Nonwoven Abrasive Articles Made By Friction Welding

Patent No. EP3086905 (titled "Nonwoven Abrasive Articles Made By Friction Welding") was filed by Saint Gobain on Dec 12, 2014. The application was issued on May 7, 2025.

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
AUGUST RUGGEBERG	Oct 22, 2021	RAU

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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Apr 10, 2025
Decision to maintain the European patent in amended form
Apr 10, 2025
Decision to maintain the European patent in amended form
Apr 3, 2025
(Electronic) Receipt
Apr 3, 2025
Filing of the translation of the amended claims
Apr 3, 2025
French translation of claims
Apr 3, 2025
German translation of the claims
Apr 3, 2025
Letter accompanying subsequently filed items
Jan 22, 2025
Communication of bibliographic data
Jan 22, 2025
Communication to opponent concerning maintenance
Jan 22, 2025
Communication with request to file translations
Jan 14, 2025
Maintenance of the patent with the documents specified in the final decision
Jan 10, 2025
Decision of the Board of Appeal
Jan 10, 2025
F3032 Notification(s) of the decision
Jan 10, 2025
F3032 Notification(s) of the decision
Oct 28, 2024
F3013 Oral Proceedings: Forwarding minutes
Oct 28, 2024
F3013 Oral Proceedings: Forwarding minutes
Oct 28, 2024
F3317 Oral Proceedings: Minutes (Appellant: Proprietor + Opponent)
Sep 26, 2024
F3345 Forwarding of submissions to parties
Sep 23, 2024
(Electronic) Receipt
Sep 23, 2024
Letter accompanying subsequently filed items
Sep 23, 2024
Letter dealing with oral proceedings during the appeal procedure
Sep 13, 2024
F3345 Forwarding of submissions to parties
Sep 10, 2024
(Electronic) Receipt
Sep 10, 2024
Letter accompanying subsequently filed items
Sep 10, 2024
Letter dealing with oral proceedings during the appeal procedure
Aug 28, 2024
F3345 Forwarding of submissions to parties
Aug 23, 2024
(Electronic) Receipt
Aug 23, 2024
Letter accompanying subsequently filed items
Aug 23, 2024
Request for interpreters during oral proceedings
Aug 5, 2024
F3345 Forwarding of submissions to parties
Jul 31, 2024
(Electronic) Receipt
Jul 31, 2024
Letter accompanying subsequently filed items
Jul 31, 2024
Letter dealing with oral proceedings during the appeal procedure
Jul 31, 2024
Letter dealing with oral proceedings during the appeal procedure
Jul 10, 2024
F3345 Forwarding of submissions to parties
Jul 5, 2024
(Electronic) Receipt
Jul 5, 2024
Letter accompanying subsequently filed items
Jul 5, 2024
Letter dealing with oral proceedings during the appeal procedure
Jun 25, 2024
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Jun 25, 2024
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Jun 14, 2024
F3345 Forwarding of submissions to parties
Jun 11, 2024
(Electronic) Receipt
Jun 11, 2024
Annexes (other than cited documents) regarding appeal procedure
Jun 11, 2024
Letter accompanying subsequently filed items
Jun 11, 2024
Oral proceedings: Request for postponement
Jun 10, 2024
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Jun 10, 2024
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Jun 10, 2024
F3350 Communication regarding oral proceedings (art. 15 Rules of Procedure of the Boards of Appeal)
May 24, 2024
F3011.1 Oral Proceedings: summons
May 24, 2024
F3011.1 Oral Proceedings: summons
May 21, 2024
Composition of the board (T)
May 21, 2024
F3010 Oral proceedings: order for summons
Feb 8, 2024
F3345 Forwarding of submissions to parties
Feb 7, 2024
F3345 Forwarding of submissions to parties
Feb 5, 2024
(Electronic) Receipt
Feb 5, 2024
Letter accompanying subsequently filed items
Feb 5, 2024
Reply to appeal
Feb 2, 2024
(Electronic) Receipt
Feb 2, 2024
Letter accompanying subsequently filed items
Feb 2, 2024
Reply to appeal
Sep 25, 2023
F3344 Setting time limit for reply/ file observations to appeal (inter partes)
Sep 25, 2023
F3344 Setting time limit for reply/ file observations to appeal (inter partes)
Sep 20, 2023
(Electronic) Receipt
Sep 20, 2023
Amended claims with annotations
Sep 20, 2023
Amended claims with annotations
Sep 20, 2023
Amended claims with annotations
Sep 20, 2023
Amended claims with annotations
Sep 20, 2023
Amended claims with annotations
Sep 20, 2023
Amended claims with annotations
Sep 20, 2023
Amended claims with annotations
Sep 20, 2023
Amended claims with annotations
Sep 20, 2023
Amended claims with annotations
Sep 20, 2023
Amended claims with annotations
Sep 20, 2023
Amended claims with annotations
Sep 20, 2023
Amended claims with annotations
Sep 20, 2023
Amended claims with annotations
Sep 20, 2023
Amended claims with annotations
Sep 20, 2023
Amended claims with annotations
Sep 20, 2023
Amended claims with annotations
Sep 20, 2023
Amended claims with annotations
Sep 20, 2023
Amended claims with annotations
Sep 20, 2023
Amended claims with annotations
Sep 20, 2023
Amended claims with annotations
Sep 20, 2023
Amended claims with annotations
Sep 20, 2023
Amended claims with annotations
Sep 20, 2023
Amended claims with annotations
Sep 20, 2023
Amended claims with annotations
Sep 20, 2023
Amended claims with annotations
Sep 20, 2023
Amended claims with annotations
Sep 20, 2023
Amended claims with annotations
Sep 20, 2023
Amended claims with annotations
Sep 20, 2023
Amended claims with annotations
Sep 20, 2023
Amended claims with annotations
Sep 20, 2023
Amended claims with annotations
Sep 20, 2023
Annexes (other than cited documents) regarding appeal procedure
Sep 20, 2023
Letter accompanying subsequently filed items
Sep 20, 2023
Statement of grounds of appeal
Sep 19, 2023
(Electronic) Receipt
Sep 19, 2023
Annexes (other than cited documents) regarding appeal procedure
Sep 19, 2023
Cited document during appeal procedure
Sep 19, 2023
Letter accompanying subsequently filed items
Sep 19, 2023
Patent Document cited during the appeal procedure
Sep 19, 2023
Statement of grounds of appeal
Jul 26, 2023
F3204 Communication of the file number to the parties
Jul 26, 2023
F3204 Communication of the file number to the parties
Jul 25, 2023
F3204 Communication of the file number to the parties
Jul 25, 2023
F3204 Communication of the file number to the parties
Jul 20, 2023
(Electronic) Receipt
Jul 20, 2023
Letter accompanying subsequently filed items
Jul 20, 2023
Notice of appeal
Jul 19, 2023
(Electronic) Receipt
Jul 19, 2023
Letter accompanying subsequently filed items
Jul 19, 2023
Notice of appeal
May 15, 2023
Advice of delivery
May 12, 2023
Advice of delivery
May 10, 2023
Annex to the communication - opposition
May 10, 2023
Decision of the Opposition Division and instruction
May 10, 2023
Druckexemplar in opposition procedure
May 10, 2023
Grounds for the decision (Annex) - opposition
May 10, 2023
Interlocutory decision in opposition proceedings
May 10, 2023
Interlocutory decision in opposition proceedings
May 10, 2023
Means of redress
May 10, 2023
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
May 10, 2023
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
May 10, 2023
Provision of a copy of the minutes - opposition procedure
May 10, 2023
Provision of a copy of the minutes - opposition procedure
May 10, 2023
Scanned annex to a communication - opposition procedure
May 10, 2023
Scanned annex to a communication - opposition procedure
May 10, 2023
Transmittal of decision / summons - opposition
May 10, 2023
Transmittal of decision / summons - opposition
Apr 19, 2023
Information about the result of oral proceedings
Mar 16, 2023
Brief communication - Opposition proceedings
Mar 13, 2023
(Electronic) Receipt
Mar 13, 2023
Letter accompanying subsequently filed items
Mar 13, 2023
Written submission in preparation to/during oral proceedings
Feb 22, 2023
Brief communication - Opposition proceedings
Feb 20, 2023
Brief communication - Opposition proceedings
Feb 16, 2023
(Electronic) Receipt
Feb 16, 2023
Any annexes (other than citation) to an opposition letter
Feb 16, 2023
Auxiliary request during Opposition procedure - 06
Feb 16, 2023
Auxiliary request during Opposition procedure - 07
Feb 16, 2023
Auxiliary request during Opposition procedure - 08
Feb 16, 2023
Auxiliary request during Opposition procedure - 09
Feb 16, 2023
Auxiliary request during Opposition procedure - 10
Feb 16, 2023
Auxiliary request during Opposition procedure - 11
Feb 16, 2023
Auxiliary request during Opposition procedure - 12
Feb 16, 2023
Auxiliary request during Opposition procedure - 13
Feb 16, 2023
Auxiliary request during Opposition procedure - 14
Feb 16, 2023
Auxiliary request during Opposition procedure - 15
Feb 16, 2023
Letter accompanying subsequently filed items
Feb 16, 2023
Written submission in preparation to/during oral proceedings
Feb 15, 2023
(Electronic) Receipt
Feb 15, 2023
Citation in opposition procedure - 016
Feb 15, 2023
Citation in opposition procedure - 017
Feb 15, 2023
Citation in opposition procedure - 018
Feb 15, 2023
Consolidated list of cited opposition documents
Feb 15, 2023
Letter accompanying subsequently filed items
Feb 15, 2023
Request for interpreters during oral proceedings
Feb 15, 2023
Written submission in preparation to/during oral proceedings
Feb 9, 2023
Brief communication - Opposition proceedings
Feb 6, 2023
(Electronic) Receipt
Feb 6, 2023
(Electronic) Receipt
Feb 6, 2023
Letter accompanying subsequently filed items
Feb 6, 2023
Request for interpreters during oral proceedings
Dec 7, 2022
Notification concerning the date of oral proceedings
Dec 7, 2022
Notification concerning the date of oral proceedings
Jul 27, 2022
Advice of delivery
Jul 25, 2022
Advice of delivery
Jul 22, 2022
Annex to the communication - opposition
Jul 22, 2022
Information concerning oral proceedings
Jul 22, 2022
Scanned annex to a communication - opposition procedure
Jul 22, 2022
Summons to attend oral proceedings
Jul 22, 2022
Summons to attend oral proceedings
Jul 22, 2022
Transmittal of decision / summons - opposition
Jul 22, 2022
Transmittal of decision / summons - opposition
Mar 22, 2022
Brief communication - Opposition proceedings
Mar 17, 2022
(Electronic) Receipt
Mar 17, 2022
Auxiliary request during Opposition procedure
Mar 17, 2022
Auxiliary request during Opposition procedure
Mar 17, 2022
Auxiliary request during Opposition procedure
Mar 17, 2022
Auxiliary request during Opposition procedure
Mar 17, 2022
Auxiliary request during Opposition procedure
Mar 17, 2022
Auxiliary request during Opposition procedure
Mar 17, 2022
Auxiliary request during Opposition procedure
Mar 17, 2022
Auxiliary request during Opposition procedure - 01
Mar 17, 2022
Auxiliary request during Opposition procedure - 02
Mar 17, 2022
Auxiliary request during Opposition procedure - 03
Mar 17, 2022
Auxiliary request during Opposition procedure - 04
Mar 17, 2022
Auxiliary request during Opposition procedure - 05
Mar 17, 2022
Auxiliary request during Opposition procedure - 06
Mar 17, 2022
Auxiliary request during Opposition procedure - 07
Mar 17, 2022
Letter accompanying subsequently filed items
Mar 17, 2022
Reply of the patent proprietor to the notice(s) of opposition
Nov 9, 2021
Communication of a notice of opposition and request to file observations
Nov 9, 2021
Notice of further oppositions to opponent(s)
Oct 29, 2021
Communication of a notice of opposition - first information to patent proprietor
Oct 22, 2021
(Electronic) Receipt
Oct 22, 2021
Any annexes (other than citation) to an opposition letter
Oct 22, 2021
Citation in opposition procedure - 001
Oct 22, 2021
Citation in opposition procedure - 002
Oct 22, 2021
Citation in opposition procedure - 002
Oct 22, 2021
Citation in opposition procedure - 003
Oct 22, 2021
Citation in opposition procedure - 004
Oct 22, 2021
Citation in opposition procedure - 005
Oct 22, 2021
Citation in opposition procedure - 006
Oct 22, 2021
Citation in opposition procedure - 007
Oct 22, 2021
Citation in opposition procedure - 008
Oct 22, 2021
Citation in opposition procedure - 009
Oct 22, 2021
Citation in opposition procedure - 010
Oct 22, 2021
Citation in opposition procedure - 011
Oct 22, 2021
Citation in opposition procedure - 012
Oct 22, 2021
Citation in opposition procedure - 013
Oct 22, 2021
Citation in opposition procedure - 014
Oct 22, 2021
Citation in opposition procedure - 015
Oct 22, 2021
Notice of opposition
Oct 22, 2021
Notice of opposition
Feb 8, 2021
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Jan 14, 2021
Decision to grant a European patent
Dec 1, 2020
(Electronic) Receipt
Dec 1, 2020
Filing of the translations of the claims
Dec 1, 2020
French translation of claims
Dec 1, 2020
German translation of the claims
Dec 1, 2020
Letter accompanying subsequently filed items
Oct 5, 2020
Bibliographic data of the European patent application
Oct 5, 2020
Communication about intention to grant a European patent
Oct 5, 2020
Intention to grant (signatures)
Oct 5, 2020
Text intended for grant (clean copy)
Oct 5, 2020
Text intended for grant (version for approval)
Mar 17, 2020
(Electronic) Receipt
Mar 17, 2020
Amended claims with annotations
Mar 17, 2020
Amended description with annotations
Mar 17, 2020
Claims
Mar 17, 2020
Description
Mar 17, 2020
Letter accompanying subsequently filed items
Mar 17, 2020
Reply to communication from the Examining Division
Jan 10, 2020
Annex to the communication
Jan 10, 2020
Communication from the Examining Division
Aug 12, 2019
(Electronic) Receipt
Aug 12, 2019
Amended claims with annotations
Aug 12, 2019
Claims
Aug 12, 2019
Letter accompanying subsequently filed items
Aug 12, 2019
Reply to communication from the Examining Division
Apr 24, 2019
Annex to the communication
Apr 24, 2019
Communication from the Examining Division
Jan 29, 2019
Examination started
Apr 9, 2018
(Electronic) Receipt
Apr 9, 2018
Amended claims filed after receipt of (European) search report
Apr 9, 2018
Amended claims with annotations
Apr 9, 2018
Amendments received before examination
Apr 9, 2018
Letter accompanying subsequently filed items
Oct 9, 2017
Invitation to declare maintenance of the application and to correct deficiencies in the Written Opinion/amend application
Sep 19, 2017
Communication regarding the transmission of the European search report
Sep 19, 2017
European search opinion
Sep 19, 2017
Information on Search Strategy
Sep 19, 2017
Supplementary European search report
Sep 8, 2017
Search started
Feb 13, 2017
Brief communication to applicant/representative (Legal Division)
Feb 8, 2017
Communication to designated inventor
Feb 2, 2017
(Electronic) Receipt
Feb 2, 2017
Letter accompanying subsequently filed items
Feb 2, 2017
Letter concerning the inventor
Dec 19, 2016
Brief communication to applicant/representative (Legal Division)
Dec 9, 2016
(Electronic) Receipt
Dec 9, 2016
Letter accompanying subsequently filed items
Dec 9, 2016
Letter concerning the inventor
Oct 12, 2016
Communication regarding possible amendment of the application/payment of claims fee
Oct 7, 2016
Invitation to indicate correct address of inventor
Oct 6, 2016
Notification on forthcoming publication of bibliographic data
Sep 8, 2016
Communication confirming withdrawal from representation
Sep 8, 2016
Communication of amended entries concerning the representative
Aug 22, 2016
Letter which had not been notified
Aug 3, 2016
(Electronic) Receipt
Aug 3, 2016
Letter accompanying subsequently filed items
Aug 3, 2016
Submission concerning change of applicant's representative
Aug 1, 2016
Communication to designated inventor
Aug 1, 2016
Communication to designated inventor
Aug 1, 2016
Communication to designated inventor
Aug 1, 2016
Communication to designated inventor
Aug 1, 2016
Communication to designated inventor
Aug 1, 2016
Communication to designated inventor
Aug 1, 2016
Communication to designated inventor
Aug 1, 2016
Communication to designated inventor
Aug 1, 2016
Communication to designated inventor
Jul 26, 2016
Submission concerning change of applicant's representative
Jul 22, 2016
(Electronic) Receipt
Jul 22, 2016
Request for entry into the European phase
Jul 12, 2016
Copy of the international preliminary report on patentability
May 9, 2016
Information on entry into European phase
Jul 23, 2015
Priority document (electronically transmitted)
Jul 2, 2015
Copy of the international search report
Jul 2, 2015
Published international application - A1

EP3086905

SAINT GOBAIN

Application Number: EP14874380A
Filing Date: Dec 12, 2014
Status: Patent Maintained As Amended; Apr 4, 2025
Publication Date: May 7, 2025
External Links: Slate, Register , Google Patents

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Nonwoven Abrasive Articles Made By Friction Welding

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Dossier Documents

EP3086905