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Compositions And Methods For Increasing The Serum Half-Life Of A Therapeutic Agent Targeting Complement C5

Patent No. EP2978451 (titled "Compositions And Methods For Increasing The Serum Half-Life Of A Therapeutic Agent Targeting Complement C5") was filed by Alexion Pharmaceuticals on Mar 28, 2014. The application was issued on Nov 27, 2019.

Patent Summary

Patent Family

Patent Oppositions (2)

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
ALNYLAM PHARMACEUTICALS	Aug 27, 2020	HOFFMANN EITLE
REGENERON PHARMACEUTICALS	Aug 27, 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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May 8, 2023
Communication to the parties concerning the termination of the opposition proceedings (opponent)
May 8, 2023
Communication to the parties concerning the termination of the opposition proceedings (opponent)
May 8, 2023
Communication to the parties concerning the termination of the opposition proceedings (proprietor)
May 2, 2023
Termination of the opposition proceedings with revocation of patent
Feb 2, 2023
(Electronic) Receipt
Feb 2, 2023
Advice of delivery
Feb 2, 2023
Letter accompanying subsequently filed items
Jan 24, 2023
Advice of delivery
Jan 23, 2023
Advice of delivery
Jan 20, 2023
Annex to the communication - opposition
Jan 20, 2023
Decision of the Opposition Division and instruction
Jan 20, 2023
Decision revoking the European patent
Jan 20, 2023
Decision revoking the European patent
Jan 20, 2023
Decision revoking the European patent
Jan 20, 2023
Grounds for the decision (Annex) - opposition
Jan 20, 2023
Means of redress
Jan 20, 2023
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Jan 20, 2023
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Jan 20, 2023
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Jan 20, 2023
Provision of a copy of the minutes - opposition procedure
Jan 20, 2023
Provision of a copy of the minutes - opposition procedure
Jan 20, 2023
Provision of a copy of the minutes - opposition procedure
Jan 20, 2023
Scanned annex to a communication - opposition procedure
Jan 20, 2023
Scanned annex to a communication - opposition procedure
Jan 20, 2023
Transmittal of decision / summons - opposition
Jan 20, 2023
Transmittal of decision / summons - opposition
Jan 20, 2023
Transmittal of decision / summons - opposition
Dec 6, 2022
Information about the result of oral proceedings
Nov 4, 2022
(Electronic) Receipt
Nov 4, 2022
Letter accompanying subsequently filed items
Nov 4, 2022
Request for interpreters during oral proceedings
Oct 21, 2022
(Electronic) Receipt
Oct 21, 2022
(Electronic) Receipt
Oct 20, 2022
(Electronic) Receipt
Oct 20, 2022
Letter accompanying subsequently filed items
Oct 12, 2022
Notification concerning the date of oral proceedings
Oct 12, 2022
Notification concerning the date of oral proceedings
Oct 12, 2022
Notification concerning the date of oral proceedings
May 18, 2022
Advice of delivery
May 5, 2022
Advice of delivery
May 4, 2022
(Electronic) Receipt
May 4, 2022
Advice of delivery
May 4, 2022
Letter accompanying subsequently filed items
May 4, 2022
Summons to attend oral proceedings
May 4, 2022
Summons to attend oral proceedings
May 4, 2022
Summons to attend oral proceedings
May 4, 2022
Transmittal of decision / summons - opposition
May 4, 2022
Transmittal of decision / summons - opposition
May 4, 2022
Transmittal of decision / summons - opposition
Apr 25, 2022
Information about the result of oral proceedings
Mar 23, 2022
Notification concerning the date of oral proceedings
Mar 23, 2022
Notification concerning the date of oral proceedings
Mar 23, 2022
Notification concerning the date of oral proceedings
Mar 22, 2022
Written submission in preparation to/during oral proceedings
Mar 16, 2022
Brief communication - Opposition proceedings
Mar 16, 2022
Brief communication - Opposition proceedings
Mar 14, 2022
Letter accompanying subsequently filed items
Mar 14, 2022
Written submission in preparation to/during oral proceedings
Feb 3, 2022
(Electronic) Receipt
Feb 3, 2022
Letter accompanying subsequently filed items
Feb 1, 2022
Notification concerning the date of oral proceedings
Feb 1, 2022
Notification concerning the date of oral proceedings
Feb 1, 2022
Notification concerning the date of oral proceedings
Jan 28, 2022
Brief communication - Opposition proceedings
Jan 28, 2022
Brief communication - Opposition proceedings
Jan 27, 2022
Brief communication - Opposition proceedings
Jan 27, 2022
Brief communication - Opposition proceedings
Jan 27, 2022
Brief communication - Opposition proceedings
Jan 27, 2022
Brief communication - Opposition proceedings
Jan 24, 2022
(Electronic) Receipt
Jan 24, 2022
(Electronic) Receipt
Jan 24, 2022
(Electronic) Receipt
Jan 24, 2022
Any annexes (other than citation) to an opposition letter
Jan 24, 2022
Auxiliary request during Opposition procedure
Jan 24, 2022
Auxiliary request during Opposition procedure
Jan 24, 2022
Auxiliary request during Opposition procedure
Jan 24, 2022
Auxiliary request during Opposition procedure
Jan 24, 2022
Auxiliary request during Opposition procedure
Jan 24, 2022
Auxiliary request during Opposition procedure - 07
Jan 24, 2022
Auxiliary request during Opposition procedure - 08
Jan 24, 2022
Auxiliary request during Opposition procedure - 09
Jan 24, 2022
Auxiliary request during Opposition procedure - 10
Jan 24, 2022
Auxiliary request during Opposition procedure - 11
Jan 24, 2022
Letter accompanying subsequently filed items
Jan 24, 2022
Letter accompanying subsequently filed items
Jan 24, 2022
Letter accompanying subsequently filed items
Jan 24, 2022
Request for interpreters during oral proceedings
Jan 24, 2022
Written submission in preparation to/during oral proceedings
Jan 24, 2022
Written submission in preparation to/during oral proceedings
Sep 20, 2021
Document concerning representation
Aug 16, 2021
(Electronic) Receipt
Aug 16, 2021
Advice of delivery
Aug 16, 2021
Letter accompanying subsequently filed items
Aug 5, 2021
Advice of delivery
Aug 5, 2021
Letter accompanying subsequently filed items
Aug 5, 2021
Request for change of opponent's representative
Aug 2, 2021
Advice of delivery
Jul 30, 2021
Annex to the communication - opposition
Jul 30, 2021
Information concerning oral proceedings
Jul 30, 2021
Summons to attend oral proceedings
Jul 30, 2021
Summons to attend oral proceedings
Jul 30, 2021
Summons to attend oral proceedings
Jul 30, 2021
Transmittal of decision / summons - opposition
Jul 30, 2021
Transmittal of decision / summons - opposition
Jul 30, 2021
Transmittal of decision / summons - opposition
Apr 1, 2021
Brief communication - Opposition proceedings
Apr 1, 2021
Brief communication - Opposition proceedings
Mar 26, 2021
(Electronic) Receipt
Mar 26, 2021
Letter accompanying subsequently filed items
Mar 26, 2021
Letter regarding the opposition procedure (no time limit)
Jan 26, 2021
Brief communication - Opposition proceedings
Jan 26, 2021
Brief communication - Opposition proceedings
Jan 20, 2021
(Electronic) Receipt
Jan 20, 2021
Auxiliary request during Opposition procedure
Jan 20, 2021
Auxiliary request during Opposition procedure
Jan 20, 2021
Auxiliary request during Opposition procedure
Jan 20, 2021
Auxiliary request during Opposition procedure
Jan 20, 2021
Auxiliary request during Opposition procedure
Jan 20, 2021
Auxiliary request during Opposition procedure
Jan 20, 2021
Auxiliary request during Opposition procedure
Jan 20, 2021
Auxiliary request during Opposition procedure
Jan 20, 2021
Auxiliary request during Opposition procedure - 01
Jan 20, 2021
Auxiliary request during Opposition procedure - 02
Jan 20, 2021
Auxiliary request during Opposition procedure - 03
Jan 20, 2021
Auxiliary request during Opposition procedure - 04
Jan 20, 2021
Auxiliary request during Opposition procedure - 05
Jan 20, 2021
Auxiliary request during Opposition procedure - 06
Jan 20, 2021
Auxiliary request during Opposition procedure - 07
Jan 20, 2021
Auxiliary request during Opposition procedure - 08
Jan 20, 2021
Letter accompanying subsequently filed items
Jan 20, 2021
Main request during Opposition procedure
Jan 20, 2021
Main request during Opposition procedure
Jan 20, 2021
Reply of the patent proprietor to the notice(s) of opposition
Jan 20, 2021
Reply of the patent proprietor to the notice(s) of opposition
Sep 10, 2020
Communication of a notice of opposition and request to file observations
Sep 10, 2020
Notice of further oppositions to opponent(s)
Sep 2, 2020
Communication of a notice of opposition - first information to patent proprietor
Sep 2, 2020
Communication of a notice of opposition - first information to patent proprietor
Aug 28, 2020
Consolidated list of cited opposition documents
Aug 27, 2020
(Electronic) Receipt
Aug 27, 2020
(Electronic) Receipt
Aug 27, 2020
Citation in opposition procedure - 001
Aug 27, 2020
Citation in opposition procedure - 002
Aug 27, 2020
Citation in opposition procedure - 003
Aug 27, 2020
Citation in opposition procedure - 004
Aug 27, 2020
Citation in opposition procedure - 005
Aug 27, 2020
Citation in opposition procedure - 006
Aug 27, 2020
Citation in opposition procedure - 007
Aug 27, 2020
Citation in opposition procedure - 008
Aug 27, 2020
Citation in opposition procedure - 009
Aug 27, 2020
Citation in opposition procedure - 010
Aug 27, 2020
Citation in opposition procedure - 011
Aug 27, 2020
Citation in opposition procedure - 012
Aug 27, 2020
Citation in opposition procedure - 013
Aug 27, 2020
Citation in opposition procedure - 014
Aug 27, 2020
Citation in opposition procedure - 015
Aug 27, 2020
Citation in opposition procedure - 016
Aug 27, 2020
Citation in opposition procedure - 017
Aug 27, 2020
Citation in opposition procedure - 018
Aug 27, 2020
Citation in opposition procedure - 019
Aug 27, 2020
Citation in opposition procedure - 020
Aug 27, 2020
Citation in opposition procedure - 021
Aug 27, 2020
Citation in opposition procedure - 022
Aug 27, 2020
Citation in opposition procedure - 023
Aug 27, 2020
Citation in opposition procedure - 024
Aug 27, 2020
Citation in opposition procedure - 025
Aug 27, 2020
Citation in opposition procedure - 026
Aug 27, 2020
Citation in opposition procedure - 027
Aug 27, 2020
Notice of opposition
Aug 27, 2020
Notice of opposition
Aug 27, 2020
Notice of opposition
Aug 27, 2020
Notice of opposition
Aug 27, 2020
Patent document cited during the opposition procedure
Aug 27, 2020
Patent document cited during the opposition procedure
Aug 27, 2020
Patent document cited during the opposition procedure
Aug 27, 2020
Patent document cited during the opposition procedure
Dec 9, 2019
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Oct 31, 2019
Decision to grant a European patent
Oct 17, 2019
(Electronic) Receipt
Oct 17, 2019
Enquiry as to the processing of the file
Oct 17, 2019
Letter accompanying subsequently filed items
Jul 3, 2019
Decision to allow further processing
Jun 18, 2019
(Electronic) Receipt
Jun 18, 2019
Filing of the translations of the claims
Jun 18, 2019
French translation of claims
Jun 18, 2019
German translation of the claims
Jun 18, 2019
Letter accompanying subsequently filed items
Jun 18, 2019
Request for further processing
May 16, 2019
Application deemed to be withdrawn ( translations of claims/payment missing)
Nov 28, 2018
Bibliographic data of the European patent application
Nov 28, 2018
Communication about intention to grant a European patent
Nov 28, 2018
Intention to grant (signatures)
Nov 28, 2018
Text intended for grant (clean copy)
Nov 28, 2018
Text intended for grant (version for approval)
Nov 14, 2018
Communication of the registration of a transfer or change of name and/or address
Nov 5, 2018
(Electronic) Receipt
Nov 5, 2018
Letter accompanying subsequently filed items
Nov 5, 2018
Submission concerning change of applicant's address
Oct 15, 2018
(Electronic) Receipt
Oct 15, 2018
Amended claims with annotations
Oct 15, 2018
Amended description with annotations
Oct 15, 2018
Claims
Oct 15, 2018
Description
Oct 15, 2018
Letter accompanying subsequently filed items
Oct 15, 2018
Request for correction/amendment of the text proposed for grant sent from 01.04.2012
Jun 18, 2018
Bibliographic data of the European patent application
Jun 18, 2018
Communication about intention to grant a European patent
Jun 18, 2018
Intention to grant (signatures)
Jun 18, 2018
Text intended for grant (clean copy)
Jun 18, 2018
Text intended for grant (version for approval)
May 25, 2018
Processing of request for correction of text proposed for grant or third party observations (from 01-04-2012)
Apr 19, 2018
(Electronic) Receipt
Apr 19, 2018
Amended claims with annotations
Apr 19, 2018
Amended description with annotations
Apr 19, 2018
Claims
Apr 19, 2018
Description
Apr 19, 2018
Letter accompanying subsequently filed items
Apr 19, 2018
Request for correction/amendment of the text proposed for grant sent from 01.04.2012
Feb 1, 2018
Bibliographic data of the European patent application
Feb 1, 2018
Communication about intention to grant a European patent
Feb 1, 2018
Intention to grant (signatures)
Feb 1, 2018
Text intended for grant (clean copy)
Feb 1, 2018
Text intended for grant (version for approval)
Sep 5, 2017
(Electronic) Receipt
Sep 5, 2017
Amended description with annotations
Sep 5, 2017
Description
Sep 5, 2017
Letter accompanying subsequently filed items
Sep 5, 2017
Reply to communication from the Examining Division
Aug 1, 2017
Annex to the communication
Aug 1, 2017
Communication from the Examining Division
Jun 12, 2017
Communication of amended entries concerning the representative
Jun 7, 2017
Submission concerning change of applicant's representative
Jun 6, 2017
Submission concerning change of applicant's representative
May 12, 2017
(Electronic) Receipt
May 12, 2017
Amended claims with annotations
May 12, 2017
Claims
May 12, 2017
Letter accompanying subsequently filed items
May 12, 2017
Reply to communication from the Examining Division
Apr 10, 2017
Annex to the communication
Apr 10, 2017
Communication from the Examining Division
Jan 17, 2017
(Electronic) Receipt
Jan 17, 2017
Amended claims with annotations
Jan 17, 2017
Claims
Jan 17, 2017
Letter accompanying subsequently filed items
Jan 17, 2017
Reply to communication from the Examining Division
Nov 23, 2016
Grant of extension of time limit (examination procedure)
Nov 16, 2016
(Electronic) Receipt
Nov 16, 2016
Letter accompanying subsequently filed items
Nov 16, 2016
Request for extension of time limit to communication from the Examining Division
Jul 7, 2016
Annex to the communication
Jul 7, 2016
Communication from the Examining Division
Jun 30, 2016
Examination started
May 12, 2016
(Electronic) Receipt
May 12, 2016
Amended claims filed after receipt of (European) search report
May 12, 2016
Amended claims with annotations
May 12, 2016
Amendments received before examination
May 12, 2016
Letter accompanying subsequently filed items
Jan 7, 2016
Notification on forthcoming publication of bibliographic data
Nov 5, 2015
Communication concerning correction of deficiencies in written opinion/amendment of application/payment of claims fee
Nov 3, 2015
Communication to designated inventor
Nov 3, 2015
Communication to designated inventor
Oct 6, 2015
Annexes to the international preliminary examination report
Oct 6, 2015
Copy of the international preliminary examination report
Aug 7, 2015
Information on entry into European phase
Aug 5, 2015
(Electronic) Receipt
Aug 5, 2015
Annex
Aug 5, 2015
Request for entry into the European phase
Jul 27, 2015
Annex to International preliminary examination report
Jul 27, 2015
International preliminary examination report
Jul 27, 2015
International preliminary examination report - free text sheet
Jul 27, 2015
International preliminary examination report - points I-VIII
Jul 27, 2015
Transmittal of International Preliminary Examination Report
Apr 17, 2015
Written opinion
Apr 17, 2015
Written opinion - free text sheet
Apr 17, 2015
Written opinion - points I-VIII
Mar 10, 2015
Notification of election of EPO
Mar 3, 2015
Amendments of documents (Article 19 PCT)
Feb 20, 2015
Notification of receipt of demand
Jan 28, 2015
Document concerning fees and payments
Jan 28, 2015
Letter regarding PCTII procedure
Jan 28, 2015
PCT demand form
Jan 28, 2015
PCT(IPEA): Amended sheet - claims
Jan 28, 2015
Reply to International Search Opinion
Jan 26, 2015
Cover sheet for fax transmission
Jan 26, 2015
Document concerning fees and payments
Jan 26, 2015
PCT demand form
Jan 26, 2015
PCT(IPEA): Amended sheet - claims
Jan 26, 2015
Payment of fees and costs
Jan 26, 2015
Reply to International Search Opinion
Oct 22, 2014
Priority document (electronically transmitted)
Oct 2, 2014
Copy of the international search report
Oct 2, 2014
Published international application - A1
Aug 13, 2014
Written opinion of the ISA, boxes No. I to VIII
Aug 13, 2014
Written opinion of the ISA, cover sheet
Aug 13, 2014
Written opinion of the ISA, supplemental box
May 9, 2014
Abstract
May 9, 2014
Annex
May 9, 2014
Claims
May 9, 2014
Description
May 9, 2014
Drawings

EP2978451

ALEXION PHARMACEUTICALS

Application Number: EP14722916A
Filing Date: Mar 28, 2014
Status: Revoked; May 5, 2023
Publication Date: Nov 27, 2019
External Links: Slate, Register , Google Patents