Heat / Enthalpy Exchanger Element And Method For The Production

Patent No. EP3022508 (titled "Heat / Enthalpy Exchanger Element And Method For The Production") was filed by Westwind on Jul 11, 2014. The application was issued on Aug 4, 2021.

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
ZEHNDER GROUP	Oct 9, 2020	RENTSCH PARTNER

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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Jul 8, 2021
Decision to maintain the European patent in amended form
Jul 8, 2021
Decision to maintain the European patent in amended form
Jul 2, 2021
Termination of the opposition proceedings with maintenance of patent
Jun 28, 2021
(Electronic) Receipt
Jun 28, 2021
Filing of the translation of the amended claims
Jun 28, 2021
French translation of claims
Jun 28, 2021
German translation of the claims
Jun 28, 2021
Letter accompanying subsequently filed items
Apr 15, 2021
Communication of bibliographic data
Apr 15, 2021
Communication to opponent concerning maintenance
Apr 15, 2021
Communication with request to file translations
Apr 15, 2021
Druckexemplar in opposition procedure
Apr 9, 2021
Maintenance of the patent with the documents specified in the final decision
Nov 9, 2020
Advice of delivery
Nov 9, 2020
Advice of delivery
Nov 5, 2020
Acknowledgement of a document
Nov 5, 2020
Acknowledgement of a document
Nov 5, 2020
Grounds for the decision (Annex) - opposition
Nov 5, 2020
Interlocutory decision in opposition proceedings
Nov 5, 2020
Interlocutory decision in opposition proceedings
Nov 5, 2020
Means of redress
Nov 2, 2020
Annex to a communication
Nov 2, 2020
Annex to a communication
Nov 2, 2020
Annex to a communication
Nov 2, 2020
Decision of the Opposition Division and instruction
Oct 16, 2020
Brief communication - Opposition proceedings
Oct 16, 2020
Communication concerning the filing of a power of attorney
Oct 16, 2020
Communication of amended entries
Oct 9, 2020
(Electronic) Receipt
Oct 9, 2020
Letter accompanying subsequently filed items
Oct 9, 2020
Submission concerning change of applicant's representative
Aug 26, 2020
Brief communication - Opposition proceedings
Aug 19, 2020
Reply to an examination report in opposition proceedings
Jul 14, 2020
Annex to the communication - opposition
Jul 14, 2020
Communication inviting the parties to file observations
Jul 14, 2020
Communication inviting the parties to file observations
Jul 14, 2020
Communication inviting the parties to file observations
Jul 14, 2020
Internal form - Opposition/addressees
Jul 9, 2020
Communication inviting the parties to file observations
Jul 9, 2020
Scanned annex to a communication - opposition procedure
Jul 9, 2020
Scanned annex to a communication - opposition procedure
Jun 8, 2020
Brief communication - Opposition proceedings
Jun 3, 2020
Notification concerning the date of oral proceedings
Jun 3, 2020
Notification concerning the date of oral proceedings
May 29, 2020
(Electronic) Receipt
May 29, 2020
(Partial) description filed in response to formal objections
May 29, 2020
(Partial) description filed in response to formal objections
May 29, 2020
Letter accompanying subsequently filed items
May 29, 2020
Written submission in preparation to/during oral proceedings
May 20, 2020
Brief communication - Opposition proceedings
May 19, 2020
Brief communication - Opposition proceedings
May 18, 2020
Brief communication - Opposition proceedings
May 15, 2020
(Electronic) Receipt
May 15, 2020
Letter accompanying subsequently filed items
May 15, 2020
Written submission in preparation to/during oral proceedings
May 14, 2020
(Electronic) Receipt
May 14, 2020
Letter accompanying subsequently filed items
May 14, 2020
Written submission in preparation to/during oral proceedings
May 13, 2020
Letter regarding the opposition procedure (no time limit)
May 4, 2020
Brief communication - Opposition proceedings
Apr 29, 2020
(Electronic) Receipt
Apr 29, 2020
Letter accompanying subsequently filed items
Apr 29, 2020
Request for interpreters during oral proceedings
Apr 28, 2020
Notification concerning the date of oral proceedings
Apr 22, 2020
(Electronic) Receipt
Apr 22, 2020
(Electronic) Receipt
Apr 22, 2020
Auxiliary request during Opposition procedure - 01
Apr 22, 2020
Auxiliary request during Opposition procedure - 02
Apr 22, 2020
Claims
Apr 22, 2020
Letter accompanying subsequently filed items
Apr 22, 2020
Letter accompanying subsequently filed items
Apr 22, 2020
Request for interpreters during oral proceedings
Apr 22, 2020
Written submission in preparation to/during oral proceedings
Feb 5, 2020
Brief communication - Opposition proceedings
Jan 29, 2020
Request for interpreters during oral proceedings
Jan 17, 2020
Advice of delivery
Jan 16, 2020
Advice of delivery
Jan 15, 2020
Acknowledgement of a document
Jan 15, 2020
Acknowledgement of a document
Jan 15, 2020
Summons to attend oral proceedings
Jan 15, 2020
Summons to attend oral proceedings
Jan 9, 2020
Brief communication - Opposition proceedings
Dec 19, 2019
(Electronic) Receipt
Dec 19, 2019
Any annexes (other than citation) to an opposition letter
Dec 19, 2019
Letter accompanying subsequently filed items
Dec 19, 2019
Oral proceedings: Request for postponement
Dec 17, 2019
Advice of delivery
Dec 16, 2019
Advice of delivery
Dec 12, 2019
Acknowledgement of a document
Dec 12, 2019
Acknowledgement of a document
Dec 12, 2019
Annex to the communication - opposition
Dec 12, 2019
Information concerning oral proceedings
Dec 12, 2019
Summons to attend oral proceedings
Dec 12, 2019
Summons to attend oral proceedings
Aug 12, 2019
Brief communication - Opposition proceedings
Aug 5, 2019
(Electronic) Receipt
Aug 5, 2019
Letter accompanying subsequently filed items
Aug 5, 2019
Non-patent literature cited during the opposition procedure
Aug 5, 2019
Non-patent literature cited during the opposition procedure
Aug 5, 2019
Reply of the patent proprietor to the notice(s) of opposition
Jul 26, 2019
Communication concerning the filing of a power of attorney
Jul 26, 2019
Communication of amended entries concerning the representative
Jul 9, 2019
(Electronic) Receipt
Jul 9, 2019
General authorisation
Jul 9, 2019
Letter accompanying subsequently filed items
Jul 9, 2019
Submission concerning change of applicant's representative
Apr 9, 2019
Communication of a notice of opposition and request to file observations
Apr 5, 2019
Notice of further oppositions to opponent(s)
Apr 3, 2019
Brief communication - Opposition proceedings
Mar 29, 2019
(Electronic) Receipt
Mar 29, 2019
Letter accompanying subsequently filed items
Mar 29, 2019
Letter regarding the opposition procedure (no time limit)
Mar 29, 2019
Patent document cited during the opposition procedure
Mar 29, 2019
Patent document cited during the opposition procedure
Mar 29, 2019
Patent document cited during the opposition procedure
Jan 4, 2019
Communication of a notice of opposition - first information to patent proprietor
Dec 20, 2018
(Electronic) Receipt
Dec 20, 2018
Notice of opposition
Dec 20, 2018
Notice of opposition
Dec 20, 2018
Patent document cited during the opposition procedure
Dec 20, 2018
Patent document cited during the opposition procedure
Dec 20, 2018
Patent document cited during the opposition procedure
Jul 16, 2018
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Jun 7, 2018
Decision to grant a European patent
May 23, 2018
(Electronic) Receipt
May 23, 2018
Filing of the translations of the claims
May 23, 2018
French translation of claims
May 23, 2018
German translation of the claims
May 23, 2018
Letter accompanying subsequently filed items
Feb 21, 2018
Bibliographic data of the European patent application
Feb 21, 2018
Communication about intention to grant a European patent
Feb 21, 2018
Intention to grant (signatures)
Feb 21, 2018
Text intended for grant (clean copy)
Feb 21, 2018
Text intended for grant (version for approval)
Jan 29, 2018
Examination started
Oct 27, 2017
Submission concerning representation
Aug 18, 2017
(Electronic) Receipt
Aug 18, 2017
Amended claims filed after receipt of (European) search report
Aug 18, 2017
Amended claims with annotations
Aug 18, 2017
Amendments received before examination
Aug 18, 2017
Letter accompanying subsequently filed items
Jun 8, 2017
Submission concerning representation
Mar 3, 2017
Invitation to declare maintenance of the application and to correct deficiencies in the Written Opinion/amend application
Feb 15, 2017
Communication regarding the transmission of the European search report
Feb 15, 2017
European search opinion
Feb 15, 2017
Information on Search Strategy
Feb 15, 2017
Supplementary European search report
Feb 6, 2017
Search started
Jul 8, 2016
Payment of fees and costs
Apr 28, 2016
Notification on forthcoming publication of bibliographic data
Mar 9, 2016
Authorisation
Mar 9, 2016
Matter concerning the application
Feb 26, 2016
Communication regarding possible amendment of the application/payment of claims fee
Feb 24, 2016
Communication to designated inventor
Feb 16, 2016
(Electronic) Receipt
Feb 16, 2016
Request for entry into the European phase
Feb 1, 2016
Copy of the international preliminary report on patentability
Nov 27, 2015
Information on entry into European phase
Sep 25, 2015
Notification of the recording of a change
Sep 25, 2015
Notification of the recording of a change
Feb 10, 2015
Priority document (electronically transmitted)
Jan 22, 2015
Copy of the international search report
Jan 22, 2015
Published international application - A1

EP3022508

WESTWIND

Application Number: EP14826884A
Filing Date: Jul 11, 2014
Status: Patent Maintained As Amended; Jul 2, 2021
Publication Date: Aug 4, 2021
External Links: Slate, Register , Google Patents

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Heat / Enthalpy Exchanger Element And Method For The Production

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Dossier Documents

EP3022508