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The patent EP1520942 was granted to ACO on Nov 7, 2018. The application was filed on Sep 16, 2004 under application number EP04255632A. 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 |
|---|---|---|---|
| HAURATON & COKG | Mar 20, 2019 | GEITZ PATENTANWALTE PARTG MBB | 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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Jun 5, 2024
Refund of fees
Search/Exam
Jun 4, 2024
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Jun 4, 2024
May 21, 2024
May 15, 2024
(Electronic) Receipt
Appeal
May 15, 2024
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(Electronic) Receipt
Appeal
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(Electronic) Receipt
Appeal
Apr 24, 2024
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(Electronic) Receipt
Appeal
Apr 23, 2024
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Apr 15, 2024
Apr 9, 2024
(Electronic) Receipt
Appeal
Apr 9, 2024
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Mar 18, 2024
(Electronic) Receipt
Appeal
Mar 18, 2024
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Dec 13, 2023
Dec 7, 2023
(Electronic) Receipt
Appeal
Dec 7, 2023
Dec 7, 2023
Nov 16, 2023
Nov 13, 2023
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Nov 8, 2023
Sep 25, 2023
Sep 20, 2023
(Electronic) Receipt
Appeal
Sep 20, 2023
Sep 20, 2023
Sep 20, 2023
Jul 4, 2023
Letter accompanying subsequently filed items
Search/Exam
Mar 12, 2023
Feb 15, 2023
Feb 10, 2023
(Electronic) Receipt
Appeal
Feb 10, 2023
Feb 10, 2023
Aug 31, 2022
Aug 26, 2022
(Electronic) Receipt
Appeal
Aug 26, 2022
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Reply to appeal
Appeal
Apr 28, 2022
Apr 21, 2022
(Electronic) Receipt
Appeal
Apr 21, 2022
Apr 21, 2022
Feb 21, 2022
Feb 16, 2022
Advice of delivery
Appeal
Feb 14, 2022
(Electronic) Receipt
Appeal
Feb 14, 2022
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Feb 11, 2022
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Feb 7, 2022
(Electronic) Receipt
Appeal
Feb 7, 2022
Feb 7, 2022
Notice of appeal
Appeal
Dec 29, 2021
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Means of redress
OPPO
Dec 23, 2021
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General enquiry
OPPO
Oct 28, 2021
Oct 28, 2021
General enquiry
OPPO
Oct 28, 2021
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Authorisation
Search/Exam
Jan 30, 2019
Jan 28, 2019
Authorisation
Search/Exam
Jan 28, 2019
Nov 19, 2018
Oct 11, 2018
Decision to grant a European patent
Search/Exam
Sep 11, 2018
Sep 11, 2018
Sep 11, 2018
Intention to grant (signatures)
Search/Exam
Sep 11, 2018
Text intended for grant (clean copy)
Search/Exam
Sep 11, 2018
Jul 13, 2018
(Electronic) Receipt
Search/Exam
Jul 13, 2018
Amended claims with annotations
Search/Exam
Jul 13, 2018
Claims
Search/Exam
Jul 13, 2018
French translation of claims
Search/Exam
Jul 13, 2018
German translation of the claims
Search/Exam
Jul 13, 2018
Letter accompanying subsequently filed items
Search/Exam
Jul 13, 2018
Mar 15, 2018
Mar 15, 2018
Mar 15, 2018
Intention to grant (signatures)
Search/Exam
Mar 15, 2018
Text intended for grant (clean copy)
Search/Exam
Mar 15, 2018
Oct 25, 2017
Oct 20, 2017
Apr 27, 2017
Submission concerning representation
Search/Exam
Aug 8, 2016
Decision to allow further processing
Search/Exam
Jul 29, 2016
(Electronic) Receipt
Search/Exam
Jul 29, 2016
Claims
Search/Exam
Jul 29, 2016
Description
Search/Exam
Jul 29, 2016
Letter accompanying subsequently filed items
Search/Exam
Jul 29, 2016
Request for further processing
Search/Exam
Jun 3, 2016
Mar 1, 2016
Feb 25, 2016
(Electronic) Receipt
Search/Exam
Feb 25, 2016
Letter accompanying subsequently filed items
Search/Exam
Oct 27, 2015
Annex to the communication
Search/Exam
Oct 27, 2015
Communication from the Examining Division
Search/Exam
Oct 16, 2015
Oct 8, 2015
(Electronic) Receipt
Search/Exam
Oct 8, 2015
Amended claims with annotations
Search/Exam
Oct 8, 2015
Claims
Search/Exam
Oct 8, 2015
Letter accompanying subsequently filed items
Search/Exam
Oct 8, 2015
Jul 24, 2015
Jul 24, 2015
Jul 24, 2015
Intention to grant (signatures)
Search/Exam
Jul 24, 2015
Text intended for grant
Search/Exam
Jul 5, 2011
(Electronic) Receipt
Search/Exam
Jul 5, 2011
Claims
Search/Exam
Jul 5, 2011
Description
Search/Exam
Jul 5, 2011
Letter accompanying subsequently filed items
Search/Exam
Jul 5, 2011
May 20, 2011
Annex to the communication
Search/Exam
May 20, 2011
Communication from the Examining Division
Search/Exam
Sep 30, 2009
Sep 9, 2009
Aug 4, 2009
May 9, 2009
Submission concerning representation
Search/Exam
Apr 30, 2009
Submission concerning representation
Search/Exam
Sep 8, 2008
Sep 1, 2008
Jul 4, 2007
Refund of fees
Search/Exam
Jun 16, 2006
Letter concerning fees and payments
Search/Exam
Sep 26, 2005
Letter concerning fees and payments
Search/Exam
Sep 22, 2005
Letter concerning fees and payments
Search/Exam
Sep 22, 2005
Letter concerning fees and payments
Search/Exam
Jul 12, 2005
Jul 1, 2005
Request for change of representative
Search/Exam
Apr 11, 2005
Feb 23, 2005
Notification of forthcoming publication
Search/Exam
Dec 22, 2004
Dec 22, 2004
European search report
Search/Exam
Nov 26, 2004
Designation of inventor
Search/Exam
Nov 26, 2004
Designation of inventor
Search/Exam
Nov 26, 2004
Designation of inventor
Search/Exam
Nov 25, 2004
Letter concerning the priority
Search/Exam
Nov 25, 2004
Priority document
Search/Exam
Nov 8, 2004
Deficiency in designation of inventor
Search/Exam
Sep 16, 2004
Abstract
Search/Exam
Sep 16, 2004
Claims
Search/Exam
Sep 16, 2004
Description
Search/Exam
Sep 16, 2004
Drawings
Search/Exam
Sep 16, 2004
Request for grant of a European patent
Search/Exam