Process For Preparing High Purity And Crystalline Dimethyl Fumarate

Patent No. EP2718257 (titled "Process For Preparing High Purity And Crystalline Dimethyl Fumarate") was filed by Biogen Idec MA on Jun 8, 2012. The application was issued on Nov 15, 2017.

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
HEXAL	Aug 14, 2018	KALHAMMER

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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Apr 6, 2020
Communication to the parties concerning the termination of the opposition proceedings (opponent)
Apr 6, 2020
Communication to the parties concerning the termination of the opposition proceedings (proprietor)
Apr 1, 2020
Termination of the opposition proceedings with revocation of patent
Jan 7, 2020
Advice of delivery
Dec 27, 2019
Advice of delivery
Dec 20, 2019
Acknowledgement of a document
Dec 20, 2019
Acknowledgement of a document
Dec 20, 2019
Annex to the communication - opposition
Dec 20, 2019
Decision of the Opposition Division and instruction
Dec 20, 2019
Decision revoking the European patent
Dec 20, 2019
Grounds for the decision (Annex) - opposition
Dec 20, 2019
Internal form - Opposition/addressees
Dec 20, 2019
Internal form - Opposition/addressees
Dec 20, 2019
Means of redress
Dec 20, 2019
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Dec 20, 2019
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Dec 20, 2019
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Dec 20, 2019
Provision of a copy of the minutes - opposition procedure
Dec 6, 2019
Notification concerning the date of oral proceedings
Dec 6, 2019
Notification concerning the date of oral proceedings
Dec 3, 2019
Information about the result of oral proceedings
Nov 28, 2019
Brief communication - Opposition proceedings
Nov 27, 2019
(Electronic) Receipt
Nov 27, 2019
Description
Nov 27, 2019
Letter accompanying subsequently filed items
Nov 27, 2019
Written submission in preparation to/during oral proceedings
Oct 8, 2019
Brief communication - Opposition proceedings
Oct 8, 2019
Brief communication - Opposition proceedings
Oct 2, 2019
(Electronic) Receipt
Oct 2, 2019
Letter accompanying subsequently filed items
Oct 2, 2019
Request for interpreters during oral proceedings
Sep 26, 2019
(Electronic) Receipt
Sep 26, 2019
Letter accompanying subsequently filed items
Sep 26, 2019
Written submission in preparation to/during oral proceedings
Jun 28, 2019
Advice of delivery
May 27, 2019
Advice of delivery
Apr 23, 2019
Advice of delivery
Apr 15, 2019
Advice of delivery
Apr 11, 2019
Acknowledgement of a document
Apr 11, 2019
Acknowledgement of a document
Apr 11, 2019
Annex to the communication - opposition
Apr 11, 2019
Information concerning oral proceedings
Apr 11, 2019
Information concerning oral proceedings
Apr 11, 2019
Summons to attend oral proceedings
Apr 11, 2019
Summons to attend oral proceedings
Jan 23, 2019
Brief communication - Opposition proceedings
Jan 17, 2019
(Electronic) Receipt
Jan 17, 2019
Amended claims with annotations
Jan 17, 2019
Claims
Jan 17, 2019
Letter accompanying subsequently filed items
Jan 17, 2019
Non-patent literature cited during the opposition procedure
Jan 17, 2019
Reply of the patent proprietor to the notice(s) of opposition
Sep 7, 2018
Communication of a notice of opposition and request to file observations
Sep 7, 2018
Notice of further oppositions to opponent(s)
Aug 29, 2018
Communication of a notice of opposition - first information to patent proprietor
Aug 14, 2018
(Electronic) Receipt
Aug 14, 2018
Citation in opposition procedure
Aug 14, 2018
Citation in opposition procedure
Aug 14, 2018
Citation in opposition procedure
Aug 14, 2018
Notice of opposition
Aug 14, 2018
Notice of opposition
Nov 22, 2017
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Oct 19, 2017
Decision to grant a European patent
Oct 11, 2017
Bibliographic data of the European patent application
Oct 11, 2017
Information about intention to grant a patent
Oct 11, 2017
Intention to grant (signatures)
Oct 11, 2017
Text intended for grant (clean copy)
Oct 11, 2017
Text intended for grant (version for approval)
Oct 9, 2017
Processing of request for correction of text proposed for grant or third party observations (from 01-04-2012)
Sep 25, 2017
Communication of the registration of a transfer or change of name and/or address
Sep 14, 2017
(Electronic) Receipt
Sep 14, 2017
Description
Sep 14, 2017
French translation of claims
Sep 14, 2017
German translation of the claims
Sep 14, 2017
Letter accompanying subsequently filed items
Sep 14, 2017
Request for correction/amendment of the text proposed for grant sent from 01.04.2012
May 8, 2017
Bibliographic data of the European patent application
May 8, 2017
Communication about intention to grant a European patent
May 8, 2017
Intention to grant (signatures)
May 8, 2017
Text intended for grant (clean copy)
May 8, 2017
Text intended for grant (version for approval)
Sep 15, 2016
(Electronic) Receipt
Sep 15, 2016
Amended claims with annotations
Sep 15, 2016
Claims
Sep 15, 2016
Letter accompanying subsequently filed items
Sep 15, 2016
Reply to communication from the Examining Division
Jul 15, 2016
Grant of extension of time limit (examination procedure)
Jul 11, 2016
(Electronic) Receipt
Jul 11, 2016
Letter accompanying subsequently filed items
Jul 11, 2016
Request for extension of time limit to communication from the Examining Division
Mar 10, 2016
Annex to the communication
Mar 10, 2016
Communication from the Examining Division
Feb 8, 2016
(Electronic) Receipt
Feb 8, 2016
Amended claims filed after receipt of (European) search report
Feb 8, 2016
Amended claims with annotations
Feb 8, 2016
Amendments received before examination
Feb 8, 2016
Letter accompanying subsequently filed items
Feb 8, 2016
Non-patent literature cited during the examination procedure
Feb 8, 2016
Non-patent literature cited during the examination procedure
Feb 8, 2016
Non-patent literature cited during the examination procedure
Feb 8, 2016
Non-patent literature cited during the examination procedure
Feb 8, 2016
Non-patent literature cited during the examination procedure
Feb 8, 2016
Non-patent literature cited during the examination procedure
Jul 28, 2015
Invitation to declare maintenance of the application and to correct deficiencies in the Written Opinion/amend application
Jul 10, 2015
Communication regarding the transmission of the European search report
Jul 10, 2015
Document annexed to the Extended European Search Report
Jul 10, 2015
European search opinion
Jul 10, 2015
Supplementary European search report
Jun 9, 2015
Communication of the registration of a transfer or change of name and/or address
Apr 29, 2015
Annexes in respect of a client data request
Apr 29, 2015
Letter accompanying subsequently filed items
Apr 29, 2015
Submission concerning change of applicant's name
Apr 2, 2015
Communication to applicant regarding observations by third parties
Mar 23, 2015
Communication regarding the transmission of the European search report
Mar 23, 2015
Non-patent literature filed by a third party
Mar 23, 2015
Non-patent literature filed by a third party
Mar 23, 2015
Non-patent literature filed by a third party
Mar 23, 2015
Non-patent literature filed by a third party
Mar 23, 2015
Observations by third parties
Mar 23, 2015
Partial European search report
Feb 11, 2015
Search started
Jul 16, 2014
Refund of fees
Mar 31, 2014
(Electronic) Receipt
Mar 31, 2014
Letter accompanying subsequently filed items
Mar 31, 2014
Letter concerning fees and payments
Mar 19, 2014
Notification on forthcoming publication of bibliographic data
Mar 14, 2014
Submission concerning representation
Mar 12, 2014
Submission concerning representation
Feb 27, 2014
Letter which had not been notified
Jan 29, 2014
Communication regarding possible amendment of the application/payment of claims fee
Jan 27, 2014
Communication to designated inventor
Jan 27, 2014
Communication to designated inventor
Jan 27, 2014
Communication to designated inventor
Jan 8, 2014
(Electronic) Receipt
Jan 8, 2014
Amended claims filed after receipt of (European) search report
Jan 8, 2014
Amended claims with annotations
Jan 8, 2014
Amendments received before examination
Jan 8, 2014
Request for entry into the European phase
Jan 2, 2014
Copy of the international preliminary report on patentability
Oct 18, 2013
Information on entry into European phase
Jan 3, 2013
Priority document (electronically transmitted)
Dec 13, 2012
Copy of the international search report
Dec 13, 2012
Published international application - A1

EP2718257

BIOGEN IDEC MA

Application Number: EP12796164A
Filing Date: Jun 8, 2012
Status: Revoked; Apr 3, 2020
Publication Date: Nov 15, 2017
External Links: Slate, Register , Google Patents

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Process For Preparing High Purity And Crystalline Dimethyl Fumarate

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Dossier Documents

EP2718257