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Method And Apparatus For Delivering Radio Frequency Electromagnetic Energy To Cook Foodstuff

Patent No. EP3417675 (titled "Method And Apparatus For Delivering Radio Frequency Electromagnetic Energy To Cook Foodstuff") was filed by Panasonic on Feb 15, 2016. The application was issued on Mar 18, 2020.

Patent Summary

Patent Family

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	Representative
BAKHTYARI	Dec 15, 2020	-

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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Jun 25, 2025
Letter relating to the revocation of the automatic debiting procedure
Mar 26, 2025
Refund of fees
Mar 25, 2025
F3013 Oral Proceedings: Forwarding minutes
Mar 25, 2025
F3013 Oral Proceedings: Forwarding minutes
Mar 25, 2025
F3315 Oral Proceedings: Minutes (Appellant : Proprietor)
Mar 25, 2025
F3324 Closure of the appeal proceedings: withdrawal of the appeal/ application/ opposition
Mar 25, 2025
F3324 Closure of the appeal proceedings: withdrawal of the appeal/ application/ opposition
Mar 19, 2025
F3017 Oral Proceedings: Notification of cancellation/postponing
Mar 19, 2025
F3017 Oral Proceedings: Notification of cancellation/postponing
Mar 17, 2025
F3014 Oral Proceedings: Order cancelling/postponing
Feb 18, 2025
F3345 Forwarding of submissions to parties
Feb 13, 2025
(Electronic) Receipt
Feb 13, 2025
Letter accompanying subsequently filed items
Feb 13, 2025
Request for interpreters during oral proceedings
Feb 5, 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
Nov 29, 2024
F3345 Forwarding of submissions to parties
Nov 26, 2024
(Electronic) Receipt
Nov 26, 2024
Letter accompanying subsequently filed items
Nov 26, 2024
Letter dealing with oral proceedings during the appeal procedure
Sep 16, 2024
F3011.1 Oral Proceedings: summons
Sep 16, 2024
F3011.1 Oral Proceedings: summons
Sep 16, 2024
F3350 Communication regarding oral proceedings (art. 15 Rules of Procedure of the Boards of Appeal)
Sep 11, 2024
F3010 Oral proceedings: order for summons
Jan 19, 2024
Standard Communication Rule 103 (2) EPC
Jan 19, 2024
Standard Communication Rule 103 (2) EPC
Sep 25, 2023
Composition of the board (T)
Feb 7, 2023
F3344 Setting time limit for reply/ file observations to appeal (inter partes)
Jan 31, 2023
(Electronic) Receipt
Jan 31, 2023
Letter accompanying subsequently filed items
Jan 31, 2023
Statement of grounds of appeal
Dec 13, 2022
F3204 Communication of the file number to the parties
Dec 13, 2022
F3204 Communication of the file number to the parties
Dec 1, 2022
(Electronic) Receipt
Dec 1, 2022
(Electronic) Receipt
Dec 1, 2022
Letter accompanying subsequently filed items
Dec 1, 2022
Letter accompanying subsequently filed items
Dec 1, 2022
Notice of appeal
Sep 27, 2022
Advice of delivery
Sep 21, 2022
Annex to the communication - opposition
Sep 21, 2022
Decision of the Opposition Division and instruction
Sep 21, 2022
Decision revoking the European patent
Sep 21, 2022
Decision revoking the European patent
Sep 21, 2022
Grounds for the decision (Annex) - opposition
Sep 21, 2022
Means of redress
Sep 21, 2022
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Sep 21, 2022
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Sep 21, 2022
Provision of a copy of the minutes - opposition procedure
Sep 21, 2022
Provision of a copy of the minutes - opposition procedure
Sep 21, 2022
Transmittal of decision / summons - opposition
Sep 21, 2022
Transmittal of decision / summons - opposition
Jun 28, 2022
Information about the result of oral proceedings
Jun 8, 2022
Brief communication - Opposition proceedings
Jun 7, 2022
Brief communication - Opposition proceedings
May 30, 2022
(Electronic) Receipt
May 30, 2022
Letter accompanying subsequently filed items
May 30, 2022
Oral proceedings: reply to date proposed
May 9, 2022
Communication of the registration of a transfer or change of name and/or address
May 9, 2022
Communication of the registration of a transfer or change of name and/or address
May 6, 2022
Brief communication - Opposition proceedings
May 2, 2022
Brief communication - Opposition proceedings
May 2, 2022
Brief communication - Opposition proceedings
May 2, 2022
Letter accompanying subsequently filed items
May 2, 2022
Submission concerning change of proprietor's address
Apr 29, 2022
Annexes in respect of a client data request
Apr 29, 2022
Annexes in respect of a client data request
Apr 29, 2022
Letter accompanying subsequently filed items
Apr 29, 2022
Submission concerning change of proprietor's name
Apr 28, 2022
(Electronic) Receipt
Apr 28, 2022
(Electronic) Receipt
Apr 28, 2022
Auxiliary request during Opposition procedure
Apr 28, 2022
Auxiliary request during Opposition procedure
Apr 28, 2022
Auxiliary request during Opposition procedure - 02
Apr 28, 2022
Auxiliary request during Opposition procedure - 03
Apr 28, 2022
Letter accompanying subsequently filed items
Apr 28, 2022
Letter accompanying subsequently filed items
Apr 28, 2022
Request for interpreters during oral proceedings
Apr 28, 2022
Written submission in preparation to/during oral proceedings
Apr 22, 2022
(Electronic) Receipt
Apr 22, 2022
Letter accompanying subsequently filed items
Apr 22, 2022
Oral proceedings: reply to date proposed
Apr 21, 2022
Notification concerning the date of oral proceedings
Apr 21, 2022
Notification concerning the date of oral proceedings
Apr 7, 2022
Brief communication - Opposition proceedings
Mar 31, 2022
(Electronic) Receipt
Mar 31, 2022
Letter accompanying subsequently filed items
Mar 31, 2022
Request for interpreters during oral proceedings
Sep 9, 2021
Advice of delivery
Sep 7, 2021
Annex to the communication - opposition
Sep 7, 2021
Information concerning oral proceedings
Sep 7, 2021
Summons to attend oral proceedings
Sep 7, 2021
Summons to attend oral proceedings
Sep 7, 2021
Transmittal of decision / summons - opposition
Sep 7, 2021
Transmittal of decision / summons - opposition
Jun 2, 2021
Brief communication - Opposition proceedings
May 27, 2021
(Electronic) Receipt
May 27, 2021
Auxiliary request during Opposition procedure
May 27, 2021
Auxiliary request during Opposition procedure
May 27, 2021
Auxiliary request during Opposition procedure
May 27, 2021
Auxiliary request during Opposition procedure - 01
May 27, 2021
Auxiliary request during Opposition procedure - 02
May 27, 2021
Auxiliary request during Opposition procedure - 03
May 27, 2021
Letter accompanying subsequently filed items
May 27, 2021
Main request during Opposition procedure
May 27, 2021
Main request during Opposition procedure
May 27, 2021
Reply of the patent proprietor to the notice(s) of opposition
Feb 26, 2021
Brief communication - Opposition proceedings
Feb 18, 2021
(Electronic) Receipt
Feb 18, 2021
Brief communication - Opposition proceedings
Feb 18, 2021
Communication confirming withdrawal from representation
Feb 18, 2021
Communication of amended entries concerning the representative
Feb 18, 2021
Letter accompanying subsequently filed items
Feb 18, 2021
Submission concerning change of proprietor's representative
Feb 15, 2021
(Electronic) Receipt
Feb 15, 2021
Letter accompanying subsequently filed items
Feb 15, 2021
Submission concerning change of proprietor's representative
Jan 18, 2021
Communication of a notice of opposition and request to file observations
Jan 18, 2021
Notice of further oppositions to opponent(s)
Dec 21, 2020
Communication of a notice of opposition - first information to patent proprietor
Dec 15, 2020
(Electronic) Receipt
Dec 15, 2020
Citation in opposition procedure - 001
Dec 15, 2020
Citation in opposition procedure - 002
Dec 15, 2020
Citation in opposition procedure - 003
Dec 15, 2020
Citation in opposition procedure - 004
Dec 15, 2020
Citation in opposition procedure - 005
Dec 15, 2020
Citation in opposition procedure - 006
Dec 15, 2020
Consolidated list of cited opposition documents
Dec 15, 2020
Notice of opposition
Dec 15, 2020
Notice of opposition
Mar 30, 2020
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Feb 20, 2020
Decision to grant a European patent
Nov 20, 2019
Decision to allow further processing
Nov 14, 2019
Application deemed to be withdrawn ( translations of claims/payment missing)
Nov 13, 2019
(Electronic) Receipt
Nov 13, 2019
French translation of claims
Nov 13, 2019
German translation of the claims
Nov 13, 2019
Letter accompanying subsequently filed items
Nov 13, 2019
Request for further processing
Nov 7, 2019
Communication of the registration of a transfer or change of name and/or address
Oct 23, 2019
(Electronic) Receipt
Oct 23, 2019
Annexes in respect of a client data request
Oct 23, 2019
Annexes in respect of a client data request
Oct 23, 2019
Annexes in respect of a client data request
Oct 23, 2019
Annexes in respect of a client data request
Oct 23, 2019
Letter accompanying subsequently filed items
Oct 23, 2019
Submission concerning a transfer of rights (applicant)
Oct 21, 2019
Submission concerning representation
May 31, 2019
Bibliographic data of the European patent application
May 31, 2019
Communication about intention to grant a European patent
May 31, 2019
Intention to grant (signatures)
May 31, 2019
Text intended for grant (clean copy)
May 31, 2019
Text intended for grant (version for approval)
May 13, 2019
Examination started
Mar 11, 2019
Submission concerning representation
Feb 5, 2019
(Electronic) Receipt
Feb 5, 2019
Letter accompanying subsequently filed items
Feb 5, 2019
Reply to Written Opinion prepared by the EPO
Nov 28, 2018
Notification on forthcoming publication of bibliographic data
Sep 21, 2018
Communication regarding comments on written opinion/amendment of application/payment of claims fee
Sep 21, 2018
Communication to designated inventor
Sep 6, 2018
Copy of the international preliminary report on patentability
Aug 2, 2018
(Electronic) Receipt
Aug 2, 2018
Request for entry into the European phase
Jul 13, 2018
Notification of the recording of a change
Jul 13, 2018
Notification of the recording of a change
Jun 29, 2018
Information on entry into European phase
Aug 24, 2017
Copy of the international search report
Aug 24, 2017
Published international application - A1
May 12, 2017
Notification of the recording of a change
Oct 21, 2016
ISR: cited documents
Oct 20, 2016
Written opinion of the ISA, boxes No. I to VIII
Oct 20, 2016
Written opinion of the ISA, cover sheet
Oct 20, 2016
Written opinion of the ISA, supplemental box
Mar 30, 2016
Notification of receipt of Search copy
Mar 7, 2016
Abstract
Mar 7, 2016
Annex
Mar 7, 2016
Claims
Mar 7, 2016
Description
Mar 7, 2016
Drawings
Mar 7, 2016
Fee calculation sheet for an international application
Mar 7, 2016
Notification Concerning Payment of Prescribed Fees (copy for ISA/EP)
Mar 7, 2016
Notification of the International Application Number and of the International Filing Date (copy for ISA/EP)
Mar 7, 2016
Request form for international application (copy for ISA/EP)

EP3417675

PANASONIC

Application Number: EP16709189A
Filing Date: Feb 15, 2016
Status: Revoked; Apr 4, 2025
Publication Date: Mar 18, 2020
External Links: Slate, Register , Google Patents