Cd47 Antibodies And Methods Of Use Thereof

Patent No. EP2812443 (titled "Cd47 Antibodies And Methods Of Use Thereof") was filed by Inhibrx on Feb 6, 2013. The application was issued on May 29, 2019.

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
FORTY SEVEN	Feb 28, 2020	CARPMAELS & RANSFORD

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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Oct 16, 2025
Communication to the parties concerning the termination of the opposition proceedings (opponent)
Oct 16, 2025
Communication to the parties concerning the termination of the opposition proceedings (proprietor)
Jul 15, 2025
Decision revoking the European Patent (patent proprietor)
Jul 15, 2025
Decision revoking the European patent (opponent)
Apr 25, 2025
Letter accompanying subsequently filed items
Apr 25, 2025
Submission concerning representation
Apr 8, 2025
Communication concerning surcharge and failure to observe time limit
Dec 6, 2024
Communication of bibliographic data
Dec 6, 2024
Communication to opponent concerning maintenance
Dec 6, 2024
Communication with request to file translations
Dec 3, 2024
Maintenance of the patent with the documents specified in the final decision
Nov 21, 2024
Decision of the Board of Appeal
Nov 21, 2024
F3032 Notification(s) of the decision
Nov 21, 2024
F3032 Notification(s) of the decision
Aug 7, 2024
F3013 Oral Proceedings: Forwarding minutes
Aug 7, 2024
F3013 Oral Proceedings: Forwarding minutes
Aug 7, 2024
F3316 Oral Proceedings: Minutes (Appellant: Opponent)
Jul 25, 2024
(Electronic) Receipt
Jul 25, 2024
Letter accompanying subsequently filed items
Jul 25, 2024
Letter dealing with oral proceedings during the appeal procedure
Jul 3, 2024
Oral proceedings: change of venue
Jul 3, 2024
Oral proceedings: change of venue
Jul 1, 2024
F3345 Forwarding of submissions to parties
Jun 26, 2024
(Electronic) Receipt
Jun 26, 2024
Letter accompanying subsequently filed items
Jun 26, 2024
Letter dealing with oral proceedings during the appeal procedure
Apr 17, 2024
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Apr 17, 2024
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Dec 11, 2023
F3345 Forwarding of submissions to parties
Dec 6, 2023
(Electronic) Receipt
Dec 6, 2023
Letter accompanying subsequently filed items
Dec 6, 2023
Letter dealing with oral proceedings during the appeal procedure
Dec 6, 2023
Letter dealing with oral proceedings during the appeal procedure
Nov 9, 2023
F3011.1 Oral Proceedings: summons
Nov 9, 2023
F3011.1 Oral Proceedings: summons
Nov 9, 2023
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Nov 9, 2023
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Nov 6, 2023
F3010 Oral proceedings: order for summons
Nov 6, 2023
F3303.16 Change of composition of the Board (T)
Oct 9, 2023
F3345 Forwarding of submissions to parties
Oct 4, 2023
Consolidated list of documents cited in appeal procedure
Oct 2, 2023
(Electronic) Receipt
Oct 2, 2023
Citation in appeal procedure - 042
Oct 2, 2023
Letter accompanying subsequently filed items
Oct 2, 2023
Letter relating to Appeal Procedure
Aug 2, 2023
F3345 Forwarding of submissions to parties
Jul 28, 2023
(Electronic) Receipt
Jul 28, 2023
Letter accompanying subsequently filed items
Jul 28, 2023
Letter relating to Appeal Procedure
Jul 5, 2023
F3345 Forwarding of submissions to parties
Jun 30, 2023
(Electronic) Receipt
Jun 30, 2023
Citation in appeal procedure - 040
Jun 30, 2023
Citation in appeal procedure - 041
Jun 30, 2023
Consolidated list of documents cited in appeal procedure
Jun 30, 2023
Letter accompanying subsequently filed items
Jun 30, 2023
Letter relating to Appeal Procedure
Nov 17, 2022
F3345 Forwarding of submissions to parties
Nov 14, 2022
(Electronic) Receipt
Nov 14, 2022
Consolidated list of documents cited in appeal procedure
Nov 14, 2022
Letter accompanying subsequently filed items
Nov 14, 2022
Letter relating to Appeal Procedure
Sep 21, 2022
F3345 Forwarding of submissions to parties
Sep 15, 2022
(Electronic) Receipt
Sep 15, 2022
Amended claims with annotations
Sep 15, 2022
Amended claims with annotations
Sep 15, 2022
Amended claims with annotations
Sep 15, 2022
Amended claims with annotations
Sep 15, 2022
Amended claims with annotations
Sep 15, 2022
Amended claims with annotations
Sep 15, 2022
Amended claims with annotations
Sep 15, 2022
Amended claims with annotations
Sep 15, 2022
Amended claims with annotations
Sep 15, 2022
Annexes (other than cited documents) regarding appeal procedure
Sep 15, 2022
Annexes (other than cited documents) regarding appeal procedure
Sep 15, 2022
Auxiliary request during appeals procedure - 02
Sep 15, 2022
Auxiliary request during appeals procedure - 03
Sep 15, 2022
Auxiliary request during appeals procedure - 04
Sep 15, 2022
Auxiliary request during appeals procedure - 05
Sep 15, 2022
Auxiliary request during appeals procedure - 06
Sep 15, 2022
Auxiliary request during appeals procedure - 07
Sep 15, 2022
Auxiliary request during appeals procedure - 08
Sep 15, 2022
Auxiliary request during appeals procedure - 09
Sep 15, 2022
Auxiliary request during appeals procedure - 10
Sep 15, 2022
Citation in appeal procedure - 035
Sep 15, 2022
Citation in appeal procedure - 036
Sep 15, 2022
Citation in appeal procedure - 037
Sep 15, 2022
Citation in appeal procedure - 038
Sep 15, 2022
Citation in appeal procedure - 039
Sep 15, 2022
Letter accompanying subsequently filed items
Sep 15, 2022
Reply to appeal
Aug 18, 2022
Composition of the board (T)
May 6, 2022
F3344 Setting time limit for reply/ file observations to appeal (inter partes)
Apr 29, 2022
(Electronic) Receipt
Apr 29, 2022
Citation in appeal procedure - 032
Apr 29, 2022
Citation in appeal procedure - 033
Apr 29, 2022
Citation in appeal procedure - 034
Apr 29, 2022
Letter accompanying subsequently filed items
Apr 29, 2022
Statement of grounds of appeal
Feb 14, 2022
F3204 Communication of the file number to the parties
Feb 14, 2022
F3204 Communication of the file number to the parties
Feb 7, 2022
(Electronic) Receipt
Feb 7, 2022
Brief communication - Opposition proceedings
Feb 7, 2022
Letter accompanying subsequently filed items
Feb 7, 2022
Notice of appeal
Feb 3, 2022
Communication of amended entries
Jan 28, 2022
(Electronic) Receipt
Jan 28, 2022
Letter accompanying subsequently filed items
Jan 28, 2022
Request for a change of address - opponent
Dec 21, 2021
(Electronic) Receipt
Dec 21, 2021
Advice of delivery
Dec 21, 2021
Advice of delivery
Dec 21, 2021
Annex to the communication - opposition
Dec 21, 2021
Decision of the Opposition Division and instruction
Dec 21, 2021
Druckexemplar in opposition procedure
Dec 21, 2021
Grounds for the decision (Annex) - opposition
Dec 21, 2021
Interlocutory decision in opposition proceedings
Dec 21, 2021
Interlocutory decision in opposition proceedings
Dec 21, 2021
Letter accompanying subsequently filed items
Dec 21, 2021
Means of redress
Dec 21, 2021
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Dec 21, 2021
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Dec 21, 2021
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Dec 21, 2021
Provision of a copy of the minutes - opposition procedure
Dec 21, 2021
Provision of a copy of the minutes - opposition procedure
Dec 21, 2021
Scanned annex to a communication - opposition procedure
Dec 21, 2021
Transmittal of decision / summons - opposition
Dec 21, 2021
Transmittal of decision / summons - opposition
Oct 27, 2021
Information about the result of oral proceedings
Oct 21, 2021
Brief communication - Opposition proceedings
Oct 18, 2021
(Electronic) Receipt
Oct 18, 2021
Auxiliary request during Opposition procedure
Oct 18, 2021
Auxiliary request during Opposition procedure
Oct 18, 2021
Auxiliary request during Opposition procedure
Oct 18, 2021
Auxiliary request during Opposition procedure
Oct 18, 2021
Auxiliary request during Opposition procedure
Oct 18, 2021
Auxiliary request during Opposition procedure - 02
Oct 18, 2021
Auxiliary request during Opposition procedure - 03
Oct 18, 2021
Auxiliary request during Opposition procedure - 04
Oct 18, 2021
Auxiliary request during Opposition procedure - 05
Oct 18, 2021
Auxiliary request during Opposition procedure - 06
Oct 18, 2021
Citation in opposition procedure - 031
Oct 18, 2021
Consolidated list of cited opposition documents
Oct 18, 2021
Letter accompanying subsequently filed items
Oct 18, 2021
Written submission in preparation to/during oral proceedings
Sep 1, 2021
Brief communication - Opposition proceedings
Sep 1, 2021
Brief communication - Opposition proceedings
Aug 27, 2021
(Electronic) Receipt
Aug 27, 2021
(Electronic) Receipt
Aug 27, 2021
(Electronic) Receipt
Aug 27, 2021
(Electronic) Receipt
Aug 27, 2021
Auxiliary request during Opposition procedure
Aug 27, 2021
Auxiliary request during Opposition procedure - 01
Aug 27, 2021
Citation in opposition procedure - 002
Aug 27, 2021
Citation in opposition procedure - 019
Aug 27, 2021
Citation in opposition procedure - 020
Aug 27, 2021
Citation in opposition procedure - 021
Aug 27, 2021
Citation in opposition procedure - 022
Aug 27, 2021
Citation in opposition procedure - 023
Aug 27, 2021
Citation in opposition procedure - 024
Aug 27, 2021
Citation in opposition procedure - 025
Aug 27, 2021
Citation in opposition procedure - 026
Aug 27, 2021
Citation in opposition procedure - 027
Aug 27, 2021
Citation in opposition procedure - 028
Aug 27, 2021
Citation in opposition procedure - 029
Aug 27, 2021
Citation in opposition procedure - 030
Aug 27, 2021
Letter accompanying subsequently filed items
Aug 27, 2021
Letter accompanying subsequently filed items
Aug 27, 2021
Letter accompanying subsequently filed items
Aug 27, 2021
Letter accompanying subsequently filed items
Aug 27, 2021
Request for interpreters during oral proceedings
Aug 27, 2021
Written submission in preparation to/during oral proceedings
Aug 27, 2021
Written submission in preparation to/during oral proceedings
Aug 5, 2021
Letter accompanying subsequently filed items
Aug 5, 2021
Request for change of opponent's representative
Jul 2, 2021
Notification concerning the date of oral proceedings
Jul 2, 2021
Notification concerning the date of oral proceedings
Nov 19, 2020
Advice of delivery
Nov 13, 2020
(Electronic) Receipt
Nov 13, 2020
Advice of delivery
Nov 13, 2020
Letter accompanying subsequently filed items
Nov 12, 2020
Acknowledgement of a document
Nov 12, 2020
Acknowledgement of a document
Nov 12, 2020
Annex to the communication - opposition
Nov 12, 2020
Information concerning oral proceedings
Nov 12, 2020
Summons to attend oral proceedings
Nov 12, 2020
Summons to attend oral proceedings
Oct 19, 2020
Brief communication - Opposition proceedings
Oct 13, 2020
(Electronic) Receipt
Oct 13, 2020
Citation in opposition procedure - 018
Oct 13, 2020
Letter accompanying subsequently filed items
Oct 13, 2020
Reply from the opponent to submission of proprietor
Jul 31, 2020
Brief communication - Opposition proceedings
Jul 28, 2020
(Electronic) Receipt
Jul 28, 2020
Any annexes (other than citation) to an opposition letter
Jul 28, 2020
Citation in opposition procedure - 016
Jul 28, 2020
Citation in opposition procedure - 017
Jul 28, 2020
Letter accompanying subsequently filed items
Jul 28, 2020
Reply of the patent proprietor to the notice(s) of opposition
Mar 18, 2020
Communication of a notice of opposition and request to file observations
Mar 18, 2020
Notice of further oppositions to opponent(s)
Mar 5, 2020
Communication of a notice of opposition - first information to patent proprietor
Feb 28, 2020
(Electronic) Receipt
Feb 28, 2020
Citation in opposition procedure
Feb 28, 2020
Citation in opposition procedure - 001
Feb 28, 2020
Citation in opposition procedure - 003
Feb 28, 2020
Citation in opposition procedure - 004
Feb 28, 2020
Citation in opposition procedure - 005
Feb 28, 2020
Citation in opposition procedure - 006
Feb 28, 2020
Citation in opposition procedure - 007
Feb 28, 2020
Citation in opposition procedure - 008
Feb 28, 2020
Citation in opposition procedure - 009
Feb 28, 2020
Citation in opposition procedure - 010
Feb 28, 2020
Citation in opposition procedure - 011
Feb 28, 2020
Citation in opposition procedure - 012
Feb 28, 2020
Citation in opposition procedure - 013
Feb 28, 2020
Citation in opposition procedure - 014
Feb 28, 2020
Citation in opposition procedure - 015
Feb 28, 2020
Notice of opposition
Feb 28, 2020
Notice of opposition
Jun 11, 2019
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
May 3, 2019
Decision to grant a European patent
Apr 24, 2019
Change to the inventor details
Apr 17, 2019
(Electronic) Receipt
Apr 17, 2019
Amended claims with annotations
Apr 17, 2019
Claims
Apr 17, 2019
French translation of claims
Apr 17, 2019
German translation of the claims
Apr 17, 2019
Letter accompanying subsequently filed items
Apr 17, 2019
Request for correction/amendment of the text proposed for grant sent from 01.04.2012
Dec 7, 2018
Bibliographic data of the European patent application
Dec 7, 2018
Communication about intention to grant a European patent
Dec 7, 2018
Intention to grant (signatures)
Dec 7, 2018
Text intended for grant (clean copy)
Dec 7, 2018
Text intended for grant (version for approval)
Nov 15, 2018
Acknowledgement of receipt of third party observations
Nov 15, 2018
Transmittal of third party observations to applicant
Nov 9, 2018
Notification concerning the date of oral proceedings
Nov 8, 2018
(Electronic) Receipt
Nov 8, 2018
Letter accompanying subsequently filed items
Nov 8, 2018
Non-patent literature filed by a third party
Nov 8, 2018
Non-patent literature filed by a third party
Nov 8, 2018
Observations by third parties
Nov 6, 2018
Result of consultation by telephone/in person
Nov 5, 2018
(Electronic) Receipt
Nov 5, 2018
Amended claims with annotations
Nov 5, 2018
Claims
Nov 5, 2018
Description
Nov 5, 2018
Letter accompanying subsequently filed items
Nov 5, 2018
Written submission in preparation to/during oral proceedings
Oct 16, 2018
Annex to the communication
Oct 16, 2018
Consultation by telephone/in person
Oct 16, 2018
Result of consultation by telephone/in person
Oct 15, 2018
Consultation by telephone/in person
Oct 9, 2018
(Electronic) Receipt
Oct 9, 2018
Amended claims with annotations
Oct 9, 2018
Claims
Oct 9, 2018
Letter accompanying subsequently filed items
Oct 9, 2018
Written submission in preparation to/during oral proceedings
Sep 26, 2018
(Electronic) Receipt
Sep 26, 2018
Annexes in respect of a client data request
Sep 26, 2018
Letter accompanying subsequently filed items
Sep 12, 2018
Communication of the registration of a transfer or change of name and/or address
Aug 29, 2018
(Electronic) Receipt
Aug 29, 2018
Letter accompanying subsequently filed items
Aug 29, 2018
Submission concerning a transfer of rights (applicant)
May 28, 2018
Advice of delivery
May 24, 2018
Advice of delivery
May 23, 2018
Annex to the communication
May 23, 2018
Preparation for oral proceedings
May 23, 2018
Summons to attend oral proceedings
Feb 13, 2018
(Electronic) Receipt
Feb 13, 2018
Amended claims with annotations
Feb 13, 2018
Claims
Feb 13, 2018
Letter accompanying subsequently filed items
Feb 13, 2018
Reply to communication from the Examining Division
Oct 5, 2017
Annex to the communication
Oct 5, 2017
Communication from the Examining Division
Jan 24, 2017
(Electronic) Receipt
Jan 24, 2017
Description
Jan 24, 2017
Drawings
Jan 24, 2017
Letter accompanying subsequently filed items
Jan 24, 2017
Reply to communication from the Examining Division
Nov 18, 2016
Grant of extension of time limit (examination procedure)
Nov 14, 2016
(Electronic) Receipt
Nov 14, 2016
Request for extension of time limit to communication from the Examining Division
Jul 29, 2016
Annex to the communication
Jul 29, 2016
Communication from the Examining Division
Jul 20, 2016
Examination started
Apr 29, 2016
(Electronic) Receipt
Apr 29, 2016
Amended claims filed after receipt of (European) search report
Apr 29, 2016
Amended claims with annotations
Apr 29, 2016
Amendments received before examination
Apr 29, 2016
Letter accompanying subsequently filed items
Dec 8, 2015
Communication of the registration of a transfer or change of name and/or address
Dec 2, 2015
(Electronic) Receipt
Dec 2, 2015
Annexes in respect of a client data request
Dec 2, 2015
Letter accompanying subsequently filed items
Dec 2, 2015
Submission concerning change of applicant's name
Oct 23, 2015
Invitation to declare maintenance of the application and to correct deficiencies in the Written Opinion/amend application
Oct 6, 2015
Communication regarding the transmission of the European search report
Oct 6, 2015
European search opinion
Oct 6, 2015
Supplementary European search report
Sep 25, 2015
Search started
Jun 18, 2015
(Electronic) Receipt
Jun 18, 2015
Amended claims filed after receipt of (European) search report
Jun 18, 2015
Amendments received before examination
Jun 18, 2015
Amendments received before examination
Jun 18, 2015
Letter accompanying subsequently filed items
Dec 19, 2014
Communication regarding possible amendment of the application/payment of claims fee
Nov 19, 2014
Notification on forthcoming publication of bibliographic data
Sep 23, 2014
Communication to designated inventor
Sep 23, 2014
Communication to designated inventor
Sep 23, 2014
Communication to designated inventor
Sep 23, 2014
Communication to designated inventor
Sep 23, 2014
Communication to designated inventor
Sep 23, 2014
Communication to designated inventor
Sep 4, 2014
(Electronic) Receipt
Sep 4, 2014
Request for entry into the European phase
Aug 26, 2014
Copy of the international preliminary report on patentability
Aug 20, 2014
Communication in cases for which no other form is applicable
Jun 23, 2014
Information on entry into European phase
Mar 11, 2014
Notification of the recording of a change
Sep 3, 2013
Priority document (electronically transmitted)
Sep 3, 2013
Priority document (electronically transmitted)
Aug 15, 2013
Copy of the international search report
Aug 15, 2013
Matter concerning the application
Aug 15, 2013
Published international application - A1

EP2812443

INHIBRX

Application Number: EP13746964A
Filing Date: Feb 6, 2013
Status: Granted And Under Opposition; Apr 26, 2019
Publication Date: May 29, 2019
External Links: Slate, Register , Google Patents

IP Verse

Cd47 Antibodies And Methods Of Use Thereof

Patent Summary

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Dossier Documents

EP2812443