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The patent EP2742803 was granted to Arch Chemicals on May 1, 2019. The application was filed on May 25, 2007 under application number EP14150293A. 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 |
|---|---|---|---|
| PPG INDUSTRIES | Jan 31, 2020 | F & E PATENT | 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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Mar 25, 2024
Refund of fees
Appeal
Mar 21, 2024
Mar 21, 2024
Mar 20, 2024
Mar 20, 2024
Mar 18, 2024
Mar 15, 2024
Mar 12, 2024
(Electronic) Receipt
Appeal
Mar 12, 2024
Mar 12, 2024
Withdrawal of an appeal
Appeal
Feb 23, 2024
Feb 23, 2024
Feb 21, 2024
Feb 7, 2024
Feb 6, 2024
(Electronic) Receipt
Appeal
Feb 6, 2024
Feb 6, 2024
Feb 6, 2024
Feb 2, 2024
Feb 2, 2024
Feb 2, 2024
Feb 1, 2024
(Electronic) Receipt
Appeal
Feb 1, 2024
Feb 1, 2024
Jan 10, 2024
Jan 8, 2024
(Electronic) Receipt
Appeal
Jan 8, 2024
Jan 8, 2024
Jan 8, 2024
Jan 5, 2024
(Electronic) Receipt
Appeal
Jan 5, 2024
Jan 5, 2024
Nov 10, 2023
Nov 10, 2023
Jun 13, 2023
Advice of delivery
Appeal
Jun 13, 2023
Advice of delivery
Appeal
Jun 9, 2023
Advice of delivery
Appeal
Jun 6, 2023
Jun 6, 2023
Jun 1, 2023
Jun 1, 2023
Jul 12, 2022
Jul 5, 2022
(Electronic) Receipt
Appeal
Jul 5, 2022
Jul 5, 2022
Mar 22, 2022
Feb 28, 2022
Feb 22, 2022
(Electronic) Receipt
Appeal
Feb 22, 2022
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Claims
Appeal
Feb 22, 2022
Claims
Appeal
Feb 22, 2022
Claims
Appeal
Feb 22, 2022
Feb 22, 2022
Reply to appeal
Appeal
Nov 22, 2021
Nov 18, 2021
Oct 22, 2021
Oct 19, 2021
(Electronic) Receipt
Appeal
Oct 19, 2021
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Aug 9, 2021
(Electronic) Receipt
Appeal
Aug 9, 2021
Aug 9, 2021
Notice of appeal
Appeal
Jul 29, 2021
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Means of redress
OPPO
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(Electronic) Receipt
Search/Exam
Oct 2, 2020
Acknowledgement of a document
Search/Exam
Oct 2, 2020
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Letter accompanying subsequently filed items
Search/Exam
Oct 2, 2020
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Dec 13, 2019
(Electronic) Receipt
Search/Exam
Dec 13, 2019
Letter accompanying subsequently filed items
Search/Exam
Dec 13, 2019
May 13, 2019
Apr 4, 2019
Decision to grant a European patent
Search/Exam
Mar 25, 2019
Mar 25, 2019
Mar 25, 2019
Intention to grant (signatures)
Search/Exam
Mar 25, 2019
Text intended for grant (clean copy)
Search/Exam
Mar 25, 2019
Mar 6, 2019
(Electronic) Receipt
Search/Exam
Mar 6, 2019
Amended description with annotations
Search/Exam
Mar 6, 2019
Description
Search/Exam
Mar 6, 2019
French translation of claims
Search/Exam
Mar 6, 2019
German translation of the claims
Search/Exam
Mar 6, 2019
Letter accompanying subsequently filed items
Search/Exam
Mar 6, 2019
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Intention to grant (signatures)
Search/Exam
Jan 9, 2019
Text intended for grant (clean copy)
Search/Exam
Jan 9, 2019
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Annex to a communication
Search/Exam
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Annex to a communication
Search/Exam
Jan 4, 2019
Annex to the communication
Search/Exam
Jan 4, 2019
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Dec 11, 2018
Claims submitted during oral proceedings
Search/Exam
Dec 11, 2018
Nov 9, 2018
(Electronic) Receipt
Search/Exam
Nov 9, 2018
Letter accompanying subsequently filed items
Search/Exam
Nov 9, 2018
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Jun 21, 2018
Advice of delivery
Search/Exam
May 24, 2018
Acknowledgement of a document
Search/Exam
May 24, 2018
Annex to the communication
Search/Exam
May 24, 2018
Summons to attend oral proceedings
Search/Exam
Apr 23, 2018
Preparation for oral proceedings
Search/Exam
Dec 21, 2017
(Electronic) Receipt
Search/Exam
Dec 21, 2017
Amended claims with annotations
Search/Exam
Dec 21, 2017
Claims
Search/Exam
Dec 21, 2017
Claims
Search/Exam
Dec 21, 2017
Letter accompanying subsequently filed items
Search/Exam
Dec 21, 2017
Sep 27, 2017
Sep 5, 2017
Annex to the communication
Search/Exam
Sep 5, 2017
Communication from the Examining Division
Search/Exam
Aug 30, 2017
(Electronic) Receipt
Search/Exam
Aug 30, 2017
Letter accompanying subsequently filed items
Search/Exam
Aug 30, 2017
Aug 29, 2017
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Observations by third parties
Search/Exam
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Intention to grant (signatures)
Search/Exam
Aug 2, 2017
Text intended for grant (clean copy)
Search/Exam
Aug 2, 2017
Jul 25, 2017
Annex to a communication
Search/Exam
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Annex to a communication
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Jul 25, 2017
Annex to the communication
Search/Exam
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Annex to the communication
Search/Exam
Jul 7, 2017
Consultation by telephone/in person
Search/Exam
Jul 7, 2017
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Observations by third parties
Search/Exam
Jul 4, 2017
(Electronic) Receipt
Search/Exam
Jul 4, 2017
Amended claims with annotations
Search/Exam
Jul 4, 2017
Claims
Search/Exam
Jul 4, 2017
Letter accompanying subsequently filed items
Search/Exam
Jul 4, 2017
Observations by third parties
Search/Exam
Jul 4, 2017
Observations by third parties
Search/Exam
Jul 4, 2017
Jun 29, 2017
(Electronic) Receipt
Search/Exam
Jun 29, 2017
Amended claims with annotations
Search/Exam
Jun 29, 2017
Amended claims with annotations
Search/Exam
Jun 29, 2017
Claims
Search/Exam
Jun 29, 2017
Claims
Search/Exam
Jun 29, 2017
Letter accompanying subsequently filed items
Search/Exam
Jun 29, 2017
Letter dealing with oral proceedings
Search/Exam
Jun 20, 2017
Annex to the communication
Search/Exam
Jun 20, 2017
Consultation by telephone/in person
Search/Exam
Jun 20, 2017
Jun 13, 2017
Annex to a communication
Search/Exam
Jun 13, 2017
Annex to the communication
Search/Exam
Jun 13, 2017
Jun 7, 2017
(Electronic) Receipt
Search/Exam
Jun 7, 2017
Amended claims with annotations
Search/Exam
Jun 7, 2017
Amended claims with annotations
Search/Exam
Jun 7, 2017
Amended claims with annotations
Search/Exam
Jun 7, 2017
Claims
Search/Exam
Jun 7, 2017
Claims
Search/Exam
Jun 7, 2017
Claims
Search/Exam
Jun 7, 2017
Letter accompanying subsequently filed items
Search/Exam
Jun 7, 2017
Dec 20, 2016
Advice of delivery
Search/Exam
Dec 13, 2016
Annex to the communication
Search/Exam
Dec 13, 2016
Summons to attend oral proceedings
Search/Exam
Dec 7, 2016
Preparation for oral proceedings
Search/Exam
Jul 12, 2016
(Electronic) Receipt
Search/Exam
Jul 12, 2016
Amended claims with annotations
Search/Exam
Jul 12, 2016
Claims
Search/Exam
Jul 12, 2016
Letter accompanying subsequently filed items
Search/Exam
Jul 12, 2016
Jul 12, 2016
May 10, 2016
May 4, 2016
(Electronic) Receipt
Search/Exam
May 4, 2016
Letter accompanying subsequently filed items
Search/Exam
May 4, 2016
Jan 4, 2016
Annex to the communication
Search/Exam
Jan 4, 2016
Communication from the Examining Division
Search/Exam
Dec 16, 2015
Examination started
Search/Exam
Dec 14, 2015
Dec 8, 2015
(Electronic) Receipt
Search/Exam
Dec 8, 2015
Dec 8, 2015
Letter accompanying subsequently filed items
Search/Exam
Dec 10, 2014
(Electronic) Receipt
Search/Exam
Dec 10, 2014
Dec 10, 2014
Amendments received before examination
Search/Exam
Dec 10, 2014
Letter accompanying subsequently filed items
Search/Exam
Oct 29, 2014
Jun 24, 2014
Jun 18, 2014
Refund of fees
Search/Exam
May 21, 2014
Notification of forthcoming publication
Search/Exam
May 20, 2014
May 20, 2014
European search opinion
Search/Exam
May 20, 2014
European search report
Search/Exam
Feb 28, 2014
Communication to designated inventor
Search/Exam
Feb 28, 2014
Communication to designated inventor
Search/Exam
Feb 28, 2014
Communication to designated inventor
Search/Exam
Jan 7, 2014
Abstract
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Jan 7, 2014
Jan 7, 2014
Claims
Search/Exam
Jan 7, 2014
Description
Search/Exam
Jan 7, 2014
Designation of inventor
Search/Exam
Jan 7, 2014
Designation of inventor
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Jan 7, 2014
Designation of inventor
Search/Exam
Jan 7, 2014
Drawings
Search/Exam
Jan 7, 2014
Request for grant of a European patent
Search/Exam
Jan 7, 2014
Submission concerning representation
Search/Exam
Jan 4, 2008
Jan 4, 2008