Redundant Input Pipe Networks In Aspirated Smoke Detectors

Patent No. EP2881922 (titled "Redundant Input Pipe Networks In Aspirated Smoke Detectors") was filed by Life Safety Distribution on Nov 17, 2014. The application was issued on May 21, 2025.

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
HEKATRON VERTRIEBS	Feb 28, 2020	-

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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Apr 25, 2025
Decision to maintain the European patent in amended form
Apr 25, 2025
Decision to maintain the European patent in amended form
Apr 17, 2025
(Electronic) Receipt
Apr 17, 2025
Filing of the translation of the amended claims
Apr 17, 2025
French translation of claims
Apr 17, 2025
German translation of the claims
Apr 17, 2025
Letter accompanying subsequently filed items
Feb 5, 2025
Communication to opponent concerning maintenance
Feb 5, 2025
Communication with request to file translations
Feb 5, 2025
Druckexemplar in opposition procedure
Jan 31, 2025
Maintenance of the patent with the documents specified in the final decision
Nov 27, 2024
Decision of the Board of Appeal
Nov 27, 2024
F3032 Notification(s) of the decision
Nov 27, 2024
F3032 Notification(s) of the decision
Oct 15, 2024
Annexes (other than cited documents) regarding appeal procedure
Oct 15, 2024
Annexes (other than cited documents) regarding appeal procedure
Oct 15, 2024
F3013 Oral Proceedings: Forwarding minutes
Oct 15, 2024
F3013 Oral Proceedings: Forwarding minutes
Oct 15, 2024
F3316 Oral Proceedings: Minutes (Appellant: Opponent)
Sep 27, 2024
(Electronic) Receipt
Sep 27, 2024
Letter accompanying subsequently filed items
Sep 20, 2024
(Electronic) Receipt
Sep 20, 2024
Letter accompanying subsequently filed items
Sep 16, 2024
F3345 Forwarding of submissions to parties
Sep 13, 2024
F3018 Oral proceedings: Confirmation interpreters
Sep 13, 2024
F3018 Oral proceedings: Confirmation interpreters
Sep 13, 2024
F3345 Forwarding of submissions to parties
Sep 10, 2024
(Electronic) Receipt
Sep 10, 2024
Letter accompanying subsequently filed items
Sep 10, 2024
Letter dealing with oral proceedings during the appeal procedure
Sep 9, 2024
(Electronic) Receipt
Sep 9, 2024
Letter accompanying subsequently filed items
Sep 9, 2024
Request for interpreters during oral proceedings
Jul 18, 2024
F3017 Oral Proceedings: Notification of cancellation/postponing
Jul 18, 2024
F3017 Oral Proceedings: Notification of cancellation/postponing
Jul 15, 2024
F3014 Oral Proceedings: Order cancelling/postponing
Jul 15, 2024
F3345 Forwarding of submissions to parties
Jul 9, 2024
(Electronic) Receipt
Jul 9, 2024
Letter accompanying subsequently filed items
Jul 9, 2024
Letter dealing with oral proceedings during the appeal procedure
May 21, 2024
F3011.2 Oral Proceedings: Summons VICO
May 21, 2024
F3011.2 Oral Proceedings: Summons VICO
May 21, 2024
F3350 Communication regarding oral proceedings (art. 15 Rules of Procedure of the Boards of Appeal)
May 15, 2024
F3010 Oral proceedings: order for summons
Jul 4, 2023
Composition of the board (T)
Mar 13, 2023
F3057 Communication: Change of responsibility of a Board of Appeal
Mar 13, 2023
F3057 Communication: Change of responsibility of a Board of Appeal
Feb 21, 2023
F3345 Forwarding of submissions to parties
Feb 15, 2023
(Electronic) Receipt
Feb 15, 2023
Letter accompanying subsequently filed items
Feb 15, 2023
Letter relating to Appeal Procedure
Oct 5, 2022
F3345 Forwarding of submissions to parties
Sep 26, 2022
(Electronic) Receipt
Sep 26, 2022
Auxiliary request during Opposition procedure
Sep 26, 2022
Auxiliary request during Opposition procedure
Sep 26, 2022
Auxiliary request during Opposition procedure
Sep 26, 2022
Auxiliary request during Opposition procedure
Sep 26, 2022
Auxiliary request during Opposition procedure
Sep 26, 2022
Auxiliary request during Opposition procedure - 01
Sep 26, 2022
Auxiliary request during Opposition procedure - 02
Sep 26, 2022
Auxiliary request during Opposition procedure - 03
Sep 26, 2022
Auxiliary request during Opposition procedure - 04
Sep 26, 2022
Auxiliary request during Opposition procedure - 05
Sep 26, 2022
Letter accompanying subsequently filed items
Sep 26, 2022
Main request during Opposition procedure
Sep 26, 2022
Reply to appeal
May 17, 2022
F3344 Setting time limit for reply/ file observations to appeal (inter partes)
May 12, 2022
(Electronic) Receipt
May 12, 2022
Letter accompanying subsequently filed items
May 12, 2022
Statement of grounds of appeal
Mar 28, 2022
F3204 Communication of the file number to the parties
Mar 28, 2022
F3204 Communication of the file number to the parties
Mar 22, 2022
(Electronic) Receipt
Mar 22, 2022
Letter accompanying subsequently filed items
Mar 22, 2022
Notice of appeal
Feb 9, 2022
Advice of delivery
Feb 9, 2022
Advice of delivery
Feb 3, 2022
Annex to the communication - opposition
Feb 3, 2022
Decision of the Opposition Division and instruction
Feb 3, 2022
Decision rejecting the opposition
Feb 3, 2022
Decision rejecting the opposition
Feb 3, 2022
Grounds for the decision (Annex) - opposition
Feb 3, 2022
Means of redress
Feb 3, 2022
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Feb 3, 2022
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Feb 3, 2022
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Feb 3, 2022
Provision of a copy of the minutes - opposition procedure
Feb 3, 2022
Provision of a copy of the minutes - opposition procedure
Feb 3, 2022
Scanned annex to a communication - opposition procedure
Feb 3, 2022
Transmittal of decision / summons - opposition
Feb 3, 2022
Transmittal of decision / summons - opposition
Sep 15, 2021
Information about the result of oral proceedings
Sep 9, 2021
(Electronic) Receipt
Jul 23, 2021
Brief communication - Opposition proceedings
Jul 23, 2021
Brief communication - Opposition proceedings
Jul 15, 2021
(Electronic) Receipt
Jul 15, 2021
(Electronic) Receipt
Jul 15, 2021
Auxiliary request during Opposition procedure
Jul 15, 2021
Auxiliary request during Opposition procedure
Jul 15, 2021
Auxiliary request during Opposition procedure
Jul 15, 2021
Auxiliary request during Opposition procedure
Jul 15, 2021
Auxiliary request during Opposition procedure
Jul 15, 2021
Auxiliary request during Opposition procedure - 01
Jul 15, 2021
Auxiliary request during Opposition procedure - 02
Jul 15, 2021
Auxiliary request during Opposition procedure - 03
Jul 15, 2021
Auxiliary request during Opposition procedure - 04
Jul 15, 2021
Auxiliary request during Opposition procedure - 05
Jul 15, 2021
Citation in opposition procedure - 006
Jul 15, 2021
Citation in opposition procedure - 006
Jul 15, 2021
Citation in opposition procedure - 006
Jul 15, 2021
Consolidated list of cited opposition documents
Jul 15, 2021
Letter accompanying subsequently filed items
Jul 15, 2021
Letter accompanying subsequently filed items
Jul 15, 2021
Main request during Opposition procedure
Jul 15, 2021
Written submission in preparation to/during oral proceedings
Jul 15, 2021
Written submission in preparation to/during oral proceedings
Jun 11, 2021
(Electronic) Receipt
Mar 23, 2021
Notification concerning the date of oral proceedings
Mar 23, 2021
Notification concerning the date of oral proceedings
Nov 2, 2020
(Electronic) Receipt
Nov 2, 2020
Advice of delivery
Nov 2, 2020
Letter accompanying subsequently filed items
Oct 23, 2020
Communication about missing advice of delivery
Sep 23, 2020
Brief communication - Opposition proceedings
Sep 22, 2020
Advice of delivery
Sep 18, 2020
(Electronic) Receipt
Sep 18, 2020
Annex to the communication - opposition
Sep 18, 2020
Information concerning oral proceedings
Sep 18, 2020
Letter accompanying subsequently filed items
Sep 18, 2020
Summons to attend oral proceedings
Sep 18, 2020
Summons to attend oral proceedings
Sep 18, 2020
Written submission in preparation to/during oral proceedings
Jul 28, 2020
Brief communication - Opposition proceedings
Jul 22, 2020
(Electronic) Receipt
Jul 22, 2020
Letter accompanying subsequently filed items
Jul 22, 2020
Reply of the patent proprietor to the notice(s) of opposition
Mar 17, 2020
Communication of a notice of opposition and request to file observations
Mar 17, 2020
Notice of further oppositions to opponent(s)
Mar 5, 2020
Communication of a notice of opposition - first information to patent proprietor
Feb 28, 2020
(Electronic) Receipt
Feb 28, 2020
Citation in opposition procedure - 001
Feb 28, 2020
Citation in opposition procedure - 002
Feb 28, 2020
Citation in opposition procedure - 003
Feb 28, 2020
Citation in opposition procedure - 004
Feb 28, 2020
Citation in opposition procedure - 005
Feb 28, 2020
Citation in opposition procedure - 006
Feb 28, 2020
Notice of opposition
Feb 28, 2020
Notice of opposition
Jun 11, 2019
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
May 3, 2019
Decision to grant a European patent
Apr 17, 2019
(Electronic) Receipt
Apr 17, 2019
Filing of the translations of the claims
Apr 17, 2019
French translation of claims
Apr 17, 2019
German translation of the claims
Apr 17, 2019
Letter accompanying subsequently filed items
Jan 9, 2019
Bibliographic data of the European patent application
Jan 9, 2019
Communication about intention to grant a European patent
Jan 9, 2019
Intention to grant (signatures)
Jan 9, 2019
Text intended for grant (clean copy)
Jan 9, 2019
Text intended for grant (version for approval)
Jan 4, 2019
Annex to a communication
Jan 4, 2019
Annex to the communication
Jan 4, 2019
Minutes of the oral proceedings (examining division)
Jan 4, 2019
Minutes of the oral proceedings (examining division)
Jan 4, 2019
Minutes of the oral proceedings (examining division)
Jan 4, 2019
Provision of a copy of the minutes of oral proceedings
Oct 30, 2018
(Electronic) Receipt
Oct 30, 2018
Amended claims with annotations
Oct 30, 2018
Claims
Oct 30, 2018
General authorisation
Oct 30, 2018
Letter accompanying subsequently filed items
Oct 30, 2018
Written submission in preparation to/during oral proceedings
Oct 30, 2018
Written submission in preparation to/during oral proceedings
Jul 16, 2018
Advice of delivery
Jul 11, 2018
Acknowledgement of a document
Jul 11, 2018
Annex to the communication
Jul 11, 2018
Preparation for oral proceedings
Jul 11, 2018
Summons to attend oral proceedings
Oct 31, 2017
(Electronic) Receipt
Oct 31, 2017
Amended claims with annotations
Oct 31, 2017
Claims
Oct 31, 2017
Letter accompanying subsequently filed items
Oct 31, 2017
Reply to communication from the Examining Division
Jul 27, 2017
Annex to the communication
Jul 27, 2017
Communication from the Examining Division
Jul 20, 2017
Examination started
Apr 18, 2017
Notification regarding date of start of examination with possibility to withdraw
Sep 1, 2015
(Electronic) Receipt
Sep 1, 2015
Amended claims filed after receipt of (European) search report
Sep 1, 2015
Amended claims with annotations
Sep 1, 2015
Amended description filed after receipt of (European) search report
Sep 1, 2015
Amended description with annotations
Sep 1, 2015
Amendments received before examination
Sep 1, 2015
Letter accompanying subsequently filed items
Jun 18, 2015
(Electronic) Receipt
Jun 18, 2015
Letter accompanying subsequently filed items
Jun 18, 2015
Maintenance of the application
Jun 15, 2015
Invitation to confirm maintenance of the application and to correct deficiencies in the Written Opinion/amend application
May 13, 2015
Notification of forthcoming publication
Apr 30, 2015
Communication regarding the transmission of the European search report
Apr 30, 2015
European search opinion
Apr 30, 2015
European search report
Apr 17, 2015
Search started
Jan 23, 2015
Confirmation of receipt of (electronically) transmitted priority document
Jan 19, 2015
Priority document (electronically transmitted)
Jan 12, 2015
Communication of the registration of a transfer or change of name and/or address
Jan 9, 2015
Communication to designated inventor
Jan 9, 2015
Communication to designated inventor
Dec 24, 2014
(Electronic) Receipt
Dec 24, 2014
Annexes in respect of a client data request
Dec 24, 2014
Letter accompanying subsequently filed items
Dec 24, 2014
Submission concerning a transfer of rights (applicant)
Nov 17, 2014
Abstract
Nov 17, 2014
Acknowledgement of receipt of electronic submission of the request for grant of a European patent
Nov 17, 2014
Claims
Nov 17, 2014
Description
Nov 17, 2014
Designation of inventor
Nov 17, 2014
Designation of inventor
Nov 17, 2014
Drawings
Nov 17, 2014
Request for grant of a European patent

EP2881922

LIFE SAFETY DISTRIBUTION

Application Number: EP14193553A
Filing Date: Nov 17, 2014
Status: Patent Maintained As Amended; Apr 18, 2025
Publication Date: May 21, 2025
External Links: Slate, EP2881922B2, Google Patents

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Redundant Input Pipe Networks In Aspirated Smoke Detectors

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Dossier Documents

EP2881922