Battery-Operated Blower Filter System For Use In Potentially Explosive Areas

Patent No. EP2872224 (titled "Battery-Operated Blower Filter System For Use In Potentially Explosive Areas") was filed by Drger Safety on Jul 5, 2013. The application was issued on Sep 14, 2016.

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
3M INNOVATIVE PROPERTIES COMPANY	Jun 8, 2017	VOSSIUS & PARTNER PATENTANWALTE RECHTSANWALTE MBB

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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Jan 24, 2022
Termination of the opposition proceedings with revocation of patent
Dec 3, 2021
Advice of delivery
Nov 29, 2021
Decision of the Board of Appeal
Nov 29, 2021
F3032 Notification(s) of the decision
Nov 29, 2021
F3032 Notification(s) of the decision
Nov 22, 2021
F3013 Oral Proceedings: Forwarding minutes
Nov 22, 2021
F3013 Oral Proceedings: Forwarding minutes
Nov 22, 2021
F3316 Oral Proceedings: Minutes (Appellant: Opponent)
Sep 15, 2021
F3022 Oral proceedings: change of board composition
Sep 15, 2021
F3022 Oral proceedings: change of board composition
Sep 15, 2021
F3345 Forwarding of submissions to parties
Sep 10, 2021
(Electronic) Receipt
Sep 10, 2021
F3303.16 Change of composition of the Board (T)
Sep 10, 2021
Letter accompanying subsequently filed items
Sep 10, 2021
Letter dealing with oral proceedings during the appeal procedure
Sep 3, 2021
F3345 Forwarding of submissions to parties
Aug 31, 2021
Request for interpreters during oral proceedings
Aug 25, 2021
F3345 Forwarding of submissions to parties
Aug 24, 2021
F3345 Forwarding of submissions to parties
Aug 20, 2021
(Electronic) Receipt
Aug 20, 2021
Letter accompanying subsequently filed items
Aug 20, 2021
Request for interpreters during oral proceedings
Aug 19, 2021
(Electronic) Receipt
Aug 19, 2021
Letter accompanying subsequently filed items
Aug 19, 2021
Letter dealing with oral proceedings during the appeal procedure
Feb 17, 2021
Advice of delivery
Feb 16, 2021
Advice of delivery
Feb 15, 2021
F3011.1 Oral Proceedings: summons
Feb 15, 2021
F3011.1 Oral Proceedings: summons
Feb 10, 2021
F3010 Oral proceedings: order for summons
Feb 8, 2021
F3303.16 Change of composition of the Board (T)
Dec 1, 2020
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Dec 1, 2020
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Jul 26, 2020
Composition of the board (T)
Jul 20, 2020
F3345 Forwarding of submissions to parties
Jul 14, 2020
Letter relating to Appeal Procedure
Oct 15, 2019
F3345 Forwarding of submissions to parties
Oct 10, 2019
(Electronic) Receipt
Oct 10, 2019
Amended claims with annotations
Oct 10, 2019
Amended claims with annotations
Oct 10, 2019
Amended claims with annotations
Oct 10, 2019
Amended claims with annotations
Oct 10, 2019
Amended claims with annotations
Oct 10, 2019
Amended claims with annotations
Oct 10, 2019
Amended claims with annotations
Oct 10, 2019
Claims
Oct 10, 2019
Claims
Oct 10, 2019
Claims
Oct 10, 2019
Claims
Oct 10, 2019
Claims
Oct 10, 2019
Claims
Oct 10, 2019
Claims
Oct 10, 2019
Letter accompanying subsequently filed items
Oct 10, 2019
Non-Patent Literature cited during the appeal procedure
Oct 10, 2019
Reply to appeal
Aug 21, 2019
Advice of delivery
Aug 14, 2019
F3040 Term extension: Yes/No
Aug 14, 2019
F3040 Term extension: Yes/No
Aug 9, 2019
(Electronic) Receipt
Aug 9, 2019
Letter accompanying subsequently filed items
Aug 9, 2019
Request for extension of time limit
Apr 12, 2019
F3344 Setting time limit for reply/ file observations to appeal (inter partes)
Apr 5, 2019
Statement of grounds of appeal
Jan 18, 2019
F3204 Communication of the file number to the parties
Jan 18, 2019
F3204 Communication of the file number to the parties
Jan 10, 2019
(Electronic) Receipt
Jan 10, 2019
Letter accompanying subsequently filed items
Jan 10, 2019
Notice of appeal
Jan 10, 2019
Processing of an appeal
Jan 9, 2019
Notice of appeal
Dec 6, 2018
Advice of delivery
Dec 4, 2018
Advice of delivery
Dec 4, 2018
Advice of delivery
Dec 4, 2018
Means of redress
Dec 3, 2018
Advice of delivery
Nov 30, 2018
Annex to the communication - opposition
Nov 30, 2018
Decision of the Opposition Division and instruction
Nov 30, 2018
Druckexemplar in opposition procedure
Nov 30, 2018
Grounds for the decision (Annex) - opposition
Nov 30, 2018
Interlocutory decision in opposition proceedings
Nov 30, 2018
Internal form - Opposition/addressees
Nov 30, 2018
Internal form - Opposition/addressees
Nov 30, 2018
Means of redress
Nov 30, 2018
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Nov 30, 2018
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Nov 30, 2018
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Nov 30, 2018
Provision of a copy of the minutes - opposition procedure
Nov 30, 2018
Scanned annex to a communication - opposition procedure
Nov 30, 2018
Scanned annex to a communication - opposition procedure
Nov 13, 2018
Information about the result of oral proceedings
Nov 8, 2018
Brief communication - Opposition proceedings
Nov 8, 2018
Brief communication - Opposition proceedings
Nov 6, 2018
Brief communication - Opposition proceedings
Nov 5, 2018
(Electronic) Receipt
Nov 5, 2018
Written submission in preparation to/during oral proceedings
Nov 5, 2018
Written submission in preparation to/during oral proceedings
Sep 19, 2018
Brief communication - Opposition proceedings
Sep 19, 2018
Brief communication - Opposition proceedings
Sep 18, 2018
Amended claims with annotations
Sep 18, 2018
Amended claims with annotations
Sep 18, 2018
Amended claims with annotations
Sep 18, 2018
Amended claims with annotations
Sep 18, 2018
Amended claims with annotations
Sep 18, 2018
Amended claims with annotations
Sep 18, 2018
Amended claims with annotations
Sep 18, 2018
Amended claims with annotations
Sep 18, 2018
Amended claims with annotations
Sep 18, 2018
Amended claims with annotations
Sep 18, 2018
Claims
Sep 18, 2018
Claims
Sep 18, 2018
Claims
Sep 18, 2018
Claims
Sep 18, 2018
Claims
Sep 18, 2018
Claims
Sep 18, 2018
Claims
Sep 18, 2018
Claims
Sep 18, 2018
Claims
Sep 18, 2018
Claims
Sep 18, 2018
Letter regarding the opposition procedure (no time limit)
Sep 13, 2018
(Electronic) Receipt
Sep 13, 2018
Auxiliary request during Opposition procedure
Sep 13, 2018
Auxiliary request during Opposition procedure
Sep 13, 2018
Auxiliary request during Opposition procedure
Sep 13, 2018
Auxiliary request during Opposition procedure
Sep 13, 2018
Auxiliary request during Opposition procedure
Sep 13, 2018
Auxiliary request during Opposition procedure
Sep 13, 2018
Auxiliary request during Opposition procedure
Sep 13, 2018
Auxiliary request during Opposition procedure
Sep 13, 2018
Auxiliary request during Opposition procedure
Sep 13, 2018
Auxiliary request during Opposition procedure
Sep 13, 2018
Auxiliary request during Opposition procedure
Sep 13, 2018
Auxiliary request during Opposition procedure
Sep 13, 2018
Auxiliary request during Opposition procedure
Sep 13, 2018
Auxiliary request during Opposition procedure
Sep 13, 2018
Auxiliary request during Opposition procedure
Sep 13, 2018
Auxiliary request during Opposition procedure
Sep 13, 2018
Auxiliary request during Opposition procedure
Sep 13, 2018
Auxiliary request during Opposition procedure
Sep 13, 2018
Citation in opposition procedure
Sep 13, 2018
Letter accompanying subsequently filed items
Sep 13, 2018
Main request during Opposition procedure
Sep 13, 2018
Main request during Opposition procedure
Sep 13, 2018
Written submission in preparation to/during oral proceedings
Sep 13, 2018
Written submission in preparation to/during oral proceedings
Sep 12, 2018
Brief communication - Opposition proceedings
Sep 7, 2018
Request for interpreters during oral proceedings
Aug 22, 2018
Brief communication - Opposition proceedings
Aug 20, 2018
Request for interpreters during oral proceedings
Aug 17, 2018
Request for interpreters during oral proceedings
Jun 11, 2018
Brief communication - Opposition proceedings
Jun 11, 2018
Brief communication - Opposition proceedings
Jun 11, 2018
Communication of amended entries
May 29, 2018
Request for change of opponent's representative
Mar 19, 2018
Advice of delivery
Mar 1, 2018
Advice of delivery
Mar 1, 2018
Advice of delivery
Mar 1, 2018
Advice of delivery
Feb 23, 2018
Annex to the communication - opposition
Feb 23, 2018
Preparation for oral proceedings
Feb 21, 2018
Brief communication - Opposition proceedings
Feb 16, 2018
(Electronic) Receipt
Feb 16, 2018
Letter accompanying subsequently filed items
Feb 16, 2018
Request for interpreters during oral proceedings
Dec 4, 2017
Brief communication - Opposition proceedings
Nov 29, 2017
(Electronic) Receipt
Nov 29, 2017
Amended claims with annotations
Nov 29, 2017
Claims
Nov 29, 2017
Letter regarding the opposition procedure (no time limit)
Nov 29, 2017
Reply of the patent proprietor to the notice(s) of opposition
Jul 26, 2017
Submission concerning representation
Jul 21, 2017
Communication of a notice of opposition and request to file observations
Jul 21, 2017
Notice of further oppositions to opponent(s)
Jul 10, 2017
Communication concerning the filing of a power of attorney
Jul 10, 2017
Communication of amended entries concerning the representative
Jul 6, 2017
Brief communication - Opposition proceedings
Jun 27, 2017
Brief communication - Opposition proceedings
Jun 26, 2017
Submission concerning change of applicant's representative
Jun 22, 2017
(Electronic) Receipt
Jun 22, 2017
Letter accompanying subsequently filed items
Jun 22, 2017
Letter regarding the opposition procedure (no time limit)
Jun 12, 2017
Communication of a notice of opposition - first information to patent proprietor
Jun 12, 2017
Request for documents
Jun 8, 2017
(Electronic) Receipt
Jun 8, 2017
Any annexes (other than citation) to an opposition letter
Jun 8, 2017
Non-patent literature cited during the opposition procedure
Jun 8, 2017
Non-patent literature cited during the opposition procedure
Jun 8, 2017
Non-patent literature cited during the opposition procedure
Jun 8, 2017
Non-patent literature cited during the opposition procedure
Jun 8, 2017
Non-patent literature cited during the opposition procedure
Jun 8, 2017
Non-patent literature cited during the opposition procedure
Jun 8, 2017
Non-patent literature cited during the opposition procedure
Jun 8, 2017
Non-patent literature cited during the opposition procedure
Jun 8, 2017
Non-patent literature cited during the opposition procedure
Jun 8, 2017
Notice of opposition
Jun 8, 2017
Notice of opposition
Jun 8, 2017
Patent document cited during the opposition procedure
Jun 8, 2017
Patent document cited during the opposition procedure
Jun 8, 2017
Patent document cited during the opposition procedure
Jun 8, 2017
Patent document cited during the opposition procedure
Jun 8, 2017
Patent document cited during the opposition procedure
Jun 8, 2017
Patent document cited during the opposition procedure
Jun 8, 2017
Patent document cited during the opposition procedure
Sep 15, 2016
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Aug 19, 2016
Decision to grant a European patent
Jun 22, 2016
Filing of the translations of the claims
Jun 20, 2016
Filing of the translations of the claims
Jun 14, 2016
Bibliographic data of the European patent application
Jun 14, 2016
Communication about intention to grant a European patent
Jun 14, 2016
Intention to grant (signatures)
Jun 14, 2016
Text intended for grant (clean copy)
Jun 14, 2016
Text intended for grant (version for approval)
Jun 2, 2016
Processing of request for correction of text proposed for grant or third party observations (from 01-04-2012)
May 24, 2016
English translation of the claims
May 24, 2016
French translation of claims
May 24, 2016
Payment of fees and costs
May 24, 2016
Request for correction/amendment of the text proposed for grant sent from 01.04.2012
Mar 11, 2016
Bibliographic data of the European patent application
Mar 11, 2016
Communication about intention to grant a European patent
Mar 11, 2016
Intention to grant (signatures)
Mar 11, 2016
Text intended for grant (clean copy)
Mar 11, 2016
Text intended for grant (version for approval)
Feb 23, 2016
Examination started
Apr 22, 2015
Notification on forthcoming publication of bibliographic data
Apr 18, 2015
Reply to Written Opinion prepared by the EPO
Mar 4, 2015
Communication regarding comments on written opinion/amendment of application/payment of claims fee
Feb 13, 2015
Communication to designated inventor
Feb 13, 2015
Communication to designated inventor
Feb 13, 2015
Communication to designated inventor
Feb 13, 2015
Communication to designated inventor
Jan 28, 2015
Copy of the international preliminary report on patentability
Jan 16, 2015
Amended claims filed after receipt of (European) search report
Jan 16, 2015
Amended claims with annotations
Jan 16, 2015
Amendments received before examination
Jan 16, 2015
Payment of fees and costs
Jan 16, 2015
Priority search results
Jan 16, 2015
Request for entry into the European phase
Jan 13, 2015
Amended claims filed after receipt of (European) search report
Jan 13, 2015
Amended claims with annotations
Jan 13, 2015
Amendments received before examination
Jan 13, 2015
Payment of fees and costs
Jan 13, 2015
Payment of fees and costs
Jan 13, 2015
Priority search results
Jan 13, 2015
Request for entry into the European phase
Jan 8, 2015
Reminder for payment period (examination fee/designation fees)
Dec 24, 2014
Copy of the international search report
Dec 24, 2014
Copy of the international search report
Dec 24, 2014
International publication of the international search report
Nov 21, 2014
Information on entry into European phase
Nov 3, 2014
Written opinion of the ISA, boxes No. I to VIII
Nov 3, 2014
Written opinion of the ISA, cover sheet
Nov 3, 2014
Written opinion of the ISA, supplemental box
Feb 6, 2014
Priority document (electronically transmitted)
Jan 16, 2014
Published international application - A2
Jul 5, 2013
Abstract
Jul 5, 2013
Claims
Jul 5, 2013
Description
Jul 5, 2013
Drawings
Jul 5, 2013
Payment of fees and costs

EP2872224

DRGER SAFETY

Application Number: EP13734670A
Filing Date: Jul 5, 2013
Status: Revoked; Jan 24, 2022
Publication Date: Sep 14, 2016
External Links: Slate, Register , Google Patents

IP Verse

Battery-Operated Blower Filter System For Use In Potentially Explosive Areas

Patent Summary

Patent Family

Patent Oppositions

Dossier Documents

EP2872224