An Improved Process For The Preparation Of Temozolomide And Analogs

Patent No. EP2066672 (titled "An Improved Process For The Preparation Of Temozolomide And Analogs") was filed by Cipla on Sep 28, 2007. The application was issued on Jun 24, 2015.

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
AECHTER	Mar 22, 2016	TER MEER UND PARTNER

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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Nov 20, 2017
Communication to the parties concerning termination of the opposition proceedings - opposition rejected - no appeal lodged
Nov 20, 2017
Communication to the parties concerning the termination of the opposition proceedings (opponent)
Nov 15, 2017
Termination of the opposition proceedings with maintenance of patent
Aug 11, 2017
Advice of delivery
Aug 11, 2017
Advice of delivery
Aug 8, 2017
Advice of delivery
Aug 3, 2017
Acknowledgement of a document
Aug 3, 2017
Acknowledgement of a document
Aug 3, 2017
Annex to the communication - opposition
Aug 3, 2017
Decision of the Opposition Division and instruction
Aug 3, 2017
Decision rejecting the opposition
Aug 3, 2017
Grounds for the decision (Annex) - opposition
Aug 3, 2017
Internal form - Opposition/addressees
Aug 3, 2017
Internal form - Opposition/addressees
Aug 3, 2017
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Aug 3, 2017
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Aug 3, 2017
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Aug 3, 2017
Provision of a copy of the minutes - opposition procedure
Jul 17, 2017
Brief communication - Opposition proceedings
Jul 14, 2017
Information about the result of oral proceedings
Jul 12, 2017
(Electronic) Receipt
Jul 12, 2017
Cover sheet for fax transmission
Jul 12, 2017
Written submission in preparation to/during oral proceedings
May 19, 2017
Brief communication - Opposition proceedings
May 16, 2017
Brief communication - Opposition proceedings
May 11, 2017
(Electronic) Receipt
May 11, 2017
(Electronic) Receipt
May 11, 2017
Letter accompanying subsequently filed items
May 11, 2017
Letter accompanying subsequently filed items
May 11, 2017
Request for interpreters during oral proceedings
May 11, 2017
Request for interpreters during oral proceedings
May 11, 2017
Written submission in preparation to/during oral proceedings
Jan 5, 2017
Advice of delivery
Dec 27, 2016
Advice of delivery
Dec 21, 2016
Acknowledgement of a document
Dec 21, 2016
Acknowledgement of a document
Dec 21, 2016
Annex to the communication - opposition
Dec 21, 2016
Information concerning oral proceedings
Dec 21, 2016
Preparation for oral proceedings
Dec 21, 2016
Summons to attend oral proceedings
Dec 21, 2016
Summons to attend oral proceedings
Nov 16, 2016
Brief communication - Opposition proceedings
Nov 8, 2016
(Electronic) Receipt
Nov 8, 2016
Citation in opposition procedure
Nov 8, 2016
Citation in opposition procedure
Nov 8, 2016
Citation in opposition procedure
Nov 8, 2016
Citation in opposition procedure
Nov 8, 2016
Letter regarding the opposition procedure (no time limit)
Nov 8, 2016
Reply of the patent proprietor to the notice(s) of opposition
Jun 27, 2016
Brief communication - Opposition proceedings
Jun 27, 2016
Grant of extension of time limit (opposition procedure)
Jun 21, 2016
(Electronic) Receipt
Jun 21, 2016
Request for extension of time limit
Apr 28, 2016
Communication of a notice of opposition and request to file observations
Apr 28, 2016
Notice of further oppositions to opponent(s)
Apr 1, 2016
Communication of a notice of opposition - first information to patent proprietor
Mar 22, 2016
(Electronic) Receipt
Mar 22, 2016
Non-patent literature cited during the opposition procedure
Mar 22, 2016
Non-patent literature cited during the opposition procedure
Mar 22, 2016
Non-patent literature cited during the opposition procedure
Mar 22, 2016
Non-patent literature cited during the opposition procedure
Mar 22, 2016
Non-patent literature cited during the opposition procedure
Mar 22, 2016
Notice of opposition
Mar 22, 2016
Notice of opposition
Mar 22, 2016
Patent document cited during the opposition procedure
Mar 22, 2016
Patent document cited during the opposition procedure
Mar 22, 2016
Patent document cited during the opposition procedure
Mar 22, 2016
Patent document cited during the opposition procedure
Mar 22, 2016
Patent document cited during the opposition procedure
Mar 22, 2016
Patent document cited during the opposition procedure
Jun 24, 2015
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
May 29, 2015
Decision to grant a European patent
May 12, 2015
(Electronic) Receipt
May 12, 2015
Filing of the translations of the claims
May 12, 2015
French translation of claims
May 12, 2015
German translation of the claims
May 12, 2015
Letter accompanying subsequently filed items
Feb 5, 2015
Bibliographic data of the European patent application
Feb 5, 2015
Communication about intention to grant a European patent
Feb 5, 2015
Intention to grant (signatures)
Feb 5, 2015
Text intended for grant (clean copy)
Feb 5, 2015
Text intended for grant (version for approval)
Jul 31, 2014
Communication of the registration of a transfer or change of name and/or address
Jul 23, 2014
Submission concerning change of applicant's address
Jul 7, 2014
Submission concerning representation
May 30, 2014
(Electronic) Receipt
May 30, 2014
Amended claims with annotations
May 30, 2014
Amended description with annotations
May 30, 2014
Claims
May 30, 2014
Description
May 30, 2014
Letter accompanying subsequently filed items
May 30, 2014
Reply to communication from the Examining Division
Jan 23, 2014
Annex to the communication
Jan 23, 2014
Communication from the Examining Division
Jan 21, 2011
Amended claims with annotations
Jan 21, 2011
Amended description with annotations
Jan 21, 2011
Claims
Jan 21, 2011
Description
Jan 21, 2011
Reply to communication from the Examining Division
Jan 19, 2011
Claims
Jan 19, 2011
Claims
Jan 19, 2011
Description
Jan 19, 2011
Description
Jan 19, 2011
Reply to communication from the Examining Division
Sep 17, 2010
Final instructions (loss of partial rights)
Sep 9, 2010
Annex to the communication
Sep 9, 2010
Communication from the Examining Division
Jun 10, 2010
Acknowledgement of receipt of third party observations
Jun 10, 2010
Transmittal of third party observations to applicant
May 28, 2010
Non-patent literature cited during the examination procedure
May 28, 2010
Non-patent literature cited during the examination procedure
May 28, 2010
Non-patent literature cited during the examination procedure
May 28, 2010
Non-patent literature cited during the examination procedure
May 28, 2010
Non-patent literature cited during the examination procedure
May 28, 2010
Observations by third parties
May 28, 2010
Patent document cited during the examination procedure
Jun 24, 2009
Amended claims filed after receipt of (European) search report
Jun 24, 2009
Amended claims filed after receipt of (European) search report
Jun 24, 2009
Amendments received before examination
Jun 22, 2009
Amendments received before examination
Jun 17, 2009
Designation deemed to be withdrawn (loss of partial rights)
May 13, 2009
Communication regarding possible amendment of claims/payment of claims fees
May 13, 2009
Notification on forthcoming publication of bibliographic data
Apr 14, 2009
Annexes to the international preliminary examination report
Apr 14, 2009
Copy of the international preliminary examination report
Mar 31, 2009
(Electronic) Receipt
Mar 31, 2009
Request for entry into the European phase
Feb 25, 2009
Annex to International preliminary examination report
Feb 25, 2009
International preliminary examination report
Feb 25, 2009
International preliminary examination report
Feb 25, 2009
International preliminary examination report - free text sheet
Feb 25, 2009
International preliminary examination report - free text sheet
Feb 25, 2009
International preliminary examination report - points I-VIII
Feb 25, 2009
International preliminary examination report - points I-VIII
Feb 25, 2009
Notification of documents sent to WIPO
Feb 25, 2009
Transmittal of International Preliminary Examination Report
Feb 5, 2009
Information on entry into European phase
Dec 22, 2008
Free text
Nov 24, 2008
Letter regarding PCTII procedure
Nov 24, 2008
Letter regarding PCTII procedure
Nov 21, 2008
Letter regarding PCTII procedure
Oct 22, 2008
Letter regarding PCTII procedure
Oct 20, 2008
Document concerning fees and payments
Oct 20, 2008
Letter regarding PCTII procedure
Oct 20, 2008
Letter regarding PCTII procedure
Oct 8, 2008
Invitation to pay prescribed fees together with late payment fee (Rule 58bis PCT)
Oct 8, 2008
Notification of documents sent to WIPO
Sep 8, 2008
Notification of election of EPO
Sep 1, 2008
PCT(IPEA): Amended sheet - claims
Sep 1, 2008
PCT(IPEA): Amended sheet - claims
Sep 1, 2008
Reply to International Search Opinion
Aug 28, 2008
PCT(IPEA): Amended sheet - claims
Aug 28, 2008
PCT(IPEA): Amended sheet - claims
Aug 28, 2008
Reply to International Search Opinion
Aug 1, 2008
Notification of documents sent to WIPO
Aug 1, 2008
Notification of receipt of demand
Jul 30, 2008
Letter regarding PCTII procedure
Jul 30, 2008
PCT demand form
Jul 28, 2008
Letter regarding PCTII procedure
Jul 28, 2008
PCT demand form
Apr 25, 2008
Priority document (electronically transmitted)
Apr 3, 2008
Copy of the international search report
Apr 3, 2008
Published international application - A1
Oct 18, 2007
Abstract
Oct 18, 2007
Claims
Oct 18, 2007
Description

EP2066672

CIPLA

Application Number: EP07823983A
Filing Date: Sep 28, 2007
Status: Opposition Rejected; Nov 17, 2017
Publication Date: Jun 24, 2015
External Links: Slate, Register , Google Patents

IP Verse

An Improved Process For The Preparation Of Temozolomide And Analogs

Patent Summary

Patent Family

Patent Oppositions

Dossier Documents

EP2066672