Electric Continuous-Flow Heaters

Patent No. EP2489952 (titled "Electric Continuous-Flow Heaters") was filed by Gerdes OHG on Feb 21, 2011. The application was issued on Nov 11, 2020.

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	Mar 7, 2018	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

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Oct 15, 2020
Decision to maintain the European patent in amended form
Oct 15, 2020
Decision to maintain the European patent in amended form
Oct 9, 2020
Termination of the opposition proceedings with maintenance of patent
Oct 1, 2020
(Electronic) Receipt
Oct 1, 2020
English translation of the claims
Oct 1, 2020
Filing of the translation of the amended claims
Oct 1, 2020
French translation of claims
Oct 1, 2020
Letter accompanying subsequently filed items
Jul 7, 2020
Maintenance of the patent with the documents specified in the final decision
Mar 5, 2020
Advice of delivery
Mar 2, 2020
Advice of delivery
Feb 26, 2020
Annex to the communication - opposition
Feb 26, 2020
Decision of the Opposition Division and instruction
Feb 26, 2020
Druckexemplar in opposition procedure
Feb 26, 2020
Grounds for the decision (Annex) - opposition
Feb 26, 2020
Interlocutory decision in opposition proceedings
Feb 26, 2020
Internal form - Opposition/addressees
Feb 26, 2020
Internal form - Opposition/addressees
Feb 26, 2020
Means of redress
Feb 26, 2020
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Feb 26, 2020
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Feb 26, 2020
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Feb 26, 2020
Provision of a copy of the minutes - opposition procedure
Feb 26, 2020
Scanned annex to a communication - opposition procedure
Feb 26, 2020
Scanned annex to a communication - opposition procedure
Jan 23, 2020
Information about the result of oral proceedings
Nov 27, 2019
Brief communication - Opposition proceedings
Nov 22, 2019
(Electronic) Receipt
Nov 22, 2019
Letter accompanying subsequently filed items
Nov 22, 2019
Letter regarding the opposition procedure (no time limit)
Nov 12, 2019
Brief communication - Opposition proceedings
Nov 7, 2019
Request for interpreters during oral proceedings
Jun 26, 2019
Advice of delivery
Jun 24, 2019
Advice of delivery
Jun 24, 2019
Advice of delivery
Jun 21, 2019
Advice of delivery
Jun 14, 2019
Annex to the communication - opposition
Jun 14, 2019
Information concerning oral proceedings
Jun 14, 2019
Summons to attend oral proceedings
Jun 14, 2019
Summons to attend oral proceedings
Feb 18, 2019
Brief communication - Opposition proceedings
Feb 13, 2019
(Electronic) Receipt
Feb 13, 2019
Letter accompanying subsequently filed items
Feb 13, 2019
Non-patent literature cited during the opposition procedure
Feb 13, 2019
Non-patent literature cited during the opposition procedure
Feb 13, 2019
Non-patent literature cited during the opposition procedure
Feb 13, 2019
Non-patent literature cited during the opposition procedure
Feb 13, 2019
Non-patent literature cited during the opposition procedure
Feb 13, 2019
Non-patent literature cited during the opposition procedure
Feb 13, 2019
Reply to an examination report in opposition proceedings
Dec 3, 2018
Annex to the communication - opposition
Dec 3, 2018
Communication inviting the parties to file observations
Dec 3, 2018
Communication inviting the parties to file observations
Dec 3, 2018
Internal form - Opposition/addressees
Aug 3, 2018
Brief communication - Opposition proceedings
Jul 30, 2018
(Electronic) Receipt
Jul 30, 2018
Amended claims with annotations
Jul 30, 2018
Amended claims with annotations
Jul 30, 2018
Amended claims with annotations
Jul 30, 2018
Amended claims with annotations
Jul 30, 2018
Claims
Jul 30, 2018
Claims
Jul 30, 2018
Claims
Jul 30, 2018
Claims
Jul 30, 2018
Letter accompanying subsequently filed items
Jul 30, 2018
Reply of the patent proprietor to the notice(s) of opposition
Mar 19, 2018
Communication of a notice of opposition and request to file observations
Mar 19, 2018
Notice of further oppositions to opponent(s)
Mar 13, 2018
Communication of a notice of opposition - first information to patent proprietor
Mar 7, 2018
(Electronic) Receipt
Mar 7, 2018
Any annexes (other than citation) to an opposition letter
Mar 7, 2018
Non-patent literature cited during the opposition procedure
Mar 7, 2018
Non-patent literature cited during the opposition procedure
Mar 7, 2018
Non-patent literature cited during the opposition procedure
Mar 7, 2018
Non-patent literature cited during the opposition procedure
Mar 7, 2018
Notice of opposition
Mar 7, 2018
Notice of opposition
Mar 7, 2018
Patent document cited during the examination procedure
Mar 7, 2018
Patent document cited during the opposition procedure
Mar 7, 2018
Patent document cited during the opposition procedure
Mar 7, 2018
Patent document cited during the opposition procedure
Mar 7, 2018
Patent document cited during the opposition procedure
Mar 7, 2018
Patent document cited during the opposition procedure
Mar 7, 2018
Patent document cited during the opposition procedure
Mar 7, 2018
Patent document cited during the opposition procedure
Jun 7, 2017
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
May 11, 2017
Decision to grant a European patent
Apr 28, 2017
(Electronic) Receipt
Apr 28, 2017
English translation of the claims
Apr 28, 2017
Filing of the translations of the claims
Apr 28, 2017
French translation of claims
Apr 28, 2017
Letter accompanying subsequently filed items
Feb 23, 2017
CDS Clean up - amended data concerning the representative of the applicant (Association)
Feb 14, 2017
Submission concerning representation
Dec 20, 2016
Bibliographic data of the European patent application
Dec 20, 2016
Communication about intention to grant a European patent
Dec 20, 2016
Intention to grant (signatures)
Dec 20, 2016
Text intended for grant
Oct 18, 2016
Examination started
Nov 17, 2015
Response to enquiry for communication from the Examining Division
Nov 12, 2015
Enquiry as to when a communication from the Examining Division can be expected
Feb 20, 2013
(Electronic) Receipt
Feb 20, 2013
Amended claims filed after receipt of (European) search report
Feb 20, 2013
Amended claims with annotations
Feb 20, 2013
Amended description with annotations
Feb 20, 2013
Amendments received before examination
Feb 20, 2013
Letter accompanying subsequently filed items
Feb 20, 2013
Non-patent literature cited during the examination procedure
Aug 27, 2012
Reminder period for payment of examination fee/designation fee and correction of deficiencies in Written Opinion/amendment
Jul 25, 2012
Notification of forthcoming publication
Jan 13, 2012
Communication of amended entries concerning the representative
Jan 3, 2012
Submission concerning change of applicant's representative
Aug 8, 2011
Communication regarding the transmission of the European search report
Aug 8, 2011
European search opinion
Aug 8, 2011
European search report
Feb 21, 2011
Abstract
Feb 21, 2011
Acknowledgement of receipt of electronic submission of the request for grant of a European patent
Feb 21, 2011
Claims
Feb 21, 2011
Description
Feb 21, 2011
Designation of inventor
Feb 21, 2011
Drawings
Feb 21, 2011
Request for grant of a European patent

EP2489952

GERDES OHG

Application Number: EP11155220A
Filing Date: Feb 21, 2011
Status: Patent Maintained As Amended; Oct 9, 2020
Publication Date: Nov 11, 2020
External Links: Slate, Register , Google Patents

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Electric Continuous-Flow Heaters

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Dossier Documents

EP2489952