant (clean copy)
Search/Exam
Oct 22, 2018
Oct 12, 2018
Sep 17, 2018
Examination started
Search/Exam
Mar 5, 2018
(Electronic) Receipt
Search/Exam
Mar 5, 2018
Letter concerning fees and payments
Search/Exam
Dec 4, 2017
Communication to designated inventor
Search/Exam
Dec 4, 2017
Communication to designated inventor
Search/Exam
Nov 7, 2017
(Electronic) Receipt
Search/Exam
Nov 7, 2017
Letter accompanying subsequently filed items
Search/Exam
Nov 7, 2017
Letter concerning the inventor
Search/Exam
Sep 25, 2017
Aug 23, 2017
Notification of forthcoming publication
Search/Exam
Aug 2, 2017
Refund of fees
Search/Exam
Jul 19, 2017
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European search opinion
Search/Exam
Jul 19, 2017
European search report
Search/Exam
Jul 19, 2017
Information on Search Strategy
Search/Exam
Jul 14, 2017
Priority search results copy provided by EPO
Search/Exam
Jul 11, 2017
Search started
Search/Exam
Jun 12, 2017
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Letter which had not been notified
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Jun 6, 2017
Letter which had not been notified
Search/Exam
May 10, 2017
Communication to designated inventor
Search/Exam
May 10, 2017
Communication to designated inventor
Search/Exam
May 10, 2017
Communication to designated inventor
Search/Exam
May 10, 2017
Communication to designated inventor
Search/Exam
Apr 20, 2017
Letter concerning the priority
Search/Exam
Apr 20, 2017
Priority document
Search/Exam
Mar 17, 2017
Abstract
Search/Exam
Mar 17, 2017
Mar 17, 2017
Claims
Search/Exam
Mar 17, 2017
Description
Search/Exam
Mar 17, 2017
Designation of inventor
Search/Exam
Mar 17, 2017
Drawings
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Mar 17, 2017
Request for grant of a European patent
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