Method For Controlling The Volume Flow Of A Ventilator

Patent No. EP2511617 (titled "Method For Controlling The Volume Flow Of A Ventilator") was filed by Zehnder Group on Apr 8, 2011. The application was issued on Aug 20, 2014.

Patent Family

Statuses, jurisdictions and citation links are shared on request.

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
STIEBEL ELTRON	May 20, 2015	EISENFUHR SPEISER

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

Apr 7, 2021
Communication to the parties concerning the termination of the opposition proceedings (opponent)
Apr 7, 2021
Communication to the parties concerning the termination of the opposition proceedings (proprietor)
Mar 31, 2021
Termination of the opposition proceedings with maintenance of patent
Dec 22, 2020
Advice of delivery
Dec 18, 2020
Decision to discontinue the opposition proceedings
Dec 18, 2020
Transmittal of decision / summons - opposition
Aug 7, 2020
Advice of delivery
Aug 4, 2020
Decision of the Board of Appeal
Aug 4, 2020
F3032 Notification(s) of the decision
Jul 24, 2020
F3936 Acknowledgement of receipt Board of Appeal
Jul 24, 2020
Refund of fees
Jul 23, 2020
F3936 Acknowledgement of receipt Board of Appeal
Jul 20, 2020
F3017 Oral Proceedings: Notification of cancellation/postponing
Jul 20, 2020
F3017 Oral Proceedings: Notification of cancellation/postponing
Jul 20, 2020
F3348 Confirmation of withdrawal of the opposition by the respondent and former opponent
Jul 20, 2020
F3348 Confirmation of withdrawal of the opposition by the respondent and former opponent
Jul 17, 2020
F3345 Forwarding of submissions to parties
Jul 15, 2020
(Electronic) Receipt
Jul 15, 2020
F3014 Oral Proceedings: Order cancelling/postponing
Jul 15, 2020
Withdrawal of an opposition
Jul 15, 2020
Withdrawal of an opposition
Jul 15, 2020
Written submission in preparation to/during oral proceedings
Jul 14, 2020
(Electronic) Receipt
Jul 14, 2020
F3345 Forwarding of submissions to parties
Jul 14, 2020
Letter accompanying subsequently filed items
Jul 14, 2020
Withdrawal of a request for oral proceedings
Jun 19, 2020
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Jun 19, 2020
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Jun 16, 2020
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
May 18, 2020
F3345 Forwarding of submissions to parties
May 13, 2020
(Electronic) Receipt
May 13, 2020
Letter accompanying subsequently filed items
May 13, 2020
Request for interpreters during oral proceedings
Oct 23, 2019
Advice of delivery
Oct 23, 2019
F3936 Acknowledgement of receipt Board of Appeal
Oct 21, 2019
Advice of delivery
Oct 18, 2019
F3936 Acknowledgement of receipt Board of Appeal
Oct 15, 2019
F3011.1 Oral Proceedings: summons
Oct 15, 2019
F3011.1 Oral Proceedings: summons
Oct 15, 2019
F3350 Communication regarding oral proceedings (art. 15 Rules of Procedure of the Boards of Appeal)
Oct 10, 2019
F3010 Oral proceedings: order for summons
Oct 7, 2019
F3303.16 Change of composition of the Board (T)
Jun 3, 2019
F3303.16 Change of composition of the Board (T)
Jun 7, 2018
Composition of the board (T)
May 2, 2018
F3345 Forwarding of submissions to parties
Apr 25, 2018
(Electronic) Receipt
Apr 25, 2018
Letter accompanying subsequently filed items
Apr 25, 2018
Letter relating to Appeal Procedure
Oct 27, 2017
Submission concerning representation
Sep 25, 2017
F3345 Forwarding of submissions to parties
Sep 19, 2017
(Electronic) Receipt
Sep 19, 2017
Letter accompanying subsequently filed items
Sep 19, 2017
Reply to appeal
Jun 8, 2017
Submission concerning representation
May 10, 2017
F3344 Setting time limit for reply/ file observations to appeal (inter partes)
May 2, 2017
(Electronic) Receipt
May 2, 2017
Amended claims with annotations
May 2, 2017
Claims
May 2, 2017
Letter accompanying subsequently filed items
May 2, 2017
Statement of grounds of appeal
Jan 20, 2017
F3204 Communication of the file number to the parties
Jan 16, 2017
(Electronic) Receipt
Jan 16, 2017
Letter accompanying subsequently filed items
Jan 16, 2017
Notice of appeal
Jan 16, 2017
Processing of an appeal
Jan 3, 2017
Advice of delivery
Jan 2, 2017
Advice of delivery
Dec 28, 2016
Advice of delivery
Dec 27, 2016
Advice of delivery
Dec 23, 2016
Acknowledgement of a document
Dec 23, 2016
Acknowledgement of a document
Dec 23, 2016
Annex to the communication - opposition
Dec 23, 2016
Decision of the Opposition Division and instruction
Dec 23, 2016
Decision revoking the European patent
Dec 23, 2016
Grounds for the decision (Annex) - opposition
Dec 23, 2016
Internal form - Opposition/addressees
Dec 23, 2016
Internal form - Opposition/addressees
Dec 23, 2016
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Dec 23, 2016
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Dec 23, 2016
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Dec 23, 2016
Provision of a copy of the minutes - opposition procedure
Oct 18, 2016
Communication of amended entries
Oct 14, 2016
Brief communication - Opposition proceedings
Oct 10, 2016
(Electronic) Receipt
Oct 10, 2016
Citation in opposition procedure
Oct 10, 2016
Citation in opposition procedure
Oct 10, 2016
Citation in opposition procedure
Oct 10, 2016
Citation in opposition procedure
Oct 10, 2016
Letter accompanying subsequently filed items
Oct 10, 2016
Written submission in preparation to/during oral proceedings
Aug 26, 2016
Brief communication - Opposition proceedings
Aug 24, 2016
Request for interpreters during oral proceedings
Aug 23, 2016
Request for interpreters during oral proceedings
Jul 4, 2016
Brief communication - Opposition proceedings
Jun 29, 2016
Request for interpreters during oral proceedings
Jun 25, 2016
Advice of delivery
Jun 22, 2016
Advice of delivery
Jun 20, 2016
Advice of delivery
Jun 20, 2016
Advice of delivery
Jun 17, 2016
Acknowledgement of a document
Jun 17, 2016
Acknowledgement of a document
Jun 17, 2016
Annex to the communication - opposition
Jun 17, 2016
Information concerning oral proceedings
Jun 17, 2016
Preparation for oral proceedings
Jun 17, 2016
Summons to attend oral proceedings
Jun 17, 2016
Summons to attend oral proceedings
Feb 2, 2016
CDS Clean up - amended data concerning the representative of the applicant (Association)
Dec 14, 2015
Brief communication - Opposition proceedings
Dec 4, 2015
Reply of the patent proprietor to the notice(s) of opposition
Oct 27, 2015
Brief communication - Opposition proceedings
Oct 27, 2015
Grant of extension of time limit (opposition procedure)
Oct 16, 2015
Request for extension of time limit
Jun 26, 2015
Communication of a notice of opposition and request to file observations
Jun 26, 2015
Notice of further oppositions to opponent(s)
May 29, 2015
Communication of a notice of opposition - first information to patent proprietor
May 20, 2015
(Electronic) Receipt
May 20, 2015
Any annexes (other than citation) to an opposition letter
May 20, 2015
Notice of opposition
May 20, 2015
Notice of opposition
May 20, 2015
Patent document cited during the opposition procedure
May 20, 2015
Patent document cited during the opposition procedure
May 20, 2015
Patent document cited during the opposition procedure
May 20, 2015
Patent document cited during the opposition procedure
Aug 22, 2014
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Jul 24, 2014
Decision to grant a European patent
Jul 5, 2014
English translation of the claims
Jul 5, 2014
Filing of the translations of the claims
Jul 5, 2014
French translation of claims
Jul 5, 2014
Payment of fees and costs
May 30, 2014
Communication of the registration of a transfer or change of name and/or address
May 23, 2014
Annexes in respect of a client data request
May 20, 2014
Payment of fees and costs
May 20, 2014
Submission concerning a transfer of rights (applicant)
May 13, 2014
Bibliographic data of the European patent application
May 13, 2014
Communication about intention to grant a European patent
May 13, 2014
Intention to grant (signatures)
May 13, 2014
Text intended for grant
Oct 2, 2013
Examination started
Apr 26, 2013
Payment of fees and costs
Apr 11, 2013
Information relating to the filing of a voluntary divisional application
Oct 22, 2012
Information about publication, reminder payment of designation fee, response to extended European search report, if applicable
Oct 17, 2012
Notice on debiting of fees
Sep 26, 2012
Letter concerning fees and payments
Sep 19, 2012
Notification of forthcoming publication
Sep 18, 2012
Refund of fees
Aug 16, 2012
Communication regarding the transmission of the European search report
Aug 16, 2012
European search opinion
Aug 16, 2012
European search report
Aug 13, 2012
Communication to designated inventor
Aug 13, 2012
Communication to designated inventor
Aug 13, 2012
Communication to designated inventor
Jul 9, 2012
Designation of inventor
Jul 9, 2012
Letter concerning the inventor
Jun 20, 2012
Abstract
Jun 20, 2012
Acknowledgement of receipt of electronic submission of the request for grant of a European patent
Jun 20, 2012
Claims
Jun 20, 2012
Description
Jun 20, 2012
Request for grant of a European patent

EP2511617

ZEHNDER GROUP

Application Number: EP12172716A
Filing Date: Apr 8, 2011
Status: Granted And Under Opposition; Dec 22, 2016
Publication Date: Aug 20, 2014
External Links: Slate, Register , Google Patents

IP Verse

Method For Controlling The Volume Flow Of A Ventilator

Patent Summary

Patent Family

Patent Oppositions

Dossier Documents

EP2511617