Noise Reduction Member And System

Patent No. EP1731284 (titled "Noise Reduction Member And System") was filed by L & L Products on Jun 6, 2006. The application was issued on Aug 7, 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
SIKA TECHNOLOGY	May 6, 2020	SIKA PATENT ATTORNEYS

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 10, 2025
F3345 Forwarding of submissions to parties
Dec 3, 2025
(Electronic) Receipt
Dec 3, 2025
Amended claims with annotations
Dec 3, 2025
Amended claims with annotations
Dec 3, 2025
Amended claims with annotations
Dec 3, 2025
Amended claims with annotations
Dec 3, 2025
Auxiliary request during appeals procedure - 01
Dec 3, 2025
Auxiliary request during appeals procedure - 02
Dec 3, 2025
Auxiliary request during appeals procedure - 03
Dec 3, 2025
Auxiliary request during appeals procedure - 04
Dec 3, 2025
Letter accompanying subsequently filed items
Dec 3, 2025
Reply to appeal
Aug 6, 2025
F3344 Setting time limit for reply/ file observations to appeal (inter partes)
Aug 5, 2025
(Electronic) Receipt
Aug 5, 2025
Letter accompanying subsequently filed items
Aug 5, 2025
Statement of grounds of appeal
Jul 2, 2025
Composition of the board (T)
Jun 24, 2025
F3345 Forwarding of submissions to parties
Jun 16, 2025
(Electronic) Receipt
Jun 16, 2025
Letter accompanying subsequently filed items
Jun 16, 2025
Letter relating to Appeal Procedure
Jun 10, 2025
F3204 Communication of the file number to the parties
Jun 10, 2025
F3204 Communication of the file number to the parties
Jun 3, 2025
(Electronic) Receipt
Jun 3, 2025
Authorisation
Jun 3, 2025
Notice of appeal
Jun 3, 2025
Notice of appeal
Apr 9, 2025
Annex to the communication - opposition
Apr 9, 2025
Brief communication - Opposition proceedings
Apr 9, 2025
Brief communication - Opposition proceedings
Apr 9, 2025
Decision of the Opposition Division and instruction
Apr 9, 2025
Druckexemplar in opposition procedure
Apr 9, 2025
Grounds for the decision (Annex) - opposition
Apr 9, 2025
Interlocutory decision in opposition proceedings
Apr 9, 2025
Interlocutory decision in opposition proceedings
Apr 9, 2025
Means of redress
Apr 9, 2025
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Apr 9, 2025
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Apr 9, 2025
Provision of a copy of the minutes - opposition procedure
Apr 9, 2025
Provision of a copy of the minutes - opposition procedure
Mar 11, 2025
Information about the result of oral proceedings
Feb 26, 2025
Brief communication - Opposition proceedings
Feb 19, 2025
(Electronic) Receipt
Feb 19, 2025
Letter accompanying subsequently filed items
Feb 19, 2025
Written submission in preparation to/during oral proceedings
Jan 20, 2025
Brief communication - Opposition proceedings
Jan 13, 2025
Brief communication - Opposition proceedings
Jan 10, 2025
(Electronic) Receipt
Jan 10, 2025
Letter accompanying subsequently filed items
Jan 10, 2025
Written submission in preparation to/during oral proceedings
Jan 6, 2025
(Electronic) Receipt
Jan 6, 2025
Letter accompanying subsequently filed items
Jan 6, 2025
Request for interpreters during oral proceedings
Jul 30, 2024
Brief communication - Opposition proceedings
Jul 30, 2024
Brief communication - Opposition proceedings
Jul 26, 2024
Brief communication - Opposition proceedings
Jul 18, 2024
(Electronic) Receipt
Jul 18, 2024
Letter accompanying subsequently filed items
Jul 18, 2024
Written submission in preparation to/during oral proceedings
Jul 8, 2024
Brief communication - Opposition proceedings
Jul 3, 2024
Brief communication - Opposition proceedings
Jun 25, 2024
(Electronic) Receipt
Jun 25, 2024
Authorisation
Jun 25, 2024
Letter accompanying subsequently filed items
Jun 25, 2024
Written submission in preparation to/during oral proceedings
Jun 7, 2024
Annex to the communication - opposition
Jun 7, 2024
Scanned annex to a communication - opposition procedure
Apr 25, 2024
Decision of the Board of Appeal
Apr 25, 2024
F3032 Notification(s) of the decision
Apr 25, 2024
F3032 Notification(s) of the decision
Jan 2, 2024
F3013 Oral Proceedings: Forwarding minutes
Jan 2, 2024
F3013 Oral Proceedings: Forwarding minutes
Jan 2, 2024
F3316 Oral Proceedings: Minutes (Appellant: Opponent)
Dec 1, 2023
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Dec 1, 2023
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Nov 13, 2023
F3345 Forwarding of submissions to parties
Nov 8, 2023
(Electronic) Receipt
Nov 8, 2023
Letter accompanying subsequently filed items
Nov 8, 2023
Letter dealing with oral proceedings during the appeal procedure
Oct 30, 2023
F3345 Forwarding of submissions to parties
Oct 25, 2023
(Electronic) Receipt
Oct 25, 2023
Letter accompanying subsequently filed items
Oct 25, 2023
Letter dealing with oral proceedings during the appeal procedure
Oct 24, 2023
F3345 Forwarding of submissions to parties
Oct 20, 2023
(Electronic) Receipt
Oct 20, 2023
(Electronic) Receipt
Oct 20, 2023
F3345 Forwarding of submissions to parties
Oct 20, 2023
Letter accompanying subsequently filed items
Oct 20, 2023
Letter accompanying subsequently filed items
Oct 20, 2023
Letter dealing with oral proceedings during the appeal procedure
Oct 20, 2023
Letter relating to Appeal Procedure
Oct 18, 2023
(Electronic) Receipt
Oct 18, 2023
Authorisation
Oct 18, 2023
F3018 Oral proceedings: Confirmation interpreters
Oct 18, 2023
F3018 Oral proceedings: Confirmation interpreters
Oct 18, 2023
F3345 Forwarding of submissions to parties
Oct 18, 2023
Letter accompanying subsequently filed items
Oct 18, 2023
Letter dealing with oral proceedings during the appeal procedure
Oct 17, 2023
Oral proceedings: change of venue
Oct 17, 2023
Oral proceedings: change of venue
Oct 16, 2023
(Electronic) Receipt
Oct 16, 2023
Letter accompanying subsequently filed items
Oct 16, 2023
Letter dealing with oral proceedings during the appeal procedure
Oct 5, 2023
F3060 Request to provide missing authorisation
Oct 5, 2023
F3060 Request to provide missing authorisation
Oct 5, 2023
F3345 Forwarding of submissions to parties
Sep 15, 2023
(Electronic) Receipt
Sep 15, 2023
Letter accompanying subsequently filed items
Sep 15, 2023
Request for interpreters during oral proceedings
Jul 5, 2023
F3345 Forwarding of submissions to parties
Jun 27, 2023
(Electronic) Receipt
Jun 27, 2023
Letter accompanying subsequently filed items
Jun 27, 2023
Letter relating to Appeal Procedure
Feb 20, 2023
F3345 Forwarding of submissions to parties
Feb 10, 2023
(Electronic) Receipt
Feb 10, 2023
Letter accompanying subsequently filed items
Feb 10, 2023
Letter dealing with oral proceedings during the appeal procedure
Oct 25, 2022
F3345 Forwarding of submissions to parties
Oct 17, 2022
(Electronic) Receipt
Oct 17, 2022
Letter accompanying subsequently filed items
Oct 17, 2022
Letter relating to Appeal Procedure
Oct 7, 2022
F3011.1 Oral Proceedings: summons
Oct 7, 2022
F3011.1 Oral Proceedings: summons
Oct 7, 2022
Standard Communication Rule 103 (2) EPC
Oct 7, 2022
Standard Communication Rule 103 (2) EPC
Oct 4, 2022
Composition of the board (T)
Oct 4, 2022
F3010 Oral proceedings: order for summons
Sep 28, 2022
F3345 Forwarding of submissions to parties
Sep 24, 2022
(Electronic) Receipt
Sep 24, 2022
Letter accompanying subsequently filed items
Sep 24, 2022
Letter relating to Appeal Procedure
Jul 13, 2022
F3345 Forwarding of submissions to parties
Jul 13, 2022
F3345 Forwarding of submissions to parties
Jul 12, 2022
(Electronic) Receipt
Jul 12, 2022
Amended claims with annotations
Jul 12, 2022
Auxiliary request during appeals procedure - 01
Jul 12, 2022
Letter accompanying subsequently filed items
Jul 12, 2022
Letter relating to Appeal Procedure
Jul 8, 2022
(Electronic) Receipt
Jul 8, 2022
Amended claims with annotations
Jul 8, 2022
Amended claims with annotations
Jul 8, 2022
Amended claims with annotations
Jul 8, 2022
Amended claims with annotations
Jul 8, 2022
Amended claims with annotations
Jul 8, 2022
Amended claims with annotations
Jul 8, 2022
Amended claims with annotations
Jul 8, 2022
Auxiliary request during appeals procedure - 01
Jul 8, 2022
Auxiliary request during appeals procedure - 02
Jul 8, 2022
Auxiliary request during appeals procedure - 02
Jul 8, 2022
Auxiliary request during appeals procedure - 03
Jul 8, 2022
Auxiliary request during appeals procedure - 03
Jul 8, 2022
Auxiliary request during appeals procedure - 04
Jul 8, 2022
Auxiliary request during appeals procedure - 04
Jul 8, 2022
Letter accompanying subsequently filed items
Jul 8, 2022
Reply to appeal
Mar 2, 2022
F3344 Setting time limit for reply/ file observations to appeal (inter partes)
Feb 23, 2022
(Electronic) Receipt
Feb 23, 2022
Letter accompanying subsequently filed items
Feb 23, 2022
Non-Patent Literature cited during the appeal procedure
Feb 23, 2022
Non-Patent Literature cited during the appeal procedure
Feb 23, 2022
Statement of grounds of appeal
Dec 23, 2021
F3039 Attendance note about a phone conversation and continuation sheet
Dec 23, 2021
F3042 Dispatch of attendance note about a phone conversation
Dec 23, 2021
F3042 Dispatch of attendance note about a phone conversation
Dec 23, 2021
Letter accompanying subsequently filed items
Dec 23, 2021
Reply to a deficiency communication regarding an appeal
Dec 22, 2021
F3045 Inadmissibility of the appeal: missing address / missing name
Dec 22, 2021
F3204 Communication of the file number to the parties
Dec 22, 2021
F3204 Communication of the file number to the parties
Dec 16, 2021
(Electronic) Receipt
Dec 16, 2021
(Electronic) Receipt
Dec 16, 2021
Letter accompanying subsequently filed items
Dec 16, 2021
Notice of appeal
Oct 27, 2021
Advice of delivery
Oct 25, 2021
Annex to the communication - opposition
Oct 25, 2021
Decision of the Opposition Division and instruction
Oct 25, 2021
Druckexemplar in opposition procedure
Oct 25, 2021
Grounds for the decision (Annex) - opposition
Oct 25, 2021
Interlocutory decision in opposition proceedings
Oct 25, 2021
Interlocutory decision in opposition proceedings
Oct 25, 2021
Means of redress
Oct 25, 2021
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Oct 25, 2021
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Oct 25, 2021
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Oct 25, 2021
Provision of a copy of the minutes - opposition procedure
Oct 25, 2021
Provision of a copy of the minutes - opposition procedure
Oct 25, 2021
Transmittal of decision / summons - opposition
Oct 25, 2021
Transmittal of decision / summons - opposition
Sep 30, 2021
Information about the result of oral proceedings
Sep 2, 2021
Brief communication - Opposition proceedings
Aug 27, 2021
(Electronic) Receipt
Aug 27, 2021
Letter accompanying subsequently filed items
Aug 27, 2021
Written submission in preparation to/during oral proceedings
Jul 30, 2021
Brief communication - Opposition proceedings
Jul 27, 2021
(Electronic) Receipt
Jul 27, 2021
(Electronic) Receipt
Jul 27, 2021
(Electronic) Receipt
Jul 27, 2021
Auxiliary request during Opposition procedure
Jul 27, 2021
Auxiliary request during Opposition procedure
Jul 27, 2021
Auxiliary request during Opposition procedure
Jul 27, 2021
Auxiliary request during Opposition procedure
Jul 27, 2021
Auxiliary request during Opposition procedure - 01
Jul 27, 2021
Auxiliary request during Opposition procedure - 02
Jul 27, 2021
Auxiliary request during Opposition procedure - 03
Jul 27, 2021
Auxiliary request during Opposition procedure - 04
Jul 27, 2021
Letter accompanying subsequently filed items
Jul 27, 2021
Letter accompanying subsequently filed items
Jul 27, 2021
Letter accompanying subsequently filed items
Jul 27, 2021
Written submission in preparation to/during oral proceedings
Jul 27, 2021
Written submission in preparation to/during oral proceedings
Jul 26, 2021
Brief communication - Opposition proceedings
Jul 21, 2021
(Electronic) Receipt
Jul 21, 2021
Letter accompanying subsequently filed items
Jul 21, 2021
Written submission in preparation to/during oral proceedings
Jul 6, 2021
Brief communication - Opposition proceedings
Jun 30, 2021
(Electronic) Receipt
Jun 30, 2021
Letter accompanying subsequently filed items
Jun 30, 2021
Request for interpreters during oral proceedings
Jun 24, 2021
Notification concerning the date of oral proceedings
Jun 24, 2021
Notification concerning the date of oral proceedings
Feb 26, 2021
Advice of delivery
Feb 25, 2021
Annex to the communication - opposition
Feb 25, 2021
Information concerning oral proceedings
Feb 25, 2021
Summons to attend oral proceedings
Feb 25, 2021
Summons to attend oral proceedings
Feb 25, 2021
Transmittal of decision / summons - opposition
Feb 25, 2021
Transmittal of decision / summons - opposition
Jan 18, 2021
(Electronic) Receipt
Jan 18, 2021
Advice of delivery
Jan 18, 2021
Letter accompanying subsequently filed items
Jan 14, 2021
Annex to the communication - opposition
Jan 14, 2021
Information concerning oral proceedings
Jan 14, 2021
Summons to attend oral proceedings
Jan 14, 2021
Summons to attend oral proceedings
Jan 14, 2021
Transmittal of decision / summons - opposition
Jan 14, 2021
Transmittal of decision / summons - opposition
Oct 26, 2020
Brief communication - Opposition proceedings
Oct 16, 2020
(Electronic) Receipt
Oct 16, 2020
Letter accompanying subsequently filed items
Oct 16, 2020
Reply of the patent proprietor to the notice(s) of opposition
Jun 18, 2020
Communication of a notice of opposition and request to file observations
Jun 18, 2020
Notice of further oppositions to opponent(s)
May 12, 2020
Consolidated list of cited opposition documents
May 11, 2020
Communication of a notice of opposition - first information to patent proprietor
May 6, 2020
(Electronic) Receipt
May 6, 2020
Any annexes (other than citation) to an opposition letter
May 6, 2020
Citation in opposition procedure - 001
May 6, 2020
Citation in opposition procedure - 002
May 6, 2020
Citation in opposition procedure - 003
May 6, 2020
Citation in opposition procedure - 004
May 6, 2020
Citation in opposition procedure - 005
May 6, 2020
Notice of opposition
May 6, 2020
Notice of opposition
Aug 19, 2019
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Jul 11, 2019
Decision to grant a European patent
Jun 25, 2019
(Electronic) Receipt
Jun 25, 2019
Filing of the translations of the claims
Jun 25, 2019
French translation of claims
Jun 25, 2019
German translation of the claims
Jun 25, 2019
Letter accompanying subsequently filed items
Jun 17, 2019
Bibliographic data of the European patent application
Jun 17, 2019
Communication about intention to grant a European patent
Jun 17, 2019
Intention to grant (signatures)
Jun 17, 2019
Text intended for grant (clean copy)
Jun 17, 2019
Text intended for grant (version for approval)
May 27, 2019
Amended claims with annotations
May 27, 2019
Claims
May 27, 2019
Request for correction/amendment of the text proposed for grant sent from 01.04.2012
May 23, 2019
Amended claims with annotations
May 23, 2019
Claims
May 23, 2019
Request for correction/amendment of the text proposed for grant sent from 01.04.2012
Jan 17, 2019
Bibliographic data of the European patent application
Jan 17, 2019
Communication about intention to grant a European patent
Jan 17, 2019
Intention to grant (signatures)
Jan 17, 2019
Text intended for grant (clean copy)
Jan 17, 2019
Text intended for grant (version for approval)
Nov 19, 2018
Submission concerning representation
Sep 11, 2018
(Electronic) Receipt
Sep 11, 2018
Amended claims with annotations
Sep 11, 2018
Amended description with annotations
Sep 11, 2018
Claims
Sep 11, 2018
Description
Sep 11, 2018
Letter accompanying subsequently filed items
Sep 11, 2018
Reply to communication from the Examining Division
May 2, 2018
Annex to the communication
May 2, 2018
Communication from the Examining Division
Apr 20, 2016
Communication confirming withdrawal from representation
Apr 8, 2016
(Electronic) Receipt
Apr 8, 2016
Letter accompanying subsequently filed items
Apr 8, 2016
Submission concerning change of applicant's representative
Mar 14, 2016
(Electronic) Receipt
Mar 14, 2016
Claims
Mar 14, 2016
Letter accompanying subsequently filed items
Mar 14, 2016
Reply to communication from the Examining Division
Jan 8, 2016
Grant of extension of time limit (examination procedure)
Jan 4, 2016
(Electronic) Receipt
Jan 4, 2016
Letter accompanying subsequently filed items
Jan 4, 2016
Request for extension of time limit to communication from the Examining Division
Sep 2, 2015
Annex to the communication
Sep 2, 2015
Communication from the Examining Division
Oct 8, 2012
(Electronic) Receipt
Oct 8, 2012
Claims
Oct 8, 2012
Letter accompanying subsequently filed items
Oct 8, 2012
Reply to communication from the Examining Division
Aug 13, 2012
Request for extension of time limit to communication from the Examining Division
Aug 8, 2012
Grant of extension of time limit (examination procedure)
Aug 3, 2012
Request for extension of time limit to communication from the Examining Division
Mar 29, 2012
Annex to the communication
Mar 29, 2012
Communication from the Examining Division
Sep 19, 2011
Response to enquiry for communication from the Examining Division
Aug 29, 2011
Enquiry as to when a communication from the Examining Division can be expected
Aug 26, 2011
Enquiry as to when a communication from the Examining Division can be expected
Nov 10, 2009
CDS Clean up - amended data concerning the representative for the applicant
Jan 29, 2009
Claims
Jan 29, 2009
Reply to communication from the Examining Division
Jan 26, 2009
Claims
Jan 26, 2009
Cover sheet for fax transmission
Jan 26, 2009
Reply to communication from the Examining Division
Nov 14, 2008
Grant of extension of time limit (examination procedure)
Nov 14, 2008
Request for extension of time limit to communication from the Examining Division
Nov 10, 2008
Request for extension of time limit to communication from the Examining Division
Jul 17, 2008
Communication from the Examining Division
Jun 2, 2008
Letter concerning fees and payments
Feb 20, 2008
Communication of the registration of a transfer or change of name and/or address
Feb 11, 2008
Submission concerning a transfer of rights (applicant)
Dec 17, 2007
Reminder period for payment of examination fee/designation fee and correction of deficiencies in Written Opinion/amendment
Nov 14, 2007
Communication regarding the transmission of the European search report
Nov 14, 2007
European search opinion
Nov 14, 2007
European search report
Nov 15, 2006
Notification of forthcoming publication
Oct 17, 2006
Letter concerning the priority
Oct 17, 2006
Priority document
Sep 13, 2006
Letter relating to the automatic debiting procedure
Sep 1, 2006
Modified abstract
Jun 13, 2006
Abstract
Jun 13, 2006
Claims
Jun 13, 2006
Description
Jun 13, 2006
Designation of inventor
Jun 13, 2006
Drawings
Jun 13, 2006
Matter concerning the application
Jun 13, 2006
Payment of fees and costs
Jun 13, 2006
Request for grant of a European patent
Jun 6, 2006
Abstract
Jun 6, 2006
Claims
Jun 6, 2006
Description
Jun 6, 2006
Designation of inventor
Jun 6, 2006
Drawings
Jun 6, 2006
Matter concerning the application
Jun 6, 2006
Request for grant of a European patent

EP1731284

L & L PRODUCTS

Application Number: EP06011591A
Filing Date: Jun 6, 2006
Status: Granted And Under Opposition; Jul 5, 2019
Publication Date: Aug 7, 2019
External Links: Slate, Register , Google Patents

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Noise Reduction Member And System

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Dossier Documents

EP1731284