Controlled Release Pharmaceutical Composition

Patent No. EP2554168 (titled "Controlled Release Pharmaceutical Composition") was filed by Astellas Pharma on Mar 28, 2011. The application was issued on Jan 24, 2018.

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
ALFRED E TIEFENBACHER	Oct 24, 2018	HAMM & WITTKOPP
HEXAL	Oct 24, 2018	BEST
LEDERER & KELLER PATENTANWALTE PARTNERSCHAFT MBB	Oct 24, 2018	KALHAMMER
STADA ARZNEIMITTEL	Oct 24, 2018	KERNEBECK

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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Jul 9, 2020
Communication to the parties concerning the termination of the opposition proceedings (opponent)
Jul 9, 2020
Communication to the parties concerning the termination of the opposition proceedings (opponent)
Jul 9, 2020
Communication to the parties concerning the termination of the opposition proceedings (opponent)
Jul 9, 2020
Communication to the parties concerning the termination of the opposition proceedings (opponent)
Jul 9, 2020
Communication to the parties concerning the termination of the opposition proceedings (proprietor)
Jul 6, 2020
Termination of the opposition proceedings with revocation of patent
Mar 6, 2020
Advice of delivery
Mar 5, 2020
Advice of delivery
Mar 5, 2020
Advice of delivery
Mar 4, 2020
Advice of delivery
Mar 4, 2020
Advice of delivery
Mar 2, 2020
Acknowledgement of a document
Mar 2, 2020
Acknowledgement of a document
Mar 2, 2020
Acknowledgement of a document
Mar 2, 2020
Acknowledgement of a document
Mar 2, 2020
Acknowledgement of a document
Mar 2, 2020
Annex to the communication - opposition
Mar 2, 2020
Decision of the Opposition Division and instruction
Mar 2, 2020
Decision revoking the European patent
Mar 2, 2020
Grounds for the decision (Annex) - opposition
Mar 2, 2020
Internal form - Opposition/addressees
Mar 2, 2020
Internal form - Opposition/addressees
Mar 2, 2020
Means of redress
Mar 2, 2020
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Mar 2, 2020
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Mar 2, 2020
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Mar 2, 2020
Provision of a copy of the minutes - opposition procedure
Mar 2, 2020
Scanned annex to a communication - opposition procedure
Dec 10, 2019
Information about the result of oral proceedings
Dec 9, 2019
Consolidated list of cited opposition documents
Nov 21, 2019
Brief communication - Opposition proceedings
Nov 21, 2019
Brief communication - Opposition proceedings
Nov 21, 2019
Brief communication - Opposition proceedings
Nov 21, 2019
Brief communication - Opposition proceedings
Nov 18, 2019
(Electronic) Receipt
Nov 18, 2019
Any annexes (other than citation) to an opposition letter
Nov 18, 2019
Letter accompanying subsequently filed items
Nov 18, 2019
Priority document
Nov 18, 2019
Written submission in preparation to/during oral proceedings
Oct 22, 2019
Request for interpreters during oral proceedings
Oct 17, 2019
Brief communication - Opposition proceedings
Oct 17, 2019
Brief communication - Opposition proceedings
Oct 17, 2019
Brief communication - Opposition proceedings
Oct 17, 2019
Brief communication - Opposition proceedings
Oct 17, 2019
Brief communication - Opposition proceedings
Oct 17, 2019
Brief communication - Opposition proceedings
Oct 17, 2019
Brief communication - Opposition proceedings
Oct 17, 2019
Brief communication - Opposition proceedings
Oct 16, 2019
Brief communication - Opposition proceedings
Oct 16, 2019
Brief communication - Opposition proceedings
Oct 16, 2019
Brief communication - Opposition proceedings
Oct 16, 2019
Brief communication - Opposition proceedings
Oct 16, 2019
Brief communication - Opposition proceedings
Oct 16, 2019
Brief communication - Opposition proceedings
Oct 16, 2019
Brief communication - Opposition proceedings
Oct 16, 2019
Brief communication - Opposition proceedings
Oct 15, 2019
Brief communication - Opposition proceedings
Oct 15, 2019
Brief communication - Opposition proceedings
Oct 15, 2019
Brief communication - Opposition proceedings
Oct 15, 2019
Brief communication - Opposition proceedings
Oct 11, 2019
Brief communication - Opposition proceedings
Oct 11, 2019
Brief communication - Opposition proceedings
Oct 11, 2019
Brief communication - Opposition proceedings
Oct 11, 2019
Brief communication - Opposition proceedings
Oct 10, 2019
(Electronic) Receipt
Oct 10, 2019
(Electronic) Receipt
Oct 10, 2019
(Electronic) Receipt
Oct 10, 2019
Amended claims with annotations
Oct 10, 2019
Amended claims with annotations
Oct 10, 2019
Amended claims with annotations
Oct 10, 2019
Amended claims with annotations
Oct 10, 2019
Amended claims with annotations
Oct 10, 2019
Amended claims with annotations
Oct 10, 2019
Amended claims with annotations
Oct 10, 2019
Amended claims with annotations
Oct 10, 2019
Citation in opposition procedure - 039
Oct 10, 2019
Citation in opposition procedure - 040
Oct 10, 2019
Citation in opposition procedure - 041
Oct 10, 2019
Citation in opposition procedure - 042
Oct 10, 2019
Citation in opposition procedure - 043
Oct 10, 2019
Claims
Oct 10, 2019
Claims
Oct 10, 2019
Claims
Oct 10, 2019
Claims
Oct 10, 2019
Claims
Oct 10, 2019
Claims
Oct 10, 2019
Claims
Oct 10, 2019
Claims
Oct 10, 2019
Letter accompanying subsequently filed items
Oct 10, 2019
Letter accompanying subsequently filed items
Oct 10, 2019
Letter accompanying subsequently filed items
Oct 10, 2019
Request for interpreters during oral proceedings
Oct 10, 2019
Request for interpreters during oral proceedings
Oct 10, 2019
Written submission in preparation to/during oral proceedings
Oct 10, 2019
Written submission in preparation to/during oral proceedings
Oct 10, 2019
Written submission in preparation to/during oral proceedings
Oct 10, 2019
Written submission in preparation to/during oral proceedings
Oct 4, 2019
Withdrawal of a request for oral proceedings
Sep 24, 2019
Advice of delivery
Sep 24, 2019
Advice of delivery
Sep 24, 2019
Advice of delivery
Sep 24, 2019
Advice of delivery
Sep 23, 2019
Advice of delivery
Sep 23, 2019
Advice of delivery
Sep 23, 2019
Advice of delivery
Sep 23, 2019
Advice of delivery
Sep 20, 2019
Advice of delivery
Sep 19, 2019
Advice of delivery
Sep 17, 2019
Notification concerning the date of oral proceedings
Sep 16, 2019
Acknowledgement of a document
Sep 16, 2019
Acknowledgement of a document
Sep 16, 2019
Acknowledgement of a document
Sep 16, 2019
Acknowledgement of a document
Sep 16, 2019
Acknowledgement of a document
Sep 16, 2019
Information concerning oral proceedings
Sep 16, 2019
Notification concerning the date of oral proceedings
Sep 16, 2019
Notification concerning the date of oral proceedings
Sep 16, 2019
Notification concerning the date of oral proceedings
Sep 16, 2019
Notification concerning the date of oral proceedings
Sep 16, 2019
Summons to attend oral proceedings
Sep 16, 2019
Summons to attend oral proceedings
Sep 16, 2019
Summons to attend oral proceedings
Sep 16, 2019
Summons to attend oral proceedings
Sep 16, 2019
Summons to attend oral proceedings
Sep 13, 2019
Notification concerning the date of oral proceedings
Sep 13, 2019
Notification concerning the date of oral proceedings
Sep 13, 2019
Notification concerning the date of oral proceedings
Sep 13, 2019
Notification concerning the date of oral proceedings
Sep 13, 2019
Notification concerning the date of oral proceedings
Aug 8, 2019
Brief communication - Opposition proceedings
Aug 8, 2019
Brief communication - Opposition proceedings
Aug 8, 2019
Brief communication - Opposition proceedings
Aug 8, 2019
Brief communication - Opposition proceedings
Aug 7, 2019
Brief communication - Opposition proceedings
Aug 7, 2019
Brief communication - Opposition proceedings
Aug 7, 2019
Brief communication - Opposition proceedings
Aug 7, 2019
Brief communication - Opposition proceedings
Aug 5, 2019
(Electronic) Receipt
Aug 5, 2019
Any annexes (other than citation) to an opposition letter
Aug 5, 2019
Letter accompanying subsequently filed items
Aug 5, 2019
Oral proceedings: Request for postponement
Aug 2, 2019
(Electronic) Receipt
Aug 2, 2019
Any annexes (other than citation) to an opposition letter
Aug 2, 2019
Letter accompanying subsequently filed items
Aug 2, 2019
Oral proceedings: Request for postponement
Jul 23, 2019
Advice of delivery
Jul 23, 2019
Advice of delivery
Jul 23, 2019
Advice of delivery
Jul 23, 2019
Advice of delivery
Jul 22, 2019
Advice of delivery
Jul 22, 2019
Advice of delivery
Jul 22, 2019
Advice of delivery
Jul 22, 2019
Advice of delivery
Jul 19, 2019
Advice of delivery
Jul 18, 2019
Advice of delivery
Jul 17, 2019
Acknowledgement of a document
Jul 17, 2019
Acknowledgement of a document
Jul 17, 2019
Acknowledgement of a document
Jul 17, 2019
Acknowledgement of a document
Jul 17, 2019
Acknowledgement of a document
Jul 17, 2019
Annex to the communication - opposition
Jul 17, 2019
Information concerning oral proceedings
Jul 17, 2019
Scanned annex to a communication - opposition procedure
Jul 17, 2019
Summons to attend oral proceedings
Jul 17, 2019
Summons to attend oral proceedings
Jul 17, 2019
Summons to attend oral proceedings
Jul 17, 2019
Summons to attend oral proceedings
Jul 17, 2019
Summons to attend oral proceedings
Mar 28, 2019
Brief communication - Opposition proceedings
Mar 28, 2019
Brief communication - Opposition proceedings
Mar 28, 2019
Brief communication - Opposition proceedings
Mar 28, 2019
Brief communication - Opposition proceedings
Mar 25, 2019
(Electronic) Receipt
Mar 25, 2019
Any annexes (other than citation) to an opposition letter
Mar 25, 2019
Citation in opposition procedure - 036
Mar 25, 2019
Citation in opposition procedure - 037
Mar 25, 2019
Citation in opposition procedure - 038
Mar 25, 2019
Letter accompanying subsequently filed items
Mar 25, 2019
Reply of the patent proprietor to the notice(s) of opposition
Mar 1, 2019
Brief communication - Opposition proceedings
Mar 1, 2019
Brief communication - Opposition proceedings
Mar 1, 2019
Brief communication - Opposition proceedings
Mar 1, 2019
Brief communication - Opposition proceedings
Mar 1, 2019
Rejection of request for extension of time limit
Feb 25, 2019
(Electronic) Receipt
Feb 25, 2019
Letter accompanying subsequently filed items
Feb 25, 2019
Request for extension of time limit
Nov 16, 2018
Brief communication - Opposition proceedings
Nov 16, 2018
Brief communication - Opposition proceedings
Nov 16, 2018
Brief communication - Opposition proceedings
Nov 16, 2018
Brief communication - Opposition proceedings
Nov 13, 2018
Communication of a notice of opposition and request to file observations
Nov 13, 2018
Notice of further oppositions to opponent(s)
Nov 13, 2018
Notice of further oppositions to opponent(s)
Nov 13, 2018
Notice of further oppositions to opponent(s)
Nov 13, 2018
Notice of further oppositions to opponent(s)
Nov 12, 2018
(Electronic) Receipt
Nov 12, 2018
Letter accompanying subsequently filed items
Nov 12, 2018
Letter regarding the opposition procedure (no time limit)
Oct 30, 2018
Communication of a notice of opposition - first information to patent proprietor
Oct 30, 2018
Communication of a notice of opposition - first information to patent proprietor
Oct 30, 2018
Communication of a notice of opposition - first information to patent proprietor
Oct 24, 2018
(Electronic) Receipt
Oct 24, 2018
(Electronic) Receipt
Oct 24, 2018
(Electronic) Receipt
Oct 24, 2018
(Electronic) Receipt
Oct 24, 2018
Any annexes (other than citation) to an opposition letter
Oct 24, 2018
Citation in opposition procedure
Oct 24, 2018
Citation in opposition procedure - 001
Oct 24, 2018
Citation in opposition procedure - 002
Oct 24, 2018
Citation in opposition procedure - 002
Oct 24, 2018
Citation in opposition procedure - 002
Oct 24, 2018
Citation in opposition procedure - 003
Oct 24, 2018
Citation in opposition procedure - 004
Oct 24, 2018
Citation in opposition procedure - 005
Oct 24, 2018
Citation in opposition procedure - 006
Oct 24, 2018
Citation in opposition procedure - 006
Oct 24, 2018
Citation in opposition procedure - 007
Oct 24, 2018
Citation in opposition procedure - 008
Oct 24, 2018
Citation in opposition procedure - 008
Oct 24, 2018
Citation in opposition procedure - 009
Oct 24, 2018
Citation in opposition procedure - 010
Oct 24, 2018
Citation in opposition procedure - 011
Oct 24, 2018
Citation in opposition procedure - 011
Oct 24, 2018
Citation in opposition procedure - 011
Oct 24, 2018
Citation in opposition procedure - 012
Oct 24, 2018
Citation in opposition procedure - 013
Oct 24, 2018
Citation in opposition procedure - 014
Oct 24, 2018
Citation in opposition procedure - 015
Oct 24, 2018
Citation in opposition procedure - 016
Oct 24, 2018
Citation in opposition procedure - 017
Oct 24, 2018
Citation in opposition procedure - 018
Oct 24, 2018
Citation in opposition procedure - 019
Oct 24, 2018
Citation in opposition procedure - 020
Oct 24, 2018
Citation in opposition procedure - 021
Oct 24, 2018
Citation in opposition procedure - 022
Oct 24, 2018
Citation in opposition procedure - 023
Oct 24, 2018
Citation in opposition procedure - 024
Oct 24, 2018
Citation in opposition procedure - 025
Oct 24, 2018
Citation in opposition procedure - 026
Oct 24, 2018
Citation in opposition procedure - 027
Oct 24, 2018
Citation in opposition procedure - 028
Oct 24, 2018
Citation in opposition procedure - 029
Oct 24, 2018
Citation in opposition procedure - 030
Oct 24, 2018
Citation in opposition procedure - 031
Oct 24, 2018
Citation in opposition procedure - 032
Oct 24, 2018
Citation in opposition procedure - 033
Oct 24, 2018
Citation in opposition procedure - 034
Oct 24, 2018
Citation in opposition procedure - 035
Oct 24, 2018
Citation in opposition procedure - 044
Oct 24, 2018
Non-patent literature cited during the opposition procedure
Oct 24, 2018
Non-patent literature cited during the opposition procedure
Oct 24, 2018
Notice of opposition
Oct 24, 2018
Notice of opposition
Oct 24, 2018
Notice of opposition
Oct 24, 2018
Notice of opposition
Oct 24, 2018
Notice of opposition
Oct 24, 2018
Notice of opposition
Oct 24, 2018
Notice of opposition
Oct 24, 2018
Notice of opposition
Oct 24, 2018
Patent document cited during the opposition procedure
Oct 24, 2018
Patent document cited during the opposition procedure
Oct 24, 2018
Patent document cited during the opposition procedure
Oct 24, 2018
Patent document cited during the opposition procedure
Oct 24, 2018
Patent document cited during the opposition procedure
Oct 24, 2018
Patent document cited during the opposition procedure
Oct 24, 2018
Patent document cited during the opposition procedure
Oct 24, 2018
Patent document cited during the opposition procedure
Oct 24, 2018
Patent document cited during the opposition procedure
Oct 24, 2018
Patent document cited during the opposition procedure
Oct 24, 2018
Patent document cited during the opposition procedure
Feb 2, 2018
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Jan 5, 2018
Decision to grant a European patent
Dec 12, 2017
(Electronic) Receipt
Dec 12, 2017
Filing of the translations of the claims
Dec 12, 2017
French translation of claims
Dec 12, 2017
German translation of the claims
Dec 12, 2017
Letter accompanying subsequently filed items
Nov 29, 2017
Communication of the registration of a transfer or change of name and/or address
Nov 27, 2017
Brief communication to applicant/representative (Legal Division)
Nov 20, 2017
Bibliographic data of the European patent application
Nov 16, 2017
Submission concerning change of applicant's address
Sep 6, 2017
Bibliographic data of the European patent application
Sep 6, 2017
Communication about intention to grant a European patent
Sep 6, 2017
Intention to grant (signatures)
Sep 6, 2017
Text intended for grant (clean copy)
Sep 6, 2017
Text intended for grant (version for approval)
Aug 2, 2017
(Electronic) Receipt
Aug 2, 2017
Amended claims with annotations
Aug 2, 2017
Claims
Aug 2, 2017
Description
Aug 2, 2017
Letter accompanying subsequently filed items
Aug 2, 2017
Reply to communication from the Examining Division
Aug 2, 2017
Translation of priority document
Jun 22, 2017
Grant of extension of time limit (examination procedure)
Jun 12, 2017
Request for extension of time limit to communication from the Examining Division
Feb 14, 2017
Annex to the communication
Feb 14, 2017
Communication from the Examining Division
Feb 5, 2017
Processing of request for correction of text proposed for grant or third party observations (from 01-04-2012)
Feb 2, 2017
Acknowledgement of receipt of third party observations
Feb 2, 2017
Transmittal of third party observations to applicant
Jan 27, 2017
(Electronic) Receipt
Jan 27, 2017
Letter accompanying subsequently filed items
Jan 27, 2017
Non-patent literature filed by a third party
Jan 27, 2017
Non-patent literature filed by a third party
Jan 27, 2017
Non-patent literature filed by a third party
Jan 27, 2017
Observations by third parties
Jan 27, 2017
Patent document filed by a Third party
Jan 27, 2017
Patent document filed by a Third party
Jan 5, 2017
Bibliographic data of the European patent application
Jan 5, 2017
Communication about intention to grant a European patent
Jan 5, 2017
Intention to grant (signatures)
Jan 5, 2017
Text intended for grant (clean copy)
Jan 5, 2017
Text intended for grant (version for approval)
Nov 9, 2015
Amended claims filed after receipt of (European) search report
Nov 9, 2015
Amendments received before examination
Nov 9, 2015
Annex
May 11, 2015
Invitation to declare maintenance of the application and to correct deficiencies in the Written Opinion/amend application
Apr 22, 2015
Communication regarding the transmission of the European search report
Apr 22, 2015
European search opinion
Apr 22, 2015
Supplementary European search report
Apr 1, 2015
Search started
Sep 26, 2014
Submission concerning representation
Mar 6, 2013
CDS Clean up - amended data concerning the representative of the applicant (Association)
Jan 9, 2013
Notification of forthcoming publication
Nov 7, 2012
Communication regarding possible amendment of the application/payment of claims fee
Nov 6, 2012
Translation of the international preliminary report on patentability
Nov 5, 2012
Communication to designated inventor
Nov 5, 2012
Communication to designated inventor
Nov 5, 2012
Communication to designated inventor
Oct 15, 2012
Copy of the international preliminary report on patentability
Sep 13, 2012
(Electronic) Receipt
Sep 13, 2012
Abstract
Sep 13, 2012
Amended claims filed after receipt of (European) search report
Sep 13, 2012
Claims
Sep 13, 2012
Description
Sep 13, 2012
Drawings
Sep 13, 2012
Request for entry into the European phase
Aug 10, 2012
Information on entry into European phase
Oct 26, 2011
Priority document (electronically transmitted)
Oct 6, 2011
Copy of the international search report
Oct 6, 2011
Copy of the translated international search report
Oct 6, 2011
International publication pamphlet

EP2554168

ASTELLAS PHARMA

Application Number: EP11762748A
Filing Date: Mar 28, 2011
Status: Revoked; Jul 10, 2020
Publication Date: Jan 24, 2018
External Links: Slate, Register , Google Patents

IP Verse

Controlled Release Pharmaceutical Composition

Patent Summary

Patent Family

Patent Oppositions (4)

Dossier Documents

EP2554168