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The patent EP2940110 was granted to Infineum on Oct 30, 2019. The application was filed on Apr 29, 2015 under application number EP15165738A. 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 |
|---|---|---|---|
| THE LUBRIZOL | Sep 12, 2019 | D YOUNG | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | CA1335895 |
| DESCRIPTION | EP0208560 |
| DESCRIPTION | EP0382450 |
| DESCRIPTION | GB1440219 |
| DESCRIPTION | GB989409 |
| DESCRIPTION | US2005277559 |
| DESCRIPTION | US3087936 |
| DESCRIPTION | US3113986 |
| DESCRIPTION | US3172892 |
| DESCRIPTION | US3215707 |
| DESCRIPTION | US3231587 |
| DESCRIPTION | US3254025 |
| DESCRIPTION | US3272746 |
| DESCRIPTION | US3275554 |
| DESCRIPTION | US3381022 |
| DESCRIPTION | US3442808 |
| DESCRIPTION | US3565804 |
| DESCRIPTION | US3634595 |
| DESCRIPTION | US3670054 |
| DESCRIPTION | US3700633 |
| DESCRIPTION | US3912764 |
| DESCRIPTION | US4102798 |
| DESCRIPTION | US4110349 |
| DESCRIPTION | US4113639 |
| DESCRIPTION | US4116876 |
| DESCRIPTION | US4152499 |
| DESCRIPTION | US4234435 |
| DESCRIPTION | US4857217 |
| DESCRIPTION | US4867890 |
| DESCRIPTION | US4927551 |
| DESCRIPTION | US4938881 |
| DESCRIPTION | US4952739 |
| DESCRIPTION | US4956107 |
| DESCRIPTION | US4963275 |
| DESCRIPTION | US5053152 |
| DESCRIPTION | US5229022 |
| DESCRIPTION | US5230714 |
| DESCRIPTION | US5241003 |
| DESCRIPTION | US5430105 |
| DESCRIPTION | US5498809 |
| DESCRIPTION | US5565128 |
| DESCRIPTION | US5663130 |
| DESCRIPTION | US5705577 |
| DESCRIPTION | US5756431 |
| DESCRIPTION | US5777025 |
| DESCRIPTION | US5792730 |
| DESCRIPTION | US5814715 |
| DESCRIPTION | US5854186 |
| DESCRIPTION | US5891953 |
| DESCRIPTION | US6022929 |
| DESCRIPTION | US6030930 |
| DESCRIPTION | US6153565 |
| DESCRIPTION | US6281179 |
| DESCRIPTION | US6429178 |
| DESCRIPTION | USRE27145E |
| EXAMINATION | EP3047000 |
| EXAMINATION | EP3101095 |
| OPPOSITION | EP3101095 |
| OPPOSITION | JP2014152301 |
| OPPOSITION | WO2015042340 |
| OPPOSITION | WO2015114920 |
| OPPOSITION | WO2015171980 |
| SEARCH | EP1788068 |
| SEARCH | US2012186225 |
| SEARCH | US4941984 |
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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OPPO
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Jan 2, 2019
Nov 15, 2018
Decision to grant a European patent
Search/Exam
Oct 31, 2018
(Electronic) Receipt
Search/Exam
Oct 31, 2018
Filing of the translations of the claims
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Oct 31, 2018
French translation of claims
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Oct 31, 2018
German translation of the claims
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Oct 31, 2018
Letter accompanying subsequently filed items
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Intention to grant (signatures)
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Text intended for grant (clean copy)
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(Electronic) Receipt
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Oct 10, 2018
Amended claims with annotations
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Oct 10, 2018
Amended description with annotations
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Oct 10, 2018
Claims
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Oct 10, 2018
Description
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Oct 10, 2018
Letter accompanying subsequently filed items
Search/Exam
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Intention to grant (signatures)
Search/Exam
Jun 12, 2018
Text intended for grant (clean copy)
Search/Exam
Jun 12, 2018
May 3, 2018
(Electronic) Receipt
Search/Exam
May 3, 2018
Claims
Search/Exam
May 3, 2018
Description
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May 3, 2018
Letter accompanying subsequently filed items
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May 3, 2018
Mar 7, 2018
Annex to the communication
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Mar 7, 2018
Communication from the Examining Division
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Feb 19, 2018
(Electronic) Receipt
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Feb 19, 2018
Claims
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Feb 19, 2018
Description
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Feb 19, 2018
Letter accompanying subsequently filed items
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Dec 15, 2017
(Electronic) Receipt
Search/Exam
Dec 15, 2017
Letter accompanying subsequently filed items
Search/Exam
Dec 15, 2017
Sep 6, 2017
Annex to the communication
Search/Exam
Sep 6, 2017
Communication from the Examining Division
Search/Exam
Apr 25, 2016
(Electronic) Receipt
Search/Exam
Apr 25, 2016
Amended claims with annotations
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Apr 25, 2016
Amended description with annotations
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Amended drawings with annotations
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Apr 25, 2016
Claims
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Apr 25, 2016
Description
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Apr 25, 2016
Drawings
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Apr 25, 2016
Letter accompanying subsequently filed items
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Apr 25, 2016
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Feb 1, 2016
(Electronic) Receipt
Search/Exam
Feb 1, 2016
Letter accompanying subsequently filed items
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Feb 1, 2016
Nov 9, 2015
Oct 14, 2015
Annex to the communication
Search/Exam
Oct 14, 2015
Communication from the Examining Division
Search/Exam
Oct 7, 2015
Notification of forthcoming publication
Search/Exam
Sep 17, 2015
Sep 17, 2015
European search report
Search/Exam
Sep 1, 2015
Search started
Search/Exam
Jul 9, 2015
Jun 30, 2015
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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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Apr 29, 2015
Abstract
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Apr 29, 2015
Apr 29, 2015
Claims
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Apr 29, 2015
Description
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Apr 29, 2015
Designation of inventor
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Apr 29, 2015
Drawings
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Apr 29, 2015
Request for grant of a European patent
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