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Device, Method And Electro-Acoustic System For Prolonging The Reverberation Period

Patent No. EP2754151 (titled "Device, Method And Electro-Acoustic System For Prolonging The Reverberation Period") was filed by Fraunhofer Gesellschaft ZUR Frderung DER Angewandten Forschung EV on Aug 23, 2012. The application was issued on Oct 31, 2018.

Patent Summary

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Patent Oppositions

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
DOSTERSCHILL	Oct 6, 2016	SCHAFER

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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Oct 15, 2018
Refund of fees
Oct 5, 2018
Decision to maintain the European patent in amended form
Oct 5, 2018
Decision to maintain the European patent in amended form
Oct 4, 2018
Termination of the opposition proceedings with maintenance of patent
Sep 24, 2018
(Electronic) Receipt
Sep 24, 2018
English translation of the claims
Sep 24, 2018
Filing of the translation of the amended claims
Sep 24, 2018
French translation of claims
Sep 24, 2018
Letter accompanying subsequently filed items
Aug 27, 2018
Communication of bibliographic data
Aug 27, 2018
Communication to opponent concerning maintenance
Aug 27, 2018
Communication with request to file translations
Aug 21, 2018
Maintenance of the patent with the documents specified in the final decision
Aug 14, 2018
Maintenance of the patent with the documents specified in the final decision
Aug 7, 2018
F3324 Closure of the appeal proceedings: withdrawal of the appeal/ application/ opposition
Aug 7, 2018
F3324 Closure of the appeal proceedings: withdrawal of the appeal/ application/ opposition
Aug 1, 2018
(Electronic) Receipt
Aug 1, 2018
Composition of the board (T)
Aug 1, 2018
Letter accompanying subsequently filed items
Aug 1, 2018
Withdrawal of an appeal
Jul 3, 2018
F3204 Communication of the file number to the parties
Jun 28, 2018
Processing of an appeal
Jun 26, 2018
(Electronic) Receipt
Jun 26, 2018
Letter accompanying subsequently filed items
Jun 26, 2018
Notice of appeal
May 23, 2018
Advice of delivery
May 23, 2018
Advice of delivery
May 3, 2018
Advice of delivery
Apr 23, 2018
Acknowledgement of a document
Apr 19, 2018
Acknowledgement of a document
Apr 19, 2018
Acknowledgement of a document
Apr 19, 2018
Annex to the communication - opposition
Apr 19, 2018
Decision of the Opposition Division and instruction
Apr 19, 2018
Decision of the Opposition Division and instruction
Apr 19, 2018
Druckexemplar in opposition procedure
Apr 19, 2018
Grounds for the decision (Annex) - opposition
Apr 19, 2018
Interlocutory decision in opposition proceedings
Apr 19, 2018
Internal form - Opposition/addressees
Apr 19, 2018
Internal form - Opposition/addressees
Apr 19, 2018
Means of redress
Apr 19, 2018
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Apr 19, 2018
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Apr 19, 2018
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Apr 19, 2018
Provision of a copy of the minutes - opposition procedure
Apr 19, 2018
Provision of a copy of the minutes - opposition procedure
Apr 19, 2018
Scanned annex to a communication - opposition procedure
Mar 15, 2018
Information about the result of oral proceedings
Mar 15, 2018
Letter regarding the opposition procedure (no time limit)
Mar 14, 2018
(Electronic) Receipt
Mar 14, 2018
Letter accompanying subsequently filed items
Mar 14, 2018
Letter dealing with oral proceedings
Mar 2, 2018
(Electronic) Receipt
Mar 2, 2018
Letter accompanying subsequently filed items
Mar 2, 2018
Letter regarding the opposition procedure (no time limit)
Feb 28, 2018
Notification concerning the date of oral proceedings
Feb 28, 2018
Notification concerning the date of oral proceedings
Feb 26, 2018
(Electronic) Receipt
Feb 26, 2018
Letter accompanying subsequently filed items
Feb 26, 2018
Request for extension of time limit
Jan 17, 2018
Brief communication - Opposition proceedings
Jan 17, 2018
Communication of amended entries
Jan 16, 2018
Brief communication - Opposition proceedings
Jan 5, 2018
(Electronic) Receipt
Jan 5, 2018
Any annexes (other than citation) to an opposition letter
Jan 5, 2018
Authorisation
Jan 5, 2018
Letter accompanying subsequently filed items
Jan 5, 2018
Letter regarding the opposition procedure (no time limit)
Dec 15, 2017
Brief communication - Opposition proceedings
Dec 14, 2017
(Electronic) Receipt
Dec 14, 2017
Amended claims with annotations
Dec 14, 2017
Amended claims with annotations
Dec 14, 2017
Amended claims with annotations
Dec 14, 2017
Any annexes (other than citation) to an opposition letter
Dec 14, 2017
Claims
Dec 14, 2017
Claims
Dec 14, 2017
Claims
Dec 14, 2017
Letter regarding the opposition procedure (no time limit)
Aug 10, 2017
Advice of delivery
Aug 3, 2017
Advice of delivery
Jul 25, 2017
Acknowledgement of a document
Jul 24, 2017
Acknowledgement of a document
Jul 20, 2017
Acknowledgement of a document
Jul 20, 2017
Acknowledgement of a document
Jul 20, 2017
Summons to attend oral proceedings
Jul 20, 2017
Summons to attend oral proceedings
Jul 18, 2017
Annex to the communication - opposition
Jul 11, 2017
Preparation for oral proceedings
Mar 17, 2017
Brief communication - Opposition proceedings
Mar 13, 2017
(Electronic) Receipt
Mar 13, 2017
Letter accompanying subsequently filed items
Mar 13, 2017
Reply of the patent proprietor to the notice(s) of opposition
Nov 15, 2016
Communication of a notice of opposition and request to file observations
Nov 15, 2016
Notice of further oppositions to opponent(s)
Oct 19, 2016
Communication of a notice of opposition - first information to patent proprietor
Oct 6, 2016
Non-patent literature cited during the opposition procedure
Oct 6, 2016
Non-patent literature cited during the opposition procedure
Oct 6, 2016
Non-patent literature cited during the opposition procedure
Oct 6, 2016
Non-patent literature cited during the opposition procedure
Oct 6, 2016
Non-patent literature cited during the opposition procedure
Oct 6, 2016
Non-patent literature cited during the opposition procedure
Oct 6, 2016
Notice of opposition
Oct 6, 2016
Notice of opposition
Oct 6, 2016
Patent document cited during the opposition procedure
Oct 6, 2016
Patent document cited during the opposition procedure
Oct 6, 2016
Patent document cited during the opposition procedure
Oct 6, 2016
Patent document cited during the opposition procedure
Oct 6, 2016
Patent document cited during the opposition procedure
Oct 6, 2016
Patent document cited during the opposition procedure
Oct 6, 2016
Payment of fees and costs
Jan 21, 2016
Annexes in respect of a client data request
Jan 6, 2016
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Dec 10, 2015
Decision to grant a European patent
Nov 4, 2015
(Electronic) Receipt
Nov 4, 2015
English translation of the claims
Nov 4, 2015
Filing of the translations of the claims
Nov 4, 2015
French translation of claims
Nov 4, 2015
Letter accompanying subsequently filed items
Jul 30, 2015
(Electronic) Receipt
Jul 30, 2015
Letter accompanying subsequently filed items
Jun 30, 2015
Bibliographic data of the European patent application
Jun 30, 2015
Communication about intention to grant a European patent
Jun 30, 2015
Intention to grant (signatures)
Jun 30, 2015
Text intended for grant
Jun 3, 2015
Examination started
Feb 17, 2015
(Electronic) Receipt
Feb 17, 2015
Letter accompanying subsequently filed items
Feb 17, 2015
Priority search results
Feb 17, 2015
Reply to invitation to file a copy of priority search results
Jan 22, 2015
Submission concerning representation
Jan 21, 2015
Submission concerning representation
Jan 7, 2015
Invitation to file a copy of search results(priority)
Jun 24, 2014
(Electronic) Receipt
Jun 24, 2014
Letter accompanying subsequently filed items
Jun 18, 2014
Notification on forthcoming publication of bibliographic data
May 27, 2014
(Electronic) Receipt
May 27, 2014
Letter accompanying subsequently filed items
May 27, 2014
Maintenance of the application
May 8, 2014
Communication regarding comments on written opinion/amendment of application/payment of claims fee
Apr 11, 2014
Communication to designated inventor
Mar 18, 2014
Annexes to the international preliminary examination report
Mar 18, 2014
CDS Clean up - amended data concerning the representative for the applicant
Mar 18, 2014
Copy of the international preliminary examination report
Feb 26, 2014
(Electronic) Receipt
Feb 26, 2014
Request for entry into the European phase
Feb 26, 2014
Submission concerning representation
Jan 17, 2014
Information on entry into European phase
Dec 19, 2013
Annex to International preliminary examination report
Dec 19, 2013
International preliminary examination report
Dec 19, 2013
International preliminary examination report - free text sheet
Dec 19, 2013
International preliminary examination report - points I-VIII
Dec 19, 2013
Transmittal of International Preliminary Examination Report
Dec 18, 2013
Letter regarding PCTII procedure
Aug 15, 2013
Notification of election of EPO
Jul 11, 2013
Notification of receipt of demand
Jul 4, 2013
PCT demand form
Jul 4, 2013
PCT(IPEA): Amended sheet - claims
Jul 4, 2013
PCT(IPEA): Amended sheet - claims
Jul 4, 2013
PCT(IPEA): Amended sheet - description
Jul 4, 2013
PCT(IPEA): Amended sheet - description
Jul 4, 2013
Payment of fees and costs
Apr 3, 2013
Priority document (electronically transmitted)
Apr 3, 2013
Priority document (electronically transmitted)
Mar 14, 2013
Copy of the international search report
Mar 14, 2013
Copy of the international search report
Mar 14, 2013
Published international application - A1
Dec 6, 2012
Written opinion of the ISA, boxes No. I to VIII
Dec 6, 2012
Written opinion of the ISA, cover sheet
Dec 6, 2012
Written opinion of the ISA, supplemental box
Aug 23, 2012
(Electronic) Receipt
Aug 23, 2012
Abstract
Aug 23, 2012
Claims
Aug 23, 2012
Description
Aug 23, 2012
Drawings

EP2754151

FRAUNHOFER GESELLSCHAFT ZUR FRDERUNG DER ANGEWANDTEN FORSCHUNG EV

Application Number: EP12756411A
Filing Date: Aug 23, 2012
Status: Patent Maintained As Amended; Sep 28, 2018
Publication Date: Oct 31, 2018
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