Pegylated L-Asparaginase

Patent No. EP2451486 (titled "Pegylated L-Asparaginase") was filed by Alize Pharma II on Jul 6, 2010. The application was issued on Jan 18, 2023.

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
MATHYS & SQUIRE	Feb 2, 2018	TITMUS

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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Mar 7, 2023
Request for change of client data cannot be registered anymore
Mar 1, 2023
(Electronic) Receipt
Mar 1, 2023
Letter accompanying subsequently filed items
Mar 1, 2023
Submission concerning change of applicant's representative
Dec 22, 2022
Decision to maintain the European patent in amended form
Dec 22, 2022
Decision to maintain the European patent in amended form
Dec 20, 2022
Termination of the opposition proceedings with maintenance of patent
Dec 12, 2022
(Electronic) Receipt
Dec 12, 2022
Filing of the translation of the amended claims
Dec 12, 2022
French translation of claims
Dec 12, 2022
German translation of the claims
Dec 12, 2022
Letter accompanying subsequently filed items
Sep 5, 2022
Communication of bibliographic data
Sep 5, 2022
Communication to opponent concerning maintenance
Sep 5, 2022
Communication with request to file translations
Aug 30, 2022
Maintenance of the patent with the documents specified in the final decision
Jul 8, 2022
Decision of the Board of Appeal
Jul 8, 2022
Decision of the Board of Appeal
Jul 8, 2022
F3032 Notification(s) of the decision
Jul 8, 2022
F3032 Notification(s) of the decision
May 31, 2022
F3017 Oral Proceedings: Notification of cancellation/postponing
May 31, 2022
F3017 Oral Proceedings: Notification of cancellation/postponing
May 31, 2022
F3936 Acknowledgement of receipt Board of Appeal
May 30, 2022
F3014 Oral Proceedings: Order cancelling/postponing
May 19, 2022
F3345 Forwarding of submissions to parties
May 18, 2022
(Electronic) Receipt
May 18, 2022
Letter accompanying subsequently filed items
May 18, 2022
Letter dealing with oral proceedings during the appeal procedure
May 17, 2022
F3345 Forwarding of submissions to parties
May 13, 2022
(Electronic) Receipt
May 13, 2022
F3345 Forwarding of submissions to parties
May 13, 2022
Letter accompanying subsequently filed items
May 13, 2022
Letter dealing with oral proceedings during the appeal procedure
May 11, 2022
(Electronic) Receipt
May 11, 2022
Letter accompanying subsequently filed items
May 11, 2022
Request for interpreters during oral proceedings
Oct 14, 2021
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Oct 14, 2021
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Aug 13, 2021
Communication of amended entries concerning the representative
Aug 5, 2021
Letter accompanying subsequently filed items
Aug 5, 2021
Submission concerning change of applicant's representative
Jul 13, 2021
F3936 Acknowledgement of receipt Board of Appeal
Jul 12, 2021
F3011.1 Oral Proceedings: summons
Jul 12, 2021
F3011.1 Oral Proceedings: summons
Jul 7, 2021
F3010 Oral proceedings: order for summons
Aug 27, 2020
Composition of the board (T)
Jul 10, 2020
F3345 Forwarding of submissions to parties
Jul 6, 2020
(Electronic) Receipt
Jul 6, 2020
Amended claims with annotations
Jul 6, 2020
Amended claims with annotations
Jul 6, 2020
Amended claims with annotations
Jul 6, 2020
Amended claims with annotations
Jul 6, 2020
Amended claims with annotations
Jul 6, 2020
Amended claims with annotations
Jul 6, 2020
Amended claims with annotations
Jul 6, 2020
Amended claims with annotations
Jul 6, 2020
Amended claims with annotations
Jul 6, 2020
Auxiliary request during appeals procedure - 01
Jul 6, 2020
Auxiliary request during appeals procedure - 02
Jul 6, 2020
Auxiliary request during appeals procedure - 03
Jul 6, 2020
Auxiliary request during appeals procedure - 04
Jul 6, 2020
Auxiliary request during appeals procedure - 05
Jul 6, 2020
Auxiliary request during appeals procedure - 06
Jul 6, 2020
Auxiliary request during appeals procedure - 07
Jul 6, 2020
Auxiliary request during appeals procedure - 08
Jul 6, 2020
Claims
Jul 6, 2020
Letter regarding the opposition procedure (no time limit)
Jul 6, 2020
Reply to appeal
Feb 24, 2020
F3344 Setting time limit for reply/ file observations to appeal (inter partes)
Feb 18, 2020
(Electronic) Receipt
Feb 18, 2020
Citation in appeal procedure - 040
Feb 18, 2020
Citation in appeal procedure - 041
Feb 18, 2020
Citation in appeal procedure - 042
Feb 18, 2020
Citation in appeal procedure - 043
Feb 18, 2020
Letter accompanying subsequently filed items
Feb 18, 2020
Letter relating to Appeal Procedure
Feb 18, 2020
Statement of grounds of appeal
Jan 2, 2020
F3204 Communication of the file number to the parties
Dec 17, 2019
(Electronic) Receipt
Dec 17, 2019
Letter accompanying subsequently filed items
Dec 17, 2019
Notice of appeal
Oct 29, 2019
Advice of delivery
Oct 29, 2019
Advice of delivery
Oct 24, 2019
Advice of delivery
Oct 18, 2019
Acknowledgement of a document
Oct 18, 2019
Acknowledgement of a document
Oct 18, 2019
Annex to the communication - opposition
Oct 18, 2019
Decision of the Opposition Division and instruction
Oct 18, 2019
Druckexemplar in opposition procedure
Oct 18, 2019
Grounds for the decision (Annex) - opposition
Oct 18, 2019
Interlocutory decision in opposition proceedings
Oct 18, 2019
Internal form - Opposition/addressees
Oct 18, 2019
Internal form - Opposition/addressees
Oct 18, 2019
Means of redress
Oct 18, 2019
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Oct 18, 2019
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Oct 18, 2019
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Oct 18, 2019
Provision of a copy of the minutes - opposition procedure
Oct 18, 2019
Scanned annex to a communication - opposition procedure
Oct 18, 2019
Scanned annex to a communication - opposition procedure
Sep 9, 2019
Information about the result of oral proceedings
Jul 15, 2019
Brief communication - Opposition proceedings
Jul 15, 2019
Brief communication - Opposition proceedings
Jul 12, 2019
Brief communication - Opposition proceedings
Jul 12, 2019
Brief communication - Opposition proceedings
Jul 9, 2019
(Electronic) Receipt
Jul 9, 2019
(Electronic) Receipt
Jul 9, 2019
Citation in opposition procedure
Jul 9, 2019
Citation in opposition procedure
Jul 9, 2019
Citation in opposition procedure
Jul 9, 2019
Letter accompanying subsequently filed items
Jul 9, 2019
Letter accompanying subsequently filed items
Jul 9, 2019
Letter regarding the opposition procedure (no time limit)
Jul 9, 2019
Non-patent literature cited during the opposition procedure
Jul 9, 2019
Non-patent literature cited during the opposition procedure
Jul 9, 2019
Patent document cited during the opposition procedure
Jul 9, 2019
Written submission in preparation to/during oral proceedings
Jul 9, 2019
Written submission in preparation to/during oral proceedings
Jul 8, 2019
(Electronic) Receipt
Jul 8, 2019
(Electronic) Receipt
Jul 8, 2019
Letter accompanying subsequently filed items
Jul 8, 2019
Letter accompanying subsequently filed items
Jul 8, 2019
Request for interpreters during oral proceedings
Jul 8, 2019
Request for interpreters during oral proceedings
Jan 9, 2019
Advice of delivery
Jan 9, 2019
Advice of delivery
Dec 24, 2018
Advice of delivery
Dec 24, 2018
Letter accompanying subsequently filed items
Dec 20, 2018
Acknowledgement of a document
Dec 20, 2018
Acknowledgement of a document
Dec 20, 2018
Annex to the communication - opposition
Dec 20, 2018
Information concerning oral proceedings
Dec 20, 2018
Summons to attend oral proceedings
Dec 20, 2018
Summons to attend oral proceedings
Jul 11, 2018
Brief communication - Opposition proceedings
Jul 5, 2018
(Electronic) Receipt
Jul 5, 2018
Auxiliary request during Opposition procedure
Jul 5, 2018
Auxiliary request during Opposition procedure
Jul 5, 2018
Auxiliary request during Opposition procedure
Jul 5, 2018
Auxiliary request during Opposition procedure
Jul 5, 2018
Auxiliary request during Opposition procedure
Jul 5, 2018
Auxiliary request during Opposition procedure
Jul 5, 2018
Auxiliary request during Opposition procedure
Jul 5, 2018
Auxiliary request during Opposition procedure
Jul 5, 2018
Auxiliary request during Opposition procedure
Jul 5, 2018
Auxiliary request during Opposition procedure
Jul 5, 2018
Auxiliary request during Opposition procedure
Jul 5, 2018
Auxiliary request during Opposition procedure
Jul 5, 2018
Auxiliary request during Opposition procedure
Jul 5, 2018
Auxiliary request during Opposition procedure
Jul 5, 2018
Letter accompanying subsequently filed items
Jul 5, 2018
Letter regarding the opposition procedure (no time limit)
Jul 5, 2018
Non-patent literature cited during the opposition procedure
Jul 5, 2018
Non-patent literature cited during the opposition procedure
Jul 5, 2018
Non-patent literature cited during the opposition procedure
Jul 5, 2018
Non-patent literature cited during the opposition procedure
Jul 5, 2018
Reply of the patent proprietor to the notice(s) of opposition
Mar 20, 2018
Brief communication - Opposition proceedings
Mar 20, 2018
Communication confirming withdrawal from representation
Mar 20, 2018
Communication of amended entries concerning the representative
Mar 15, 2018
(Electronic) Receipt
Mar 15, 2018
Letter accompanying subsequently filed items
Mar 15, 2018
Submission concerning change of proprietor's representative
Feb 23, 2018
Communication of a notice of opposition and request to file observations
Feb 23, 2018
Notice of further oppositions to opponent(s)
Feb 8, 2018
Communication of a notice of opposition - first information to patent proprietor
Feb 2, 2018
(Electronic) Receipt
Feb 2, 2018
Citation in opposition procedure
Feb 2, 2018
Citation in opposition procedure
Feb 2, 2018
Citation in opposition procedure
Feb 2, 2018
Citation in opposition procedure
Feb 2, 2018
Citation in opposition procedure
Feb 2, 2018
Citation in opposition procedure
Feb 2, 2018
Citation in opposition procedure
Feb 2, 2018
Citation in opposition procedure
Feb 2, 2018
Citation in opposition procedure
Feb 2, 2018
Citation in opposition procedure
Feb 2, 2018
Citation in opposition procedure
Feb 2, 2018
Citation in opposition procedure
Feb 2, 2018
Letter regarding the opposition procedure (no time limit)
Feb 2, 2018
Non-patent literature cited during the opposition procedure
Feb 2, 2018
Non-patent literature cited during the opposition procedure
Feb 2, 2018
Non-patent literature cited during the opposition procedure
Feb 2, 2018
Non-patent literature cited during the opposition procedure
Feb 2, 2018
Non-patent literature cited during the opposition procedure
Feb 2, 2018
Non-patent literature cited during the opposition procedure
Feb 2, 2018
Non-patent literature cited during the opposition procedure
Feb 2, 2018
Non-patent literature cited during the opposition procedure
Feb 2, 2018
Non-patent literature cited during the opposition procedure
Feb 2, 2018
Non-patent literature cited during the opposition procedure
Feb 2, 2018
Non-patent literature cited during the opposition procedure
Feb 2, 2018
Non-patent literature cited during the opposition procedure
Feb 2, 2018
Non-patent literature cited during the opposition procedure
Feb 2, 2018
Non-patent literature cited during the opposition procedure
Feb 2, 2018
Non-patent literature cited during the opposition procedure
Feb 2, 2018
Non-patent literature cited during the opposition procedure
Feb 2, 2018
Non-patent literature cited during the opposition procedure
Feb 2, 2018
Non-patent literature cited during the opposition procedure
Feb 2, 2018
Notice of opposition
Feb 2, 2018
Notice of opposition
Feb 2, 2018
Submission concerning representation
Oct 2, 2017
Communication of the registration of a transfer or change of name and/or address
Sep 25, 2017
(Electronic) Receipt
Sep 25, 2017
Annexes in respect of a client data request
Sep 25, 2017
Letter accompanying subsequently filed items
Sep 25, 2017
Submission concerning change of applicant's name
Sep 20, 2017
Indication of deficiencies in a request for entry of a change in personal particulars and invitation to correct them
Aug 2, 2017
(Electronic) Receipt
Aug 2, 2017
Letter accompanying subsequently filed items
Aug 2, 2017
Submission concerning change of applicant's name
May 3, 2017
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Apr 6, 2017
Decision to grant a European patent
Feb 1, 2017
Annex to the communication about intention to grant a European patent
Feb 1, 2017
Bibliographic data of the European patent application
Feb 1, 2017
Information about intention to grant a patent
Feb 1, 2017
Intention to grant (signatures)
Feb 1, 2017
Text intended for grant (clean copy)
Feb 1, 2017
Text intended for grant (sequence listing)
Feb 1, 2017
Text intended for grant (version for approval)
Jan 24, 2017
Processing of request for correction of text proposed for grant or third party observations (from 01-04-2012)
Dec 13, 2016
(Electronic) Receipt
Dec 13, 2016
Claims
Dec 13, 2016
French translation of claims
Dec 13, 2016
German translation of the claims
Dec 13, 2016
Letter accompanying subsequently filed items
Dec 13, 2016
Request for correction/amendment of the text proposed for grant sent from 01.04.2012
Dec 13, 2016
Result of consultation by telephone/in person
Dec 12, 2016
(Electronic) Receipt
Dec 12, 2016
Description
Dec 12, 2016
Letter accompanying subsequently filed items
Dec 12, 2016
Request for correction/amendment of the text proposed for grant sent from 01.04.2012
Sep 2, 2016
Notice drawing attention to the payment of the renewal fee and additional fee
Aug 24, 2016
Annex to the communication about intention to grant a European patent
Aug 24, 2016
Bibliographic data of the European patent application
Aug 24, 2016
Communication about intention to grant a European patent
Aug 24, 2016
Intention to grant (signatures)
Aug 24, 2016
Text intended for grant (clean copy)
Aug 24, 2016
Text intended for grant (sequence listing)
Aug 24, 2016
Text intended for grant (version for approval)
May 26, 2016
(Electronic) Receipt
May 26, 2016
Annex
May 26, 2016
Annex
May 26, 2016
Claims
May 26, 2016
Letter accompanying subsequently filed items
May 26, 2016
Non-patent literature cited during the examination procedure
May 26, 2016
Reply to communication from the Examining Division
Jan 27, 2016
Annex to a communication
Jan 27, 2016
Annex to a communication
Jan 27, 2016
Annex to a communication
Jan 27, 2016
Annex to a communication
Jan 27, 2016
Annex to a communication
Jan 27, 2016
Annex to the communication
Jan 27, 2016
Communication from the Examining Division
Jan 13, 2016
Processing of request for correction of text proposed for grant or third party observations (from 01-04-2012)
Dec 16, 2015
(Electronic) Receipt
Dec 16, 2015
Filing of the translations of the claims
Dec 16, 2015
Letter accompanying subsequently filed items
Dec 16, 2015
Translation of the claims
Dec 16, 2015
Translation of the claims
Nov 27, 2015
Acknowledgement of receipt of third party observations
Nov 27, 2015
Transmittal of third party observations to applicant
Nov 26, 2015
CDS Clean up - amended data concerning the representative of the applicant (Association)
Nov 12, 2015
(Electronic) Receipt
Nov 12, 2015
Citation filed by a third party
Nov 12, 2015
Citation filed by a third party
Nov 12, 2015
Letter accompanying subsequently filed items
Nov 12, 2015
Non-patent literature filed by a third party
Nov 12, 2015
Non-patent literature filed by a third party
Nov 12, 2015
Observations by third parties
Nov 5, 2015
(Electronic) Receipt
Nov 5, 2015
Citation filed by a third party
Nov 5, 2015
Citation filed by a third party
Nov 5, 2015
Citation filed by a third party
Nov 5, 2015
Letter accompanying subsequently filed items
Nov 5, 2015
Non-patent literature filed by a third party
Nov 5, 2015
Non-patent literature filed by a third party
Nov 5, 2015
Observations by third parties
Sep 15, 2015
Annex to the communication about intention to grant a European patent
Sep 15, 2015
Bibliographic data of the European patent application
Sep 15, 2015
Communication about intention to grant a European patent
Sep 15, 2015
Intention to grant (signatures)
Sep 15, 2015
Text intended for grant
Aug 27, 2015
Communication of amended entries concerning the representative
Aug 24, 2015
Submission concerning change of applicant's representative
Aug 20, 2015
Submission concerning change of applicant's representative
Jul 6, 2015
Priority document
Jun 24, 2015
Acknowledgement of receipt of third party observations
Jun 24, 2015
Transmittal of third party observations to applicant
Jun 12, 2015
(Electronic) Receipt
Jun 12, 2015
Citation filed by a third party
Jun 12, 2015
Citation filed by a third party
Jun 12, 2015
Citation filed by a third party
Jun 12, 2015
Citation filed by a third party
Jun 12, 2015
Letter accompanying subsequently filed items
Jun 12, 2015
Observations by third parties
Jun 10, 2015
Communication of amended entries concerning the representative
May 18, 2015
(Electronic) Receipt
May 18, 2015
Amended claims with annotations
May 18, 2015
Annex
May 18, 2015
Annex
May 18, 2015
Annex
May 18, 2015
Claims
May 18, 2015
Letter accompanying subsequently filed items
May 18, 2015
Reply to communication from the Examining Division
May 14, 2015
(Electronic) Receipt
May 14, 2015
Letter accompanying subsequently filed items
May 14, 2015
Submission concerning representation
Mar 3, 2015
Grant of extension of time limit (examination procedure)
Feb 23, 2015
(Electronic) Receipt
Feb 23, 2015
Letter accompanying subsequently filed items
Feb 23, 2015
Request for extension of time limit to communication from the Examining Division
Nov 11, 2014
Annex to the communication
Nov 11, 2014
Communication from the Examining Division
Nov 4, 2014
Acknowledgement of receipt of third party observations
Nov 4, 2014
Transmittal of third party observations to applicant
Oct 31, 2014
Processing of request for correction of text proposed for grant or third party observations (from 01-04-2012)
Oct 29, 2014
(Electronic) Receipt
Oct 29, 2014
Letter accompanying subsequently filed items
Oct 29, 2014
Observations by third parties
Oct 21, 2014
Acknowledgement of receipt of third party observations
Oct 21, 2014
Transmittal of third party observations to applicant
Oct 16, 2014
Processing of request for correction of text proposed for grant or third party observations (from 01-04-2012)
Oct 6, 2014
(Electronic) Receipt
Oct 6, 2014
Letter accompanying subsequently filed items
Oct 6, 2014
Non-patent literature filed by a third party
Oct 6, 2014
Non-patent literature filed by a third party
Oct 6, 2014
Observations by third parties
Jul 11, 2014
Bibliographic data of the European patent application
Jul 11, 2014
Communication about intention to grant a European patent
Jul 11, 2014
Intention to grant (signatures)
Jul 11, 2014
Text intended for grant
Jul 3, 2014
Processing of request for correction of text proposed for grant or third party observations (from 01-04-2012)
Jun 3, 2014
Amended description with annotations
Jun 3, 2014
Description
Jun 3, 2014
Request for correction/amendment of the text proposed for grant sent from 01.04.2012
Jun 2, 2014
Amended description with annotations
Jun 2, 2014
Cover sheet for fax transmission
Jun 2, 2014
Description
Jun 2, 2014
Request for correction/amendment of the text proposed for grant sent from 01.04.2012
Feb 4, 2014
Bibliographic data of the European patent application
Feb 4, 2014
Communication about intention to grant a European patent
Feb 4, 2014
Intention to grant (signatures)
Feb 4, 2014
Text intended for grant
Dec 16, 2013
Amendments received before examination
Dec 16, 2013
Claims
Aug 28, 2013
Examination started
Aug 8, 2013
Communication of amended entries concerning the representative
Aug 2, 2013
Submission concerning change of applicant's representative
Jul 31, 2013
Submission concerning change of applicant's representative
Sep 28, 2012
Submission concerning representation
Sep 14, 2012
Amended claims filed after receipt of (European) search report
Sep 14, 2012
Amendments received before examination
Sep 14, 2012
Data sheet for the decision
Sep 14, 2012
Data sheet for the decision
Sep 13, 2012
Amended claims filed after receipt of (European) search report
Sep 13, 2012
Amendments received before examination
Sep 13, 2012
Cover sheet for fax transmission
Sep 13, 2012
Data sheet for the decision
Sep 13, 2012
Data sheet for the decision
Apr 18, 2012
Notification on forthcoming publication of bibliographic data
Mar 6, 2012
Communication concerning correction of deficiencies in written opinion/amendment of application/payment of claims fee
Feb 3, 2012
(Electronic) Receipt
Feb 3, 2012
Matter concerning the application
Feb 3, 2012
Request for entry into the European phase
Jan 25, 2012
Copy of the international preliminary report on patentability
Nov 18, 2011
Information on entry into European phase
Feb 3, 2011
Priority document (electronically transmitted)
Jan 13, 2011
Converted Sequence Listing
Jan 13, 2011
Copy of the international search report
Jan 13, 2011
Published international application - A1
Sep 17, 2010
Written opinion of the ISA, boxes No. I to VIII
Sep 17, 2010
Written opinion of the ISA, cover sheet
Sep 17, 2010
Written opinion of the ISA, supplemental box
Sep 16, 2010
Notification relating to declaration under Rule 4.17 PCT (copy for ISA/EP)
Jul 6, 2010
(Electronic) Receipt
Jul 6, 2010
Abstract
Jul 6, 2010
Claims
Jul 6, 2010
Description
Jul 6, 2010
Drawings

EP2451486

ALIZE PHARMA II

Application Number: EP10730170A
Filing Date: Jul 6, 2010
Status: Patent Maintained As Amended; Dec 16, 2022
Publication Date: Jan 18, 2023
External Links: Slate, Register , Google Patents

IP Verse

Pegylated L-Asparaginase

Patent Summary

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Dossier Documents

EP2451486