Proteinaceous Heterodimer And Use Thereof

Patent No. EP3227342 (titled "Proteinaceous Heterodimer And Use Thereof") was filed by Dingfu Biotarget on Nov 10, 2015. The application was issued on Jun 14, 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
MARGARET DIXON	Jun 18, 2020	MEWBURN ELLIS

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

May 19, 2023
Decision to maintain the European patent in amended form
May 19, 2023
Decision to maintain the European patent in amended form
May 12, 2023
Termination of the opposition proceedings with maintenance of patent
May 4, 2023
(Electronic) Receipt
May 4, 2023
French translation of claims
May 4, 2023
German translation of the claims
May 4, 2023
Letter accompanying subsequently filed items
Apr 3, 2023
Communication to opponent concerning maintenance
Apr 3, 2023
Communication with request to file translations
Mar 29, 2023
Refund of fees
Mar 28, 2023
Maintenance of the patent with the documents specified in the final decision
Mar 22, 2023
F3324 Closure of the appeal proceedings: withdrawal of the appeal/ application/ opposition
Mar 22, 2023
F3324 Closure of the appeal proceedings: withdrawal of the appeal/ application/ opposition
Mar 20, 2023
F3345 Forwarding of submissions to parties
Mar 17, 2023
Composition of the board (T)
Mar 14, 2023
(Electronic) Receipt
Mar 14, 2023
Letter accompanying subsequently filed items
Mar 14, 2023
Withdrawal of an appeal
Feb 24, 2023
F3204 Communication of the file number to the parties
Feb 23, 2023
(Electronic) Receipt
Feb 23, 2023
Letter accompanying subsequently filed items
Feb 23, 2023
Notice of appeal
Dec 13, 2022
Advice of delivery
Dec 13, 2022
Annex to the communication - opposition
Dec 13, 2022
Decision of the Opposition Division and instruction
Dec 13, 2022
Druckexemplar in opposition procedure
Dec 13, 2022
Grounds for the decision (Annex) - opposition
Dec 13, 2022
Interlocutory decision in opposition proceedings
Dec 13, 2022
Interlocutory decision in opposition proceedings
Dec 13, 2022
Means of redress
Dec 13, 2022
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Dec 13, 2022
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Dec 13, 2022
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Dec 13, 2022
Provision of a copy of the minutes - opposition procedure
Dec 13, 2022
Provision of a copy of the minutes - opposition procedure
Dec 13, 2022
Scanned annex to a communication - opposition procedure
Dec 13, 2022
Scanned annex to a communication - opposition procedure
Dec 13, 2022
Transmittal of decision / summons - opposition
Dec 13, 2022
Transmittal of decision / summons - opposition
Nov 24, 2022
Information about the result of oral proceedings
Sep 26, 2022
Brief communication - Opposition proceedings
Sep 20, 2022
(Electronic) Receipt
Sep 20, 2022
(Electronic) Receipt
Sep 20, 2022
Auxiliary request during Opposition procedure
Sep 20, 2022
Auxiliary request during Opposition procedure
Sep 20, 2022
Auxiliary request during Opposition procedure
Sep 20, 2022
Auxiliary request during Opposition procedure
Sep 20, 2022
Auxiliary request during Opposition procedure - 01
Sep 20, 2022
Auxiliary request during Opposition procedure - 02
Sep 20, 2022
Auxiliary request during Opposition procedure - 03
Sep 20, 2022
Auxiliary request during Opposition procedure - 04
Sep 20, 2022
Letter accompanying subsequently filed items
Sep 20, 2022
Letter accompanying subsequently filed items
Sep 20, 2022
Written submission in preparation to/during oral proceedings
Sep 1, 2022
Brief communication - Opposition proceedings
Aug 30, 2022
Brief communication - Opposition proceedings
Aug 26, 2022
(Electronic) Receipt
Aug 26, 2022
Letter accompanying subsequently filed items
Aug 26, 2022
Written submission in preparation to/during oral proceedings
Aug 25, 2022
(Electronic) Receipt
Aug 25, 2022
Letter accompanying subsequently filed items
Aug 25, 2022
Written submission in preparation to/during oral proceedings
Apr 19, 2022
Notification concerning the date of oral proceedings
Apr 19, 2022
Notification concerning the date of oral proceedings
Dec 16, 2021
Advice of delivery
Dec 13, 2021
Brief communication - Opposition proceedings
Dec 13, 2021
Information concerning oral proceedings
Dec 13, 2021
Notification concerning the date of oral proceedings
Dec 13, 2021
Notification concerning the date of oral proceedings
Dec 13, 2021
Summons to attend oral proceedings
Dec 13, 2021
Summons to attend oral proceedings
Dec 13, 2021
Transmittal of decision / summons - opposition
Dec 13, 2021
Transmittal of decision / summons - opposition
Dec 7, 2021
(Electronic) Receipt
Dec 7, 2021
Letter accompanying subsequently filed items
Dec 7, 2021
Oral proceedings: Request for postponement
Dec 6, 2021
Advice of delivery
Dec 2, 2021
Annex to the communication - opposition
Dec 2, 2021
Information concerning oral proceedings
Dec 2, 2021
Summons to attend oral proceedings
Dec 2, 2021
Summons to attend oral proceedings
Dec 2, 2021
Transmittal of decision / summons - opposition
Dec 2, 2021
Transmittal of decision / summons - opposition
Oct 27, 2020
Brief communication - Opposition proceedings
Oct 21, 2020
(Electronic) Receipt
Oct 21, 2020
Letter accompanying subsequently filed items
Oct 21, 2020
Main request during Opposition procedure
Oct 21, 2020
Main request during Opposition procedure
Oct 21, 2020
Reply of the patent proprietor to the notice(s) of opposition
Jun 30, 2020
Communication of a notice of opposition and request to file observations
Jun 30, 2020
Notice of further oppositions to opponent(s)
Jun 23, 2020
Communication of a notice of opposition - first information to patent proprietor
Jun 18, 2020
(Electronic) Receipt
Jun 18, 2020
Citation in opposition procedure - 001
Jun 18, 2020
Citation in opposition procedure - 002
Jun 18, 2020
Citation in opposition procedure - 003
Jun 18, 2020
Citation in opposition procedure - 004
Jun 18, 2020
Citation in opposition procedure - 005
Jun 18, 2020
Citation in opposition procedure - 006
Jun 18, 2020
Citation in opposition procedure - 007
Jun 18, 2020
Citation in opposition procedure - 008
Jun 18, 2020
Citation in opposition procedure - 009
Jun 18, 2020
Citation in opposition procedure - 010
Jun 18, 2020
Consolidated list of cited opposition documents
Jun 18, 2020
Notice of opposition
Jun 18, 2020
Notice of opposition
Jun 18, 2020
Published international application - A1
Sep 30, 2019
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Aug 22, 2019
Decision to grant a European patent
Aug 8, 2019
(Electronic) Receipt
Aug 8, 2019
Filing of the translations of the claims
Aug 8, 2019
French translation of claims
Aug 8, 2019
German translation of the claims
Apr 24, 2019
Bibliographic data of the European patent application
Apr 24, 2019
Communication about intention to grant a European patent
Apr 24, 2019
Intention to grant (signatures)
Apr 24, 2019
Text intended for grant (clean copy)
Apr 24, 2019
Text intended for grant (sequence listing)
Apr 24, 2019
Text intended for grant (version for approval)
Dec 12, 2018
(Electronic) Receipt
Dec 12, 2018
Amended claims with annotations
Dec 12, 2018
Amended description with annotations
Dec 12, 2018
Claims
Dec 12, 2018
Description
Dec 12, 2018
Letter accompanying subsequently filed items
Dec 12, 2018
Reply to communication from the Examining Division
Oct 25, 2018
Annex to the communication
Oct 25, 2018
Communication from the Examining Division
Oct 15, 2018
Examination started
Sep 19, 2018
(Electronic) Receipt
Sep 19, 2018
Letter accompanying subsequently filed items
Sep 19, 2018
Priority search results
Sep 19, 2018
Reply to invitation to file a copy of priority search results
Aug 23, 2018
Invitation to file a copy of search results(priority)
Aug 10, 2018
(Electronic) Receipt
Aug 10, 2018
Amended claims filed after receipt of (European) search report
Aug 10, 2018
Amended claims with annotations
Aug 10, 2018
Amendments received before examination
Aug 10, 2018
Letter accompanying subsequently filed items
Mar 27, 2018
Invitation to declare maintenance of the application and to correct deficiencies in the Written Opinion/amend application
Mar 9, 2018
Communication regarding the transmission of the European search report
Mar 9, 2018
European search opinion
Mar 9, 2018
Information on Search Strategy
Mar 9, 2018
Supplementary European search report
Feb 22, 2018
Search started
Sep 22, 2017
(Electronic) Receipt
Sep 22, 2017
Letter accompanying subsequently filed items
Sep 22, 2017
Letter concerning the inventor
Sep 13, 2017
Notification on forthcoming publication of bibliographic data
Aug 10, 2017
Invitation to indicate correct address of inventor
Aug 10, 2017
Invitation to indicate correct address of inventor
Aug 3, 2017
Letter which had not been notified
Aug 3, 2017
Letter which had not been notified
Jun 30, 2017
Communication regarding possible amendment of the application/payment of claims fee
Jun 28, 2017
Communication to designated inventor
Jun 28, 2017
Communication to designated inventor
Jun 28, 2017
Communication to designated inventor
Jun 28, 2017
Communication to designated inventor
Jun 28, 2017
Communication to designated inventor
Jun 28, 2017
Communication to designated inventor
Jun 28, 2017
Communication to designated inventor
Jun 28, 2017
Communication to designated inventor
Jun 28, 2017
Communication to designated inventor
Jun 28, 2017
Communication to designated inventor
Jun 21, 2017
Refund of fees
Jun 14, 2017
Copy of the international preliminary report on patentability
Jun 8, 2017
(Electronic) Receipt
Jun 8, 2017
Amended claims filed after receipt of (European) search report
Jun 8, 2017
Amended description filed after receipt of (European) search report
Jun 8, 2017
Amendments received before examination
Jun 8, 2017
Letter accompanying subsequently filed items
May 30, 2017
Notice on debiting of fees
May 15, 2017
(Electronic) Receipt
May 15, 2017
Amended claims filed after receipt of (European) search report
May 15, 2017
Amended claims with annotations
May 15, 2017
Amended description filed after receipt of (European) search report
May 15, 2017
Amended description with annotations
May 15, 2017
Amendments received before examination
May 15, 2017
Annex
May 15, 2017
Converted Sequence Listing
May 15, 2017
Priority search results
May 15, 2017
Request for entry into the European phase
May 15, 2017
Sequence listing
May 15, 2017
Submission concerning representation
Apr 7, 2017
Information on entry into European phase
Jan 2, 2017
Notification of the recording of a change
Jun 21, 2016
Priority document (electronically transmitted)
Jun 2, 2016
Converted Sequence Listing
Jun 2, 2016
Copy of the international search report
Jun 2, 2016
Published international application - A1

EP3227342

DINGFU BIOTARGET

Application Number: EP15862694A
Filing Date: Nov 10, 2015
Status: Patent Maintained As Amended; May 12, 2023
Publication Date: Jun 14, 2023
External Links: Slate, Register , Google Patents

IP Verse

Proteinaceous Heterodimer And Use Thereof

Patent Summary

Patent Family

Patent Oppositions

Dossier Documents

EP3227342