Process For Preparing A Crystalline L-Mgda Tri-Alkali Metal Salt

Patent No. EP2705022 (titled "Process For Preparing A Crystalline L-Mgda Tri-Alkali Metal Salt") was filed by Basf on Apr 25, 2012. The application was issued on Apr 28, 2021.

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
AKZO NOBEL	Sep 5, 2018	INGRASSIA
AKZO NOBEL	Sep 5, 2018	LKGLOBAL UK

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 1, 2021
Decision to maintain the European patent in amended form
Apr 1, 2021
Decision to maintain the European patent in amended form
Mar 26, 2021
Termination of the opposition proceedings with maintenance of patent
Mar 24, 2021
Refund of fees
Mar 15, 2021
(Electronic) Receipt
Mar 15, 2021
Amended description with annotations
Mar 15, 2021
Clean copy of description pages in the opposition procedure
Mar 15, 2021
Letter accompanying subsequently filed items
Mar 15, 2021
Reply to an examination report in opposition proceedings
Mar 8, 2021
Communication concerning surcharge and failure to observe time limit
Oct 29, 2020
(Electronic) Receipt
Oct 29, 2020
English translation of the claims
Oct 29, 2020
Filing of the translation of the amended claims
Oct 29, 2020
French translation of claims
Oct 20, 2020
Communication with request to file translations
Oct 15, 2020
Maintenance of the patent with the documents specified in the final decision
Jul 2, 2020
Maintenance of the patent with the documents specified in the final decision
Apr 6, 2020
Advice of delivery
Apr 3, 2020
Communication about missing advice of delivery
Mar 25, 2020
Advice of delivery
Mar 20, 2020
Advice of delivery
Mar 17, 2020
Acknowledgement of a document
Mar 17, 2020
Acknowledgement of a document
Mar 17, 2020
Annex to the communication - opposition
Mar 17, 2020
Decision of the Opposition Division and instruction
Mar 17, 2020
Grounds for the decision (Annex) - opposition
Mar 17, 2020
Interlocutory decision in opposition proceedings
Mar 17, 2020
Internal form - Opposition/addressees
Mar 17, 2020
Internal form - Opposition/addressees
Mar 17, 2020
Means of redress
Mar 17, 2020
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Mar 17, 2020
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Mar 17, 2020
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Mar 17, 2020
OPPODREX with handwritten amendments
Mar 17, 2020
Provision of a copy of the minutes - opposition procedure
Mar 17, 2020
Scanned annex to a communication - opposition procedure
Feb 5, 2020
Information about the result of oral proceedings
Dec 11, 2019
Brief communication - Opposition proceedings
Dec 11, 2019
Brief communication - Opposition proceedings
Dec 5, 2019
(Electronic) Receipt
Dec 5, 2019
(Electronic) Receipt
Dec 5, 2019
Amended description with annotations
Dec 5, 2019
Description
Dec 5, 2019
Letter accompanying subsequently filed items
Dec 5, 2019
Letter accompanying subsequently filed items
Dec 5, 2019
Patent document cited during the opposition procedure
Dec 5, 2019
Written submission in preparation to/during oral proceedings
Dec 5, 2019
Written submission in preparation to/during oral proceedings
Sep 19, 2019
Communication of amended entries
Sep 6, 2019
Request concerning representative opponent
Sep 4, 2019
Communication of amended entries
Sep 4, 2019
Communication of amended entries
Aug 8, 2019
Letter accompanying subsequently filed items
Aug 8, 2019
Miscellaneous requests concerning client data
Jul 26, 2019
Brief communication - Opposition proceedings
Jul 23, 2019
(Electronic) Receipt
Jul 23, 2019
Letter accompanying subsequently filed items
Jul 23, 2019
Request for interpreters during oral proceedings
Jul 12, 2019
Annexes in respect of a client data request
Jul 12, 2019
Annexes in respect of a client data request
Jul 12, 2019
Letter accompanying subsequently filed items
Jul 12, 2019
Request for change of name -opponent
Jun 24, 2019
Advice of delivery
Jun 21, 2019
Advice of delivery
Jun 13, 2019
Advice of delivery
Jun 13, 2019
Advice of delivery
Jun 7, 2019
Acknowledgement of a document
Jun 7, 2019
Acknowledgement of a document
Jun 7, 2019
Annex to the communication - opposition
Jun 7, 2019
Information concerning oral proceedings
Jun 7, 2019
Summons to attend oral proceedings
Jun 7, 2019
Summons to attend oral proceedings
Jan 29, 2019
Brief communication - Opposition proceedings
Jan 24, 2019
(Electronic) Receipt
Jan 24, 2019
Amended claims with annotations
Jan 24, 2019
Claims
Jan 24, 2019
Letter accompanying subsequently filed items
Jan 24, 2019
Reply of the patent proprietor to the notice(s) of opposition
Sep 20, 2018
Communication of a notice of opposition and request to file observations
Sep 20, 2018
Notice of further oppositions to opponent(s)
Sep 14, 2018
Communication of a notice of opposition - first information to patent proprietor
Sep 5, 2018
(Electronic) Receipt
Sep 5, 2018
Non-patent literature cited during the opposition procedure
Sep 5, 2018
Non-patent literature cited during the opposition procedure
Sep 5, 2018
Non-patent literature cited during the opposition procedure
Sep 5, 2018
Notice of opposition
Sep 5, 2018
Notice of opposition
Sep 5, 2018
Patent document cited during the opposition procedure
Sep 5, 2018
Patent document cited during the opposition procedure
Sep 5, 2018
Patent document cited during the opposition procedure
Sep 5, 2018
Patent document cited during the opposition procedure
Dec 14, 2017
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Nov 9, 2017
Decision to grant a European patent
Oct 19, 2017
(Electronic) Receipt
Oct 19, 2017
English translation of the claims
Oct 19, 2017
Filing of the translations of the claims
Oct 19, 2017
French translation of claims
Jul 18, 2017
Bibliographic data of the European patent application
Jul 18, 2017
Communication about intention to grant a European patent
Jul 18, 2017
Intention to grant (signatures)
Jul 18, 2017
Text intended for grant (clean copy)
Jul 18, 2017
Text intended for grant (version for approval)
Feb 15, 2017
CDS Clean up - amended data concerning the representative of the applicant (Association)
Feb 15, 2017
Submission concerning representation
Nov 17, 2016
(Electronic) Receipt
Nov 17, 2016
Amended claims with annotations
Nov 17, 2016
Amended description with annotations
Nov 17, 2016
Claims
Nov 17, 2016
Description
Nov 17, 2016
Letter accompanying subsequently filed items
Nov 17, 2016
Non-patent literature cited during the examination procedure
Nov 17, 2016
Reply to communication from the Examining Division
Sep 29, 2016
Annex to the communication
Sep 29, 2016
Communication from the Examining Division
Mar 16, 2016
Communication of amended entries concerning the representative
Mar 10, 2016
Submission concerning change of applicant's representative
Mar 3, 2016
CDS Clean up - amended applicant details
Mar 3, 2016
Submission concerning change of applicant's address
Jan 19, 2016
(Electronic) Receipt
Jan 19, 2016
Letter accompanying subsequently filed items
Jan 19, 2016
Reply to communication from the Examining Division
Nov 30, 2015
Annex to the communication
Nov 30, 2015
Communication from the Examining Division
Nov 23, 2015
Examination started
Sep 2, 2015
Communication confirming withdrawal from representation
Sep 2, 2015
Notification of termination of representative's authorisation
Aug 21, 2015
Submission concerning change of applicant's representative
Aug 19, 2015
Submission concerning change of applicant's representative
Oct 13, 2014
Copy of the international preliminary examination report
Jun 23, 2014
(Electronic) Receipt
Jun 23, 2014
Letter accompanying subsequently filed items
Jun 23, 2014
Reply to Written Opinion prepared by the EPO
May 16, 2014
Submission concerning representation
Feb 12, 2014
Notification on forthcoming publication of bibliographic data
Jan 30, 2014
CDS Clean up - amended data concerning the representative of the applicant (Association)
Jan 30, 2014
Submission concerning representation
Dec 13, 2013
Communication concerning correction of deficiencies in written opinion/amendment of application/payment of claims fee
Dec 11, 2013
Communication to designated inventor
Dec 11, 2013
Communication to designated inventor
Dec 11, 2013
Communication to designated inventor
Dec 11, 2013
Communication to designated inventor
Nov 3, 2013
Annexes to the international preliminary examination report
Nov 3, 2013
Copy of the international preliminary examination report
Nov 3, 2013
Copy of the international preliminary examination report
Oct 29, 2013
(Electronic) Receipt
Oct 29, 2013
Request for entry into the European phase
Sep 13, 2013
Information on entry into European phase
Jul 11, 2013
Annex to International preliminary examination report
Jul 11, 2013
International preliminary examination report
Jul 11, 2013
International preliminary examination report
Jul 11, 2013
International preliminary examination report - free text sheet
Jul 11, 2013
International preliminary examination report - free text sheet
Jul 11, 2013
International preliminary examination report - points I-VIII
Jul 11, 2013
International preliminary examination report - points I-VIII
Jul 11, 2013
Notification of documents sent to WIPO
Jul 11, 2013
Transmittal of International Preliminary Examination Report
May 28, 2013
Non-patent literature cited during the examination procedure
May 28, 2013
PCT(IPEA): Amended sheet - claims
May 28, 2013
Reply to communication PCT/IPEA/408
May 27, 2013
Non-patent literature cited during the examination procedure
May 27, 2013
PCT(IPEA): Amended sheet - claims
May 27, 2013
Reply to communication PCT/IPEA/408
Mar 28, 2013
Written opinion
Mar 28, 2013
Written opinion - free text sheet
Mar 28, 2013
Written opinion - points I-VIII
Feb 26, 2013
Notification of election of EPO
Feb 13, 2013
Amendments of documents (Article 19 PCT)
Jan 21, 2013
Notification of documents sent to WIPO
Jan 21, 2013
Notification of receipt of demand
Jan 16, 2013
PCT demand form
Jan 16, 2013
PCT(IPEA): Amended sheet - claims
Jan 16, 2013
PCT(IPEA): Amended sheet - claims
Jan 15, 2013
Document concerning fees and payments
Jan 15, 2013
PCT demand form
Jan 15, 2013
PCT(IPEA): Amended sheet - claims
Jan 15, 2013
PCT(IPEA): Amended sheet - claims
Jan 15, 2013
Payment of fees and costs
Jan 10, 2013
Copy of the international search report
Jan 10, 2013
Copy of the international search report
Jan 10, 2013
Published international application - A9
Nov 27, 2012
Priority document (electronically transmitted)
Nov 8, 2012
Copy of the international search report
Nov 8, 2012
Copy of the international search report
Nov 8, 2012
Published international application - A1
Aug 27, 2012
Written opinion of the ISA, boxes No. I to VIII
Aug 27, 2012
Written opinion of the ISA, cover sheet
Aug 27, 2012
Written opinion of the ISA, supplemental box
Aug 7, 2012
Notification of the recording of a change
Aug 7, 2012
Notification of the recording of a change
Apr 25, 2012
(Electronic) Receipt
Apr 25, 2012
Abstract
Apr 25, 2012
Claims
Apr 25, 2012
Description
Apr 25, 2012
Drawings
Apr 25, 2012
Priority document (RO-procedure)

EP2705022

BASF

Application Number: EP12716431A
Filing Date: Apr 25, 2012
Status: Patent Maintained As Amended; Mar 26, 2021
Publication Date: Apr 28, 2021
External Links: Slate, Register , Google Patents

IP Verse

Process For Preparing A Crystalline L-Mgda Tri-Alkali Metal Salt

Patent Summary

Patent Family

Patent Oppositions (2)

Dossier Documents

EP2705022