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The patent EP3143902 was granted to Ciar on Apr 26, 2023. The application was filed on Sep 15, 2015 under application number EP15185187A. 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 |
|---|---|---|---|
| CONFER | Oct 8, 2020 | TARVENKORN | - |
| LEGGETT & PLATT | Oct 8, 2020 | BANZER | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| OPPOSITION | BE1009147 |
| OPPOSITION | CN104287492 |
| OPPOSITION | DE20106560U |
| OPPOSITION | DE20204147U |
| OPPOSITION | EP1050248 |
| OPPOSITION | EP1712154 |
| OPPOSITION | US2002105212 |
| OPPOSITION | US2004158921 |
| OPPOSITION | US2011175404 |
| OPPOSITION | US2011282495 |
| OPPOSITION | US2013062914 |
| OPPOSITION | US2015054316 |
| OPPOSITION | US3008762 |
| OPPOSITION | US3030144 |
| OPPOSITION | US3065990 |
| OPPOSITION | US3140893 |
| OPPOSITION | US3429612 |
| OPPOSITION | US5755493 |
| OPPOSITION | US6840575 |
| OPPOSITION | US7673933 |
| OPPOSITION | US7722114 |
| SEARCH | CN104287492 |
| SEARCH | DE20106560U |
| SEARCH | EP1712154 |
| SEARCH | US2013062914 |
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
OPPO
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Decision to grant a European patent
Search/Exam
Nov 27, 2019
(Electronic) Receipt
Search/Exam
Nov 27, 2019
French translation of claims
Search/Exam
Nov 27, 2019
German translation of the claims
Search/Exam
Nov 27, 2019
Letter accompanying subsequently filed items
Search/Exam
Oct 30, 2019
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Intention to grant (signatures)
Search/Exam
Oct 30, 2019
Text intended for grant (clean copy)
Search/Exam
Oct 30, 2019
Sep 17, 2019
(Electronic) Receipt
Search/Exam
Sep 17, 2019
Amended claims with annotations
Search/Exam
Sep 17, 2019
Amended description with annotations
Search/Exam
Sep 17, 2019
Claims
Search/Exam
Sep 17, 2019
Description
Search/Exam
Sep 17, 2019
Letter accompanying subsequently filed items
Search/Exam
Sep 17, 2019
Sep 12, 2019
Annex to the communication
Search/Exam
Sep 12, 2019
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(Electronic) Receipt
Search/Exam
Jul 2, 2019
Amended claims with annotations
Search/Exam
Jul 2, 2019
Amended description with annotations
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Jul 2, 2019
Claims
Search/Exam
Jul 2, 2019
Description
Search/Exam
Jul 2, 2019
Letter accompanying subsequently filed items
Search/Exam
Jul 2, 2019
Jun 5, 2019
Annex to the communication
Search/Exam
Jun 5, 2019
Communication from the Examining Division
Search/Exam
May 29, 2019
Examination started
Search/Exam
Sep 26, 2017
Payment of fees and costs
Search/Exam
Mar 27, 2017
Feb 22, 2017
Notification of forthcoming publication
Search/Exam
Aug 30, 2016
(Electronic) Receipt
Search/Exam
Aug 30, 2016
Aug 30, 2016
Amended claims with annotations
Search/Exam
Aug 30, 2016
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Amended description with annotations
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Aug 30, 2016
Amendments received before examination
Search/Exam
Aug 30, 2016
Letter accompanying subsequently filed items
Search/Exam
Dec 11, 2015
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European search opinion
Search/Exam
Dec 11, 2015
European search report
Search/Exam
Dec 11, 2015
Information on Search Strategy
Search/Exam
Nov 6, 2015
Communication to designated inventor
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Oct 16, 2015
Search started
Search/Exam
Sep 15, 2015
Abstract
Search/Exam
Sep 15, 2015
Sep 15, 2015
Claims
Search/Exam
Sep 15, 2015
Description
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Sep 15, 2015
Designation of inventor
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Sep 15, 2015
Drawings
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Sep 15, 2015
Request for grant of a European patent
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