Burner For Submerged Combustion Melter

Patent No. EP3250521 (titled "Burner For Submerged Combustion Melter") was filed by Knauf Insulation on Jan 27, 2016. The application was issued on Jul 29, 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
SAINT GOBAIN	Apr 29, 2021	SAINT GOBAIN RECHERCHE
SAINT GOBAIN ISOVER	Apr 29, 2021	SAINT GOBAIN RECHERCHE

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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Jun 27, 2022
Communication to the parties concerning the termination of the opposition proceedings (opponent)
Jun 27, 2022
Communication to the parties concerning the termination of the opposition proceedings (proprietor)
Jun 22, 2022
Termination of the opposition proceedings with revocation of patent
Mar 14, 2022
(Electronic) Receipt
Mar 14, 2022
Advice of delivery
Mar 14, 2022
Advice of delivery
Mar 14, 2022
Letter accompanying subsequently filed items
Mar 10, 2022
Decision of the Opposition Division and instruction
Mar 10, 2022
Decision revoking the European patent
Mar 10, 2022
Decision revoking the European patent
Mar 10, 2022
Grounds for the decision (Annex) - opposition
Mar 10, 2022
Means of redress
Mar 10, 2022
Transmittal of decision / summons - opposition
Mar 10, 2022
Transmittal of decision / summons - opposition
May 27, 2021
Communication of a notice of opposition and request to file observations
May 27, 2021
Notice of further oppositions to opponent(s)
May 6, 2021
Communication of a notice of opposition - first information to patent proprietor
Apr 29, 2021
(Electronic) Receipt
Apr 29, 2021
Citation in opposition procedure - 001
Apr 29, 2021
Citation in opposition procedure - 002
Apr 29, 2021
Citation in opposition procedure - 003
Apr 29, 2021
Citation in opposition procedure - 004
Apr 29, 2021
Citation in opposition procedure - 005
Apr 29, 2021
Citation in opposition procedure - 006
Apr 29, 2021
Citation in opposition procedure - 007
Apr 29, 2021
Consolidated list of cited opposition documents
Apr 29, 2021
Notice of opposition
Apr 29, 2021
Notice of opposition
Aug 10, 2020
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Jul 2, 2020
Decision to grant a European patent
Jun 16, 2020
(Electronic) Receipt
Jun 16, 2020
Filing of the translations of the claims
Jun 16, 2020
French translation of claims
Jun 16, 2020
German translation of the claims
Jun 16, 2020
Letter accompanying subsequently filed items
Mar 5, 2020
Bibliographic data of the European patent application
Mar 5, 2020
Communication about intention to grant a European patent
Mar 5, 2020
Intention to grant (signatures)
Mar 5, 2020
Text intended for grant (clean copy)
Mar 5, 2020
Text intended for grant (version for approval)
Nov 27, 2018
(Electronic) Receipt
Nov 27, 2018
Amended claims with annotations
Nov 27, 2018
Claims
Nov 27, 2018
Letter accompanying subsequently filed items
Nov 27, 2018
Reply to communication from the Examining Division
Aug 9, 2018
Annex to a communication
Aug 9, 2018
Annex to a communication
Aug 9, 2018
Annex to a communication
Aug 9, 2018
Annex to the communication
Aug 9, 2018
Communication from the Examining Division
Aug 2, 2018
Examination started
Mar 6, 2018
(Electronic) Receipt
Mar 6, 2018
Amended claims filed after receipt of (European) search report
Mar 6, 2018
Amended claims with annotations
Mar 6, 2018
Amendments received before examination
Mar 6, 2018
Letter accompanying subsequently filed items
Nov 8, 2017
Notification on forthcoming publication of bibliographic data
Sep 7, 2017
Communication regarding comments on written opinion/amendment of application/payment of claims fee
Sep 5, 2017
Communication to designated inventor
Sep 5, 2017
Communication to designated inventor
Sep 5, 2017
Communication to designated inventor
Aug 23, 2017
Communication of amended entries concerning the representative
Aug 18, 2017
Submission concerning change of applicant's representative
Aug 14, 2017
Copy of the international preliminary report on patentability
Aug 4, 2017
(Electronic) Receipt
Aug 4, 2017
Amended claims filed after receipt of (European) search report
Aug 4, 2017
Amended claims with annotations
Aug 4, 2017
Request for entry into the European phase
Jun 9, 2017
Information on entry into European phase
Mar 28, 2017
Notification of the recording of a change
Mar 28, 2017
Notification of the recording of a change
Aug 23, 2016
Priority document (electronically transmitted)
Aug 4, 2016
Copy of the international search report
Aug 4, 2016
Published international application - A1
Jul 20, 2016
Notification of the recording of a change
Jul 20, 2016
Notification of the recording of a change
Jul 20, 2016
Notification of the recording of a change
Jul 20, 2016
Notification of the recording of a change
Apr 1, 2016
Written opinion of the ISA, boxes No. I to VIII
Apr 1, 2016
Written opinion of the ISA, cover sheet
Apr 1, 2016
Written opinion of the ISA, supplemental box
Feb 3, 2016
Notification of the international application number and of the international filing date
Jan 27, 2016
(Electronic) Receipt
Jan 27, 2016
Abstract
Jan 27, 2016
Claims
Jan 27, 2016
Description
Jan 27, 2016
Document concerning fees and payments
Jan 27, 2016
Drawings
Jan 27, 2016
Electronic request for grant of an International application

EP3250521

KNAUF INSULATION

Application Number: EP16701666A
Filing Date: Jan 27, 2016
Status: Revoked; Jun 24, 2022
Publication Date: Jul 29, 2020
External Links: Slate, Register , Google Patents

IP Verse

Burner For Submerged Combustion Melter

Patent Summary

Patent Family

Patent Oppositions (2)

Dossier Documents

EP3250521