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The patent EP1720914 was granted to Totalenergies Onetech Belgium on Nov 8, 2017. The application was filed on Feb 14, 2005 under application number EP05716678A. 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 |
|---|---|---|---|
| CHEVRON PHILLIPS CHEMICAL LP | Jul 26, 2018 | ABEL & IMRAY | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
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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Aug 16, 2023
(Electronic) Receipt
Appeal
Aug 16, 2023
Aug 16, 2023
Aug 9, 2023
Aug 9, 2023
Aug 9, 2023
Aug 9, 2023
Jun 12, 2023
Jun 12, 2023
Jun 12, 2023
Apr 13, 2023
Apr 5, 2023
(Electronic) Receipt
Appeal
Apr 5, 2023
Apr 5, 2023
Apr 3, 2023
Apr 3, 2023
Mar 31, 2023
(Electronic) Receipt
Appeal
Mar 31, 2023
Mar 15, 2023
(Electronic) Receipt
Appeal
Mar 15, 2023
Mar 15, 2023
Mar 14, 2023
Mar 14, 2023
Mar 13, 2023
Mar 6, 2023
(Electronic) Receipt
Appeal
Mar 6, 2023
Mar 6, 2023
Mar 3, 2023
Feb 28, 2023
(Electronic) Receipt
Appeal
Feb 28, 2023
Feb 28, 2023
Feb 22, 2023
Feb 22, 2023
Oct 21, 2022
Oct 21, 2022
Oct 20, 2022
Oct 10, 2022
(Electronic) Receipt
Appeal
Oct 10, 2022
Oct 10, 2022
General authorisation
Appeal
Oct 10, 2022
Oct 10, 2022
Oct 7, 2022
Oct 3, 2022
(Electronic) Receipt
Appeal
Oct 3, 2022
Oct 3, 2022
Oct 3, 2022
Oct 3, 2022
Oct 3, 2022
Jun 8, 2022
Jun 8, 2022
Jun 2, 2022
Jun 2, 2022
Nov 29, 2021
Nov 23, 2021
(Electronic) Receipt
Appeal
Nov 23, 2021
Nov 23, 2021
Dec 4, 2020
Nov 27, 2020
Nov 23, 2020
(Electronic) Receipt
Appeal
Nov 23, 2020
Nov 23, 2020
Nov 23, 2020
Reply to appeal
Appeal
Jul 22, 2020
Jul 17, 2020
(Electronic) Receipt
Appeal
Jul 17, 2020
Jul 17, 2020
Jun 3, 2020
Jun 3, 2020
May 15, 2020
(Electronic) Receipt
Appeal
May 15, 2020
May 15, 2020
May 15, 2020
Notice of appeal
Appeal
Apr 23, 2020
Apr 17, 2020
Apr 17, 2020
Apr 17, 2020
Mar 24, 2020
Mar 24, 2020
Mar 24, 2020
Mar 16, 2020
Mar 16, 2020
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Means of redress
OPPO
Mar 16, 2020
Mar 16, 2020
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Mar 16, 2020
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Nov 26, 2019
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Claims
OPPO
Nov 18, 2019
Claims
OPPO
Nov 18, 2019
Claims
OPPO
Nov 18, 2019
Claims
OPPO
Nov 18, 2019
Claims
OPPO
Nov 18, 2019
Claims
OPPO
Nov 18, 2019
Claims
OPPO
Nov 18, 2019
Claims
OPPO
Nov 18, 2019
Claims
OPPO
Nov 18, 2019
Nov 18, 2019
Jul 4, 2019
Jul 3, 2019
Jun 28, 2019
Jun 26, 2019
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Aug 23, 2018
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Aug 1, 2018
Jul 26, 2018
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Jul 26, 2018
Nov 15, 2017
Oct 12, 2017
Decision to grant a European patent
Search/Exam
Sep 27, 2017
(Electronic) Receipt
Search/Exam
Sep 27, 2017
Filing of the translations of the claims
Search/Exam
Sep 27, 2017
French translation of claims
Search/Exam
Sep 27, 2017
German translation of the claims
Search/Exam
Sep 27, 2017
Letter accompanying subsequently filed items
Search/Exam
May 23, 2017
May 23, 2017
May 23, 2017
Intention to grant (signatures)
Search/Exam
May 23, 2017
Text intended for grant (clean copy)
Search/Exam
May 23, 2017
Mar 3, 2017
(Electronic) Receipt
Search/Exam
Mar 3, 2017
Amended claims with annotations
Search/Exam
Mar 3, 2017
Claims
Search/Exam
Mar 3, 2017
Letter accompanying subsequently filed items
Search/Exam
Mar 3, 2017
Nov 8, 2016
Annex to the communication
Search/Exam
Nov 8, 2016
Communication from the Examining Division
Search/Exam
Aug 25, 2016
Decision to allow further processing
Search/Exam
Aug 12, 2016
(Electronic) Receipt
Search/Exam
Aug 12, 2016
Amended claims with annotations
Search/Exam
Aug 12, 2016
Claims
Search/Exam
Aug 12, 2016
Letter accompanying subsequently filed items
Search/Exam
Aug 12, 2016
Request for further processing
Search/Exam
Jul 25, 2016
Jul 1, 2016
Jun 27, 2016
(Electronic) Receipt
Search/Exam
Jun 27, 2016
Letter accompanying subsequently filed items
Search/Exam
Jun 27, 2016
Apr 1, 2016
Mar 25, 2016
(Electronic) Receipt
Search/Exam
Mar 25, 2016
Letter accompanying subsequently filed items
Search/Exam
Mar 25, 2016
Dec 22, 2015
Dec 22, 2015
Dec 21, 2015
Dec 16, 2015
Annex to the communication
Search/Exam
Dec 16, 2015
Communication from the Examining Division
Search/Exam
Dec 15, 2015
Dec 15, 2015
Jan 23, 2015
Jan 23, 2015
Jan 19, 2015
Observations by third parties
Search/Exam
Dec 19, 2014
(Electronic) Receipt
Search/Exam
Dec 19, 2014
Amended claims with annotations
Search/Exam
Dec 19, 2014
Claims
Search/Exam
Dec 19, 2014
Letter accompanying subsequently filed items
Search/Exam
Dec 19, 2014
Oct 29, 2014
Oct 24, 2014
(Electronic) Receipt
Search/Exam
Oct 24, 2014
Letter accompanying subsequently filed items
Search/Exam
Oct 24, 2014
Jun 27, 2014
Annex to the communication
Search/Exam
Jun 27, 2014
Communication from the Examining Division
Search/Exam
Mar 20, 2013
Mar 4, 2013
Jul 27, 2012
Jul 23, 2012
Oct 28, 2011
Oct 19, 2011
Cover sheet for fax transmission
Search/Exam
Oct 19, 2011
Aug 30, 2011
Aug 30, 2011
Aug 29, 2011
Aug 26, 2011
Observations by third parties
Search/Exam
Aug 24, 2011
Observations by third parties
Search/Exam
Aug 17, 2011
Jul 5, 2011
Jun 28, 2011
Jun 20, 2011
Feb 14, 2011
Annex to the communication
Search/Exam
Feb 14, 2011
Communication from the Examining Division
Search/Exam
Dec 4, 2006
Oct 18, 2006
Sep 5, 2006
Aug 11, 2006
Aug 11, 2006
Request for entry into the European phase
Search/Exam
Jun 30, 2006
Information on entry into European phase
Search/Exam
Feb 2, 2006
Copy of the international search report
Search/Exam
Feb 2, 2006
Sep 13, 2005
Aug 25, 2005
Published international application - A2
Search/Exam
Mar 10, 2005
Abstract
PCTISA
Mar 10, 2005
Claims
PCTISA
Mar 10, 2005
Description
PCTISA
Mar 10, 2005
Drawings
PCTISA
Mar 10, 2005
Feb 14, 2005
Abstract
PCTRO
Feb 14, 2005
Annex
PCTRO
Feb 14, 2005
Annex
PCTRO
Feb 14, 2005
Annex
PCTRO
Feb 14, 2005
Claims
PCTRO
Feb 14, 2005
Description
PCTRO
Feb 14, 2005
Drawings
PCTRO