Heat Exchanger

Patent No. EP1557631 (titled "Heat Exchanger") was filed by Calsonic Kansei on Jan 19, 2005. The application was issued on Dec 3, 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
MAHLE	Sep 1, 2015	GRAUEL

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

Jan 6, 2022
Termination of the opposition proceedings with revocation of patent
Jan 3, 2022
F3936 Acknowledgement of receipt Board of Appeal
Jan 3, 2022
Refund of fees
Dec 22, 2021
F3017 Oral Proceedings: Notification of cancellation/postponing
Dec 22, 2021
F3017 Oral Proceedings: Notification of cancellation/postponing
Dec 22, 2021
F3324 Closure of the appeal proceedings: withdrawal of the appeal/ application/ opposition
Dec 22, 2021
F3324 Closure of the appeal proceedings: withdrawal of the appeal/ application/ opposition
Dec 17, 2021
F3014 Oral Proceedings: Order cancelling/postponing
Dec 16, 2021
(Electronic) Receipt
Dec 16, 2021
Letter accompanying subsequently filed items
Dec 16, 2021
Withdrawal of an appeal
May 27, 2021
F3345 Forwarding of submissions to parties
May 20, 2021
(Electronic) Receipt
May 20, 2021
Letter accompanying subsequently filed items
May 20, 2021
Request for interpreters during oral proceedings
May 12, 2021
Advice of delivery
May 12, 2021
Advice of delivery
May 4, 2021
F3011.1 Oral Proceedings: summons
May 4, 2021
F3011.1 Oral Proceedings: summons
May 4, 2021
F3350 Communication regarding oral proceedings (art. 15 Rules of Procedure of the Boards of Appeal)
Apr 29, 2021
F3010 Oral proceedings: order for summons
Feb 15, 2021
F3303.16 Change of composition of the Board (T)
Oct 2, 2018
Composition of the board (T)
May 2, 2018
F3345 Forwarding of submissions to parties
Apr 23, 2018
(Electronic) Receipt
Apr 23, 2018
Letter accompanying subsequently filed items
Apr 23, 2018
Reply to appeal
Dec 18, 2017
Advice of delivery
Dec 11, 2017
F3344 Setting time limit for reply/ file observations to appeal (inter partes)
Dec 4, 2017
Statement of grounds of appeal
Nov 24, 2017
F3204 Communication of the file number to the parties
Nov 24, 2017
F3204 Communication of the file number to the parties
Oct 11, 2017
Processing of an appeal
Sep 29, 2017
Notice of appeal
Sep 29, 2017
Payment of fees and costs
Aug 10, 2017
Advice of delivery
Aug 10, 2017
Advice of delivery
Jul 28, 2017
Advice of delivery
Jul 27, 2017
Advice of delivery
Jul 24, 2017
Acknowledgement of a document
Jul 24, 2017
Acknowledgement of a document
Jul 24, 2017
Annex to the communication - opposition
Jul 24, 2017
Decision of the Opposition Division and instruction
Jul 24, 2017
Decision revoking the European patent
Jul 24, 2017
Grounds for the decision (Annex) - opposition
Jul 24, 2017
Internal form - Opposition/addressees
Jul 24, 2017
Internal form - Opposition/addressees
Jul 24, 2017
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Jul 24, 2017
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Jul 24, 2017
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Jul 24, 2017
Provision of a copy of the minutes - opposition procedure
Jul 24, 2017
Scanned annex to a communication - opposition procedure
Jun 23, 2017
Information about the result of oral proceedings
May 29, 2017
Brief communication - Opposition proceedings
May 22, 2017
(Electronic) Receipt
May 22, 2017
Letter regarding the opposition procedure (no time limit)
May 22, 2017
Notice of opposition
May 22, 2017
Patent document cited during the opposition procedure
May 22, 2017
Patent document cited during the opposition procedure
Apr 28, 2017
Brief communication - Opposition proceedings
Apr 20, 2017
Request for interpreters during oral proceedings
Mar 31, 2017
Brief communication - Opposition proceedings
Mar 23, 2017
(Electronic) Receipt
Mar 23, 2017
Letter accompanying subsequently filed items
Mar 23, 2017
Request for interpreters during oral proceedings
Jan 10, 2017
Advice of delivery
Jan 10, 2017
Advice of delivery
Dec 14, 2016
Advice of delivery
Dec 13, 2016
Advice of delivery
Dec 9, 2016
Acknowledgement of a document
Dec 9, 2016
Acknowledgement of a document
Dec 9, 2016
Annex to the communication - opposition
Dec 9, 2016
Information concerning oral proceedings
Dec 9, 2016
Information concerning oral proceedings
Dec 9, 2016
Summons to attend oral proceedings
Dec 9, 2016
Summons to attend oral proceedings
Dec 1, 2016
Preparation for oral proceedings
Mar 1, 2016
Brief communication - Opposition proceedings
Feb 23, 2016
Non-patent literature cited during the opposition procedure
Feb 23, 2016
Non-patent literature cited during the opposition procedure
Feb 23, 2016
Reply of the patent proprietor to the notice(s) of opposition
Jan 20, 2016
Brief communication - Opposition proceedings
Jan 20, 2016
Communication of amended entries
Dec 23, 2015
Request concerning representative opponent
Oct 13, 2015
Communication of a notice of opposition and request to file observations
Oct 13, 2015
Notice of further oppositions to opponent(s)
Sep 10, 2015
Communication of a notice of opposition - first information to patent proprietor
Sep 1, 2015
(Electronic) Receipt
Sep 1, 2015
Any annexes (other than citation) to an opposition letter
Sep 1, 2015
Filing of a new opposition
Sep 1, 2015
Non-patent literature cited during the opposition procedure
Sep 1, 2015
Notice of opposition
Sep 1, 2015
Patent document cited during the opposition procedure
Sep 1, 2015
Patent document cited during the opposition procedure
Sep 1, 2015
Patent document cited during the opposition procedure
Sep 1, 2015
Patent document cited during the opposition procedure
Sep 1, 2015
Patent document cited during the opposition procedure
Sep 1, 2015
Patent document cited during the opposition procedure
Sep 1, 2015
Patent document cited during the opposition procedure
Sep 1, 2015
Patent document cited during the opposition procedure
Sep 1, 2015
Patent document cited during the opposition procedure
Sep 1, 2015
Patent document cited during the opposition procedure
Sep 1, 2015
Patent document cited during the opposition procedure
Sep 1, 2015
Patent document cited during the opposition procedure
Feb 24, 2015
Submission concerning representation
Dec 3, 2014
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Nov 6, 2014
Decision to grant a European patent
Oct 24, 2014
Filing of the translations of the claims
Oct 24, 2014
French translation of claims
Oct 24, 2014
German translation of the claims
Oct 24, 2014
Payment of fees and costs
Oct 6, 2014
Communication of the registration of a transfer or change of name and/or address
Sep 26, 2014
Submission concerning change of applicant's address
Jun 30, 2014
Bibliographic data of the European patent application
Jun 30, 2014
Communication about intention to grant a European patent
Jun 30, 2014
Intention to grant (signatures)
Jun 30, 2014
Text intended for grant
Jun 20, 2013
Amended claims with annotations
Jun 20, 2013
Claims
Jun 20, 2013
Description
Jun 20, 2013
Reply to communication from the Examining Division
Feb 22, 2013
Annex to the communication
Feb 22, 2013
Communication from the Examining Division
Nov 28, 2012
Final instructions (loss of partial rights)
Aug 16, 2012
Designation deemed to be withdrawn (non payment of designation fees)
Jun 5, 2012
Letter concerning fees and payments
May 25, 2012
Amended claims filed after receipt of (European) search report
May 25, 2012
Amended claims with annotations
May 25, 2012
Amendments received before examination
Jan 9, 2012
Reminder period for payment of examination fee/designation fee and correction of deficiencies in Written Opinion/amendment
Dec 5, 2011
Communication regarding the transmission of the European search report
Dec 5, 2011
European search report
Jun 7, 2011
Communication regarding the transmission of the European search report
Jun 7, 2011
Partial European search report
Apr 11, 2008
Submission concerning representation
Nov 23, 2007
Confirmation of receipt of (electronically) transmitted priority document
Jun 15, 2005
Notification of forthcoming publication
Apr 27, 2005
Modified abstract
Feb 28, 2005
Priority document (electronically transmitted)
Feb 28, 2005
Priority document (electronically transmitted)
Feb 28, 2005
Priority document (electronically transmitted)
Jan 19, 2005
Abstract
Jan 19, 2005
Claims
Jan 19, 2005
Description
Jan 19, 2005
Designation of inventor
Jan 19, 2005
Drawings
Jan 19, 2005
Request for grant of a European patent

EP1557631

CALSONIC KANSEI

Application Number: EP05001033A
Filing Date: Jan 19, 2005
Status: Revoked; Jan 7, 2022
Publication Date: Dec 3, 2014
External Links: Slate, Register , Google Patents

IP Verse

Heat Exchanger

Patent Summary

Patent Family

Patent Oppositions

Dossier Documents

EP1557631