Rechargeable Battery Pack

Patent No. EP2448057 (titled "Rechargeable Battery Pack") was filed by Makita on Oct 24, 2011. The application was issued on May 13, 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
MARKS & CLERK	Feb 11, 2021	ZIMMERMANN & PARTNER PATENTANWALTE MBB

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

Get instant alerts for new documents

Nov 12, 2025
Brief communication - Opposition proceedings
Nov 6, 2025
(Electronic) Receipt
Nov 6, 2025
Amended description with annotations
Nov 6, 2025
Amended description with annotations
Nov 6, 2025
Description
Nov 6, 2025
Letter accompanying subsequently filed items
Nov 6, 2025
Reply to an examination report in opposition proceedings
Jul 7, 2025
Annex to the communication - opposition
Jul 7, 2025
Brief communication - Opposition proceedings
Jul 7, 2025
Brief communication - Opposition proceedings
Jul 7, 2025
Communication inviting the parties to file observations
Jul 7, 2025
Communication inviting the parties to file observations
Apr 7, 2025
Decision of the Board of Appeal
Apr 7, 2025
F3032 Notification(s) of the decision
Apr 7, 2025
F3032 Notification(s) of the decision
Feb 4, 2025
F3013 Oral Proceedings: Forwarding minutes
Feb 4, 2025
F3013 Oral Proceedings: Forwarding minutes
Feb 4, 2025
F3315 Oral Proceedings: Minutes (Appellant : Proprietor)
Jan 14, 2025
F3345 Forwarding of submissions to parties
Jan 9, 2025
(Electronic) Receipt
Jan 9, 2025
Letter accompanying subsequently filed items
Jan 9, 2025
Request for interpreters during oral proceedings
Jan 7, 2025
F3345 Forwarding of submissions to parties
Jan 3, 2025
F3345 Forwarding of submissions to parties
Jan 2, 2025
F3345 Forwarding of submissions to parties
Dec 27, 2024
(Electronic) Receipt
Dec 27, 2024
Letter accompanying subsequently filed items
Dec 27, 2024
Letter dealing with oral proceedings during the appeal procedure
Dec 23, 2024
(Electronic) Receipt
Dec 23, 2024
Letter accompanying subsequently filed items
Dec 23, 2024
Letter dealing with oral proceedings during the appeal procedure
Dec 19, 2024
(Electronic) Receipt
Dec 19, 2024
Letter accompanying subsequently filed items
Dec 19, 2024
Request for interpreters during oral proceedings
Dec 13, 2024
F3345 Forwarding of submissions to parties
Dec 10, 2024
(Electronic) Receipt
Dec 10, 2024
Letter accompanying subsequently filed items
Dec 10, 2024
Letter relating to Appeal Procedure
Nov 26, 2024
F3345 Forwarding of submissions to parties
Nov 21, 2024
(Electronic) Receipt
Nov 21, 2024
Letter accompanying subsequently filed items
Nov 21, 2024
Letter relating to Appeal Procedure
Nov 5, 2024
F3345 Forwarding of submissions to parties
Oct 30, 2024
(Electronic) Receipt
Oct 30, 2024
Letter accompanying subsequently filed items
Oct 30, 2024
Withdrawal of a request for oral proceedings
Oct 25, 2024
F3345 Forwarding of submissions to parties
Oct 24, 2024
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Oct 24, 2024
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Oct 21, 2024
(Electronic) Receipt
Oct 21, 2024
Letter accompanying subsequently filed items
Oct 21, 2024
Letter relating to Appeal Procedure
Aug 21, 2024
F3345 Forwarding of submissions to parties
Aug 16, 2024
(Electronic) Receipt
Aug 16, 2024
Letter accompanying subsequently filed items
Aug 16, 2024
Letter relating to Appeal Procedure
Jul 25, 2024
F3011.2 Oral Proceedings: Summons VICO
Jul 25, 2024
F3011.2 Oral Proceedings: Summons VICO
Jul 22, 2024
F3010 Oral proceedings: order for summons
Jun 18, 2024
F3345 Forwarding of submissions to parties
Jun 13, 2024
(Electronic) Receipt
Jun 13, 2024
Letter accompanying subsequently filed items
Jun 13, 2024
Letter relating to Appeal Procedure
Aug 24, 2023
F3345 Forwarding of submissions to parties
Aug 21, 2023
(Electronic) Receipt
Aug 21, 2023
Letter accompanying subsequently filed items
Aug 21, 2023
Reply to appeal
Apr 11, 2023
F3344 Setting time limit for reply/ file observations to appeal (inter partes)
Apr 3, 2023
(Electronic) Receipt
Apr 3, 2023
Amended claims with annotations
Apr 3, 2023
Amended claims with annotations
Apr 3, 2023
Amended claims with annotations
Apr 3, 2023
Amended claims with annotations
Apr 3, 2023
Amended claims with annotations
Apr 3, 2023
Amended claims with annotations
Apr 3, 2023
Amended claims with annotations
Apr 3, 2023
Amended claims with annotations
Apr 3, 2023
Amended claims with annotations
Apr 3, 2023
Amended claims with annotations
Apr 3, 2023
Annexes (other than cited documents) regarding appeal procedure
Apr 3, 2023
Auxiliary request during appeals procedure - 01
Apr 3, 2023
Auxiliary request during appeals procedure - 02
Apr 3, 2023
Auxiliary request during appeals procedure - 03
Apr 3, 2023
Auxiliary request during appeals procedure - 04
Apr 3, 2023
Auxiliary request during appeals procedure - 05
Apr 3, 2023
Auxiliary request during appeals procedure - 06
Apr 3, 2023
Auxiliary request during appeals procedure - 06
Apr 3, 2023
Auxiliary request during appeals procedure - 07
Apr 3, 2023
Auxiliary request during appeals procedure - 07
Apr 3, 2023
Claims
Apr 3, 2023
Letter accompanying subsequently filed items
Apr 3, 2023
Statement of grounds of appeal
Feb 16, 2023
Annex to the communication - opposition
Feb 16, 2023
Brief communication - Opposition proceedings
Feb 16, 2023
Brief communication - Opposition proceedings
Feb 16, 2023
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Feb 16, 2023
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Feb 16, 2023
Provision of a copy of the minutes - opposition procedure
Feb 16, 2023
Provision of a copy of the minutes - opposition procedure
Feb 10, 2023
Annex to the communication - opposition
Feb 8, 2023
F3204 Communication of the file number to the parties
Feb 8, 2023
F3204 Communication of the file number to the parties
Feb 6, 2023
Composition of the board (T)
Feb 2, 2023
(Electronic) Receipt
Feb 2, 2023
Letter accompanying subsequently filed items
Feb 2, 2023
Notice of appeal
Jan 31, 2023
(Electronic) Receipt
Jan 31, 2023
Letter accompanying subsequently filed items
Jan 31, 2023
Letter regarding the opposition procedure (no time limit)
Nov 29, 2022
Advice of delivery
Nov 28, 2022
Advice of delivery
Nov 24, 2022
Decision of the Opposition Division and instruction
Nov 24, 2022
Grounds for the decision (Annex) - opposition
Nov 24, 2022
Interlocutory decision in opposition proceedings
Nov 24, 2022
Interlocutory decision in opposition proceedings
Nov 24, 2022
Means of redress
Nov 24, 2022
Transmittal of decision / summons - opposition
Nov 24, 2022
Transmittal of decision / summons - opposition
Nov 23, 2022
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Nov 23, 2022
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Nov 23, 2022
Provision of a copy of the minutes - opposition procedure
Nov 23, 2022
Provision of a copy of the minutes - opposition procedure
Oct 13, 2022
Information about the result of oral proceedings
Oct 4, 2022
Brief communication - Opposition proceedings
Oct 4, 2022
Brief communication - Opposition proceedings
Sep 27, 2022
(Electronic) Receipt
Sep 27, 2022
(Electronic) Receipt
Sep 27, 2022
Letter accompanying subsequently filed items
Sep 27, 2022
Letter accompanying subsequently filed items
Sep 27, 2022
Request for interpreters during oral proceedings
Sep 27, 2022
Written submission in preparation to/during oral proceedings
Aug 18, 2022
Brief communication - Opposition proceedings
Aug 18, 2022
Communication of amended entries
Aug 16, 2022
Brief communication - Opposition proceedings
Aug 16, 2022
Communication of amended entries
Aug 16, 2022
Communication of amended entries
Aug 11, 2022
(Electronic) Receipt
Aug 11, 2022
Letter accompanying subsequently filed items
Aug 11, 2022
Request for change of opponent's representative
Aug 11, 2022
Written submission in preparation to/during oral proceedings
Aug 9, 2022
(Electronic) Receipt
Aug 9, 2022
Letter accompanying subsequently filed items (CDR)
Aug 9, 2022
Request for change of opponent's representative
Aug 4, 2022
(Electronic) Receipt
Aug 4, 2022
Letter accompanying subsequently filed items
Jul 28, 2022
Brief communication - Opposition proceedings
Jul 28, 2022
Communication of amended entries
Jul 13, 2022
Document concerning representation
Jul 12, 2022
Letter accompanying subsequently filed items (CDR)
Jul 12, 2022
Request for change of opponent's representative
Jun 22, 2022
Notification concerning the date of oral proceedings
Jun 22, 2022
Notification concerning the date of oral proceedings
Mar 29, 2022
Brief communication - Opposition proceedings
Mar 18, 2022
(Electronic) Receipt
Mar 18, 2022
Citation in opposition procedure - 034
Mar 18, 2022
Consolidated list of cited opposition documents
Mar 18, 2022
Letter accompanying subsequently filed items
Mar 18, 2022
Written submission in preparation to/during oral proceedings
Nov 5, 2021
Advice of delivery
Nov 2, 2021
(Electronic) Receipt
Nov 2, 2021
Advice of delivery
Nov 2, 2021
Annex to the communication - opposition
Nov 2, 2021
Information concerning oral proceedings
Nov 2, 2021
Letter accompanying subsequently filed items
Nov 2, 2021
Summons to attend oral proceedings
Nov 2, 2021
Summons to attend oral proceedings
Nov 2, 2021
Transmittal of decision / summons - opposition
Nov 2, 2021
Transmittal of decision / summons - opposition
Sep 22, 2021
Brief communication - Opposition proceedings
Sep 16, 2021
(Electronic) Receipt
Sep 16, 2021
Citation in opposition procedure - 032
Sep 16, 2021
Citation in opposition procedure - 033
Sep 16, 2021
Letter accompanying subsequently filed items
Sep 16, 2021
Letter regarding the opposition procedure (no time limit)
Aug 5, 2021
Brief communication - Opposition proceedings
Aug 2, 2021
Letter regarding the opposition procedure (no time limit)
Jul 19, 2021
Brief communication in opposition procedure - time limit
Jul 15, 2021
Brief communication - Opposition proceedings
Jul 9, 2021
(Electronic) Receipt
Jul 9, 2021
Auxiliary request during Opposition procedure
Jul 9, 2021
Auxiliary request during Opposition procedure
Jul 9, 2021
Auxiliary request during Opposition procedure
Jul 9, 2021
Auxiliary request during Opposition procedure
Jul 9, 2021
Auxiliary request during Opposition procedure
Jul 9, 2021
Auxiliary request during Opposition procedure
Jul 9, 2021
Auxiliary request during Opposition procedure
Jul 9, 2021
Auxiliary request during Opposition procedure
Jul 9, 2021
Auxiliary request during Opposition procedure
Jul 9, 2021
Auxiliary request during Opposition procedure
Jul 9, 2021
Auxiliary request during Opposition procedure - 01
Jul 9, 2021
Auxiliary request during Opposition procedure - 01
Jul 9, 2021
Auxiliary request during Opposition procedure - 02
Jul 9, 2021
Auxiliary request during Opposition procedure - 03
Jul 9, 2021
Auxiliary request during Opposition procedure - 04
Jul 9, 2021
Auxiliary request during Opposition procedure - 05
Jul 9, 2021
Auxiliary request during Opposition procedure - 06
Jul 9, 2021
Auxiliary request during Opposition procedure - 07
Jul 9, 2021
Auxiliary request during Opposition procedure - 08
Jul 9, 2021
Auxiliary request during Opposition procedure - 09
Jul 9, 2021
Auxiliary request during Opposition procedure - 10
Jul 9, 2021
Citation in opposition procedure - 031
Jul 9, 2021
Letter accompanying subsequently filed items
Jul 9, 2021
Reply of the patent proprietor to the notice(s) of opposition
Mar 2, 2021
Communication of a notice of opposition and request to file observations
Mar 2, 2021
Notice of further oppositions to opponent(s)
Feb 25, 2021
Brief communication - Opposition proceedings
Feb 22, 2021
(Electronic) Receipt
Feb 22, 2021
Letter accompanying subsequently filed items
Feb 22, 2021
Letter regarding the opposition procedure (no time limit)
Feb 17, 2021
Communication of a notice of opposition - first information to patent proprietor
Feb 11, 2021
(Electronic) Receipt
Feb 11, 2021
Citation in opposition procedure - 001
Feb 11, 2021
Citation in opposition procedure - 002
Feb 11, 2021
Citation in opposition procedure - 003
Feb 11, 2021
Citation in opposition procedure - 004
Feb 11, 2021
Citation in opposition procedure - 005
Feb 11, 2021
Citation in opposition procedure - 006
Feb 11, 2021
Citation in opposition procedure - 006
Feb 11, 2021
Citation in opposition procedure - 007
Feb 11, 2021
Citation in opposition procedure - 008
Feb 11, 2021
Citation in opposition procedure - 009
Feb 11, 2021
Citation in opposition procedure - 010
Feb 11, 2021
Citation in opposition procedure - 011
Feb 11, 2021
Citation in opposition procedure - 012
Feb 11, 2021
Citation in opposition procedure - 013
Feb 11, 2021
Citation in opposition procedure - 014
Feb 11, 2021
Citation in opposition procedure - 015
Feb 11, 2021
Citation in opposition procedure - 016
Feb 11, 2021
Citation in opposition procedure - 017
Feb 11, 2021
Citation in opposition procedure - 018
Feb 11, 2021
Citation in opposition procedure - 019
Feb 11, 2021
Citation in opposition procedure - 020
Feb 11, 2021
Citation in opposition procedure - 021
Feb 11, 2021
Citation in opposition procedure - 022
Feb 11, 2021
Citation in opposition procedure - 023
Feb 11, 2021
Citation in opposition procedure - 024
Feb 11, 2021
Citation in opposition procedure - 025
Feb 11, 2021
Citation in opposition procedure - 026
Feb 11, 2021
Citation in opposition procedure - 027
Feb 11, 2021
Citation in opposition procedure - 028
Feb 11, 2021
Citation in opposition procedure - 029
Feb 11, 2021
Citation in opposition procedure - 030
Feb 11, 2021
Letter accompanying subsequently filed items
Feb 11, 2021
Notice of opposition
Feb 11, 2021
Notice of opposition
May 26, 2020
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Apr 17, 2020
Decision to grant a European patent
Mar 30, 2020
(Electronic) Receipt
Mar 30, 2020
Filing of the translations of the claims
Mar 30, 2020
French translation of claims
Mar 30, 2020
German translation of the claims
Mar 30, 2020
Letter accompanying subsequently filed items
Dec 3, 2019
Bibliographic data of the European patent application
Dec 3, 2019
Communication about intention to grant a European patent
Dec 3, 2019
Intention to grant (signatures)
Dec 3, 2019
Text intended for grant (clean copy)
Dec 3, 2019
Text intended for grant (version for approval)
Jun 25, 2019
Response to enquiry for communication from the Examining Division
Jun 3, 2019
(Electronic) Receipt
Jun 3, 2019
Enquiry as to the processing of the file
Jun 3, 2019
Letter accompanying subsequently filed items
Jun 2, 2017
Amended claims with annotations
Jun 2, 2017
Claims
Jun 2, 2017
Reply to communication from the Examining Division
Feb 3, 2017
Annex to the communication
Feb 3, 2017
Communication from the Examining Division
Sep 27, 2016
Response to enquiry for communication from the Examining Division
Sep 16, 2016
Enquiry as to when a communication from the Examining Division can be expected
Nov 17, 2014
Submission concerning representation
Sep 16, 2014
Amended claims with annotations
Sep 16, 2014
Claims
Sep 16, 2014
Reply to communication from the Examining Division
May 12, 2014
Annex to the communication
May 12, 2014
Communication from the Examining Division
May 2, 2014
Examination started
Oct 23, 2012
Amended claims filed after receipt of (European) search report
Oct 23, 2012
Amended description filed after receipt of (European) search report
Oct 23, 2012
Amendments received before examination
May 7, 2012
Reminder period for payment of examination fee/designation fee and correction of deficiencies in Written Opinion/amendment
Apr 4, 2012
Notification of forthcoming publication
Feb 2, 2012
Communication regarding the transmission of the European search report
Feb 2, 2012
European search opinion
Feb 2, 2012
European search report
Jan 18, 2012
Confirmation of receipt of (electronically) transmitted priority document
Dec 27, 2011
Priority document (electronically transmitted)
Oct 24, 2011
Abstract
Oct 24, 2011
Acknowledgement of receipt of electronic submission of the request for grant of a European patent
Oct 24, 2011
Annex
Oct 24, 2011
Claims
Oct 24, 2011
Description
Oct 24, 2011
Designation of inventor
Oct 24, 2011
Designation of inventor
Oct 24, 2011
Designation of inventor
Oct 24, 2011
Drawings
Oct 24, 2011
Request for grant of a European patent

EP2448057

MAKITA

Application Number: EP11186366A
Filing Date: Oct 24, 2011
Status: Granted And Under Opposition; Apr 10, 2020
Publication Date: May 13, 2020
External Links: Slate, Register , Google Patents

IP Verse

Rechargeable Battery Pack

Patent Summary

Patent Family

Patent Oppositions

Dossier Documents

EP2448057