District Energy Distributing System

Patent No. EP3622224 (titled "District Energy Distributing System") was filed by EON Sverige on Apr 26, 2018. The application was issued on Feb 24, 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
ZACCO DENMARK	Nov 24, 2021	-

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 18, 2023
Communication to the parties concerning termination of the opposition proceedings - opposition rejected - no appeal lodged
Jul 18, 2023
Communication to the parties concerning the termination of the opposition proceedings (opponent)
Jul 13, 2023
Termination of the opposition proceedings with maintenance of patent
Apr 11, 2023
Advice of delivery
Apr 3, 2023
Decision of the Opposition Division and instruction
Apr 3, 2023
Decision rejecting the opposition
Apr 3, 2023
Decision rejecting the opposition
Apr 3, 2023
Grounds for the decision (Annex) - opposition
Apr 3, 2023
Means of redress
Apr 3, 2023
Scanned annex to a communication - opposition procedure
Apr 3, 2023
Scanned annex to a communication - opposition procedure
Apr 3, 2023
Transmittal of decision / summons - opposition
Apr 3, 2023
Transmittal of decision / summons - opposition
Feb 10, 2023
Notification concerning the date of oral proceedings
Feb 10, 2023
Notification concerning the date of oral proceedings
Feb 3, 2023
Brief communication - Opposition proceedings
Jan 27, 2023
(Electronic) Receipt
Jan 27, 2023
Letter accompanying subsequently filed items
Jan 27, 2023
Written submission in preparation to/during oral proceedings
Dec 19, 2022
Brief communication - Opposition proceedings
Dec 12, 2022
(Electronic) Receipt
Dec 12, 2022
Letter accompanying subsequently filed items
Dec 12, 2022
Request for interpreters during oral proceedings
Dec 5, 2022
Notification concerning the date of oral proceedings
Dec 5, 2022
Notification concerning the date of oral proceedings
Aug 22, 2022
(Electronic) Receipt
Aug 22, 2022
Advice of delivery
Aug 22, 2022
Letter accompanying subsequently filed items
Aug 11, 2022
Annex to the communication - opposition
Aug 11, 2022
Information concerning oral proceedings
Aug 11, 2022
Scanned annex to a communication - opposition procedure
Aug 11, 2022
Summons to attend oral proceedings
Aug 11, 2022
Summons to attend oral proceedings
Aug 11, 2022
Transmittal of decision / summons - opposition
Aug 11, 2022
Transmittal of decision / summons - opposition
Apr 4, 2022
Brief communication - Opposition proceedings
Mar 31, 2022
(Electronic) Receipt
Mar 31, 2022
Letter accompanying subsequently filed items
Mar 31, 2022
Letter regarding the opposition procedure (no time limit)
Mar 30, 2022
(Electronic) Receipt
Mar 30, 2022
Auxiliary request during Opposition procedure
Mar 30, 2022
Auxiliary request during Opposition procedure - 01
Mar 30, 2022
Letter accompanying subsequently filed items
Mar 30, 2022
Reply of the patent proprietor to the notice(s) of opposition
Feb 3, 2022
Document concerning representation
Feb 3, 2022
Document concerning representation
Dec 8, 2021
Communication of a notice of opposition and request to file observations
Dec 8, 2021
Notice of further oppositions to opponent(s)
Dec 2, 2021
Communication of a notice of opposition - first information to patent proprietor
Nov 24, 2021
(Electronic) Receipt
Nov 24, 2021
Citation in opposition procedure - 001
Nov 24, 2021
Citation in opposition procedure - 002
Nov 24, 2021
Citation in opposition procedure - 003
Nov 24, 2021
Citation in opposition procedure - 004
Nov 24, 2021
Citation in opposition procedure - 005
Nov 24, 2021
Citation in opposition procedure - 006
Nov 24, 2021
Citation in opposition procedure - 007
Nov 24, 2021
Citation in opposition procedure - 008
Nov 24, 2021
Citation in opposition procedure - 008
Nov 24, 2021
Citation in opposition procedure - 008
Nov 24, 2021
Citation in opposition procedure - 009
Nov 24, 2021
Citation in opposition procedure - 009
Nov 24, 2021
Citation in opposition procedure - 010
Nov 24, 2021
Citation in opposition procedure - 010
Nov 24, 2021
Citation in opposition procedure - 011
Nov 24, 2021
Citation in opposition procedure - 011
Nov 24, 2021
Citation in opposition procedure - 012
Nov 24, 2021
Citation in opposition procedure - 013
Nov 24, 2021
Citation in opposition procedure - 014
Nov 24, 2021
Citation in opposition procedure - 015
Nov 24, 2021
Citation in opposition procedure - 016
Nov 24, 2021
Citation in opposition procedure - 017
Nov 24, 2021
Citation in opposition procedure - 018
Nov 24, 2021
Citation in opposition procedure - 019
Nov 24, 2021
Citation in opposition procedure - 020
Nov 24, 2021
Citation in opposition procedure - 020
Nov 24, 2021
Citation in opposition procedure - 021
Nov 24, 2021
Citation in opposition procedure - 022
Nov 24, 2021
Citation in opposition procedure - 023
Nov 24, 2021
Citation in opposition procedure - 023
Nov 24, 2021
Citation in opposition procedure - 024
Nov 24, 2021
Citation in opposition procedure - 025
Nov 24, 2021
Citation in opposition procedure - 026
Nov 24, 2021
Citation in opposition procedure - 027
Nov 24, 2021
Citation in opposition procedure - 028
Nov 24, 2021
Citation in opposition procedure - 029
Nov 24, 2021
Citation in opposition procedure - 030
Nov 24, 2021
Citation in opposition procedure - 031
Nov 24, 2021
Citation in opposition procedure - 032
Nov 24, 2021
Consolidated list of cited opposition documents
Nov 24, 2021
Notice of opposition
Nov 24, 2021
Notice of opposition
Mar 8, 2021
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Jan 28, 2021
Decision to grant a European patent
Jan 13, 2021
(Electronic) Receipt
Jan 13, 2021
Filing of the translations of the claims
Jan 13, 2021
French translation of claims
Jan 13, 2021
German translation of the claims
Nov 12, 2020
Bibliographic data of the European patent application
Nov 12, 2020
Communication about intention to grant a European patent
Nov 12, 2020
Intention to grant (signatures)
Nov 12, 2020
Text intended for grant (clean copy)
Nov 12, 2020
Text intended for grant (version for approval)
Oct 16, 2020
Examination started
Feb 20, 2020
Communication regarding comments on written opinion/amendment of application/payment of claims fee
Feb 19, 2020
Notification on forthcoming publication of bibliographic data
Feb 13, 2020
Priority search results copy provided by EPO
Dec 9, 2019
Communication to designated inventor
Dec 9, 2019
Communication to designated inventor
Nov 28, 2019
(Electronic) Receipt
Nov 28, 2019
Amended claims filed after receipt of (European) search report
Nov 28, 2019
Request for entry into the European phase
Nov 11, 2019
Annexes to the international preliminary examination report
Nov 11, 2019
Copy of the international preliminary examination report
Sep 13, 2019
Information on entry into European phase
Jul 3, 2019
Free text
Jul 2, 2019
Annex to International preliminary examination report
Jul 2, 2019
International preliminary examination report
Jul 2, 2019
International preliminary examination report - free text sheet
Jul 2, 2019
International preliminary examination report - points I-VIII
Jul 2, 2019
Transmittal of International Preliminary Examination Report
Jun 19, 2019
Annex to International preliminary examination report
Jun 19, 2019
International preliminary examination report
Jun 19, 2019
International preliminary examination report - free text sheet
Jun 19, 2019
International preliminary examination report - points I-VIII
Jun 19, 2019
Transmittal of International Preliminary Examination Report
May 6, 2019
(Electronic) Receipt
May 6, 2019
PCT demand form
May 6, 2019
PCT(IPEA): Amended sheet - claims
May 6, 2019
PCT(IPEA): Amended sheet - claims
May 6, 2019
Payment of fees and costs
May 6, 2019
Reply to communication PCT/IPEA/408
Mar 20, 2019
Written opinion
Mar 20, 2019
Written opinion - free text sheet
Mar 20, 2019
Written opinion - points I-VIII
Dec 6, 2018
Notification of election of EPO
Nov 28, 2018
Priority document (electronically transmitted)
Nov 8, 2018
Copy of the international search report
Nov 8, 2018
Published international application - A1
Nov 6, 2018
Notification of receipt of demand
Oct 26, 2018
(Electronic) Receipt
Oct 26, 2018
PCT demand form
Oct 26, 2018
Payment of fees and costs
Oct 26, 2018
Reply to International Search Opinion
Jul 17, 2018
Notification of the recording of a change
Jul 16, 2018
Written opinion of the ISA, boxes No. I to VIII
Jul 16, 2018
Written opinion of the ISA, cover sheet
Jul 16, 2018
Written opinion of the ISA, supplemental box
May 8, 2018
Notification of the international application number and of the international filing date
Apr 26, 2018
(Electronic) Receipt
Apr 26, 2018
Abstract
Apr 26, 2018
Claims
Apr 26, 2018
Description
Apr 26, 2018
Document concerning fees and payments
Apr 26, 2018
Drawings
Apr 26, 2018
Electronic request for grant of an International application
Apr 26, 2018
Priority document (RO-procedure)

EP3622224

EON SVERIGE

Application Number: EP18719183A
Filing Date: Apr 26, 2018
Status: Opposition Rejected; Jul 14, 2023
Publication Date: Feb 24, 2021
External Links: Slate, Register , Google Patents

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District Energy Distributing System

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Dossier Documents

EP3622224