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The patent EP2470722 was granted to ACO Ahlmann on Jul 3, 2019. The application was filed on Oct 5, 2010 under application number EP10766016A. The patent is currently recorded with a legal status of "Granted And Under Opposition".

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 |
|---|---|---|---|
| POLYPIPE | Apr 3, 2020 | MARKS & CLERK | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | DE102005056131 |
| DESCRIPTION | DE20105694U |
| DESCRIPTION | DE202005010090U |
| DESCRIPTION | DE20221567U |
| DESCRIPTION | DE29924050U |
| DESCRIPTION | DE4304609 |
| DESCRIPTION | DE69700174T |
| DESCRIPTION | EP0612888 |
| DESCRIPTION | EP0787865 |
| DESCRIPTION | EP0943737 |
| DESCRIPTION | EP1416099 |
| DESCRIPTION | EP1452653 |
| DESCRIPTION | EP1469133 |
| DESCRIPTION | EP1626064 |
| DESCRIPTION | EP1887145 |
| INTERNATIONAL-SEARCH-REPORT | DE102005056131 |
| INTERNATIONAL-SEARCH-REPORT | DE20105694U |
| INTERNATIONAL-SEARCH-REPORT | DE20303343U |
| INTERNATIONAL-SEARCH-REPORT | DE2521374 |
| INTERNATIONAL-SEARCH-REPORT | DE4304609 |
| INTERNATIONAL-SEARCH-REPORT | DE69700174T |
| INTERNATIONAL-SEARCH-REPORT | EP1416099 |
| INTERNATIONAL-SEARCH-REPORT | EP1607535 |
| INTERNATIONAL-SEARCH-REPORT | EP1743984 |
| INTERNATIONAL-SEARCH-REPORT | EP1887145 |
| INTERNATIONAL-SEARCH-REPORT | US2005155285 |
| INTERNATIONAL-SEARCH-REPORT | WO2007054130 |
| INTERNATIONAL-SEARCH-REPORT | WO2009030896 |
| OPPOSITION | DE20105694U |
| OPPOSITION | DE2521374 |
| OPPOSITION | EP0943737 |
| OPPOSITION | EP1416099 |
| OPPOSITION | EP2398969 |
| OPPOSITION | JP2002115278 |
| OPPOSITION | KR100553085B |
| OPPOSITION | KR100576508B |
| OPPOSITION | US2005155285 |
| OPPOSITION | WO2009030896 |
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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Claims
Appeal
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(Electronic) Receipt
Appeal
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(Electronic) Receipt
Appeal
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Appeal
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Appeal
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Appeal
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(Electronic) Receipt
Appeal
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(Electronic) Receipt
Appeal
Sep 12, 2023
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Reply to appeal
Appeal
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(Electronic) Receipt
Appeal
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Letter accompanying subsequently filed items
Search/Exam
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(Electronic) Receipt
Appeal
Feb 14, 2023
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Notice of appeal
Appeal
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Means of redress
OPPO
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Jul 15, 2019
Jun 6, 2019
Decision to grant a European patent
Search/Exam
May 28, 2019
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Intention to grant (signatures)
Search/Exam
May 28, 2019
Text intended for grant (clean copy)
Search/Exam
May 28, 2019
Apr 30, 2019
(Electronic) Receipt
Search/Exam
Apr 30, 2019
Amended description with annotations
Search/Exam
Apr 30, 2019
Description
Search/Exam
Apr 30, 2019
English translation of the claims
Search/Exam
Apr 30, 2019
French translation of claims
Search/Exam
Apr 30, 2019
Letter accompanying subsequently filed items
Search/Exam
Apr 30, 2019
Dec 21, 2018
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Intention to grant (signatures)
Search/Exam
Dec 21, 2018
Text intended for grant (clean copy)
Search/Exam
Dec 21, 2018
Apr 26, 2018
(Electronic) Receipt
Search/Exam
Apr 26, 2018
Amended claims with annotations
Search/Exam
Apr 26, 2018
Amended description with annotations
Search/Exam
Apr 26, 2018
Claims
Search/Exam
Apr 26, 2018
Description
Search/Exam
Apr 26, 2018
Letter accompanying subsequently filed items
Search/Exam
Apr 26, 2018
Mar 2, 2018
Feb 27, 2018
(Electronic) Receipt
Search/Exam
Feb 27, 2018
Letter accompanying subsequently filed items
Search/Exam
Feb 27, 2018
Oct 17, 2017
Annex to the communication
Search/Exam
Oct 17, 2017
Communication from the Examining Division
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
Feb 27, 2017
Annex to the communication
Search/Exam
Feb 27, 2017
Communication from the Examining Division
Search/Exam
Oct 18, 2016
(Electronic) Receipt
Search/Exam
Oct 18, 2016
Amended claims with annotations
Search/Exam
Oct 18, 2016
Claims
Search/Exam
Oct 18, 2016
Letter accompanying subsequently filed items
Search/Exam
Oct 18, 2016
Jul 25, 2016
Annex to the communication
Search/Exam
Jul 25, 2016
Communication from the Examining Division
Search/Exam
Jun 10, 2016
Submission concerning representation
Search/Exam
Jun 10, 2016
Submission concerning representation
Search/Exam
Apr 13, 2016
(Electronic) Receipt
Search/Exam
Apr 13, 2016
Amended claims with annotations
Search/Exam
Apr 13, 2016
Claims
Search/Exam
Apr 13, 2016
Letter accompanying subsequently filed items
Search/Exam
Apr 13, 2016
Dec 3, 2015
Annex to the communication
Search/Exam
Dec 3, 2015
Communication from the Examining Division
Search/Exam
Jul 6, 2015
Amended claims with annotations
Search/Exam
Jul 6, 2015
Claims
Search/Exam
Jul 6, 2015
Feb 27, 2015
Annex to the communication
Search/Exam
Feb 27, 2015
Communication from the Examining Division
Search/Exam
Nov 20, 2014
Amended claims with annotations
Search/Exam
Nov 20, 2014
Claims
Search/Exam
Nov 20, 2014
Sep 19, 2014
Annex to the communication
Search/Exam
Sep 19, 2014
Communication from the Examining Division
Search/Exam
Sep 11, 2014
Examination started
Search/Exam
Jan 30, 2014
May 23, 2013
May 23, 2013
Amended description with annotations
Search/Exam
May 23, 2013
Amendments received before examination
Search/Exam
Jul 2, 2012
Jun 11, 2012
Jun 6, 2012
May 22, 2012
Letter which had not been notified
Search/Exam
Apr 25, 2012
Apr 16, 2012
Notification of the recording of a change
Search/Exam
Apr 3, 2012
Notification of the recording of a change
Search/Exam
Mar 29, 2012
(Electronic) Receipt
Search/Exam
Mar 29, 2012
Matter concerning the application
Search/Exam
Mar 29, 2012
Reply to Written Opinion prepared by the EPO
Search/Exam
Mar 29, 2012
Request for entry into the European phase
Search/Exam
Mar 29, 2012
Submission concerning representation
Search/Exam
Mar 26, 2012
Notification of the recording of a change
Search/Exam
Feb 17, 2012
Information on entry into European phase
Search/Exam
May 6, 2011
May 6, 2011
Apr 14, 2011
Copy of the international search report
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Apr 14, 2011
Copy of the international search report
Search/Exam
Apr 14, 2011
Published international application - A1
Search/Exam
Dec 29, 2010
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