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The patent EP2621910 was granted to Shell Internationale Research Maatschappij on Oct 25, 2017. The application was filed on Sep 27, 2011 under application number EP11776271A. 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 |
|---|---|---|---|
| SCIENTIFIC DESIGN | Jul 25, 2018 | HGF | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | EP1458698 |
| DESCRIPTION | EP2155708 |
| DESCRIPTION | US2007129557 |
| DESCRIPTION | US2009069583 |
| DESCRIPTION | US2009234144 |
| DESCRIPTION | US2009281339 |
| DESCRIPTION | US4761394 |
| DESCRIPTION | US4766105 |
| DESCRIPTION | US4845296 |
| DESCRIPTION | US4874879 |
| DESCRIPTION | US5155242 |
| DESCRIPTION | US5801259 |
| DESCRIPTION | US6080897 |
| DESCRIPTION | US6717001 |
| DESCRIPTION | US7102022 |
| DESCRIPTION | US7193094 |
| DESCRIPTION | US7237677 |
| DESCRIPTION | US7348444 |
| DESCRIPTION | US7485597 |
| DESCRIPTION | US7657331 |
| DESCRIPTION | WO2004007873 |
| DESCRIPTION | WO2004007874 |
| INTERNATIONAL-SEARCH-REPORT | EP2155708 |
| INTERNATIONAL-SEARCH-REPORT | GB1122731 |
| INTERNATIONAL-SEARCH-REPORT | US2009069583 |
| INTERNATIONAL-SEARCH-REPORT | US2009234144 |
| INTERNATIONAL-SEARCH-REPORT | WO2006028544 |
| INTERNATIONAL-SEARCH-REPORT | WO2006102189 |
| INTERNATIONAL-SEARCH-REPORT | WO2008141030 |
| OPPOSITION | JP2009120495 |
| OPPOSITION | US2007129557 |
| OPPOSITION | US2009234144 |
| OPPOSITION | US6455713 |
| OPPOSITION | WO2004078737 |
| OTHER | JP2009120495 |
| OTHER | US2007129557 |
| OTHER | US2009234144 |
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
Jan 18, 2023
Advice of delivery
Appeal
Jan 18, 2023
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Jan 10, 2023
(Electronic) Receipt
Appeal
Jan 10, 2023
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Claims
Appeal
Jan 10, 2023
Claims
Appeal
Jan 10, 2023
Description
Appeal
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Description
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Jan 10, 2023
Description
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Jan 10, 2023
Description
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Description
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Description
Appeal
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Dec 7, 2022
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Nov 28, 2022
(Electronic) Receipt
Appeal
Nov 28, 2022
Advice of delivery
Appeal
Nov 28, 2022
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(Electronic) Receipt
Appeal
Nov 23, 2022
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Nov 16, 2022
Nov 10, 2021
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Aug 14, 2020
Aug 11, 2020
(Electronic) Receipt
Appeal
Aug 11, 2020
Aug 11, 2020
Aug 11, 2020
Aug 11, 2020
Reply to appeal
Appeal
Aug 7, 2020
Aug 4, 2020
(Electronic) Receipt
Appeal
Aug 4, 2020
Aug 4, 2020
Reply to appeal
Appeal
Jun 5, 2020
Apr 3, 2020
Apr 3, 2020
Mar 27, 2020
(Electronic) Receipt
Appeal
Mar 27, 2020
Mar 27, 2020
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Mar 25, 2020
(Electronic) Receipt
Appeal
Mar 25, 2020
Mar 25, 2020
Claims
Appeal
Mar 25, 2020
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Mar 25, 2020
Feb 7, 2020
Feb 7, 2020
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Feb 3, 2020
(Electronic) Receipt
Appeal
Feb 3, 2020
Feb 3, 2020
Notice of appeal
Appeal
Jan 31, 2020
(Electronic) Receipt
Appeal
Jan 31, 2020
Jan 31, 2020
Notice of appeal
Appeal
Nov 27, 2019
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OPPO
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Claims
OPPO
Jan 9, 2019
Claims
OPPO
Jan 9, 2019
Claims
OPPO
Jan 9, 2019
Claims
OPPO
Jan 9, 2019
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Aug 31, 2018
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Feb 20, 2018
Feb 9, 2018
Feb 5, 2018
Nov 2, 2017
Sep 28, 2017
Decision to grant a European patent
Search/Exam
Sep 6, 2017
(Electronic) Receipt
Search/Exam
Sep 6, 2017
Filing of the translations of the claims
Search/Exam
Sep 6, 2017
French translation of claims
Search/Exam
Sep 6, 2017
German translation of the claims
Search/Exam
Jun 19, 2017
Jun 19, 2017
Jun 19, 2017
Intention to grant (signatures)
Search/Exam
Jun 19, 2017
Text intended for grant (clean copy)
Search/Exam
Jun 19, 2017
May 12, 2017
May 4, 2017
Observations by third parties
Search/Exam
Nov 29, 2016
Decision to allow further processing
Search/Exam
Nov 18, 2016
(Electronic) Receipt
Search/Exam
Nov 18, 2016
Amended claims with annotations
Search/Exam
Nov 18, 2016
Claims
Search/Exam
Nov 18, 2016
Letter accompanying subsequently filed items
Search/Exam
Nov 18, 2016
Request for further processing
Search/Exam
Oct 24, 2016
Jul 25, 2016
Jul 18, 2016
Jul 18, 2016
Non-patent literature filed by a third party
Search/Exam
Jul 18, 2016
Observations by third parties
Search/Exam
Jul 18, 2016
Patent document filed by a Third party
Search/Exam
Jul 18, 2016
Patent document filed by a Third party
Search/Exam
Jul 18, 2016
Patent document filed by a Third party
Search/Exam
Jul 13, 2016
(Electronic) Receipt
Search/Exam
Jul 13, 2016
Letter accompanying subsequently filed items
Search/Exam
Jul 13, 2016
Mar 15, 2016
Annex to the communication
Search/Exam
Mar 15, 2016
Communication from the Examining Division
Search/Exam
Feb 12, 2016
(Electronic) Receipt
Search/Exam
Feb 12, 2016
Amended claims with annotations
Search/Exam
Feb 12, 2016
Claims
Search/Exam
Feb 12, 2016
Letter accompanying subsequently filed items
Search/Exam
Feb 12, 2016
Oct 6, 2015
Annex to the communication
Search/Exam
Oct 6, 2015
Communication from the Examining Division
Search/Exam
May 16, 2014
(Electronic) Receipt
Search/Exam
May 16, 2014
Amended claims with annotations
Search/Exam
May 16, 2014
Claims
Search/Exam
May 16, 2014
Letter accompanying subsequently filed items
Search/Exam
May 16, 2014
Jan 30, 2014
Annex to the communication
Search/Exam
Jan 30, 2014
Communication from the Examining Division
Search/Exam
Jan 23, 2014
Examination started
Search/Exam
Nov 29, 2013
Nov 29, 2013
Amended claims with annotations
Search/Exam
Nov 29, 2013
Amendments received before examination
Search/Exam
Jul 10, 2013
May 28, 2013
May 6, 2013
Communication to designated inventor
Search/Exam
May 6, 2013
Communication to designated inventor
Search/Exam
May 6, 2013
Communication to designated inventor
Search/Exam
May 6, 2013
Communication to designated inventor
Search/Exam
Apr 15, 2013
Mar 28, 2013
(Electronic) Receipt
Search/Exam
Mar 28, 2013
Request for entry into the European phase
Search/Exam
Feb 22, 2013
Information on entry into European phase
Search/Exam
May 9, 2012
Apr 19, 2012
Copy of the international search report
Search/Exam
Apr 19, 2012
Published international application - A1
Search/Exam
Jan 9, 2012
Jan 9, 2012
Jan 9, 2012