Crystalline Naloxol-Peg Conjugate

Patent No. EP2621496 (titled "Crystalline Naloxol-Peg Conjugate") was filed by Astrazeneca on Sep 29, 2011. The application was issued on Dec 12, 2018.

Patent Family

Statuses, jurisdictions and citation links are shared on request.

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
STADA ARZNEIMITTEL	Sep 16, 2016	KERNEBECK
ABG PATENTES	Sep 16, 2016	ABG PATENTES
GENERICS UK	Sep 16, 2016	COOKE

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

Apr 25, 2022
(Electronic) Receipt
Apr 25, 2022
Letter accompanying subsequently filed items
Apr 25, 2022
Letter concerning the inventor
Nov 15, 2018
Decision to maintain the European patent in amended form
Nov 15, 2018
Decision to maintain the European patent in amended form
Nov 15, 2018
Decision to maintain the European patent in amended form
Nov 15, 2018
Decision to maintain the European patent in amended form
Nov 9, 2018
Termination of the opposition proceedings with maintenance of patent
Oct 30, 2018
(Electronic) Receipt
Oct 30, 2018
Filing of the translation of the amended claims
Oct 30, 2018
French translation of claims
Oct 30, 2018
German translation of the claims
Oct 30, 2018
Letter accompanying subsequently filed items
Oct 15, 2018
Communication of amended entries
Jul 23, 2018
Communication of bibliographic data
Jul 23, 2018
Communication to opponent concerning maintenance
Jul 23, 2018
Communication to opponent concerning maintenance
Jul 23, 2018
Communication to opponent concerning maintenance
Jul 23, 2018
Communication with request to file translations
Jul 3, 2018
Submission concerning representation
Jul 2, 2018
Maintenance of the patent with the documents specified in the final decision
Apr 19, 2018
Advice of delivery
Apr 11, 2018
Advice of delivery
Mar 28, 2018
Advice of delivery
Mar 26, 2018
Advice of delivery
Mar 26, 2018
Advice of delivery
Mar 22, 2018
Advice of delivery
Mar 21, 2018
Advice of delivery
Mar 19, 2018
Acknowledgement of a document
Mar 19, 2018
Acknowledgement of a document
Mar 19, 2018
Acknowledgement of a document
Mar 19, 2018
Acknowledgement of a document
Mar 19, 2018
Annex to the communication - opposition
Mar 19, 2018
Decision of the Opposition Division and instruction
Mar 19, 2018
Druckexemplar in opposition procedure
Mar 19, 2018
Grounds for the decision (Annex) - opposition
Mar 19, 2018
Interlocutory decision in opposition proceedings
Mar 19, 2018
Internal form - Opposition/addressees
Mar 19, 2018
Internal form - Opposition/addressees
Mar 19, 2018
Means of redress
Mar 19, 2018
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Mar 19, 2018
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Mar 19, 2018
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Mar 19, 2018
Provision of a copy of the minutes - opposition procedure
Jan 24, 2018
Information about the result of oral proceedings
Jan 23, 2018
Brief communication - Opposition proceedings
Jan 23, 2018
Brief communication - Opposition proceedings
Jan 23, 2018
Brief communication - Opposition proceedings
Jan 18, 2018
(Electronic) Receipt
Jan 18, 2018
Letter accompanying subsequently filed items
Jan 18, 2018
Letter regarding the opposition procedure (no time limit)
Jan 18, 2018
Non-patent literature cited during the opposition procedure
Dec 20, 2017
Brief communication - Opposition proceedings
Dec 20, 2017
Brief communication - Opposition proceedings
Dec 20, 2017
Brief communication - Opposition proceedings
Dec 14, 2017
(Electronic) Receipt
Dec 14, 2017
Citation in opposition procedure
Dec 14, 2017
Letter accompanying subsequently filed items
Dec 14, 2017
Letter regarding the opposition procedure (no time limit)
Dec 4, 2017
Brief communication - Opposition proceedings
Dec 4, 2017
Brief communication - Opposition proceedings
Dec 4, 2017
Brief communication - Opposition proceedings
Nov 30, 2017
Brief communication - Opposition proceedings
Nov 30, 2017
Brief communication - Opposition proceedings
Nov 30, 2017
Brief communication - Opposition proceedings
Nov 27, 2017
Brief communication - Opposition proceedings
Nov 27, 2017
Brief communication - Opposition proceedings
Nov 27, 2017
Brief communication - Opposition proceedings
Nov 24, 2017
(Electronic) Receipt
Nov 24, 2017
(Electronic) Receipt
Nov 24, 2017
Citation in opposition procedure
Nov 24, 2017
Letter accompanying subsequently filed items
Nov 24, 2017
Letter accompanying subsequently filed items
Nov 24, 2017
Letter regarding the opposition procedure (no time limit)
Nov 24, 2017
Letter regarding the opposition procedure (no time limit)
Nov 24, 2017
Letter regarding the opposition procedure (no time limit)
Nov 21, 2017
(Electronic) Receipt
Nov 21, 2017
Letter accompanying subsequently filed items
Nov 21, 2017
Letter regarding the opposition procedure (no time limit)
Nov 17, 2017
Brief communication - Opposition proceedings
Nov 17, 2017
Brief communication - Opposition proceedings
Nov 17, 2017
Brief communication - Opposition proceedings
Nov 14, 2017
(Electronic) Receipt
Nov 14, 2017
Letter accompanying subsequently filed items
Nov 14, 2017
Letter regarding the opposition procedure (no time limit)
Oct 23, 2017
Brief communication - Opposition proceedings
Oct 20, 2017
Brief communication - Opposition proceedings
Oct 20, 2017
Brief communication - Opposition proceedings
Oct 16, 2017
(Electronic) Receipt
Oct 16, 2017
Letter accompanying subsequently filed items
Oct 16, 2017
Request for interpreters during oral proceedings
Jun 29, 2017
Advice of delivery
May 24, 2017
Advice of delivery
May 4, 2017
Advice of delivery
Apr 24, 2017
Advice of delivery
Apr 20, 2017
Advice of delivery
Apr 20, 2017
Advice of delivery
Apr 18, 2017
Advice of delivery
Apr 13, 2017
Acknowledgement of a document
Apr 13, 2017
Acknowledgement of a document
Apr 13, 2017
Acknowledgement of a document
Apr 13, 2017
Acknowledgement of a document
Apr 13, 2017
Annex to the communication - opposition
Apr 13, 2017
Information concerning oral proceedings
Apr 13, 2017
Preparation for oral proceedings
Apr 13, 2017
Summons to attend oral proceedings
Apr 13, 2017
Summons to attend oral proceedings
Apr 13, 2017
Summons to attend oral proceedings
Apr 13, 2017
Summons to attend oral proceedings
Feb 28, 2017
Brief communication - Opposition proceedings
Feb 28, 2017
Brief communication - Opposition proceedings
Feb 28, 2017
Brief communication - Opposition proceedings
Feb 23, 2017
(Electronic) Receipt
Feb 23, 2017
Amended claims with annotations
Feb 23, 2017
Amended claims with annotations
Feb 23, 2017
Amended claims with annotations
Feb 23, 2017
Citation in opposition procedure
Feb 23, 2017
Claims
Feb 23, 2017
Claims
Feb 23, 2017
Claims
Feb 23, 2017
Letter accompanying subsequently filed items
Feb 23, 2017
Reply of the patent proprietor to the notice(s) of opposition
Feb 15, 2017
Communication confirming withdrawal from representation
Feb 15, 2017
Communication of amended entries concerning the representative
Feb 8, 2017
(Electronic) Receipt
Feb 8, 2017
Letter accompanying subsequently filed items
Feb 8, 2017
Submission concerning change of applicant's representative
Oct 25, 2016
Communication of a notice of opposition and request to file observations
Oct 25, 2016
Notice of further oppositions to opponent(s)
Oct 25, 2016
Notice of further oppositions to opponent(s)
Oct 25, 2016
Notice of further oppositions to opponent(s)
Sep 28, 2016
Communication of a notice of opposition - first information to patent proprietor
Sep 19, 2016
Non-patent literature cited during the opposition procedure
Sep 19, 2016
Non-patent literature cited during the opposition procedure
Sep 19, 2016
Non-patent literature cited during the opposition procedure
Sep 19, 2016
Notice of opposition
Sep 19, 2016
Patent document cited during the opposition procedure
Sep 19, 2016
Patent document cited during the opposition procedure
Sep 19, 2016
Patent document cited during the opposition procedure
Sep 16, 2016
(Electronic) Receipt
Sep 16, 2016
(Electronic) Receipt
Sep 16, 2016
Letter regarding the opposition procedure (no time limit)
Sep 16, 2016
Non-patent literature cited during the opposition procedure
Sep 16, 2016
Non-patent literature cited during the opposition procedure
Sep 16, 2016
Non-patent literature cited during the opposition procedure
Sep 16, 2016
Non-patent literature cited during the opposition procedure
Sep 16, 2016
Non-patent literature cited during the opposition procedure
Sep 16, 2016
Non-patent literature cited during the opposition procedure
Sep 16, 2016
Non-patent literature cited during the opposition procedure
Sep 16, 2016
Non-patent literature cited during the opposition procedure
Sep 16, 2016
Non-patent literature cited during the opposition procedure
Sep 16, 2016
Non-patent literature cited during the opposition procedure
Sep 16, 2016
Notice of opposition
Sep 16, 2016
Notice of opposition
Sep 16, 2016
Notice of opposition
Sep 16, 2016
Notice of opposition
Sep 16, 2016
Notice of opposition
Sep 16, 2016
Patent document cited during the opposition procedure
Sep 16, 2016
Patent document cited during the opposition procedure
Sep 16, 2016
Patent document cited during the opposition procedure
Sep 16, 2016
Patent document cited during the opposition procedure
Sep 16, 2016
Patent document cited during the opposition procedure
Sep 16, 2016
Patent document cited during the opposition procedure
Sep 16, 2016
Payment of fees and costs
Sep 16, 2016
Payment of fees and costs
Aug 16, 2016
Non-patent literature cited during the opposition procedure
Dec 17, 2015
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Dec 2, 2015
Refund of fees
Nov 19, 2015
Decision to grant a European patent
Nov 5, 2015
Communication of amended entries concerning the representative
Oct 30, 2015
(Electronic) Receipt
Oct 30, 2015
Annex
Oct 30, 2015
Letter accompanying subsequently filed items
Oct 30, 2015
Submission concerning change of applicant's representative
Oct 27, 2015
Communication confirming withdrawal from representation
Oct 27, 2015
Communication of amended entries concerning the representative
Oct 21, 2015
(Electronic) Receipt
Oct 21, 2015
Letter accompanying subsequently filed items
Oct 21, 2015
Submission concerning change of applicant's representative
Oct 9, 2015
Brief communication to applicant/representative
Sep 28, 2015
(Electronic) Receipt
Sep 28, 2015
Authorisation
Sep 28, 2015
Authorisation
Sep 28, 2015
Filing of the translations of the claims
Sep 28, 2015
French translation of claims
Sep 28, 2015
German translation of the claims
Sep 28, 2015
Letter accompanying subsequently filed items
Jul 16, 2015
Bibliographic data of the European patent application
Jul 16, 2015
Communication about intention to grant a European patent
Jul 16, 2015
Intention to grant (signatures)
Jul 16, 2015
Text intended for grant
Jun 19, 2015
Examination started
Mar 31, 2015
Communication confirming withdrawal from representation
Mar 31, 2015
Communication of amended entries concerning the representative
Mar 19, 2015
(Electronic) Receipt
Mar 19, 2015
Letter accompanying subsequently filed items
Mar 19, 2015
Submission concerning change of applicant's representative
Mar 10, 2015
(Electronic) Receipt
Mar 10, 2015
Amended claims filed after receipt of (European) search report
Mar 10, 2015
Amended claims with annotations
Mar 10, 2015
Amended description filed after receipt of (European) search report
Mar 10, 2015
Amendments received before examination
Mar 10, 2015
Letter accompanying subsequently filed items
Sep 12, 2014
Invitation to declare maintenance of the application and to correct deficiencies in the Written Opinion/amend application
Aug 26, 2014
Communication regarding the transmission of the European search report
Aug 26, 2014
European search opinion
Aug 26, 2014
Supplementary European search report
Aug 14, 2014
Search started
Apr 24, 2014
(Electronic) Receipt
Apr 24, 2014
Letter accompanying subsequently filed items
Feb 18, 2014
Communication concerning the filing of a power of attorney
Feb 18, 2014
Communication of amended entries concerning the representative
Jan 9, 2014
(Electronic) Receipt
Jan 9, 2014
Letter accompanying subsequently filed items
Jan 9, 2014
Submission concerning change of applicant's representative
Jul 10, 2013
Notification on forthcoming publication of bibliographic data
Jul 2, 2013
Communication regarding possible amendment of the application/payment of claims fee
May 15, 2013
Communication to designated inventor
May 15, 2013
Communication to designated inventor
May 15, 2013
Communication to designated inventor
May 15, 2013
Communication to designated inventor
May 15, 2013
Communication to designated inventor
May 15, 2013
Communication to designated inventor
May 15, 2013
Communication to designated inventor
May 15, 2013
Communication to designated inventor
May 15, 2013
Communication to designated inventor
Apr 17, 2013
(Electronic) Receipt
Apr 17, 2013
Amended claims filed after receipt of (European) search report
Apr 17, 2013
General authorisation
Apr 17, 2013
Request for entry into the European phase
Apr 15, 2013
Copy of the international preliminary report on patentability
Feb 8, 2013
Information on entry into European phase
Apr 25, 2012
Priority document (electronically transmitted)
Apr 5, 2012
Copy of the international search report
Apr 5, 2012
Published international application - A1

EP2621496

ASTRAZENECA

Application Number: EP11829686A
Filing Date: Sep 29, 2011
Status: Patent Maintained As Amended; Nov 9, 2018
Publication Date: Dec 12, 2018
External Links: Slate, Register , Google Patents

IP Verse

Crystalline Naloxol-Peg Conjugate

Patent Summary

Patent Family

Patent Oppositions (3)

Dossier Documents

EP2621496