Curved Element For A Ventilation System

Patent No. EP3529538 (titled "Curved Element For A Ventilation System") was filed by Bruckbauer on Oct 19, 2017. The application was issued on Dec 2, 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
NABER HOLDING	Sep 2, 2021	ANGERHAUSEN

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 5, 2023
Communication to the parties concerning termination of the opposition proceedings - opposition rejected - no appeal lodged
Oct 5, 2023
Communication to the parties concerning the termination of the opposition proceedings (opponent)
Sep 29, 2023
Termination of the opposition proceedings with maintenance of patent
Jun 21, 2023
Advice of delivery
Jun 20, 2023
Advice of delivery
Jun 20, 2023
Annex to the communication - opposition
Jun 20, 2023
Decision rejecting the opposition
Jun 20, 2023
Decision rejecting the opposition
Jun 20, 2023
Grounds for the decision (Annex) - opposition
Jun 20, 2023
Means of redress
Jun 20, 2023
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Jun 20, 2023
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Jun 20, 2023
Provision of a copy of the minutes - opposition procedure
Jun 20, 2023
Provision of a copy of the minutes - opposition procedure
Jun 20, 2023
Scanned annex to a communication - opposition procedure
Jun 20, 2023
Transmittal of decision / summons - opposition
Jun 20, 2023
Transmittal of decision / summons - opposition
Jun 19, 2023
Decision of the Opposition Division and instruction
Feb 16, 2023
Brief communication - Opposition proceedings
Feb 14, 2023
Information about the result of oral proceedings
Feb 10, 2023
(Electronic) Receipt
Feb 10, 2023
Auxiliary request during Opposition procedure
Feb 10, 2023
Auxiliary request during Opposition procedure
Feb 10, 2023
Auxiliary request during Opposition procedure - 06
Feb 10, 2023
Auxiliary request during Opposition procedure - 07
Feb 10, 2023
Letter accompanying subsequently filed items
Feb 10, 2023
Written submission in preparation to/during oral proceedings
Dec 16, 2022
Brief communication - Opposition proceedings
Dec 16, 2022
Brief communication - Opposition proceedings
Dec 15, 2022
Brief communication - Opposition proceedings
Dec 13, 2022
(Electronic) Receipt
Dec 13, 2022
(Electronic) Receipt
Dec 13, 2022
(Electronic) Receipt
Dec 13, 2022
Auxiliary request during Opposition procedure
Dec 13, 2022
Auxiliary request during Opposition procedure
Dec 13, 2022
Auxiliary request during Opposition procedure
Dec 13, 2022
Auxiliary request during Opposition procedure
Dec 13, 2022
Auxiliary request during Opposition procedure
Dec 13, 2022
Auxiliary request during Opposition procedure - 01
Dec 13, 2022
Auxiliary request during Opposition procedure - 02
Dec 13, 2022
Auxiliary request during Opposition procedure - 03
Dec 13, 2022
Auxiliary request during Opposition procedure - 04
Dec 13, 2022
Auxiliary request during Opposition procedure - 05
Dec 13, 2022
Letter accompanying subsequently filed items
Dec 13, 2022
Letter accompanying subsequently filed items
Dec 13, 2022
Letter accompanying subsequently filed items
Dec 13, 2022
Written submission in preparation to/during oral proceedings
Dec 13, 2022
Written submission in preparation to/during oral proceedings
Dec 13, 2022
Written submission in preparation to/during oral proceedings
Dec 12, 2022
(Electronic) Receipt
Dec 12, 2022
Citation in opposition procedure - 021
Dec 12, 2022
Citation in opposition procedure - 022
Dec 12, 2022
Citation in opposition procedure - 022
Dec 12, 2022
Citation in opposition procedure - 023
Dec 12, 2022
Citation in opposition procedure - 024
Dec 12, 2022
Consolidated list of cited opposition documents
Dec 12, 2022
Letter accompanying subsequently filed items
Dec 12, 2022
Written submission in preparation to/during oral proceedings
Dec 5, 2022
Notification concerning the date of oral proceedings
Dec 5, 2022
Notification concerning the date of oral proceedings
Jun 1, 2022
Brief communication - Opposition proceedings
May 27, 2022
(Electronic) Receipt
May 27, 2022
Letter accompanying subsequently filed items
May 27, 2022
Request for interpreters during oral proceedings
May 24, 2022
Advice of delivery
May 23, 2022
Advice of delivery
May 23, 2022
Annex to the communication - opposition
May 23, 2022
Information concerning oral proceedings
May 23, 2022
Summons to attend oral proceedings
May 23, 2022
Summons to attend oral proceedings
May 23, 2022
Transmittal of decision / summons - opposition
May 23, 2022
Transmittal of decision / summons - opposition
Jan 28, 2022
Brief communication - Opposition proceedings
Jan 24, 2022
(Electronic) Receipt
Jan 24, 2022
Citation in opposition procedure - 020
Jan 24, 2022
Letter accompanying subsequently filed items
Jan 24, 2022
Reply of the patent proprietor to the notice(s) of opposition
Jan 20, 2022
Brief communication - Opposition proceedings
Jan 20, 2022
Rejection of request for extension of time limit
Jan 14, 2022
Request for extension of time limit
Sep 14, 2021
Communication of a notice of opposition and request to file observations
Sep 14, 2021
Notice of further oppositions to opponent(s)
Sep 7, 2021
Communication of a notice of opposition - first information to patent proprietor
Sep 2, 2021
(Electronic) Receipt
Sep 2, 2021
Citation in opposition procedure - 001
Sep 2, 2021
Citation in opposition procedure - 002
Sep 2, 2021
Citation in opposition procedure - 003
Sep 2, 2021
Citation in opposition procedure - 003
Sep 2, 2021
Citation in opposition procedure - 004
Sep 2, 2021
Citation in opposition procedure - 005
Sep 2, 2021
Citation in opposition procedure - 006
Sep 2, 2021
Citation in opposition procedure - 007
Sep 2, 2021
Citation in opposition procedure - 008
Sep 2, 2021
Citation in opposition procedure - 009
Sep 2, 2021
Citation in opposition procedure - 010
Sep 2, 2021
Citation in opposition procedure - 010
Sep 2, 2021
Citation in opposition procedure - 011
Sep 2, 2021
Citation in opposition procedure - 012
Sep 2, 2021
Citation in opposition procedure - 013
Sep 2, 2021
Citation in opposition procedure - 014
Sep 2, 2021
Citation in opposition procedure - 015
Sep 2, 2021
Citation in opposition procedure - 016
Sep 2, 2021
Citation in opposition procedure - 017
Sep 2, 2021
Citation in opposition procedure - 018
Sep 2, 2021
Citation in opposition procedure - 019
Sep 2, 2021
Notice of opposition
Sep 2, 2021
Notice of opposition
Dec 14, 2020
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Nov 5, 2020
Decision to grant a European patent
Oct 21, 2020
(Electronic) Receipt
Oct 21, 2020
English translation of the claims
Oct 21, 2020
Filing of the translations of the claims
Oct 21, 2020
French translation of claims
Oct 21, 2020
Letter accompanying subsequently filed items
Jul 23, 2020
Bibliographic data of the European patent application
Jul 23, 2020
Communication about intention to grant a European patent
Jul 23, 2020
Intention to grant (signatures)
Jul 23, 2020
Text intended for grant (clean copy)
Jul 23, 2020
Text intended for grant (version for approval)
Mar 11, 2020
(Electronic) Receipt
Mar 11, 2020
Amended claims with annotations
Mar 11, 2020
Amended description with annotations
Mar 11, 2020
Claims
Mar 11, 2020
Description
Mar 11, 2020
Letter accompanying subsequently filed items
Mar 11, 2020
Reply to communication from the Examining Division
Jan 3, 2020
Annex to the communication
Jan 3, 2020
Communication from the Examining Division
Dec 12, 2019
Examination started
Sep 13, 2019
Acknowledgement of receipt of third party observations
Sep 13, 2019
Transmittal of third party observations to applicant
Sep 9, 2019
Non-patent literature filed by a third party
Sep 9, 2019
Non-patent literature filed by a third party
Sep 9, 2019
Observations by third parties
Sep 9, 2019
Patent document filed by a Third party
Sep 9, 2019
Patent document filed by a Third party
Sep 9, 2019
Patent document filed by a Third party
Aug 7, 2019
Communication to designated inventor
Jul 31, 2019
Notification on forthcoming publication of bibliographic data
Jul 25, 2019
(Electronic) Receipt
Jul 25, 2019
Letter accompanying subsequently filed items
Jul 25, 2019
Letter concerning the inventor
Jul 5, 2019
Invitation to indicate correct address of inventor
Jun 27, 2019
Letter which had not been notified
May 24, 2019
Communication to designated inventor
May 24, 2019
Communication to designated inventor
May 24, 2019
Communication to designated inventor
May 10, 2019
Annexes to the international preliminary examination report
May 10, 2019
Copy of the international preliminary examination report
Apr 17, 2019
(Electronic) Receipt
Apr 17, 2019
Amended claims filed after receipt of (European) search report
Apr 17, 2019
Amended claims with annotations
Apr 17, 2019
Amended description filed after receipt of (European) search report
Apr 17, 2019
Amended description with annotations
Apr 17, 2019
Amendments received before examination
Apr 17, 2019
Priority search results
Apr 17, 2019
Request for entry into the European phase
Mar 1, 2019
Information on entry into European phase
Jan 28, 2019
Annex to International preliminary examination report
Jan 28, 2019
International preliminary examination report
Jan 28, 2019
International preliminary examination report - free text sheet
Jan 28, 2019
International preliminary examination report - points I-VIII
Jan 28, 2019
Transmittal of International Preliminary Examination Report
Nov 23, 2018
Letter regarding PCTII procedure
Nov 8, 2018
(Electronic) Receipt
Nov 8, 2018
Reply to communication PCT/IPEA/408
Nov 8, 2018
Reply to communication PCT/IPEA/408
Oct 9, 2018
Written opinion
Oct 9, 2018
Written opinion - free text sheet
Oct 9, 2018
Written opinion - points I-VIII
Jul 23, 2018
Notification of election of EPO
Jul 18, 2018
Notification of election of EPO
Jun 27, 2018
Amendments of documents (Article 19 PCT) (without attachments)
Jun 19, 2018
Notification of receipt of demand
Jun 11, 2018
(Electronic) Receipt
Jun 11, 2018
PCT demand form
Jun 11, 2018
PCT(IPEA): Amended sheet - claims
Jun 11, 2018
PCT(IPEA): Amended sheet - claims
Jun 11, 2018
Payment of fees and costs
Jun 11, 2018
Reply to International Search Opinion
May 16, 2018
Priority document (electronically transmitted)
Apr 26, 2018
Copy of the international search report
Apr 26, 2018
Copy of the international search report
Apr 26, 2018
International publication (Pamphlet)
Apr 26, 2018
Published international application - A1
Mar 9, 2018
Written opinion of the ISA, boxes No. I to VIII
Mar 9, 2018
Written opinion of the ISA, cover sheet
Mar 9, 2018
Written opinion of the ISA, supplemental box
Nov 30, 2017
Notification relating to declaration under Rule 4.17 PCT (copy for ISA/EP)
Nov 21, 2017
Incoming letter related to PCT RO
Nov 21, 2017
RO101 Declaration
Nov 9, 2017
Notification of the international application number and of the international filing date
Oct 19, 2017
(Electronic) Receipt
Oct 19, 2017
Abstract
Oct 19, 2017
Claims
Oct 19, 2017
Description
Oct 19, 2017
Document concerning fees and payments
Oct 19, 2017
Drawings
Oct 19, 2017
Electronic request for grant of an International application

EP3529538

BRUCKBAUER

Application Number: EP17791327A
Filing Date: Oct 19, 2017
Status: Opposition Rejected; Oct 6, 2023
Publication Date: Dec 2, 2020
External Links: Slate, Register , Google Patents

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Curved Element For A Ventilation System

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Dossier Documents

EP3529538