Method For The Production Of Heat-Sealing Barrier Paper

Patent No. EP3186441 (titled "Method For The Production Of Heat-Sealing Barrier Paper") was filed by Ahlstrom Munksj OYJ on Jul 29, 2015. The application was issued on Dec 25, 2019.

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
STILKENBOHMER	Sep 24, 2020	EISENFUHR SPEISER
BILLERUDKORSNAS	Sep 24, 2020	KRANSELL & WENNBORG KB

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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Feb 11, 2022
Communication to the parties concerning termination of the opposition proceedings - opposition rejected - no appeal lodged
Feb 11, 2022
Communication to the parties concerning the termination of the opposition proceedings (opponent)
Feb 8, 2022
Termination of the opposition proceedings with maintenance of patent
Nov 2, 2021
Advice of delivery
Oct 28, 2021
Decision of the Opposition Division and instruction
Oct 28, 2021
Decision rejecting the opposition
Oct 28, 2021
Decision rejecting the opposition
Oct 28, 2021
Grounds for the decision (Annex) - opposition
Oct 28, 2021
Means of redress
Oct 28, 2021
Transmittal of decision / summons - opposition
Oct 28, 2021
Transmittal of decision / summons - opposition
Oct 11, 2021
Notification concerning the date of oral proceedings
Oct 11, 2021
Notification concerning the date of oral proceedings
Sep 23, 2021
Brief communication - Opposition proceedings
Sep 20, 2021
(Electronic) Receipt
Sep 20, 2021
Letter accompanying subsequently filed items
Sep 20, 2021
Written submission in preparation to/during oral proceedings
Aug 23, 2021
Brief communication - Opposition proceedings
Aug 17, 2021
(Electronic) Receipt
Aug 17, 2021
Letter accompanying subsequently filed items
Aug 17, 2021
Withdrawal of a request for oral proceedings
Jun 1, 2021
Advice of delivery
May 28, 2021
Advice of delivery
May 25, 2021
Annex to the communication - opposition
May 25, 2021
Information concerning oral proceedings
May 25, 2021
Summons to attend oral proceedings
May 25, 2021
Summons to attend oral proceedings
May 25, 2021
Transmittal of decision / summons - opposition
May 25, 2021
Transmittal of decision / summons - opposition
Feb 16, 2021
Brief communication - Opposition proceedings
Feb 10, 2021
(Electronic) Receipt
Feb 10, 2021
Auxiliary request during Opposition procedure
Feb 10, 2021
Auxiliary request during Opposition procedure - 01
Feb 10, 2021
Letter accompanying subsequently filed items
Feb 10, 2021
Reply of the patent proprietor to the notice(s) of opposition
Jan 21, 2021
Brief communication - Opposition proceedings
Jan 21, 2021
Brief communication - Opposition proceedings
Jan 21, 2021
Brief communication - Opposition proceedings
Jan 21, 2021
Communication of termination of the opposition proceedings
Jan 18, 2021
Communication confirming withdrawal from representation
Jan 18, 2021
Communication of amended entries concerning the representative
Jan 18, 2021
Termination of the opposition proceedings for one opponent (further opponents present)
Jan 7, 2021
(Electronic) Receipt
Jan 7, 2021
Letter accompanying subsequently filed items
Jan 7, 2021
Submission concerning change of proprietor's representative
Dec 22, 2020
Acknowledgement of receipt of third party observations
Dec 22, 2020
Brief communication - Opposition proceedings
Dec 22, 2020
Transmittal of third party observations to applicant
Dec 15, 2020
(Electronic) Receipt
Dec 15, 2020
Letter accompanying subsequently filed items
Dec 15, 2020
Observations by third parties
Dec 15, 2020
Patent document filed by a Third party
Nov 27, 2020
Confirmation of revocation of automatic debit order
Nov 3, 2020
Noting of loss of rights (opposition deemed not to have been filed)
Oct 12, 2020
Communication of a notice of opposition and request to file observations
Oct 12, 2020
Notice of further oppositions to opponent(s)
Oct 8, 2020
Notice of further oppositions to opponent(s)
Oct 1, 2020
Communication of a notice of opposition - first information to patent proprietor
Sep 24, 2020
(Electronic) Receipt
Sep 24, 2020
(Electronic) Receipt
Sep 24, 2020
Any annexes (other than citation) to an opposition letter
Sep 24, 2020
Any annexes (other than citation) to an opposition letter
Sep 24, 2020
Citation in opposition procedure
Sep 24, 2020
Citation in opposition procedure
Sep 24, 2020
Citation in opposition procedure
Sep 24, 2020
Citation in opposition procedure
Sep 24, 2020
Citation in opposition procedure
Sep 24, 2020
Citation in opposition procedure
Sep 24, 2020
Citation in opposition procedure
Sep 24, 2020
Citation in opposition procedure
Sep 24, 2020
Citation in opposition procedure
Sep 24, 2020
Citation in opposition procedure
Sep 24, 2020
Citation in opposition procedure
Sep 24, 2020
Citation in opposition procedure
Sep 24, 2020
Citation in opposition procedure - 001
Sep 24, 2020
Citation in opposition procedure - 001
Sep 24, 2020
Citation in opposition procedure - 002
Sep 24, 2020
Citation in opposition procedure - 002
Sep 24, 2020
Citation in opposition procedure - 003
Sep 24, 2020
Citation in opposition procedure - 003
Sep 24, 2020
Citation in opposition procedure - 004
Sep 24, 2020
Citation in opposition procedure - 004
Sep 24, 2020
Citation in opposition procedure - 005
Sep 24, 2020
Citation in opposition procedure - 006
Sep 24, 2020
Citation in opposition procedure - 007
Sep 24, 2020
Citation in opposition procedure - 008
Sep 24, 2020
Citation in opposition procedure - 009
Sep 24, 2020
Citation in opposition procedure - 009
Sep 24, 2020
Citation in opposition procedure - 010
Sep 24, 2020
Citation in opposition procedure - 010
Sep 24, 2020
Citation in opposition procedure - 011
Sep 24, 2020
Citation in opposition procedure - 012
Sep 24, 2020
Citation in opposition procedure - 013
Sep 24, 2020
Citation in opposition procedure - 013
Sep 24, 2020
Citation in opposition procedure - 014
Sep 24, 2020
Citation in opposition procedure - 015
Sep 24, 2020
Citation in opposition procedure - 016
Sep 24, 2020
Citation in opposition procedure - 017
Sep 24, 2020
Citation in opposition procedure - 018
Sep 24, 2020
Citation in opposition procedure - 019
Sep 24, 2020
Citation in opposition procedure - 020
Sep 24, 2020
Citation in opposition procedure - 021
Sep 24, 2020
Citation in opposition procedure - 022
Sep 24, 2020
Consolidated list of cited opposition documents
Sep 24, 2020
International publication (Pamphlet)
Sep 24, 2020
Notice of opposition
Sep 24, 2020
Notice of opposition
Sep 24, 2020
Notice of opposition
Sep 24, 2020
Notice of opposition
Jan 3, 2020
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Nov 28, 2019
Decision to grant a European patent
Nov 15, 2019
(Electronic) Receipt
Nov 15, 2019
English translation of the claims
Nov 15, 2019
Filing of the translations of the claims
Nov 15, 2019
German translation of the claims
Nov 15, 2019
Letter accompanying subsequently filed items
Jul 22, 2019
Bibliographic data of the European patent application
Jul 22, 2019
Communication about intention to grant a European patent
Jul 22, 2019
Intention to grant (signatures)
Jul 22, 2019
Text intended for grant (clean copy)
Jul 22, 2019
Text intended for grant (version for approval)
Apr 9, 2019
(Electronic) Receipt
Apr 9, 2019
Amended description with annotations
Apr 9, 2019
Description
Apr 9, 2019
Letter accompanying subsequently filed items
Apr 9, 2019
Reply to communication from the Examining Division
Feb 13, 2019
Annex to the communication
Feb 13, 2019
Communication from the Examining Division
Oct 25, 2018
(Electronic) Receipt
Oct 25, 2018
Amended claims with annotations
Oct 25, 2018
Claims
Oct 25, 2018
Letter accompanying subsequently filed items
Oct 25, 2018
Reply to communication from the Examining Division
Oct 2, 2018
Annex to the communication
Oct 2, 2018
Communication from the Examining Division
Sep 17, 2018
(Electronic) Receipt
Sep 17, 2018
Amended claims with annotations
Sep 17, 2018
Claims
Sep 17, 2018
Letter accompanying subsequently filed items
Sep 17, 2018
Reply to communication from the Examining Division
Jul 19, 2018
Grant of extension of time limit (examination procedure)
Jul 13, 2018
(Electronic) Receipt
Jul 13, 2018
Letter accompanying subsequently filed items
Jul 13, 2018
Request for extension of time limit to communication from the Examining Division
Mar 16, 2018
Annex to the communication
Mar 16, 2018
Communication from the Examining Division
Mar 13, 2018
Examination started
Nov 10, 2017
Communication of the registration of a transfer or change of name and/or address
Oct 13, 2017
Annexes in respect of a client data request
Oct 13, 2017
Letter accompanying subsequently filed items
Oct 13, 2017
Submission concerning change of applicant's name
Sep 15, 2017
(Electronic) Receipt
Sep 15, 2017
Letter accompanying subsequently filed items
Sep 15, 2017
Reply to Written Opinion prepared by the EPO
Jun 8, 2017
Notification on forthcoming publication of bibliographic data
Mar 15, 2017
Communication regarding comments on written opinion/amendment of application/payment of claims fee
Mar 10, 2017
Communication of the registration of a transfer or change of name and/or address
Mar 8, 2017
Communication to designated inventor
Mar 8, 2017
Communication to designated inventor
Mar 8, 2017
Communication to designated inventor
Mar 8, 2017
Priority search results copy provided by EPO
Feb 27, 2017
(Electronic) Receipt
Feb 27, 2017
Amended claims filed after receipt of (European) search report
Feb 27, 2017
Amended claims with annotations
Feb 27, 2017
Request for entry into the European phase
Feb 14, 2017
Copy of the international preliminary report on patentability
Dec 9, 2016
Information on entry into European phase
Feb 22, 2016
Priority document (electronically transmitted)
Feb 4, 2016
Copy of the international search report
Feb 4, 2016
Copy of the international search report
Feb 4, 2016
Published international application - A1
Oct 13, 2015
Written opinion of the ISA, boxes No. I to VIII
Oct 13, 2015
Written opinion of the ISA, cover sheet
Oct 13, 2015
Written opinion of the ISA, supplemental box
Aug 3, 2015
Incoming letter related to PCT RO
Jul 29, 2015
(Electronic) Receipt
Jul 29, 2015
Abstract
Jul 29, 2015
Claims
Jul 29, 2015
Description
Jul 29, 2015
Electronic request for grant of an International application
Jul 29, 2015
Submission concerning representation

EP3186441

AHLSTROM MUNKSJ OYJ

Application Number: EP15750659A
Filing Date: Jul 29, 2015
Status: Opposition Rejected; Feb 11, 2022
Publication Date: Dec 25, 2019
External Links: Slate, Register , Google Patents

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Method For The Production Of Heat-Sealing Barrier Paper

Patent Summary

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Patent Oppositions (2)

Dossier Documents

EP3186441