Fc Variants With Altered Binding To Fcrn

Patent No. EP3138853 (titled "Fc Variants With Altered Binding To Fcrn") was filed by Xencor on Sep 22, 2008. The application was issued on Nov 24, 2021.

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
COHAUSZ & FLORACK PATENT UND RECHTSANWALTE PARTNERSCHAFTSGESELLSCHAFT MBB	Aug 24, 2022	COHAUSZ & FLORACK

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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May 10, 2023
Communication to the parties concerning the termination of the opposition proceedings (opponent)
May 10, 2023
Communication to the parties concerning the termination of the opposition proceedings (proprietor)
May 4, 2023
Termination of the opposition proceedings with revocation of patent
Feb 14, 2023
(Electronic) Receipt
Feb 14, 2023
Advice of delivery
Feb 14, 2023
Letter accompanying subsequently filed items
Jan 25, 2023
Decision revoking the European patent
Jan 25, 2023
Decision revoking the European patent
Jan 25, 2023
Transmittal of decision / summons - opposition
Jan 25, 2023
Transmittal of decision / summons - opposition
Jan 17, 2023
(Electronic) Receipt
Jan 17, 2023
Letter accompanying subsequently filed items
Jan 17, 2023
Request for revocation of patent
Sep 7, 2022
Communication of a notice of opposition and request to file observations
Sep 7, 2022
Notice of further oppositions to opponent(s)
Aug 30, 2022
Communication of a notice of opposition - first information to patent proprietor
Aug 24, 2022
(Electronic) Receipt
Aug 24, 2022
Any annexes (other than citation) to an opposition letter
Aug 24, 2022
Citation in opposition procedure - 001
Aug 24, 2022
Citation in opposition procedure - 002
Aug 24, 2022
Citation in opposition procedure - 003
Aug 24, 2022
Citation in opposition procedure - 004
Aug 24, 2022
Citation in opposition procedure - 005
Aug 24, 2022
Consolidated list of cited opposition documents
Aug 24, 2022
Notice of opposition
Aug 24, 2022
Notice of opposition
Dec 7, 2021
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Oct 28, 2021
Decision to grant a European patent
Oct 18, 2021
(Electronic) Receipt
Oct 18, 2021
Filing of the translations of the claims
Oct 18, 2021
French translation of claims
Oct 18, 2021
German translation of the claims
Jun 8, 2021
Bibliographic data of the European patent application
Jun 8, 2021
Communication about intention to grant a European patent
Jun 8, 2021
Intention to grant (signatures)
Jun 8, 2021
Text intended for grant (clean copy)
Jun 8, 2021
Text intended for grant (sequence listing)
Jun 8, 2021
Text intended for grant (version for approval)
Mar 29, 2021
(Electronic) Receipt
Mar 29, 2021
Amended claims with annotations
Mar 29, 2021
Claims
Mar 29, 2021
Letter accompanying subsequently filed items
Mar 29, 2021
Request for correction/amendment of the text proposed for grant sent from 01.04.2012
Nov 20, 2020
Bibliographic data of the European patent application
Nov 20, 2020
Communication about intention to grant a European patent
Nov 20, 2020
Text intended for grant (clean copy)
Nov 20, 2020
Text intended for grant (sequence listing)
Nov 20, 2020
Text intended for grant (version for approval)
Oct 15, 2020
Annex to a communication
Oct 15, 2020
Annex to a communication
Oct 15, 2020
Annex to a communication
Oct 15, 2020
Annex to a communication
Oct 15, 2020
Annex to a communication
Oct 15, 2020
Annex to a communication
Oct 15, 2020
Annex to a communication
Oct 15, 2020
Annex to the communication
Oct 15, 2020
Minutes of the oral proceedings (examining division)
Oct 15, 2020
Minutes of the oral proceedings (examining division)
Oct 15, 2020
Minutes of the oral proceedings (examining division)
Oct 15, 2020
Provision of a copy of the minutes of oral proceedings
Sep 24, 2020
(Electronic) Receipt
Sep 24, 2020
(Electronic) Receipt
Sep 24, 2020
Amended claims with annotations
Sep 24, 2020
Amended claims with annotations
Sep 24, 2020
Annex
Sep 24, 2020
Annex
Sep 24, 2020
Claims
Sep 24, 2020
Claims
Sep 24, 2020
Letter accompanying subsequently filed items
Sep 24, 2020
Letter accompanying subsequently filed items
Sep 24, 2020
Written submission in preparation to/during oral proceedings
Sep 24, 2020
Written submission in preparation to/during oral proceedings
Sep 17, 2020
Annex to the communication
Sep 17, 2020
Consultation by telephone/in person
Sep 17, 2020
Result of consultation by telephone/in person
Aug 25, 2020
(Electronic) Receipt
Aug 25, 2020
Amended claims with annotations
Aug 25, 2020
Amended claims with annotations
Aug 25, 2020
Claims
Aug 25, 2020
Claims
Aug 25, 2020
Letter accompanying subsequently filed items
Aug 25, 2020
Patent document cited during the examination procedure
Aug 25, 2020
Written submission in preparation to/during oral proceedings
Jun 4, 2020
Communication of amended entries concerning the representative
May 29, 2020
Submission concerning change of applicant's representative
Apr 24, 2020
Annex to the communication
Apr 24, 2020
Summons to attend oral proceedings
Nov 12, 2019
(Electronic) Receipt
Nov 12, 2019
Amended claims with annotations
Nov 12, 2019
Claims
Nov 12, 2019
Letter accompanying subsequently filed items
Nov 12, 2019
Reply to communication from the Examining Division
Jul 15, 2019
Grant of extension of time limit (examination procedure)
Jul 10, 2019
(Electronic) Receipt
Jul 10, 2019
Letter accompanying subsequently filed items
May 3, 2019
Annex to the communication
May 3, 2019
Communication from the Examining Division
Apr 11, 2019
Examination started
Sep 6, 2017
(Electronic) Receipt
Sep 6, 2017
Amended claims filed after receipt of (European) search report
Sep 6, 2017
Amended claims with annotations
Sep 6, 2017
Amended description filed after receipt of (European) search report
Sep 6, 2017
Amended description with annotations
Sep 6, 2017
Amendments received before examination
Sep 6, 2017
Letter accompanying subsequently filed items
Mar 13, 2017
Invitation to confirm maintenance of the application and to correct deficiencies in the Written Opinion/amend application
Mar 8, 2017
Communication to designated inventor
Mar 2, 2017
(Electronic) Receipt
Mar 2, 2017
Letter accompanying subsequently filed items
Mar 2, 2017
Letter concerning the inventor
Feb 8, 2017
Notification of forthcoming publication
Feb 8, 2017
Refund of fees
Feb 3, 2017
Communication regarding the transmission of the European search report
Feb 3, 2017
European search opinion
Feb 3, 2017
European search report
Feb 3, 2017
Information on Search Strategy
Jan 13, 2017
Search started
Dec 12, 2016
Invitation to indicate correct address of inventor
Dec 5, 2016
Letter which had not been notified
Oct 14, 2016
Communication to designated inventor
Oct 14, 2016
Communication to designated inventor
Oct 14, 2016
Communication to designated inventor
Oct 14, 2016
Communication to designated inventor
Oct 11, 2016
Request for correction of obvious mistakes allowed
Sep 28, 2016
Notice on debiting of fees
Aug 24, 2016
(Electronic) Receipt
Aug 24, 2016
Letter accompanying subsequently filed items
Aug 24, 2016
Request for correction of errors in filed documents
Aug 23, 2016
Abstract
Aug 23, 2016
Acknowledgement of receipt of electronic submission of the request for grant of a European patent
Aug 23, 2016
Claims
Aug 23, 2016
Converted Sequence Listing
Aug 23, 2016
Description
Aug 23, 2016
Designation of inventor
Aug 23, 2016
Drawings
Aug 23, 2016
Request for grant of a European patent
May 27, 2009
Priority document (electronically transmitted)

EP3138853

XENCOR

Application Number: EP16185391A
Filing Date: Sep 22, 2008
Status: Revoked; May 5, 2023
Publication Date: Nov 24, 2021
External Links: Slate, Register , Google Patents

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Fc Variants With Altered Binding To Fcrn

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Dossier Documents

EP3138853