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System Comprising Air-To-Air-Heat Exchanger For Heat Recovery And Method For Controlling Defrosting Thereof - EP2546581

The patent EP2546581 was granted to IV Produkt on Aug 30, 2017. The application was originally filed on Jul 13, 2012 under application number EP12176432A. The patent is currently recorded with a legal status of "Opposition Rejected".

EP2546581

IV PRODUKT

Application Number: EP12176432A
Filing Date: Jul 13, 2012
Status: Opposition Rejected; Dec 8, 2023
Grant Date: Aug 30, 2017
External Links: Slate, Register, Google Patents

Patent Summary

Patent Family

Patent Oppositions (2)

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	Opposition Status
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SWEGON FLAKTGROUP SWEDEN	May 29, 2018	WESTPATENT	ADMISSIBLE
SWEGON FLAKTGROUP SWEDEN	May 29, 2018	WESTPATENT AB	ADMISSIBLE

Patent Citations (10) New

Patent citations refer to prior patents cited during different phases such as opposition or international search.

Citation Phase	Publication Number	Publication Link
DESCRIPTION	DE102008038938
DESCRIPTION	SE463944
OPPOSITION	DE102008038938
OPPOSITION	DE202005013250U
OPPOSITION	DE3030778
OPPOSITION	SE463944
SEARCH	DE102008038938
SEARCH	DE202005013250U
SEARCH	SE463944
SEARCH	WO0122021

Non-Patent Literature (NPL) Citations (6) New

NPL citations refer to non-patent references such as research papers, articles, or other publications cited during examination or opposition phases.

Citation Phase	Reference Text	Link
OPPOSITION	- "EURC Plate heat exchanger, Installation, 4069", FLÄKT WOODS, (20030000), pages 1 - 2, XP055494044	-
OPPOSITION	- "EURC Plate heat exchanger, Maintenance , 3173", FLÄKT WOODS, (20030000), pages 1 - 2, XP055494042	-
OPPOSITION	- "index and chapter 15", Teknisk Handbok - Luftbehandlingsteknologi, (20090000), page 124, XP055494037	-
OPPOSITION	- "Installation and maintenance EQRC Plate heat exchanger 8647 GB", flakt woods, (20110100), pages 1 - 3, XP003035401	-
OTHER	- "PLATE HEAT EXCHANGER BASIC DESIGN:INSTALLATION AND MAINTENANCE INSTRUCTION", FLÄKT WOODS, (201101), pages 1 - 3, XP003035401	-
OTHER	- "TEKNISK HANDBOK: LUFTBEHANDLINGSTEKNOLOGI", FLÄKT WOODS, pages 0-6,116 - 128, URL: HTTP://WWW.FLAKTWOODS.SE/0/0/2/4293030B-BD15-4DAD-9904-D9A0217086FA, XP003035200	-

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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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Dec 11, 2023
Refund of fees
Search/Exam
Dec 4, 2023
F3017 Oral Proceedings: Notification of cancellation/postponing
Appeal
Dec 4, 2023
F3017 Oral Proceedings: Notification of cancellation/postponing
Appeal
Dec 4, 2023
F3324 Closure of the appeal proceedings: withdrawal of the appeal/ application/ opposition
Appeal
Dec 4, 2023
F3324 Closure of the appeal proceedings: withdrawal of the appeal/ application/ opposition
Appeal
Dec 1, 2023
(Electronic) Receipt
Appeal
Dec 1, 2023
F3014 Oral Proceedings: Order cancelling/postponing
Appeal
Dec 1, 2023
Letter accompanying subsequently filed items
Appeal
Dec 1, 2023
Withdrawal of an appeal
Appeal
Nov 29, 2023
F3345 Forwarding of submissions to parties
Appeal
Nov 28, 2023
(Electronic) Receipt
Appeal
Nov 28, 2023
Letter accompanying subsequently filed items
Appeal
Nov 28, 2023
Letter dealing with oral proceedings during the appeal procedure
Appeal
Oct 30, 2023
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Appeal
Oct 30, 2023
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Appeal
Oct 12, 2023
F3004 Communication of the Registry
Appeal
Oct 12, 2023
F3004 Communication of the Registry
Appeal
Aug 4, 2023
F3011.1 Oral Proceedings: summons
Appeal
Aug 4, 2023
F3011.1 Oral Proceedings: summons
Appeal
Aug 1, 2023
F3010 Oral proceedings: order for summons
Appeal
Mar 12, 2022
Composition of the board (T)
Appeal
Feb 3, 2022
Document concerning representation
Appeal
Feb 3, 2022
Document concerning representation
Appeal
Feb 3, 2022
Document concerning representation
Appeal
Feb 3, 2022
Document concerning representation
Appeal
Dec 15, 2021
F3345 Forwarding of submissions to parties
Appeal
Dec 8, 2021
(Electronic) Receipt
Appeal
Dec 8, 2021
Letter accompanying subsequently filed items
Appeal
Dec 8, 2021
Letter relating to Appeal Procedure
Appeal
Aug 24, 2021
Consolidated list of documents cited in appeal procedure
Appeal
Jun 9, 2021
Letter accompanying subsequently filed items
Appeal
Jun 9, 2021
Request for change of opponent's representative
Appeal
Jun 1, 2021
F3345 Forwarding of submissions to parties
Appeal
May 26, 2021
(Electronic) Receipt
Appeal
May 26, 2021
Letter accompanying subsequently filed items
Appeal
May 26, 2021
Reply to appeal
Appeal
Jan 22, 2021
F3344 Setting time limit for reply/ file observations to appeal (inter partes)
Appeal
Jan 18, 2021
(Electronic) Receipt
Appeal
Jan 18, 2021
Citation in appeal procedure - 001
Appeal
Jan 18, 2021
Citation in appeal procedure - 001
Appeal
Jan 18, 2021
Citation in appeal procedure - 002
Appeal
Jan 18, 2021
Citation in appeal procedure - 003
Appeal
Jan 18, 2021
Citation in appeal procedure - 004
Appeal
Jan 18, 2021
Citation in appeal procedure - 005
Appeal
Jan 18, 2021
Citation in appeal procedure - 006
Appeal
Jan 18, 2021
Citation in appeal procedure - 006
Appeal
Jan 18, 2021
Citation in appeal procedure - 007
Appeal
Jan 18, 2021
Citation in appeal procedure - 008
Appeal
Jan 18, 2021
Citation in appeal procedure - 009
Appeal
Jan 18, 2021
Citation in appeal procedure - 010
Appeal
Jan 18, 2021
Citation in appeal procedure - 011
Appeal
Jan 18, 2021
Letter accompanying subsequently filed items
Appeal
Jan 18, 2021
Statement of grounds of appeal
Appeal
Nov 23, 2020
F3204 Communication of the file number to the parties
Appeal
Nov 23, 2020
F3204 Communication of the file number to the parties
Appeal
Nov 17, 2020
(Electronic) Receipt
Appeal
Nov 17, 2020
Letter accompanying subsequently filed items
Appeal
Nov 17, 2020
Notice of appeal
Appeal
Oct 1, 2020
Advice of delivery
OPPO
Sep 29, 2020
Advice of delivery
OPPO
Sep 18, 2020
Annex to the communication - opposition
OPPO
Sep 18, 2020
Decision of the Opposition Division and instruction
OPPO
Sep 18, 2020
Decision rejecting the opposition
OPPO
Sep 18, 2020
Grounds for the decision (Annex) - opposition
OPPO
Sep 18, 2020
Internal form - Opposition/addressees
OPPO
Sep 18, 2020
Internal form - Opposition/addressees
OPPO
Sep 18, 2020
Means of redress
OPPO
Sep 18, 2020
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
OPPO
Sep 18, 2020
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
OPPO
Sep 18, 2020
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
OPPO
Sep 18, 2020
Provision of a copy of the minutes - opposition procedure
OPPO
May 3, 2020
General enquiry
OPPO
Jan 29, 2020
Information about the result of oral proceedings
OPPO
Jan 27, 2020
Brief communication - Opposition proceedings
OPPO
Jan 22, 2020
(Electronic) Receipt
OPPO
Jan 22, 2020
Letter accompanying subsequently filed items
OPPO
Jan 22, 2020
Written submission in preparation to/during oral proceedings
OPPO
Jan 8, 2020
Brief communication - Opposition proceedings
OPPO
Dec 23, 2019
(Electronic) Receipt
OPPO
Dec 23, 2019
Letter accompanying subsequently filed items
OPPO
Dec 23, 2019
Written submission in preparation to/during oral proceedings
OPPO
Dec 4, 2019
Brief communication - Opposition proceedings
OPPO
Dec 4, 2019
Brief communication - Opposition proceedings
OPPO
Nov 28, 2019
(Electronic) Receipt
OPPO
Nov 28, 2019
(Electronic) Receipt
OPPO
Nov 28, 2019
Amended claims with annotations
OPPO
Nov 28, 2019
Amended claims with annotations
OPPO
Nov 28, 2019
Amended claims with annotations
OPPO
Nov 28, 2019
Amended claims with annotations
OPPO
Nov 28, 2019
Amended claims with annotations
OPPO
Nov 28, 2019
Amended claims with annotations
OPPO
Nov 28, 2019
Amended claims with annotations
OPPO
Nov 28, 2019
Auxiliary request during Opposition procedure
OPPO
Nov 28, 2019
Auxiliary request during Opposition procedure
OPPO
Nov 28, 2019
Auxiliary request during Opposition procedure
OPPO
Nov 28, 2019
Auxiliary request during Opposition procedure
OPPO
Nov 28, 2019
Auxiliary request during Opposition procedure
OPPO
Nov 28, 2019
Auxiliary request during Opposition procedure
OPPO
Nov 28, 2019
Auxiliary request during Opposition procedure
OPPO
Nov 28, 2019
Letter accompanying subsequently filed items
OPPO
Nov 28, 2019
Non-patent literature cited during the opposition procedure
OPPO
Nov 28, 2019
Non-patent literature cited during the opposition procedure
OPPO
Nov 28, 2019
Non-patent literature cited during the opposition procedure
OPPO
Nov 28, 2019
Non-patent literature cited during the opposition procedure
OPPO
Nov 28, 2019
Non-patent literature cited during the opposition procedure
OPPO
Nov 28, 2019
Non-patent literature cited during the opposition procedure
OPPO
Nov 28, 2019
Non-patent literature cited during the opposition procedure
OPPO
Nov 28, 2019
Non-patent literature cited during the opposition procedure
OPPO
Nov 28, 2019
Non-patent literature cited during the opposition procedure
OPPO
Nov 28, 2019
Non-patent literature cited during the opposition procedure
OPPO
Nov 28, 2019
Non-patent literature cited during the opposition procedure
OPPO
Nov 28, 2019
Request for interpreters during oral proceedings
OPPO
Nov 28, 2019
Written submission in preparation to/during oral proceedings
OPPO
Nov 28, 2019
Written submission in preparation to/during oral proceedings
OPPO
Apr 15, 2019
Advice of delivery
OPPO
Apr 15, 2019
Advice of delivery
OPPO
Apr 9, 2019
Advice of delivery
OPPO
Apr 9, 2019
Advice of delivery
OPPO
Apr 2, 2019
Annex to the communication - opposition
OPPO
Apr 2, 2019
Information concerning oral proceedings
OPPO
Apr 2, 2019
Summons to attend oral proceedings
OPPO
Apr 2, 2019
Summons to attend oral proceedings
OPPO
Nov 2, 2018
Brief communication - Opposition proceedings
OPPO
Oct 26, 2018
(Electronic) Receipt
OPPO
Oct 26, 2018
Letter accompanying subsequently filed items
OPPO
Oct 26, 2018
Reply of the patent proprietor to the notice(s) of opposition
OPPO
Jun 18, 2018
Communication of a notice of opposition and request to file observations
OPPO
Jun 18, 2018
Notice of further oppositions to opponent(s)
OPPO
Jun 13, 2018
Refund of fees
OPPO
Jun 11, 2018
Communication of a notice of opposition - first information to patent proprietor
OPPO
May 29, 2018
(Electronic) Receipt
OPPO
May 29, 2018
Any annexes (other than citation) to an opposition letter
OPPO
May 29, 2018
Non-patent literature cited during the opposition procedure
OPPO
May 29, 2018
Non-patent literature cited during the opposition procedure
OPPO
May 29, 2018
Non-patent literature cited during the opposition procedure
OPPO
May 29, 2018
Non-patent literature cited during the opposition procedure
OPPO
May 29, 2018
Non-patent literature cited during the opposition procedure
OPPO
May 29, 2018
Notice of opposition
OPPO
May 29, 2018
Notice of opposition
OPPO
May 29, 2018
Patent document cited during the examination procedure
OPPO
May 29, 2018
Patent document cited during the examination procedure
OPPO
May 29, 2018
Patent document cited during the examination procedure
OPPO
May 29, 2018
Patent document cited during the opposition procedure
OPPO
May 29, 2018
Translation of the evidence during Opposition procedure
OPPO
May 17, 2018
Submission concerning representation
OPPO
Aug 31, 2017
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Search/Exam
Aug 3, 2017
Decision to grant a European patent
Search/Exam
Jun 7, 2017
(Electronic) Receipt
Search/Exam
Jun 7, 2017
Filing of the translations of the claims
Search/Exam
Jun 7, 2017
French translation of claims
Search/Exam
Jun 7, 2017
German translation of the claims
Search/Exam
Jun 7, 2017
Letter accompanying subsequently filed items
Search/Exam
Mar 2, 2017
Bibliographic data of the European patent application
Search/Exam
Mar 2, 2017
Communication about intention to grant a European patent
Search/Exam
Mar 2, 2017
Intention to grant (signatures)
Search/Exam
Mar 2, 2017
Text intended for grant (clean copy)
Search/Exam
Mar 2, 2017
Text intended for grant (version for approval)
Search/Exam
Feb 3, 2017
Examination started
Search/Exam
Dec 4, 2015
Communication of amended entries concerning the representative
Search/Exam
Nov 30, 2015
Submission concerning change of applicant's representative
Search/Exam
Aug 25, 2014
Acknowledgement of receipt of third party observations
Search/Exam
Aug 25, 2014
Transmittal of third party observations to applicant
Search/Exam
Aug 16, 2014
Non-patent literature cited during the examination procedure
Search/Exam
Aug 16, 2014
Non-patent literature cited during the examination procedure
Search/Exam
Aug 16, 2014
Non-patent literature cited during the examination procedure
Search/Exam
Aug 16, 2014
Observations by third parties
Search/Exam
Jul 16, 2013
(Electronic) Receipt
Search/Exam
Jul 16, 2013
Amended claims filed after receipt of (European) search report
Search/Exam
Jul 16, 2013
Amended claims with annotations
Search/Exam
Jul 16, 2013
Amended description filed after receipt of (European) search report
Search/Exam
Jul 16, 2013
Amendments received before examination
Search/Exam
Jul 16, 2013
Letter accompanying subsequently filed items
Search/Exam
Jan 21, 2013
Reminder period for payment of examination fee/designation fee and correction of deficiencies in Written Opinion/amendment
Search/Exam
Dec 19, 2012
Notification of forthcoming publication
Search/Exam
Oct 9, 2012
Communication regarding the transmission of the European search report
Search/Exam
Oct 9, 2012
European search opinion
Search/Exam
Oct 9, 2012
European search report
Search/Exam
Sep 6, 2012
Letter concerning the priority
Search/Exam
Sep 6, 2012
Priority document
Search/Exam
Sep 5, 2012
Communication to designated inventor
Search/Exam
Sep 5, 2012
Communication to designated inventor
Search/Exam
Aug 28, 2012
(Electronic) Receipt
Search/Exam
Aug 28, 2012
Cover letter for submission of priority search results
Search/Exam
Aug 28, 2012
Letter accompanying subsequently filed items
Search/Exam
Aug 28, 2012
Priority search results
Search/Exam
Aug 24, 2012
(Electronic) Receipt
Search/Exam
Aug 24, 2012
Abstract
Search/Exam
Aug 24, 2012
Claims
Search/Exam
Aug 24, 2012
Description
Search/Exam
Aug 24, 2012
Letter accompanying subsequently filed items
Search/Exam
Jul 13, 2012
Acknowledgement of receipt of electronic submission of the request for grant of a European patent
Search/Exam
Jul 13, 2012
Designation of inventor
Search/Exam
Jul 13, 2012
Designation of inventor
Search/Exam
Jul 13, 2012
Drawings
Search/Exam
Jul 13, 2012
Request for grant of a European patent
Search/Exam
Jul 13, 2012
Specification filed by fax and/or in non-official language
Search/Exam