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The patent EP2970631 was granted to Lubrizol Advanced Materials on May 3, 2017. The application was filed on Mar 12, 2014 under application number EP14726226A. 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 |
|---|---|---|---|
| BAERLOCHER | Feb 5, 2018 | MATHYS & SQUIRE | ADMISSIBLE |
| AKDENIZ CHEMSON ADDITIVES | Feb 2, 2018 | VIERING | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | WO2007US19184 |
| DESCRIPTION | US2007259381 |
| DESCRIPTION | US2007259385 |
| DESCRIPTION | US2007259448 |
| DESCRIPTION | US2010075862 |
| DESCRIPTION | US2010261292 |
| DESCRIPTION | US2011212537 |
| DESCRIPTION | US2012196774 |
| DESCRIPTION | US2012289428 |
| DESCRIPTION | US5093268 |
| DESCRIPTION | US5147806 |
| DESCRIPTION | US5238808 |
| DESCRIPTION | US5240863 |
| DESCRIPTION | US5308754 |
| DESCRIPTION | US5324457 |
| DESCRIPTION | US5589136 |
| DESCRIPTION | US5591581 |
| DESCRIPTION | US5597910 |
| DESCRIPTION | US5641623 |
| DESCRIPTION | US5643713 |
| DESCRIPTION | US5679519 |
| DESCRIPTION | US5705402 |
| DESCRIPTION | US5731147 |
| DESCRIPTION | US5776672 |
| DESCRIPTION | US5786141 |
| DESCRIPTION | US5846485 |
| DESCRIPTION | US5866434 |
| DESCRIPTION | US6054274 |
| DESCRIPTION | US6066448 |
| DESCRIPTION | US6136268 |
| DESCRIPTION | US6207369 |
| DESCRIPTION | US6214552 |
| DESCRIPTION | US6291187 |
| DESCRIPTION | US6323009 |
| DESCRIPTION | US6344329 |
| DESCRIPTION | US6368801 |
| DESCRIPTION | US6878515 |
| DESCRIPTION | US6939720 |
| DESCRIPTION | US6977722 |
| DESCRIPTION | US7192703 |
| DESCRIPTION | US7306904 |
| DESCRIPTION | US7320860 |
| DESCRIPTION | US7351528 |
| DESCRIPTION | US7842246 |
| DESCRIPTION | US8222047 |
| DESCRIPTION | US8236574 |
| DESCRIPTION | US8338776 |
| DESCRIPTION | WO0003233 |
| DESCRIPTION | WO9736931 |
| DESCRIPTION | WO9812539 |
| DESCRIPTION | WO9857154 |
| DESCRIPTION | WO9914599 |
| DESCRIPTION | WO9932662 |
| DESCRIPTION | WO9958962 |
| DESCRIPTION | WO9963347 |
| INTERNATIONAL-SEARCH-REPORT | EP2083044 |
| INTERNATIONAL-SEARCH-REPORT | EP2392612 |
| INTERNATIONAL-SEARCH-REPORT | WO2008023249 |
| OPPOSITION | DE10132836 |
| OPPOSITION | DE102004037369 |
| OPPOSITION | EP0768336 |
| OPPOSITION | EP1044968 |
| OPPOSITION | EP1046668 |
| OPPOSITION | EP1426406 |
| OPPOSITION | EP2083044 |
| OPPOSITION | EP2392612 |
| OPPOSITION | US2004242908 |
| OPPOSITION | US3436362 |
| OPPOSITION | US6096820 |
| OPPOSITION | US7741390 |
| OPPOSITION | WO0248249 |
| OPPOSITION | WO2004050754 |
| OPPOSITION | WO2008023249 |
| OPPOSITION | WO2012143794 |
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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(Electronic) Receipt
Appeal
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(Electronic) Receipt
Appeal
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(Electronic) Receipt
Appeal
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Advice of delivery
Appeal
Jan 31, 2023
Refund of fees
Appeal
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(Electronic) Receipt
Appeal
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Appeal
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(Electronic) Receipt
Appeal
Jan 18, 2023
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Withdrawal of an appeal
Appeal
Jan 13, 2023
Jan 13, 2023
Jan 10, 2023
(Electronic) Receipt
Appeal
Jan 10, 2023
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Dec 23, 2022
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Jun 10, 2022
Advice of delivery
Appeal
Jun 9, 2022
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Advice of delivery
Appeal
Jun 6, 2022
Advice of delivery
Appeal
Jun 3, 2022
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May 27, 2022
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(Electronic) Receipt
Appeal
May 24, 2022
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(Electronic) Receipt
Appeal
May 20, 2022
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May 6, 2022
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May 3, 2022
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Apr 28, 2022
(Electronic) Receipt
Appeal
Apr 28, 2022
Apr 28, 2022
Dec 7, 2021
Advice of delivery
Appeal
Dec 3, 2021
Dec 3, 2021
Dec 3, 2021
Nov 30, 2021
Nov 30, 2021
Dec 7, 2020
Dec 7, 2020
Nov 20, 2020
Nov 17, 2020
Nov 16, 2020
Nov 3, 2020
Oct 28, 2020
Oct 28, 2020
Oct 22, 2020
(Electronic) Receipt
Appeal
Oct 22, 2020
Oct 22, 2020
Jun 26, 2020
Jun 26, 2020
Jun 22, 2020
(Electronic) Receipt
Appeal
Jun 22, 2020
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Jan 7, 2020
Jan 7, 2020
Dec 19, 2019
(Electronic) Receipt
Appeal
Dec 19, 2019
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Reply to appeal
Appeal
Nov 12, 2019
Sep 17, 2019
Aug 28, 2019
Aug 23, 2019
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Aug 16, 2019
(Electronic) Receipt
Appeal
Aug 16, 2019
Aug 16, 2019
Aug 16, 2019
Aug 16, 2019
Aug 16, 2019
Aug 16, 2019
Aug 16, 2019
Aug 7, 2019
(Electronic) Receipt
Appeal
Aug 7, 2019
Aug 7, 2019
Jul 17, 2019
Jul 17, 2019
Jul 17, 2019
Jul 3, 2019
Jul 1, 2019
Jul 1, 2019
Jun 19, 2019
Jun 19, 2019
Jun 19, 2019
Jun 14, 2019
(Electronic) Receipt
Appeal
Jun 14, 2019
Jun 14, 2019
Notice of appeal
Appeal
Jun 12, 2019
Jun 12, 2019
Jun 12, 2019
Jun 3, 2019
(Electronic) Receipt
Appeal
Jun 3, 2019
Jun 3, 2019
Notice of appeal
Appeal
Jun 3, 2019
Processing of an appeal
Appeal
May 17, 2019
May 10, 2019
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Apr 5, 2019
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Means of redress
OPPO
Apr 5, 2019
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Claims
OPPO
Jun 21, 2018
Claims
OPPO
Jun 21, 2018
Claims
OPPO
Jun 21, 2018
Claims
OPPO
Jun 21, 2018
Claims
OPPO
Jun 21, 2018
Claims
OPPO
Jun 21, 2018
Claims
OPPO
Jun 21, 2018
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May 4, 2017
Apr 6, 2017
Decision to grant a European patent
Search/Exam
Jan 18, 2017
(Electronic) Receipt
Search/Exam
Jan 18, 2017
Filing of the translations of the claims
Search/Exam
Jan 18, 2017
French translation of claims
Search/Exam
Jan 18, 2017
German translation of the claims
Search/Exam
Jan 18, 2017
Letter accompanying subsequently filed items
Search/Exam
Oct 12, 2016
Oct 12, 2016
Oct 12, 2016
Intention to grant (signatures)
Search/Exam
Oct 12, 2016
Text intended for grant (clean copy)
Search/Exam
Oct 12, 2016
Sep 22, 2016
Examination started
Search/Exam
Mar 23, 2016
(Electronic) Receipt
Search/Exam
Mar 23, 2016
Mar 23, 2016
Amended claims with annotations
Search/Exam
Mar 23, 2016
Mar 23, 2016
Amended description with annotations
Search/Exam
Mar 23, 2016
Amendments received before examination
Search/Exam
Mar 23, 2016
Letter accompanying subsequently filed items
Search/Exam
Dec 23, 2015
Oct 27, 2015
Oct 23, 2015
Communication to designated inventor
Search/Exam
Oct 5, 2015
(Electronic) Receipt
Search/Exam
Oct 5, 2015
Oct 5, 2015
Request for entry into the European phase
Search/Exam
Sep 22, 2015
Sep 22, 2015
Jul 22, 2015
Information on entry into European phase
Search/Exam
Jun 5, 2015
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Feb 16, 2015
Notification of election of EPO
Search/Exam
Feb 9, 2015
Written opinion
PCT2
Feb 9, 2015
Written opinion
PCT2
Feb 9, 2015
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Feb 2, 2015
Jan 27, 2015
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PCT demand form
PCT2
Jan 14, 2015
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Jan 14, 2015
Nov 19, 2014
Notification of the recording of a change
Search/Exam
Oct 7, 2014
Sep 18, 2014
Copy of the international search report
Search/Exam
Sep 18, 2014
Published international application - A1
Search/Exam
Jun 25, 2014
Jun 25, 2014
Jun 25, 2014