Drainage Body

Patent No. EP2470722 (titled "Drainage Body") was filed by ACO Ahlmann on Oct 5, 2010. The application was issued on Jul 3, 2019.

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
POLYPIPE	Apr 3, 2020	MARKS & CLERK

Dossier Documents

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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Dec 5, 2025
Communication of bibliographic data
Dec 5, 2025
Communication to opponent concerning maintenance
Dec 5, 2025
Communication with request to file translations
Nov 28, 2025
Maintenance of the patent with the documents specified in the final decision
Nov 17, 2025
Decision of the Board of Appeal
Nov 17, 2025
F3032 Notification(s) of the decision
Nov 17, 2025
F3032 Notification(s) of the decision
Oct 29, 2025
F3013 Oral Proceedings: Forwarding minutes
Oct 29, 2025
F3013 Oral Proceedings: Forwarding minutes
Oct 29, 2025
F3315 Oral Proceedings: Minutes (Appellant : Proprietor)
Oct 16, 2025
F3345 Forwarding of submissions to parties
Oct 15, 2025
(Electronic) Receipt
Oct 15, 2025
Letter accompanying subsequently filed items
Oct 15, 2025
Letter dealing with oral proceedings during the appeal procedure
Oct 14, 2025
F3345 Forwarding of submissions to parties
Oct 10, 2025
(Electronic) Receipt
Oct 10, 2025
Amended claims with annotations
Oct 10, 2025
Claims
Oct 10, 2025
Letter accompanying subsequently filed items
Oct 10, 2025
Letter dealing with oral proceedings during the appeal procedure
Oct 8, 2025
F3345 Forwarding of submissions to parties
Oct 6, 2025
(Electronic) Receipt
Oct 6, 2025
Letter accompanying subsequently filed items
Oct 6, 2025
Letter dealing with oral proceedings during the appeal procedure
Oct 6, 2025
Non-Patent Literature cited during the appeal procedure
Oct 2, 2025
Oral proceedings: change of venue
Oct 2, 2025
Oral proceedings: change of venue
Oct 1, 2025
F3345 Forwarding of submissions to parties
Sep 30, 2025
(Electronic) Receipt
Sep 30, 2025
Letter accompanying subsequently filed items
Sep 30, 2025
Letter dealing with oral proceedings during the appeal procedure
Sep 26, 2025
(Electronic) Receipt
Sep 26, 2025
F3018 Oral proceedings: Confirmation interpreters
Sep 26, 2025
F3018 Oral proceedings: Confirmation interpreters
Sep 26, 2025
F3345 Forwarding of submissions to parties
Sep 26, 2025
Letter accompanying subsequently filed items
Sep 26, 2025
Letter dealing with oral proceedings during the appeal procedure
Sep 26, 2025
Oral proceedings: reply to date proposed
Sep 25, 2025
F3018 Oral proceedings: Confirmation interpreters
Sep 25, 2025
F3018 Oral proceedings: Confirmation interpreters
Sep 5, 2025
(Electronic) Receipt
Sep 5, 2025
Annexes (other than cited documents) regarding appeal procedure
Sep 5, 2025
F3345 Forwarding of submissions to parties
Sep 5, 2025
Letter accompanying subsequently filed items
Sep 5, 2025
Letter dealing with oral proceedings during the appeal procedure
Aug 21, 2025
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Aug 21, 2025
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Apr 24, 2025
F3345 Forwarding of submissions to parties
Apr 16, 2025
(Electronic) Receipt
Apr 16, 2025
Letter accompanying subsequently filed items
Apr 16, 2025
Oral proceedings: reply to date proposed
Apr 11, 2025
F3345 Forwarding of submissions to parties
Apr 8, 2025
(Electronic) Receipt
Apr 8, 2025
Letter accompanying subsequently filed items
Apr 8, 2025
Oral proceedings: reply to date proposed
Mar 19, 2025
F3011.1 Oral Proceedings: summons
Mar 19, 2025
F3011.1 Oral Proceedings: summons
Mar 14, 2025
F3010 Oral proceedings: order for summons
Jan 29, 2025
(Electronic) Receipt
Jan 29, 2025
F3345 Forwarding of submissions to parties
Jan 29, 2025
Letter accompanying subsequently filed items
Jan 29, 2025
Letter relating to Appeal Procedure
Jan 21, 2025
F3303.16 Change of composition of the Board (T)
Jul 29, 2024
F3345 Forwarding of submissions to parties
Jul 23, 2024
(Electronic) Receipt
Jul 23, 2024
Letter accompanying subsequently filed items
Jul 23, 2024
Letter relating to Appeal Procedure
Jul 3, 2024
F3303.16 Change of composition of the Board (T)
May 27, 2024
F3345 Forwarding of submissions to parties
May 20, 2024
(Electronic) Receipt
May 20, 2024
Citation in appeal procedure - 016
May 20, 2024
Citation in appeal procedure - 017
May 20, 2024
Citation in appeal procedure - 018
May 20, 2024
Citation in appeal procedure - 019
May 20, 2024
Citation in appeal procedure - 020
May 20, 2024
Letter accompanying subsequently filed items
May 20, 2024
Letter relating to Appeal Procedure
Mar 3, 2024
Composition of the board (T)
Nov 15, 2023
F3345 Forwarding of submissions to parties
Nov 9, 2023
(Electronic) Receipt
Nov 9, 2023
Letter accompanying subsequently filed items
Nov 9, 2023
Letter relating to Appeal Procedure
Sep 18, 2023
F3345 Forwarding of submissions to parties
Sep 12, 2023
(Electronic) Receipt
Sep 12, 2023
Letter accompanying subsequently filed items
Sep 12, 2023
Reply to appeal
May 2, 2023
F3344 Setting time limit for reply/ file observations to appeal (inter partes)
Apr 25, 2023
(Electronic) Receipt
Apr 25, 2023
Amended claims with annotations
Apr 25, 2023
Amended claims with annotations
Apr 25, 2023
Auxiliary request during appeals procedure - 01
Apr 25, 2023
Auxiliary request during appeals procedure - 01
Apr 25, 2023
Auxiliary request during appeals procedure - 02
Apr 25, 2023
Auxiliary request during appeals procedure - 03
Apr 25, 2023
Auxiliary request during appeals procedure - 04
Apr 25, 2023
Auxiliary request during appeals procedure - 05
Apr 25, 2023
Auxiliary request during appeals procedure - 06
Apr 25, 2023
Auxiliary request during appeals procedure - 07
Apr 25, 2023
Auxiliary request during appeals procedure - 08
Apr 25, 2023
Auxiliary request during appeals procedure - 09
Apr 25, 2023
Auxiliary request during appeals procedure - 10
Apr 25, 2023
Auxiliary request during appeals procedure - 11
Apr 25, 2023
Auxiliary request during appeals procedure - 12
Apr 25, 2023
Letter accompanying subsequently filed items
Apr 25, 2023
Statement of grounds of appeal
Mar 24, 2023
Communication of amended entries concerning the representative
Mar 20, 2023
Letter accompanying subsequently filed items
Mar 20, 2023
Submission concerning change of applicant's representative
Feb 20, 2023
F3204 Communication of the file number to the parties
Feb 20, 2023
F3204 Communication of the file number to the parties
Feb 14, 2023
(Electronic) Receipt
Feb 14, 2023
Letter accompanying subsequently filed items
Feb 14, 2023
Notice of appeal
Jan 12, 2023
(Electronic) Receipt
Jan 12, 2023
Advice of delivery
Jan 12, 2023
Letter accompanying subsequently filed items
Dec 20, 2022
(Electronic) Receipt
Dec 20, 2022
Advice of delivery
Dec 20, 2022
Letter accompanying subsequently filed items
Dec 16, 2022
Annex to the communication - opposition
Dec 16, 2022
Decision of the Opposition Division and instruction
Dec 16, 2022
Decision of the Opposition Division and instruction
Dec 16, 2022
Druckexemplar in opposition procedure
Dec 16, 2022
Grounds for the decision (Annex) - opposition
Dec 16, 2022
Interlocutory decision in opposition proceedings
Dec 16, 2022
Interlocutory decision in opposition proceedings
Dec 16, 2022
Means of redress
Dec 16, 2022
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Dec 16, 2022
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Dec 16, 2022
Provision of a copy of the minutes - opposition procedure
Dec 16, 2022
Provision of a copy of the minutes - opposition procedure
Dec 16, 2022
Scanned annex to a communication - opposition procedure
Dec 16, 2022
Scanned annex to a communication - opposition procedure
Dec 16, 2022
Scanned annex to a communication - opposition procedure
Dec 16, 2022
Scanned annex to a communication - opposition procedure
Dec 16, 2022
Transmittal of decision / summons - opposition
Dec 16, 2022
Transmittal of decision / summons - opposition
Nov 11, 2022
(Electronic) Receipt
Nov 11, 2022
Any annexes (other than citation) to an opposition letter
Nov 11, 2022
Letter accompanying subsequently filed items
Jul 28, 2022
Brief communication - Opposition proceedings
Jul 27, 2022
Communication of amended entries
Jul 13, 2022
Document concerning representation
Jul 12, 2022
Letter accompanying subsequently filed items
Jul 12, 2022
Request for change of opponent's representative
Jun 21, 2022
Information about the result of oral proceedings
Jun 20, 2022
Brief communication - Opposition proceedings
Jun 17, 2022
(Electronic) Receipt
Jun 17, 2022
Brief communication - Opposition proceedings
Jun 17, 2022
Letter accompanying subsequently filed items
Jun 17, 2022
Written submission in preparation to/during oral proceedings
Jun 10, 2022
(Electronic) Receipt
Jun 10, 2022
Citation in opposition procedure - 015
Jun 10, 2022
Letter accompanying subsequently filed items
Jun 10, 2022
Written submission in preparation to/during oral proceedings
May 27, 2022
Communication for party to proceedings/third party
May 27, 2022
Communication for party to proceedings/third party
May 3, 2022
Brief communication - Opposition proceedings
Apr 29, 2022
Brief communication - Opposition proceedings
Apr 28, 2022
(Electronic) Receipt
Apr 28, 2022
Letter accompanying subsequently filed items
Apr 28, 2022
Written submission in preparation to/during oral proceedings
Apr 21, 2022
(Electronic) Receipt
Apr 21, 2022
(Electronic) Receipt
Apr 21, 2022
Auxiliary request during Opposition procedure
Apr 21, 2022
Auxiliary request during Opposition procedure
Apr 21, 2022
Auxiliary request during Opposition procedure
Apr 21, 2022
Auxiliary request during Opposition procedure
Apr 21, 2022
Auxiliary request during Opposition procedure
Apr 21, 2022
Auxiliary request during Opposition procedure
Apr 21, 2022
Auxiliary request during Opposition procedure
Apr 21, 2022
Auxiliary request during Opposition procedure
Apr 21, 2022
Auxiliary request during Opposition procedure
Apr 21, 2022
Auxiliary request during Opposition procedure
Apr 21, 2022
Auxiliary request during Opposition procedure
Apr 21, 2022
Auxiliary request during Opposition procedure
Apr 21, 2022
Auxiliary request during Opposition procedure - 01
Apr 21, 2022
Auxiliary request during Opposition procedure - 02
Apr 21, 2022
Auxiliary request during Opposition procedure - 03
Apr 21, 2022
Auxiliary request during Opposition procedure - 04
Apr 21, 2022
Auxiliary request during Opposition procedure - 05
Apr 21, 2022
Auxiliary request during Opposition procedure - 06
Apr 21, 2022
Auxiliary request during Opposition procedure - 07
Apr 21, 2022
Auxiliary request during Opposition procedure - 08
Apr 21, 2022
Auxiliary request during Opposition procedure - 09
Apr 21, 2022
Auxiliary request during Opposition procedure - 10
Apr 21, 2022
Auxiliary request during Opposition procedure - 11
Apr 21, 2022
Auxiliary request during Opposition procedure - 12
Apr 21, 2022
Citation in opposition procedure - 013
Apr 21, 2022
Citation in opposition procedure - 014
Apr 21, 2022
Letter accompanying subsequently filed items
Apr 21, 2022
Letter accompanying subsequently filed items
Apr 21, 2022
Notification concerning the date of oral proceedings
Apr 21, 2022
Notification concerning the date of oral proceedings
Apr 21, 2022
Written submission in preparation to/during oral proceedings
Apr 21, 2022
Written submission in preparation to/during oral proceedings
Feb 14, 2022
Communication of the registration of a transfer or change of name and/or address
Feb 4, 2022
Annexes in respect of a client data request
Feb 4, 2022
Annexes in respect of a client data request
Feb 4, 2022
Letter accompanying subsequently filed items
Feb 4, 2022
Submission concerning change of applicant's name
Nov 30, 2021
(Electronic) Receipt
Nov 30, 2021
Advice of delivery
Nov 30, 2021
Letter accompanying subsequently filed items
Nov 26, 2021
(Electronic) Receipt
Nov 26, 2021
Advice of delivery
Nov 26, 2021
Annex to the communication - opposition
Nov 26, 2021
Information concerning oral proceedings
Nov 26, 2021
Letter accompanying subsequently filed items
Nov 26, 2021
Summons to attend oral proceedings
Nov 26, 2021
Summons to attend oral proceedings
Nov 26, 2021
Transmittal of decision / summons - opposition
Nov 26, 2021
Transmittal of decision / summons - opposition
Oct 20, 2020
Brief communication - Opposition proceedings
Oct 15, 2020
(Electronic) Receipt
Oct 15, 2020
Any annexes (other than citation) to an opposition letter
Oct 15, 2020
Letter accompanying subsequently filed items
Oct 15, 2020
Reply of the patent proprietor to the notice(s) of opposition
Jun 16, 2020
Communication of a notice of opposition and request to file observations
Jun 16, 2020
Notice of further oppositions to opponent(s)
Apr 29, 2020
Brief communication - Opposition proceedings
Apr 23, 2020
Brief communication - Opposition proceedings
Apr 21, 2020
(Electronic) Receipt
Apr 21, 2020
Any annexes (other than citation) to an opposition letter
Apr 21, 2020
Letter regarding the opposition procedure (no time limit)
Apr 17, 2020
(Electronic) Receipt
Apr 17, 2020
Citation in opposition procedure - 007
Apr 17, 2020
Letter accompanying subsequently filed items
Apr 17, 2020
Letter regarding the opposition procedure (no time limit)
Apr 9, 2020
Communication of a notice of opposition - first information to patent proprietor
Apr 9, 2020
Request for documents
Apr 3, 2020
Citation in opposition procedure - 001
Apr 3, 2020
Citation in opposition procedure - 002
Apr 3, 2020
Citation in opposition procedure - 002
Apr 3, 2020
Citation in opposition procedure - 003
Apr 3, 2020
Citation in opposition procedure - 004
Apr 3, 2020
Citation in opposition procedure - 005
Apr 3, 2020
Citation in opposition procedure - 005
Apr 3, 2020
Citation in opposition procedure - 006
Apr 3, 2020
Citation in opposition procedure - 007
Apr 3, 2020
Citation in opposition procedure - 008
Apr 3, 2020
Citation in opposition procedure - 008
Apr 3, 2020
Citation in opposition procedure - 009
Apr 3, 2020
Citation in opposition procedure - 010
Apr 3, 2020
Citation in opposition procedure - 010
Apr 3, 2020
Citation in opposition procedure - 011
Apr 3, 2020
Citation in opposition procedure - 011
Apr 3, 2020
Citation in opposition procedure - 012
Apr 3, 2020
International publication (Pamphlet)
Apr 3, 2020
Letter accompanying subsequently filed items
Apr 3, 2020
Notice of opposition
Apr 3, 2020
Notice of opposition
Apr 3, 2020
Patent document cited during the opposition procedure
Jul 15, 2019
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Jun 6, 2019
Decision to grant a European patent
May 28, 2019
Bibliographic data of the European patent application
May 28, 2019
Information about intention to grant a patent
May 28, 2019
Intention to grant (signatures)
May 28, 2019
Text intended for grant (clean copy)
May 28, 2019
Text intended for grant (version for approval)
Apr 30, 2019
(Electronic) Receipt
Apr 30, 2019
Amended description with annotations
Apr 30, 2019
Description
Apr 30, 2019
English translation of the claims
Apr 30, 2019
French translation of claims
Apr 30, 2019
Letter accompanying subsequently filed items
Apr 30, 2019
Request for correction/amendment of the text proposed for grant sent from 01.04.2012
Dec 21, 2018
Bibliographic data of the European patent application
Dec 21, 2018
Communication about intention to grant a European patent
Dec 21, 2018
Intention to grant (signatures)
Dec 21, 2018
Text intended for grant (clean copy)
Dec 21, 2018
Text intended for grant (version for approval)
Apr 26, 2018
(Electronic) Receipt
Apr 26, 2018
Amended claims with annotations
Apr 26, 2018
Amended description with annotations
Apr 26, 2018
Claims
Apr 26, 2018
Description
Apr 26, 2018
Letter accompanying subsequently filed items
Apr 26, 2018
Reply to communication from the Examining Division
Mar 2, 2018
Grant of extension of time limit (examination procedure)
Feb 27, 2018
(Electronic) Receipt
Feb 27, 2018
Letter accompanying subsequently filed items
Feb 27, 2018
Request for extension of time limit to communication from the Examining Division
Oct 17, 2017
Annex to the communication
Oct 17, 2017
Communication from the Examining Division
Jul 4, 2017
(Electronic) Receipt
Jul 4, 2017
Amended claims with annotations
Jul 4, 2017
Claims
Jul 4, 2017
Letter accompanying subsequently filed items
Jul 4, 2017
Reply to communication from the Examining Division
Feb 27, 2017
Annex to the communication
Feb 27, 2017
Communication from the Examining Division
Oct 18, 2016
(Electronic) Receipt
Oct 18, 2016
Amended claims with annotations
Oct 18, 2016
Claims
Oct 18, 2016
Letter accompanying subsequently filed items
Oct 18, 2016
Reply to communication from the Examining Division
Jul 25, 2016
Annex to the communication
Jul 25, 2016
Communication from the Examining Division
Jun 10, 2016
Submission concerning representation
Jun 10, 2016
Submission concerning representation
Apr 13, 2016
(Electronic) Receipt
Apr 13, 2016
Amended claims with annotations
Apr 13, 2016
Claims
Apr 13, 2016
Letter accompanying subsequently filed items
Apr 13, 2016
Reply to communication from the Examining Division
Dec 3, 2015
Annex to the communication
Dec 3, 2015
Communication from the Examining Division
Jul 6, 2015
Amended claims with annotations
Jul 6, 2015
Claims
Jul 6, 2015
Reply to communication from the Examining Division
Feb 27, 2015
Annex to the communication
Feb 27, 2015
Communication from the Examining Division
Nov 20, 2014
Amended claims with annotations
Nov 20, 2014
Claims
Nov 20, 2014
Reply to communication from the Examining Division
Sep 19, 2014
Annex to the communication
Sep 19, 2014
Communication from the Examining Division
Sep 11, 2014
Examination started
Jan 30, 2014
Enquiry as to when a communication from the Examining Division can be expected
May 23, 2013
Amended description filed after receipt of (European) search report
May 23, 2013
Amended description with annotations
May 23, 2013
Amendments received before examination
Jul 2, 2012
Brief communication to applicant/representative
Jun 11, 2012
Invitation to indicate correct address of inventor
Jun 6, 2012
Notification on forthcoming publication of bibliographic data
May 22, 2012
Letter which had not been notified
Apr 25, 2012
Copy of the international preliminary report on patentability
Apr 16, 2012
Notification of the recording of a change
Apr 3, 2012
Notification of the recording of a change
Mar 29, 2012
(Electronic) Receipt
Mar 29, 2012
Matter concerning the application
Mar 29, 2012
Reply to Written Opinion prepared by the EPO
Mar 29, 2012
Request for entry into the European phase
Mar 29, 2012
Submission concerning representation
Mar 26, 2012
Notification of the recording of a change
Feb 17, 2012
Information on entry into European phase
May 6, 2011
Priority document (electronically transmitted)
May 6, 2011
Priority document (electronically transmitted)
Apr 14, 2011
Copy of the international search report
Apr 14, 2011
Copy of the international search report
Apr 14, 2011
Published international application - A1
Dec 29, 2010
Written opinion of the ISA, boxes No. I to VIII
Dec 29, 2010
Written opinion of the ISA, cover sheet
Dec 29, 2010
Written opinion of the ISA, supplemental box
Dec 27, 2010
Notification of the recording of a change
Dec 27, 2010
Notification of the recording of a change
Dec 27, 2010
Notification of the recording of a change

EP2470722

ACO AHLMANN

Application Number: EP10766016A
Filing Date: Oct 5, 2010
Status: Granted And Under Opposition; May 31, 2019
Publication Date: Jul 3, 2019
External Links: Slate, Register , Google Patents

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Dossier Documents

EP2470722