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Image Forming Apparatus, Communication Device, And Cartridge - EP2054778

The patent EP2054778 was granted to Canon Kabushiki Kaisha on Mar 26, 2025. The application was originally filed on Nov 7, 2007 under application number EP07831774A. The patent is currently recorded with a legal status of "Patent Maintained As Amended".

EP2054778

CANON KABUSHIKI KAISHA

Application Number: EP07831774A
Filing Date: Nov 7, 2007
Status: Patent Maintained As Amended; Feb 21, 2025
Grant Date: Mar 26, 2025
External Links: Slate, Register, Google Patents

Patent Summary

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Patent Oppositions

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	Opposition Status
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NICKEL	May 29, 2019	ADMISSIBLE

Patent Citations (12) New

Patent citations refer to prior patents cited during different phases such as opposition or international search.

Citation Phase	Publication Number	Publication Link
INTERNATIONAL-SEARCH-REPORT	EP1089133
INTERNATIONAL-SEARCH-REPORT	EP1289214
INTERNATIONAL-SEARCH-REPORT	JP2002040904
INTERNATIONAL-SEARCH-REPORT	US2002015597
INTERNATIONAL-SEARCH-REPORT	US2007121709
OPPOSITION	EP1089133
OPPOSITION	EP1289214
OPPOSITION	JP2002040904
OPPOSITION	JP2003248798
OPPOSITION	US2002015597
OPPOSITION	US2007121709
OPPOSITION	US6631967

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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 27, 2025
Decision to maintain the European patent in amended form
OPPO
Feb 27, 2025
Decision to maintain the European patent in amended form
OPPO
Aug 14, 2024
(Electronic) Receipt
OPPO
Aug 14, 2024
Filing of the translation of the amended claims
OPPO
Aug 14, 2024
French translation of claims
OPPO
Aug 14, 2024
German translation of the claims
OPPO
May 14, 2024
Communication to opponent concerning maintenance
OPPO
May 14, 2024
Communication with request to file translations
OPPO
May 8, 2024
Maintenance of the patent with the documents specified in the final decision
OPPO
Feb 8, 2024
Annex to the communication - opposition
OPPO
Feb 8, 2024
Brief communication - Opposition proceedings
OPPO
Feb 8, 2024
Brief communication - Opposition proceedings
OPPO
Feb 8, 2024
Decision of the Opposition Division and instruction
OPPO
Feb 8, 2024
Druckexemplar in opposition procedure
OPPO
Feb 8, 2024
Grounds for the decision (Annex) - opposition
OPPO
Feb 8, 2024
Interlocutory decision in opposition proceedings
OPPO
Feb 8, 2024
Interlocutory decision in opposition proceedings
OPPO
Feb 8, 2024
Means of redress
OPPO
Feb 8, 2024
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
OPPO
Feb 8, 2024
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
OPPO
Feb 8, 2024
Provision of a copy of the minutes - opposition procedure
OPPO
Feb 8, 2024
Provision of a copy of the minutes - opposition procedure
OPPO
Jan 17, 2024
Information about the result of oral proceedings
OPPO
Nov 30, 2023
Brief communication - Opposition proceedings
OPPO
Nov 27, 2023
(Electronic) Receipt
OPPO
Nov 27, 2023
Letter accompanying subsequently filed items
OPPO
Nov 27, 2023
Written submission in preparation to/during oral proceedings
OPPO
Nov 15, 2023
Brief communication - Opposition proceedings
OPPO
Nov 15, 2023
Brief communication - Opposition proceedings
OPPO
Nov 10, 2023
(Electronic) Receipt
OPPO
Nov 10, 2023
Request for interpreters during oral proceedings
OPPO
Nov 10, 2023
Written submission in preparation to/during oral proceedings
OPPO
Nov 9, 2023
(Electronic) Receipt
OPPO
Nov 9, 2023
Amended description with annotations
OPPO
Nov 9, 2023
Description
OPPO
Nov 9, 2023
Written submission in preparation to/during oral proceedings
OPPO
Nov 9, 2023
Written submission in preparation to/during oral proceedings
OPPO
May 9, 2023
(Electronic) Receipt
OPPO
May 9, 2023
Advice of delivery
OPPO
May 9, 2023
Annex to the communication - opposition
OPPO
May 9, 2023
Information concerning oral proceedings
OPPO
May 9, 2023
Letter accompanying subsequently filed items
OPPO
May 9, 2023
Summons to attend oral proceedings
OPPO
May 9, 2023
Summons to attend oral proceedings
OPPO
May 9, 2023
Transmittal of decision / summons - opposition
OPPO
May 9, 2023
Transmittal of decision / summons - opposition
OPPO
Mar 16, 2023
Brief communication - Opposition proceedings
OPPO
Mar 8, 2023
(Electronic) Receipt
OPPO
Mar 8, 2023
Letter accompanying subsequently filed items
OPPO
Mar 8, 2023
Letter regarding the opposition procedure (no time limit)
OPPO
Mar 6, 2023
Brief communication - Opposition proceedings
OPPO
Feb 24, 2023
(Electronic) Receipt
OPPO
Feb 24, 2023
Letter accompanying subsequently filed items
OPPO
Feb 24, 2023
Reply to an examination report in opposition proceedings
OPPO
Feb 3, 2023
Brief communication - Opposition proceedings
OPPO
Jan 31, 2023
(Electronic) Receipt
OPPO
Jan 31, 2023
Amended description with annotations
OPPO
Jan 31, 2023
Description
OPPO
Jan 31, 2023
Letter accompanying subsequently filed items
OPPO
Jan 31, 2023
Reply to an examination report in opposition proceedings
OPPO
Oct 4, 2022
Annex to the communication - opposition
OPPO
Oct 4, 2022
Brief communication - Opposition proceedings
OPPO
Oct 4, 2022
Brief communication - Opposition proceedings
OPPO
Oct 4, 2022
Communication inviting the parties to file observations
OPPO
Oct 4, 2022
Communication inviting the parties to file observations
OPPO
Jul 15, 2022
Refund of fees
Appeal
Jul 13, 2022
Decision of the Board of Appeal
OPPO
Jul 13, 2022
Decision of the Board of Appeal
Appeal
Jul 13, 2022
F3032 Notification(s) of the decision
Appeal
Jul 13, 2022
F3032 Notification(s) of the decision
Appeal
Apr 4, 2022
F3014 Oral Proceedings: Order cancelling/postponing
Appeal
Apr 4, 2022
F3017 Oral Proceedings: Notification of cancellation/postponing
Appeal
Apr 4, 2022
F3017 Oral Proceedings: Notification of cancellation/postponing
Appeal
Apr 1, 2022
F3345 Forwarding of submissions to parties
Appeal
Mar 31, 2022
(Electronic) Receipt
Appeal
Mar 31, 2022
Letter accompanying subsequently filed items
Appeal
Mar 31, 2022
Withdrawal of a request for oral proceedings
Appeal
Mar 14, 2022
(Electronic) Receipt
Appeal
Mar 14, 2022
F3345 Forwarding of submissions to parties
Appeal
Mar 14, 2022
Letter accompanying subsequently filed items
Appeal
Mar 14, 2022
Withdrawal of a request for oral proceedings
Appeal
Mar 1, 2022
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Appeal
Mar 1, 2022
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Appeal
Feb 14, 2022
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Appeal
Feb 14, 2022
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Appeal
Feb 11, 2022
(Electronic) Receipt
Appeal
Feb 11, 2022
F3345 Forwarding of submissions to parties
Appeal
Feb 11, 2022
Letter accompanying subsequently filed items
Appeal
Feb 11, 2022
Letter dealing with oral proceedings during the appeal procedure
Appeal
Feb 7, 2022
(Electronic) Receipt
Appeal
Feb 7, 2022
F3345 Forwarding of submissions to parties
Appeal
Feb 7, 2022
Letter accompanying subsequently filed items
Appeal
Feb 7, 2022
Oral proceedings: Request for postponement
Appeal
Jan 25, 2022
F3011.2 Oral Proceedings: Summons VICO
Appeal
Jan 25, 2022
F3011.2 Oral Proceedings: Summons VICO
Appeal
Jan 24, 2022
F3010 Oral proceedings: order for summons
Appeal
Jan 10, 2022
F3345 Forwarding of submissions to parties
Appeal
Jan 3, 2022
(Electronic) Receipt
Appeal
Jan 3, 2022
Letter accompanying subsequently filed items
Appeal
Jan 3, 2022
Reply to appeal
Appeal
Sep 17, 2021
Composition of the board (T)
Appeal
Aug 24, 2021
F3344 Setting time limit for reply/ file observations to appeal (inter partes)
Appeal
Aug 19, 2021
(Electronic) Receipt
Appeal
Aug 19, 2021
Amended claims with annotations
Appeal
Aug 19, 2021
Amended claims with annotations
Appeal
Aug 19, 2021
Amended claims with annotations
Appeal
Aug 19, 2021
Amended description with annotations
Appeal
Aug 19, 2021
Auxiliary request during appeals procedure - 01
Appeal
Aug 19, 2021
Auxiliary request during appeals procedure - 02
Appeal
Aug 19, 2021
Auxiliary request during appeals procedure - 03
Appeal
Aug 19, 2021
Auxiliary request during appeals procedure - 04
Appeal
Aug 19, 2021
Description
Appeal
Aug 19, 2021
Letter accompanying subsequently filed items
Appeal
Aug 19, 2021
Statement of grounds of appeal
Appeal
Jun 17, 2021
F3204 Communication of the file number to the parties
Appeal
Jun 17, 2021
F3204 Communication of the file number to the parties
Appeal
Jun 11, 2021
(Electronic) Receipt
Appeal
Jun 11, 2021
Letter accompanying subsequently filed items
Appeal
Jun 11, 2021
Notice of appeal
Appeal
Apr 9, 2021
(Electronic) Receipt
OPPO
Apr 9, 2021
Advice of delivery
OPPO
Apr 9, 2021
Advice of delivery
OPPO
Apr 9, 2021
Annex to a communication
OPPO
Apr 9, 2021
Annex to the communication - opposition
OPPO
Apr 9, 2021
Decision of the Opposition Division and instruction
OPPO
Apr 9, 2021
Decision revoking the European patent
OPPO
Apr 9, 2021
Decision revoking the European patent
OPPO
Apr 9, 2021
Grounds for the decision (Annex) - opposition
OPPO
Apr 9, 2021
Internal form - Opposition/addressees
OPPO
Apr 9, 2021
Internal form - Opposition/addressees
OPPO
Apr 9, 2021
Letter accompanying subsequently filed items
OPPO
Apr 9, 2021
Means of redress
OPPO
Apr 9, 2021
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
OPPO
Apr 9, 2021
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
OPPO
Apr 9, 2021
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
OPPO
Apr 9, 2021
Provision of a copy of the minutes - opposition procedure
OPPO
Apr 9, 2021
Provision of a copy of the minutes - opposition procedure
OPPO
Apr 9, 2021
Transmittal of decision / summons - opposition
OPPO
Apr 9, 2021
Transmittal of decision / summons - opposition
OPPO
Feb 17, 2021
Information about the result of oral proceedings
OPPO
Jan 12, 2021
(Electronic) Receipt
OPPO
Jan 8, 2021
(Electronic) Receipt
OPPO
Jan 8, 2021
Letter accompanying subsequently filed items
OPPO
Dec 22, 2020
Brief communication - Opposition proceedings
OPPO
Dec 22, 2020
Brief communication - Opposition proceedings
OPPO
Dec 17, 2020
Notification concerning the date of oral proceedings
OPPO
Dec 17, 2020
Notification concerning the date of oral proceedings
OPPO
Dec 16, 2020
(Electronic) Receipt
OPPO
Dec 16, 2020
(Electronic) Receipt
OPPO
Dec 16, 2020
Auxiliary request during Opposition procedure
OPPO
Dec 16, 2020
Auxiliary request during Opposition procedure
OPPO
Dec 16, 2020
Auxiliary request during Opposition procedure
OPPO
Dec 16, 2020
Auxiliary request during Opposition procedure
OPPO
Dec 16, 2020
Auxiliary request during Opposition procedure
OPPO
Dec 16, 2020
Auxiliary request during Opposition procedure
OPPO
Dec 16, 2020
Auxiliary request during Opposition procedure
OPPO
Dec 16, 2020
Auxiliary request during Opposition procedure
OPPO
Dec 16, 2020
Auxiliary request during Opposition procedure - 04
OPPO
Dec 16, 2020
Auxiliary request during Opposition procedure - 05
OPPO
Dec 16, 2020
Auxiliary request during Opposition procedure - 06
OPPO
Dec 16, 2020
Auxiliary request during Opposition procedure - 07
OPPO
Dec 16, 2020
Auxiliary request during Opposition procedure - 08
OPPO
Dec 16, 2020
Auxiliary request during Opposition procedure - 09
OPPO
Dec 16, 2020
Auxiliary request during Opposition procedure - 10
OPPO
Dec 16, 2020
Auxiliary request during Opposition procedure - 11
OPPO
Dec 16, 2020
Citation in opposition procedure - 008
OPPO
Dec 16, 2020
Consolidated list of cited opposition documents
OPPO
Dec 16, 2020
Letter accompanying subsequently filed items
OPPO
Dec 16, 2020
Letter accompanying subsequently filed items
OPPO
Dec 16, 2020
Written submission in preparation to/during oral proceedings
OPPO
Dec 16, 2020
Written submission in preparation to/during oral proceedings
OPPO
Jul 17, 2020
Advice of delivery
OPPO
Jul 10, 2020
(Electronic) Receipt
OPPO
Jul 10, 2020
Advice of delivery
OPPO
Jul 10, 2020
Letter accompanying subsequently filed items
OPPO
Jul 7, 2020
Acknowledgement of a document
OPPO
Jul 7, 2020
Acknowledgement of a document
OPPO
Jul 7, 2020
Annex to the communication - opposition
OPPO
Jul 7, 2020
Information concerning oral proceedings
OPPO
Jul 7, 2020
Summons to attend oral proceedings
OPPO
Jul 7, 2020
Summons to attend oral proceedings
OPPO
Oct 30, 2019
Brief communication - Opposition proceedings
OPPO
Oct 25, 2019
(Electronic) Receipt
OPPO
Oct 25, 2019
Auxiliary request during Opposition procedure
OPPO
Oct 25, 2019
Auxiliary request during Opposition procedure
OPPO
Oct 25, 2019
Auxiliary request during Opposition procedure
OPPO
Oct 25, 2019
Auxiliary request during Opposition procedure - 01
OPPO
Oct 25, 2019
Auxiliary request during Opposition procedure - 02
OPPO
Oct 25, 2019
Auxiliary request during Opposition procedure - 03
OPPO
Oct 25, 2019
Letter accompanying subsequently filed items
OPPO
Oct 25, 2019
Reply of the patent proprietor to the notice(s) of opposition
OPPO
Jun 18, 2019
Communication of a notice of opposition and request to file observations
OPPO
Jun 18, 2019
Notice of further oppositions to opponent(s)
OPPO
Jun 12, 2019
Communication of a notice of opposition - first information to patent proprietor
OPPO
Jun 12, 2019
Request for documents
OPPO
May 29, 2019
(Electronic) Receipt
OPPO
May 29, 2019
Citation in opposition procedure - 001
OPPO
May 29, 2019
Citation in opposition procedure - 002
OPPO
May 29, 2019
Citation in opposition procedure - 003
OPPO
May 29, 2019
Citation in opposition procedure - 004
OPPO
May 29, 2019
Citation in opposition procedure - 005
OPPO
May 29, 2019
Citation in opposition procedure - 006
OPPO
May 29, 2019
Citation in opposition procedure - 006
OPPO
May 29, 2019
Citation in opposition procedure - 007
OPPO
May 29, 2019
Notice of opposition
OPPO
May 29, 2019
Notice of opposition
OPPO
Sep 10, 2018
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Search/Exam
Aug 2, 2018
Decision to grant a European patent
Search/Exam
Jul 20, 2018
(Electronic) Receipt
Search/Exam
Jul 20, 2018
French translation of claims
Search/Exam
Jul 20, 2018
German translation of the claims
Search/Exam
Jul 20, 2018
Letter accompanying subsequently filed items
Search/Exam
Mar 14, 2018
Bibliographic data of the European patent application
Search/Exam
Mar 14, 2018
Communication about intention to grant a European patent
Search/Exam
Mar 14, 2018
Intention to grant (signatures)
Search/Exam
Mar 14, 2018
Text intended for grant (clean copy)
Search/Exam
Mar 14, 2018
Text intended for grant (version for approval)
Search/Exam
Dec 6, 2017
(Electronic) Receipt
Search/Exam
Dec 6, 2017
Amended claims with annotations
Search/Exam
Dec 6, 2017
Claims
Search/Exam
Dec 6, 2017
Description
Search/Exam
Dec 6, 2017
Letter accompanying subsequently filed items
Search/Exam
Dec 6, 2017
Reply to communication from the Examining Division
Search/Exam
Aug 18, 2017
Annex to the communication
Search/Exam
Aug 18, 2017
Communication from the Examining Division
Search/Exam
Jun 1, 2017
(Electronic) Receipt
Search/Exam
Jun 1, 2017
Amended claims with annotations
Search/Exam
Jun 1, 2017
Claims
Search/Exam
Jun 1, 2017
Description
Search/Exam
Jun 1, 2017
Letter accompanying subsequently filed items
Search/Exam
Jun 1, 2017
Reply to communication from the Examining Division
Search/Exam
Jan 31, 2017
Annex to the communication
Search/Exam
Jan 31, 2017
Communication from the Examining Division
Search/Exam
Jan 25, 2017
Examination started
Search/Exam
Oct 24, 2016
Notification regarding date of start of examination with possibility to withdraw
Search/Exam
Apr 5, 2011
Submission concerning representation
Search/Exam
Jul 16, 2009
Refund of fees
Search/Exam
Jun 17, 2009
Copy of the international preliminary report on patentability
Search/Exam
May 13, 2009
(Electronic) Receipt
Search/Exam
May 13, 2009
Amended claims filed after receipt of (European) search report
Search/Exam
May 13, 2009
Amended claims with annotations
Search/Exam
May 13, 2009
Amendments received before examination
Search/Exam
May 13, 2009
Letter accompanying subsequently filed items
Search/Exam
Apr 8, 2009
Communication regarding possible amendment of claims/payment of claims fees
Search/Exam
Apr 8, 2009
Notification on forthcoming publication of bibliographic data
Search/Exam
Mar 13, 2009
Matter concerning the application
Search/Exam
Jun 26, 2008
(Electronic) Receipt
Search/Exam
Jun 26, 2008
Request for entry into the European phase
Search/Exam
Jun 24, 2008
Priority document (electronically transmitted)
Search/Exam
Jun 5, 2008
Copy of the international search report
Search/Exam
Jun 5, 2008
Published international application - A1
Search/Exam
Nov 29, 2007
Abstract
PCTISA
Nov 29, 2007
Claims
PCTISA
Nov 29, 2007
Description
PCTISA
Nov 29, 2007
Drawings
PCTISA