Disposable Diaper

Patent No. EP3318229 (titled "Disposable Diaper") was filed by Unicharm on May 13, 2016. The application was issued on Sep 23, 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
THE PROCTER & GAMBLE	Jun 22, 2021	ELKINGTON AND FIFE
ESSITY HYGIENE AND HEALTH AKTIEBOLAG	Jun 21, 2021	HOFFMANN EITLE

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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May 30, 2025
Decision of the Board of Appeal
May 30, 2025
F3032 Notification(s) of the decision
May 30, 2025
F3032 Notification(s) of the decision
May 30, 2025
F3032 Notification(s) of the decision
May 6, 2025
F3013 Oral Proceedings: Forwarding minutes
May 6, 2025
F3013 Oral Proceedings: Forwarding minutes
May 6, 2025
F3013 Oral Proceedings: Forwarding minutes
May 6, 2025
F3316 Oral Proceedings: Minutes (Appellant: Opponent)
Apr 15, 2025
F3345 Forwarding of submissions to parties
Apr 15, 2025
F3345 Forwarding of submissions to parties
Apr 9, 2025
F3345 Forwarding of submissions to parties
Apr 9, 2025
F3345 Forwarding of submissions to parties
Apr 9, 2025
Oral proceedings: reply to date proposed
Apr 3, 2025
(Electronic) Receipt
Apr 3, 2025
Letter accompanying subsequently filed items
Apr 3, 2025
Oral proceedings: change of venue
Apr 3, 2025
Oral proceedings: change of venue
Apr 3, 2025
Oral proceedings: change of venue
Apr 3, 2025
Oral proceedings: reply to date proposed
Apr 2, 2025
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Apr 2, 2025
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Apr 2, 2025
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Mar 28, 2025
F3345 Forwarding of submissions to parties
Mar 28, 2025
F3345 Forwarding of submissions to parties
Mar 28, 2025
F3345 Forwarding of submissions to parties
Mar 28, 2025
F3345 Forwarding of submissions to parties
Mar 25, 2025
(Electronic) Receipt
Mar 25, 2025
(Electronic) Receipt
Mar 25, 2025
Letter accompanying subsequently filed items
Mar 25, 2025
Letter accompanying subsequently filed items
Mar 25, 2025
Letter dealing with oral proceedings during the appeal procedure
Mar 25, 2025
Request for interpreters during oral proceedings
Feb 13, 2025
F3345 Forwarding of submissions to parties
Feb 13, 2025
F3345 Forwarding of submissions to parties
Feb 12, 2025
F3345 Forwarding of submissions to parties
Feb 12, 2025
F3345 Forwarding of submissions to parties
Jan 31, 2025
(Electronic) Receipt
Jan 31, 2025
Letter accompanying subsequently filed items
Jan 31, 2025
Letter dealing with oral proceedings during the appeal procedure
Jan 30, 2025
(Electronic) Receipt
Jan 30, 2025
(Electronic) Receipt
Jan 30, 2025
F3345 Forwarding of submissions to parties
Jan 30, 2025
Letter accompanying subsequently filed items
Jan 30, 2025
Letter accompanying subsequently filed items
Jan 30, 2025
Oral proceedings: reply to date proposed
Jan 30, 2025
Oral proceedings: reply to date proposed
Jun 13, 2024
F3011.1 Oral Proceedings: summons
Jun 13, 2024
F3011.1 Oral Proceedings: summons
Jun 13, 2024
F3011.1 Oral Proceedings: summons
Jun 10, 2024
F3010 Oral proceedings: order for summons
Mar 28, 2024
F3345 Forwarding of submissions to parties
Mar 28, 2024
F3345 Forwarding of submissions to parties
Mar 25, 2024
(Electronic) Receipt
Mar 25, 2024
Letter accompanying subsequently filed items
Mar 25, 2024
Letter relating to Appeal Procedure
Feb 16, 2024
F3345 Forwarding of submissions to parties
Feb 16, 2024
F3345 Forwarding of submissions to parties
Feb 12, 2024
(Electronic) Receipt
Feb 12, 2024
Letter accompanying subsequently filed items
Feb 12, 2024
Letter relating to Appeal Procedure
Feb 5, 2024
Composition of the board (T)
Jan 8, 2024
F3345 Forwarding of submissions to parties
Jan 8, 2024
F3345 Forwarding of submissions to parties
Dec 29, 2023
(Electronic) Receipt
Dec 29, 2023
Amended claims with annotations
Dec 29, 2023
Amended claims with annotations
Dec 29, 2023
Amended claims with annotations
Dec 29, 2023
Amended claims with annotations
Dec 29, 2023
Amended claims with annotations
Dec 29, 2023
Amended claims with annotations
Dec 29, 2023
Amended claims with annotations
Dec 29, 2023
Amended claims with annotations
Dec 29, 2023
Amended claims with annotations
Dec 29, 2023
Amended claims with annotations
Dec 29, 2023
Amended claims with annotations
Dec 29, 2023
Auxiliary request during appeals procedure - 01
Dec 29, 2023
Auxiliary request during appeals procedure - 02
Dec 29, 2023
Auxiliary request during appeals procedure - 03
Dec 29, 2023
Auxiliary request during appeals procedure - 04
Dec 29, 2023
Auxiliary request during appeals procedure - 05
Dec 29, 2023
Auxiliary request during appeals procedure - 06
Dec 29, 2023
Auxiliary request during appeals procedure - 07
Dec 29, 2023
Auxiliary request during appeals procedure - 08
Dec 29, 2023
Auxiliary request during appeals procedure - 09
Dec 29, 2023
Auxiliary request during appeals procedure - 10
Dec 29, 2023
Auxiliary request during appeals procedure - 11
Dec 29, 2023
Letter accompanying subsequently filed items
Dec 29, 2023
Main request during appeals procedure
Dec 29, 2023
Reply to appeal
Aug 21, 2023
F3344 Setting time limit for reply/ file observations to appeal (inter partes)
Aug 21, 2023
F3344 Setting time limit for reply/ file observations to appeal (inter partes)
Aug 21, 2023
F3344 Setting time limit for reply/ file observations to appeal (inter partes)
Aug 15, 2023
(Electronic) Receipt
Aug 15, 2023
Letter accompanying subsequently filed items
Aug 15, 2023
Patent document cited during the opposition procedure
Aug 15, 2023
Patent document cited during the opposition procedure
Aug 15, 2023
Patent document cited during the opposition procedure
Aug 15, 2023
Patent document cited during the opposition procedure
Aug 15, 2023
Patent document cited during the opposition procedure
Aug 15, 2023
Patent document cited during the opposition procedure
Aug 15, 2023
Patent document cited during the opposition procedure
Aug 15, 2023
Patent document cited during the opposition procedure
Aug 15, 2023
Patent document cited during the opposition procedure
Aug 15, 2023
Statement of grounds of appeal
Aug 15, 2023
Statement of grounds of appeal
Aug 15, 2023
Translation of the evidence during Opposition procedure
Aug 15, 2023
Translation of the evidence during Opposition procedure
Aug 3, 2023
(Electronic) Receipt
Aug 3, 2023
Citation in appeal procedure - 001
Aug 3, 2023
Citation in appeal procedure - 002
Aug 3, 2023
Citation in appeal procedure - 003
Aug 3, 2023
Citation in appeal procedure - 003
Aug 3, 2023
Citation in appeal procedure - 004
Aug 3, 2023
Citation in appeal procedure - 005
Aug 3, 2023
Citation in appeal procedure - 006
Aug 3, 2023
Citation in appeal procedure - 007
Aug 3, 2023
Citation in appeal procedure - 008
Aug 3, 2023
Citation in appeal procedure - 008
Aug 3, 2023
Citation in appeal procedure - 009
Aug 3, 2023
Letter accompanying subsequently filed items
Aug 3, 2023
Statement of grounds of appeal
May 24, 2023
F3204 Communication of the file number to the parties
May 23, 2023
F3204 Communication of the file number to the parties
May 18, 2023
(Electronic) Receipt
May 18, 2023
Letter accompanying subsequently filed items
May 18, 2023
Notice of appeal
May 11, 2023
(Electronic) Receipt
May 11, 2023
Letter accompanying subsequently filed items
May 11, 2023
Notice of appeal
Apr 19, 2023
(Electronic) Receipt
Apr 19, 2023
Advice of delivery
Apr 19, 2023
Letter accompanying subsequently filed items
Apr 17, 2023
Advice of delivery
Apr 11, 2023
Advice of delivery
Apr 6, 2023
Annex to the communication - opposition
Apr 6, 2023
Decision of the Opposition Division and instruction
Apr 6, 2023
Decision rejecting the opposition
Apr 6, 2023
Decision rejecting the opposition
Apr 6, 2023
Decision rejecting the opposition
Apr 6, 2023
Grounds for the decision (Annex) - opposition
Apr 6, 2023
Means of redress
Apr 6, 2023
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Apr 6, 2023
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Apr 6, 2023
Provision of a copy of the minutes - opposition procedure
Apr 6, 2023
Provision of a copy of the minutes - opposition procedure
Apr 6, 2023
Provision of a copy of the minutes - opposition procedure
Apr 6, 2023
Transmittal of decision / summons - opposition
Apr 6, 2023
Transmittal of decision / summons - opposition
Apr 6, 2023
Transmittal of decision / summons - opposition
Mar 16, 2023
Information about the result of oral proceedings
Jan 23, 2023
Brief communication - Opposition proceedings
Jan 23, 2023
Brief communication - Opposition proceedings
Jan 23, 2023
Brief communication - Opposition proceedings
Jan 23, 2023
Brief communication - Opposition proceedings
Jan 16, 2023
(Electronic) Receipt
Jan 16, 2023
Brief communication - Opposition proceedings
Jan 16, 2023
Brief communication - Opposition proceedings
Jan 16, 2023
Letter accompanying subsequently filed items
Jan 16, 2023
Written submission in preparation to/during oral proceedings
Jan 13, 2023
(Electronic) Receipt
Jan 13, 2023
(Electronic) Receipt
Jan 13, 2023
Letter accompanying subsequently filed items
Jan 13, 2023
Request for interpreters during oral proceedings
Jan 9, 2023
(Electronic) Receipt
Jan 9, 2023
(Electronic) Receipt
Jan 9, 2023
Letter accompanying subsequently filed items
Jan 9, 2023
Request for interpreters during oral proceedings
Jan 9, 2023
Written submission in preparation to/during oral proceedings
Jan 4, 2023
Brief communication - Opposition proceedings
Jan 4, 2023
Brief communication - Opposition proceedings
Dec 21, 2022
(Electronic) Receipt
Dec 21, 2022
Letter accompanying subsequently filed items
Dec 21, 2022
Written submission in preparation to/during oral proceedings
Dec 8, 2022
Notification concerning the date of oral proceedings
Dec 8, 2022
Notification concerning the date of oral proceedings
Dec 8, 2022
Notification concerning the date of oral proceedings
Dec 6, 2022
Brief communication - Opposition proceedings
Dec 6, 2022
Brief communication - Opposition proceedings
Nov 29, 2022
(Electronic) Receipt
Nov 29, 2022
Letter accompanying subsequently filed items
Nov 29, 2022
Written submission in preparation to/during oral proceedings
Oct 27, 2022
Advice of delivery
Aug 22, 2022
Advice of delivery
Aug 19, 2022
(Electronic) Receipt
Aug 19, 2022
Advice of delivery
Aug 19, 2022
Annex to the communication - opposition
Aug 19, 2022
Information concerning oral proceedings
Aug 19, 2022
Letter accompanying subsequently filed items
Aug 19, 2022
Scanned annex to a communication - opposition procedure
Aug 19, 2022
Summons to attend oral proceedings
Aug 19, 2022
Summons to attend oral proceedings
Aug 19, 2022
Summons to attend oral proceedings
Aug 19, 2022
Transmittal of decision / summons - opposition
Aug 19, 2022
Transmittal of decision / summons - opposition
Aug 19, 2022
Transmittal of decision / summons - opposition
Jan 20, 2022
Brief communication - Opposition proceedings
Jan 20, 2022
Brief communication - Opposition proceedings
Jan 17, 2022
(Electronic) Receipt
Jan 17, 2022
Letter accompanying subsequently filed items
Jan 17, 2022
Letter regarding the opposition procedure (no time limit)
Nov 18, 2021
Brief communication - Opposition proceedings
Nov 18, 2021
Brief communication - Opposition proceedings
Nov 12, 2021
(Electronic) Receipt
Nov 12, 2021
Auxiliary request during Opposition procedure
Nov 12, 2021
Auxiliary request during Opposition procedure
Nov 12, 2021
Auxiliary request during Opposition procedure
Nov 12, 2021
Auxiliary request during Opposition procedure
Nov 12, 2021
Auxiliary request during Opposition procedure
Nov 12, 2021
Auxiliary request during Opposition procedure
Nov 12, 2021
Auxiliary request during Opposition procedure
Nov 12, 2021
Auxiliary request during Opposition procedure
Nov 12, 2021
Auxiliary request during Opposition procedure
Nov 12, 2021
Auxiliary request during Opposition procedure
Nov 12, 2021
Auxiliary request during Opposition procedure
Nov 12, 2021
Auxiliary request during Opposition procedure - 01
Nov 12, 2021
Auxiliary request during Opposition procedure - 02
Nov 12, 2021
Auxiliary request during Opposition procedure - 03
Nov 12, 2021
Auxiliary request during Opposition procedure - 04
Nov 12, 2021
Auxiliary request during Opposition procedure - 05
Nov 12, 2021
Auxiliary request during Opposition procedure - 06
Nov 12, 2021
Auxiliary request during Opposition procedure - 07
Nov 12, 2021
Auxiliary request during Opposition procedure - 08
Nov 12, 2021
Auxiliary request during Opposition procedure - 09
Nov 12, 2021
Auxiliary request during Opposition procedure - 10
Nov 12, 2021
Auxiliary request during Opposition procedure - 11
Nov 12, 2021
Letter accompanying subsequently filed items
Nov 12, 2021
Main request during Opposition procedure
Nov 12, 2021
Reply of the patent proprietor to the notice(s) of opposition
Jul 5, 2021
Communication of a notice of opposition and request to file observations
Jul 5, 2021
Notice of further oppositions to opponent(s)
Jul 5, 2021
Notice of further oppositions to opponent(s)
Jun 28, 2021
Brief communication - Opposition proceedings
Jun 25, 2021
Communication of a notice of opposition - first information to patent proprietor
Jun 22, 2021
(Electronic) Receipt
Jun 22, 2021
Citation in opposition procedure - 005
Jun 22, 2021
Citation in opposition procedure - 006
Jun 22, 2021
Citation in opposition procedure - 007
Jun 22, 2021
Citation in opposition procedure - 008
Jun 22, 2021
Citation in opposition procedure - 008
Jun 22, 2021
Citation in opposition procedure - 009
Jun 22, 2021
Consolidated list of cited opposition documents
Jun 22, 2021
Notice of opposition
Jun 22, 2021
Notice of opposition
Jun 22, 2021
Notice of opposition
Jun 21, 2021
(Electronic) Receipt
Jun 21, 2021
Citation in opposition procedure - 001
Jun 21, 2021
Citation in opposition procedure - 002
Jun 21, 2021
Citation in opposition procedure - 003
Jun 21, 2021
Citation in opposition procedure - 003
Jun 21, 2021
Citation in opposition procedure - 004
Jun 21, 2021
Notice of opposition
Jun 21, 2021
Notice of opposition
Oct 5, 2020
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Aug 27, 2020
Decision to grant a European patent
Aug 18, 2020
(Electronic) Receipt
Aug 18, 2020
Filing of the translations of the claims
Aug 18, 2020
French translation of claims
Aug 18, 2020
German translation of the claims
Aug 18, 2020
Letter accompanying subsequently filed items
May 27, 2020
Bibliographic data of the European patent application
May 27, 2020
Communication about intention to grant a European patent
May 27, 2020
Intention to grant (signatures)
May 27, 2020
Text intended for grant (clean copy)
May 27, 2020
Text intended for grant (version for approval)
May 6, 2020
Examination started
Oct 25, 2018
(Electronic) Receipt
Oct 25, 2018
Amended claims filed after receipt of (European) search report
Oct 25, 2018
Amended claims with annotations
Oct 25, 2018
Amended description filed after receipt of (European) search report
Oct 25, 2018
Amended description with annotations
Oct 25, 2018
Amended drawings filed after receipt of (European) search report
Oct 25, 2018
Amendments received before examination
Oct 25, 2018
Letter accompanying subsequently filed items
Apr 17, 2018
Invitation to declare maintenance of the application and to correct deficiencies in the Written Opinion/amend application
Apr 11, 2018
Notification of forthcoming publication
Mar 29, 2018
Communication regarding the transmission of the European search report
Mar 29, 2018
European search opinion
Mar 29, 2018
Information on Search Strategy
Mar 29, 2018
Supplementary European search report
Mar 15, 2018
Search started
Feb 2, 2018
Communication to designated inventor
Feb 2, 2018
Communication to designated inventor
Feb 2, 2018
Communication to designated inventor
Jan 16, 2018
Copy of the international preliminary report on patentability
Jan 16, 2018
Translation of the international preliminary report on patentability
Dec 22, 2017
(Electronic) Receipt
Dec 22, 2017
Abstract
Dec 22, 2017
Amended claims filed after receipt of (European) search report
Dec 22, 2017
Amended claims with annotations
Dec 22, 2017
Claims
Dec 22, 2017
Description
Dec 22, 2017
Drawings
Dec 22, 2017
Request for entry into the European phase
Nov 10, 2017
Information on entry into European phase
Jan 23, 2017
Priority document (electronically transmitted)
Jan 5, 2017
Copy of the international search report
Jan 5, 2017
Copy of the translated international search report
Jan 5, 2017
International publication pamphlet

EP3318229

UNICHARM

Application Number: EP16817570A
Filing Date: May 13, 2016
Status: Revoked; Jun 2, 2025
Publication Date: Sep 23, 2020
External Links: Slate, Register , Google Patents

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Disposable Diaper

Patent Summary

Patent Family

Patent Oppositions (2)

Dossier Documents

EP3318229