Bus Voltage Supply With Reduced Power Loss

Patent No. EP2740329 (titled "Bus Voltage Supply With Reduced Power Loss") was filed by Tridonic on Aug 2, 2012. The application was issued on May 10, 2023.

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
SIEMENS	Mar 15, 2017	SIEMENS PATENT ATTORNEYS

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 14, 2023
Decision to maintain the European patent in amended form
Apr 14, 2023
Decision to maintain the European patent in amended form
Apr 11, 2023
Termination of the opposition proceedings with maintenance of patent
Mar 30, 2023
(Electronic) Receipt
Mar 30, 2023
English translation of the claims
Mar 30, 2023
Filing of the translation of the amended claims
Mar 30, 2023
French translation of claims
Mar 30, 2023
Letter accompanying subsequently filed items
Mar 21, 2023
Communication of bibliographic data
Mar 21, 2023
Communication to opponent concerning maintenance
Mar 21, 2023
Communication with request to file translations
Mar 14, 2023
Maintenance of the patent with the documents specified in the final decision
Feb 9, 2023
Decision of the Board of Appeal
Feb 9, 2023
F3032 Notification(s) of the decision
Feb 9, 2023
F3032 Notification(s) of the decision
Jan 26, 2023
Letter accompanying subsequently filed items
Jan 26, 2023
Request for change of opponent's representative
Dec 22, 2022
F3013 Oral Proceedings: Forwarding minutes
Dec 22, 2022
F3013 Oral Proceedings: Forwarding minutes
Dec 22, 2022
F3315 Oral Proceedings: Minutes (Appellant : Proprietor)
Nov 15, 2022
F3345 Forwarding of submissions to parties
Nov 7, 2022
(Electronic) Receipt
Nov 7, 2022
Letter accompanying subsequently filed items
Nov 3, 2022
F3022 Oral proceedings: change of board composition
Nov 3, 2022
F3022 Oral proceedings: change of board composition
Oct 25, 2022
F3303.16 Change of composition of the Board (T)
Apr 5, 2022
F3345 Forwarding of submissions to parties
Mar 31, 2022
(Electronic) Receipt
Mar 31, 2022
Letter accompanying subsequently filed items
Mar 31, 2022
Letter dealing with oral proceedings during the appeal procedure
Mar 7, 2022
Advice of delivery
Feb 24, 2022
F3011.1 Oral Proceedings: summons
Feb 24, 2022
F3011.1 Oral Proceedings: summons
Feb 24, 2022
F3350 Communication regarding oral proceedings (art. 15 Rules of Procedure of the Boards of Appeal)
Feb 21, 2022
F3010 Oral proceedings: order for summons
Feb 17, 2022
F3004 Communication of the Registry
Feb 17, 2022
F3004 Communication of the Registry
Feb 17, 2022
F3345 Forwarding of submissions to parties
Jan 28, 2022
(Electronic) Receipt
Jan 28, 2022
General enquiry
Jan 28, 2022
Letter accompanying subsequently filed items
Mar 24, 2021
Standard Communication Rule 103 (2) EPC
Mar 24, 2021
Standard Communication Rule 103 (2) EPC
Dec 15, 2020
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Dec 15, 2020
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Dec 15, 2020
F3345 Forwarding of submissions to parties
Dec 9, 2020
(Electronic) Receipt
Dec 9, 2020
Letter accompanying subsequently filed items
Nov 16, 2020
F3303.16 Change of composition of the Board (T)
Oct 23, 2019
F3057 Communication: Change of responsibility of a Board of Appeal
Oct 23, 2019
F3057 Communication: Change of responsibility of a Board of Appeal
Mar 11, 2019
Composition of the board (T)
Mar 5, 2019
F3345 Forwarding of submissions to parties
Feb 28, 2019
(Electronic) Receipt
Feb 28, 2019
Letter accompanying subsequently filed items
Feb 28, 2019
Letter relating to Appeal Procedure
Nov 16, 2018
F3344 Setting time limit for reply/ file observations to appeal (inter partes)
Nov 13, 2018
(Electronic) Receipt
Nov 13, 2018
Letter accompanying subsequently filed items
Nov 13, 2018
Statement of grounds of appeal
Oct 30, 2018
Advice of delivery
Sep 24, 2018
F3204 Communication of the file number to the parties
Sep 24, 2018
F3204 Communication of the file number to the parties
Sep 18, 2018
(Electronic) Receipt
Sep 18, 2018
Annexes (other than cited documents) regarding appeal procedure
Sep 18, 2018
Letter accompanying subsequently filed items
Sep 18, 2018
Notice of appeal
Sep 18, 2018
Processing of an appeal
Aug 23, 2018
Advice of delivery
Aug 1, 2018
Advice of delivery
Aug 1, 2018
Advice of delivery
Jul 27, 2018
Acknowledgement of a document
Jul 27, 2018
Acknowledgement of a document
Jul 27, 2018
Annex to the communication - opposition
Jul 27, 2018
Decision of the Opposition Division and instruction
Jul 27, 2018
Druckexemplar in opposition procedure
Jul 27, 2018
Grounds for the decision (Annex) - opposition
Jul 27, 2018
Interlocutory decision in opposition proceedings
Jul 27, 2018
Internal form - Opposition/addressees
Jul 27, 2018
Internal form - Opposition/addressees
Jul 27, 2018
Means of redress
Jul 27, 2018
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Jul 27, 2018
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Jul 27, 2018
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Jul 27, 2018
Provision of a copy of the minutes - opposition procedure
Jun 8, 2018
Information about the result of oral proceedings
Apr 4, 2018
Brief communication - Opposition proceedings
Mar 23, 2018
Request for interpreters during oral proceedings
Feb 16, 2018
Brief communication - Opposition proceedings
Feb 13, 2018
Advice of delivery
Feb 9, 2018
Written submission in preparation to/during oral proceedings
Jan 29, 2018
Brief communication - Opposition proceedings
Jan 25, 2018
Advice of delivery
Jan 22, 2018
(Electronic) Receipt
Jan 22, 2018
Request for interpreters during oral proceedings
Jan 5, 2018
Advice of delivery
Jan 4, 2018
Advice of delivery
Jan 2, 2018
Acknowledgement of a document
Jan 2, 2018
Acknowledgement of a document
Jan 2, 2018
Annex to the communication - opposition
Jan 2, 2018
Information concerning oral proceedings
Jan 2, 2018
Preparation for oral proceedings
Jan 2, 2018
Summons to attend oral proceedings
Jan 2, 2018
Summons to attend oral proceedings
Nov 8, 2017
Communication of amended entries
Aug 29, 2017
Brief communication - Opposition proceedings
Aug 16, 2017
Reply of the patent proprietor to the notice(s) of opposition
Jul 24, 2017
Request for a change of address - opponent
Apr 25, 2017
Communication of a notice of opposition and request to file observations
Apr 25, 2017
Notice of further oppositions to opponent(s)
Apr 10, 2017
Brief communication - Opposition proceedings
Apr 3, 2017
(Electronic) Receipt
Apr 3, 2017
Citation in opposition procedure
Apr 3, 2017
Citation in opposition procedure
Apr 3, 2017
Citation in opposition procedure
Apr 3, 2017
Citation in opposition procedure
Apr 3, 2017
Citation in opposition procedure
Apr 3, 2017
Citation in opposition procedure
Apr 3, 2017
Letter accompanying subsequently filed items
Apr 3, 2017
Letter regarding the opposition procedure (no time limit)
Mar 28, 2017
Brief communication - Opposition proceedings
Mar 28, 2017
Request for documents
Mar 23, 2017
Communication of a notice of opposition - first information to patent proprietor
Mar 15, 2017
(Electronic) Receipt
Mar 15, 2017
Letter accompanying subsequently filed items
Mar 15, 2017
Notice of opposition
Jun 15, 2016
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
May 20, 2016
Decision to grant a European patent
May 3, 2016
English translation of the claims
May 3, 2016
Filing of the translations of the claims
May 3, 2016
French translation of claims
May 3, 2016
Payment of fees and costs
Apr 1, 2016
Annex to the communication about intention to grant a European patent
Apr 1, 2016
Bibliographic data of the European patent application
Apr 1, 2016
Communication about intention to grant a European patent
Apr 1, 2016
Intention to grant (signatures)
Apr 1, 2016
Text intended for grant
Nov 18, 2015
Examination started
May 14, 2014
Notification on forthcoming publication of bibliographic data
Mar 12, 2014
Communication regarding comments on written opinion/amendment of application/payment of claims fee
Mar 10, 2014
Communication to designated inventor
Mar 10, 2014
Communication to designated inventor
Mar 10, 2014
Communication to designated inventor
Feb 26, 2014
CDS Clean up - amended data concerning the representative for the applicant
Feb 25, 2014
Copy of the international preliminary report on patentability
Feb 17, 2014
Submission concerning representation
Feb 5, 2014
(Electronic) Receipt
Feb 5, 2014
Amended claims filed after receipt of (European) search report
Feb 5, 2014
Priority search results
Feb 5, 2014
Request for entry into the European phase
Dec 18, 2013
Information on entry into European phase
Mar 6, 2013
Priority document (electronically transmitted)
Feb 14, 2013
Copy of the international search report
Feb 14, 2013
Copy of the international search report
Feb 14, 2013
Published international application - A1
Nov 12, 2012
Written opinion of the ISA, boxes No. I to VIII
Nov 12, 2012
Written opinion of the ISA, cover sheet
Nov 12, 2012
Written opinion of the ISA, supplemental box
Aug 2, 2012
(Electronic) Receipt
Aug 2, 2012
Abstract
Aug 2, 2012
Claims
Aug 2, 2012
Description
Aug 2, 2012
Drawings

EP2740329

TRIDONIC

Application Number: EP12751017A
Filing Date: Aug 2, 2012
Status: Patent Maintained As Amended; Apr 7, 2023
Publication Date: May 10, 2023
External Links: Slate, Register , Google Patents

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Bus Voltage Supply With Reduced Power Loss

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Dossier Documents

EP2740329