Method For Improving Strength And Retention, And Paper Product

Patent No. EP2665862 (titled "Method For Improving Strength And Retention, And Paper Product") was filed by UPM Kymmene on Jan 19, 2012. The application was issued on May 16, 2018.

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
KEMIRA OYJ	Feb 18, 2019	DANIELS

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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Sep 9, 2021
Communication to the parties concerning the termination of the opposition proceedings (opponent)
Sep 9, 2021
Communication to the parties concerning the termination of the opposition proceedings (proprietor)
Sep 6, 2021
Termination of the opposition proceedings with revocation of patent
May 28, 2021
Advice of delivery
May 26, 2021
Advice of delivery
May 26, 2021
Annex to the communication - opposition
May 26, 2021
Decision of the Opposition Division and instruction
May 26, 2021
Decision revoking the European patent
May 26, 2021
Grounds for the decision (Annex) - opposition
May 26, 2021
Internal form - Opposition/addressees
May 26, 2021
Internal form - Opposition/addressees
May 26, 2021
Means of redress
May 26, 2021
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
May 26, 2021
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
May 26, 2021
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
May 26, 2021
Provision of a copy of the minutes - opposition procedure
May 26, 2021
Transmittal of decision / summons - opposition
May 26, 2021
Transmittal of decision / summons - opposition
Apr 12, 2021
Information about the result of oral proceedings
Jan 20, 2021
Notification concerning the date of oral proceedings
Jan 20, 2021
Notification concerning the date of oral proceedings
Sep 14, 2020
Advice of delivery
Sep 10, 2020
Advice of delivery
Sep 7, 2020
Acknowledgement of a document
Sep 7, 2020
Acknowledgement of a document
Sep 7, 2020
Annex to the communication - opposition
Sep 7, 2020
Summons to attend oral proceedings
Sep 7, 2020
Summons to attend oral proceedings
Aug 28, 2020
Advice of delivery
Aug 27, 2020
Notification concerning the date of oral proceedings
Aug 27, 2020
Notification concerning the date of oral proceedings
Aug 7, 2020
Brief communication - Opposition proceedings
Jul 31, 2020
(Electronic) Receipt
Jul 31, 2020
Brief communication - Opposition proceedings
Jul 31, 2020
Letter accompanying subsequently filed items
Jul 31, 2020
Notification concerning the date of oral proceedings
Jul 31, 2020
Notification concerning the date of oral proceedings
Jul 31, 2020
Oral proceedings: reply to date proposed
Jul 28, 2020
(Electronic) Receipt
Jul 28, 2020
Letter accompanying subsequently filed items
Jul 28, 2020
Request for interpreters during oral proceedings
Jul 16, 2020
Notification concerning the date of oral proceedings
Jul 16, 2020
Notification concerning the date of oral proceedings
Jul 2, 2020
Advice of delivery
Jul 1, 2020
Advice of delivery
Jun 25, 2020
Acknowledgement of a document
Jun 25, 2020
Acknowledgement of a document
Jun 25, 2020
Annex to the communication - opposition
Jun 25, 2020
Information concerning oral proceedings
Jun 25, 2020
Summons to attend oral proceedings
Jun 25, 2020
Summons to attend oral proceedings
May 19, 2020
Notification concerning the date of oral proceedings
May 19, 2020
Notification concerning the date of oral proceedings
May 14, 2020
Oral proceedings: reply to date proposed
Apr 20, 2020
Brief communication - Opposition proceedings
Apr 15, 2020
(Electronic) Receipt
Apr 15, 2020
Citation in opposition procedure - 015
Apr 15, 2020
Consolidated list of cited opposition documents
Apr 15, 2020
Letter accompanying subsequently filed items
Apr 15, 2020
Written submission in preparation to/during oral proceedings
Apr 2, 2020
Brief communication - Opposition proceedings
Mar 27, 2020
(Electronic) Receipt
Mar 27, 2020
Auxiliary request during Opposition procedure - 01
Mar 27, 2020
Auxiliary request during Opposition procedure - 01
Mar 27, 2020
Auxiliary request during Opposition procedure - 02
Mar 27, 2020
Auxiliary request during Opposition procedure - 02
Mar 27, 2020
Auxiliary request during Opposition procedure - 03
Mar 27, 2020
Auxiliary request during Opposition procedure - 03
Mar 27, 2020
Auxiliary request during Opposition procedure - 04
Mar 27, 2020
Auxiliary request during Opposition procedure - 04
Mar 27, 2020
Auxiliary request during Opposition procedure - 05
Mar 27, 2020
Auxiliary request during Opposition procedure - 05
Mar 27, 2020
Auxiliary request during Opposition procedure - 06
Mar 27, 2020
Auxiliary request during Opposition procedure - 06
Mar 27, 2020
Auxiliary request during Opposition procedure - 07
Mar 27, 2020
Auxiliary request during Opposition procedure - 07
Mar 27, 2020
Auxiliary request during Opposition procedure - 08
Mar 27, 2020
Auxiliary request during Opposition procedure - 08
Mar 27, 2020
Auxiliary request during Opposition procedure - 09
Mar 27, 2020
Auxiliary request during Opposition procedure - 09
Mar 27, 2020
Auxiliary request during Opposition procedure - 10
Mar 27, 2020
Auxiliary request during Opposition procedure - 10
Mar 27, 2020
Auxiliary request during Opposition procedure - 11
Mar 27, 2020
Auxiliary request during Opposition procedure - 11
Mar 27, 2020
Citation in opposition procedure - 010
Mar 27, 2020
Citation in opposition procedure - 011
Mar 27, 2020
Citation in opposition procedure - 012
Mar 27, 2020
Citation in opposition procedure - 013
Mar 27, 2020
Citation in opposition procedure - 014
Mar 27, 2020
Letter accompanying subsequently filed items
Mar 27, 2020
Main request during Opposition procedure
Mar 27, 2020
Written submission in preparation to/during oral proceedings
Feb 27, 2020
Brief communication - Opposition proceedings
Feb 26, 2020
Communication of amended entries
Feb 21, 2020
Request for a change of address - opponent
Nov 1, 2019
Advice of delivery
Oct 29, 2019
Advice of delivery
Oct 22, 2019
Annex to the communication - opposition
Oct 22, 2019
Information concerning oral proceedings
Oct 22, 2019
Summons to attend oral proceedings
Oct 22, 2019
Summons to attend oral proceedings
Jul 8, 2019
Brief communication - Opposition proceedings
Jul 3, 2019
(Electronic) Receipt
Jul 3, 2019
Auxiliary request during Opposition procedure
Jul 3, 2019
Auxiliary request during Opposition procedure
Jul 3, 2019
Auxiliary request during Opposition procedure
Jul 3, 2019
Auxiliary request during Opposition procedure
Jul 3, 2019
Auxiliary request during Opposition procedure
Jul 3, 2019
Auxiliary request during Opposition procedure - 01
Jul 3, 2019
Auxiliary request during Opposition procedure - 02
Jul 3, 2019
Auxiliary request during Opposition procedure - 03
Jul 3, 2019
Auxiliary request during Opposition procedure - 04
Jul 3, 2019
Auxiliary request during Opposition procedure - 05
Jul 3, 2019
Letter accompanying subsequently filed items
Jul 3, 2019
Main request during Opposition procedure
Jul 3, 2019
Reply of the patent proprietor to the notice(s) of opposition
Mar 1, 2019
Communication of a notice of opposition and request to file observations
Mar 1, 2019
Notice of further oppositions to opponent(s)
Feb 26, 2019
Communication of a notice of opposition - first information to patent proprietor
Feb 18, 2019
(Electronic) Receipt
Feb 18, 2019
Citation in opposition procedure - 001
Feb 18, 2019
Citation in opposition procedure - 002
Feb 18, 2019
Citation in opposition procedure - 003
Feb 18, 2019
Citation in opposition procedure - 004
Feb 18, 2019
Citation in opposition procedure - 005
Feb 18, 2019
Citation in opposition procedure - 006
Feb 18, 2019
Citation in opposition procedure - 007
Feb 18, 2019
Citation in opposition procedure - 008
Feb 18, 2019
Citation in opposition procedure - 009
Feb 18, 2019
Notice of opposition
Feb 18, 2019
Notice of opposition
May 30, 2018
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Apr 19, 2018
Decision to grant a European patent
Apr 10, 2018
Communication of the registration of a transfer or change of name and/or address
Mar 29, 2018
(Electronic) Receipt
Mar 29, 2018
Filing of the translations of the claims
Mar 29, 2018
French translation of claims
Mar 29, 2018
German translation of the claims
Mar 29, 2018
Letter accompanying subsequently filed items
Dec 6, 2017
Bibliographic data of the European patent application
Dec 6, 2017
Communication about intention to grant a European patent
Dec 6, 2017
Intention to grant (signatures)
Dec 6, 2017
Text intended for grant (clean copy)
Dec 6, 2017
Text intended for grant (version for approval)
Sep 14, 2017
(Electronic) Receipt
Sep 14, 2017
Amended claims with annotations
Sep 14, 2017
Amended description with annotations
Sep 14, 2017
Claims
Sep 14, 2017
Description
Sep 14, 2017
Letter accompanying subsequently filed items
Sep 14, 2017
Reply to communication from the Examining Division
May 15, 2017
Annex to the communication
May 15, 2017
Communication from the Examining Division
Jan 26, 2017
(Electronic) Receipt
Jan 26, 2017
Amended description with annotations
Jan 26, 2017
Description
Jan 26, 2017
Letter accompanying subsequently filed items
Jan 26, 2017
Reply to communication from the Examining Division
Nov 28, 2016
Grant of extension of time limit (examination procedure)
Nov 23, 2016
(Electronic) Receipt
Nov 23, 2016
Letter accompanying subsequently filed items
Nov 23, 2016
Request for extension of time limit to communication from the Examining Division
Jul 27, 2016
Annex to the communication
Jul 27, 2016
Communication from the Examining Division
Jul 11, 2016
(Electronic) Receipt
Jul 11, 2016
Amended claims with annotations
Jul 11, 2016
Amended description with annotations
Jul 11, 2016
Claims
Jul 11, 2016
Description
Jul 11, 2016
Letter accompanying subsequently filed items
Jul 11, 2016
Reply to communication from the Examining Division
May 20, 2016
Grant of extension of time limit (examination procedure)
May 17, 2016
(Electronic) Receipt
May 17, 2016
Letter accompanying subsequently filed items
May 17, 2016
Request for extension of time limit to communication from the Examining Division
Jan 20, 2016
Annex to the communication
Jan 20, 2016
Communication from the Examining Division
Dec 31, 2015
(Electronic) Receipt
Dec 31, 2015
Amended description with annotations
Dec 31, 2015
Description
Dec 31, 2015
Letter accompanying subsequently filed items
Dec 31, 2015
Reply to communication from the Examining Division
Oct 14, 2015
Acknowledgement of receipt of third party observations
Oct 14, 2015
Transmittal of third party observations to applicant
Oct 7, 2015
(Electronic) Receipt
Oct 7, 2015
Letter accompanying subsequently filed items
Oct 7, 2015
Non-patent literature filed by a third party
Oct 7, 2015
Non-patent literature filed by a third party
Oct 7, 2015
Non-patent literature filed by a third party
Oct 7, 2015
Non-patent literature filed by a third party
Oct 7, 2015
Non-patent literature filed by a third party
Oct 7, 2015
Non-patent literature filed by a third party
Oct 7, 2015
Non-patent literature filed by a third party
Oct 7, 2015
Observations by third parties
Oct 7, 2015
Patent document filed by a Third party
Sep 16, 2015
Annex to the communication
Sep 16, 2015
Communication from the Examining Division
Sep 11, 2015
Examination started
Jun 4, 2014
(Electronic) Receipt
Jun 4, 2014
Letter accompanying subsequently filed items
Jun 4, 2014
Priority search results
Jun 4, 2014
Reply to invitation to file a copy of priority search results
Apr 29, 2014
Invitation to file a copy of search results(priority)
Mar 7, 2014
(Electronic) Receipt
Mar 7, 2014
Letter accompanying subsequently filed items
Mar 7, 2014
Reply to Written Opinion prepared by the EPO
Oct 30, 2013
Notification on forthcoming publication of bibliographic data
Sep 10, 2013
Communication regarding comments on written opinion/amendment of application/payment of claims fee
Aug 30, 2013
Communication to designated inventor
Aug 30, 2013
Communication to designated inventor
Aug 30, 2013
Communication to designated inventor
Aug 20, 2013
(Electronic) Receipt
Aug 20, 2013
Amended claims filed after receipt of (European) search report
Aug 20, 2013
Priority search results
Aug 20, 2013
Request for entry into the European phase
Aug 7, 2013
Copy of the international preliminary report on patentability
Jun 3, 2013
Information on entry into European phase
Sep 27, 2012
Copy of the international search report
Sep 27, 2012
International publication of the international search report
Aug 15, 2012
Priority document (electronically transmitted)
Aug 10, 2012
Written opinion of the ISA, boxes No. I to VIII
Aug 10, 2012
Written opinion of the ISA, cover sheet
Aug 10, 2012
Written opinion of the ISA, supplemental box
Jul 26, 2012
Published international application - A2

EP2665862

UPM KYMMENE

Application Number: EP12721879A
Filing Date: Jan 19, 2012
Status: Revoked; Sep 10, 2021
Publication Date: May 16, 2018
External Links: Slate, Register , Google Patents

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Method For Improving Strength And Retention, And Paper Product

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Dossier Documents

EP2665862