IP Verse

Process For Controlling A Gas Phase Oxidation Reactor For Preparation Of Phthalic Anhydride

Patent No. EP2558453 (titled "Process For Controlling A Gas Phase Oxidation Reactor For Preparation Of Phthalic Anhydride") was filed by Basf on Apr 6, 2011. The application was issued on Jun 22, 2016.

Patent Summary

Patent Family

Patent Oppositions (2)

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
CLARIANT PRODUKTE DEUTSCHLAND	Mar 22, 2017	HEINEMANN
EXXONMOBIL CHEMICAL PATENTS	Mar 21, 2017	UEXKULL & STOLBERG

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

Get instant alerts for new documents

Jul 22, 2020
Refund of fees
Jul 21, 2020
F3324 Closure of the appeal proceedings: withdrawal of the appeal/ application/ opposition
Jul 21, 2020
F3324 Closure of the appeal proceedings: withdrawal of the appeal/ application/ opposition
Jul 21, 2020
F3324 Closure of the appeal proceedings: withdrawal of the appeal/ application/ opposition
Jul 16, 2020
Termination of the opposition proceedings with revocation of patent
Jul 15, 2020
F3345 Forwarding of submissions to parties
Jul 15, 2020
F3345 Forwarding of submissions to parties
Jul 10, 2020
(Electronic) Receipt
Jul 10, 2020
Letter accompanying subsequently filed items
Jul 10, 2020
Withdrawal of an appeal
Jun 30, 2020
F3326 Communication with time limit (inter partes)
Jun 30, 2020
F3326 Communication with time limit (inter partes)
Jun 30, 2020
F3326 Communication with time limit (inter partes)
Jun 17, 2019
F3345 Forwarding of submissions to parties
Jun 17, 2019
F3345 Forwarding of submissions to parties
Jun 6, 2019
Reply to appeal
Jun 3, 2019
F3345 Forwarding of submissions to parties
Jun 3, 2019
F3345 Forwarding of submissions to parties
May 27, 2019
(Electronic) Receipt
May 27, 2019
Letter accompanying subsequently filed items
May 27, 2019
Reply to appeal
Apr 11, 2019
Communication of amended entries in the Register of European Patents
Apr 11, 2019
Communication of amended entries in the Register of European Patents
Apr 11, 2019
Communication of amended entries in the Register of European Patents
Apr 5, 2019
(Electronic) Receipt
Apr 5, 2019
Letter accompanying subsequently filed items
Apr 5, 2019
Letter relating to Appeal Procedure
Apr 1, 2019
F3040 Term extension: Yes/No
Apr 1, 2019
F3040 Term extension: Yes/No
Apr 1, 2019
F3040 Term extension: Yes/No
Mar 25, 2019
Request for extension of time limit
Nov 26, 2018
F3344 Setting time limit for reply/ file observations to appeal (inter partes)
Nov 26, 2018
F3344 Setting time limit for reply/ file observations to appeal (inter partes)
Nov 22, 2018
Composition of the board (T)
Nov 21, 2018
(Electronic) Receipt
Nov 21, 2018
Claims
Nov 21, 2018
Claims
Nov 21, 2018
Claims
Nov 21, 2018
Claims
Nov 21, 2018
Claims
Nov 21, 2018
Claims
Nov 21, 2018
Statement of grounds of appeal
Nov 21, 2018
Written submission in preparation to/during oral proceedings
Sep 13, 2018
F3057 Communication: Change of responsibility of a Board of Appeal
Sep 13, 2018
F3057 Communication: Change of responsibility of a Board of Appeal
Sep 13, 2018
F3057 Communication: Change of responsibility of a Board of Appeal
Sep 12, 2018
Refund of fees
Sep 7, 2018
F3204 Communication of the file number to the parties
Sep 7, 2018
F3204 Communication of the file number to the parties
Sep 7, 2018
F3204 Communication of the file number to the parties
Aug 28, 2018
(Electronic) Receipt
Aug 28, 2018
Letter accompanying subsequently filed items
Aug 28, 2018
Notice of appeal
Aug 28, 2018
Processing of an appeal
Jul 30, 2018
Advice of delivery
Jul 19, 2018
Advice of delivery
Jul 16, 2018
Advice of delivery
Jul 16, 2018
Advice of delivery
Jul 12, 2018
Advice of delivery
Jul 12, 2018
Advice of delivery
Jul 11, 2018
Acknowledgement of a document
Jul 11, 2018
Acknowledgement of a document
Jul 11, 2018
Acknowledgement of a document
Jul 11, 2018
Annex to the communication - opposition
Jul 11, 2018
Decision of the Opposition Division and instruction
Jul 11, 2018
Decision revoking the European patent
Jul 11, 2018
Grounds for the decision (Annex) - opposition
Jul 11, 2018
Internal form - Opposition/addressees
Jul 11, 2018
Internal form - Opposition/addressees
Jul 11, 2018
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Jul 11, 2018
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Jul 11, 2018
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Jul 11, 2018
Provision of a copy of the minutes - opposition procedure
Jun 4, 2018
Information about the result of oral proceedings
May 25, 2018
Brief communication - Opposition proceedings
May 25, 2018
Brief communication - Opposition proceedings
May 18, 2018
(Electronic) Receipt
May 18, 2018
Letter accompanying subsequently filed items
May 18, 2018
Written submission in preparation to/during oral proceedings
Apr 16, 2018
Brief communication - Opposition proceedings
Apr 16, 2018
Brief communication - Opposition proceedings
Apr 11, 2018
Brief communication - Opposition proceedings
Apr 11, 2018
Brief communication - Opposition proceedings
Apr 10, 2018
Brief communication - Opposition proceedings
Apr 10, 2018
Brief communication - Opposition proceedings
Apr 10, 2018
Brief communication - Opposition proceedings
Apr 4, 2018
(Electronic) Receipt
Apr 4, 2018
Any annexes (other than citation) to an opposition letter
Apr 4, 2018
Letter accompanying subsequently filed items
Apr 4, 2018
Written submission in preparation to/during oral proceedings
Apr 4, 2018
Written submission in preparation to/during oral proceedings
Apr 3, 2018
(Electronic) Receipt
Apr 3, 2018
Letter accompanying subsequently filed items
Apr 3, 2018
Request for interpreters during oral proceedings
Mar 29, 2018
(Electronic) Receipt
Mar 29, 2018
Any annexes (other than citation) to an opposition letter
Mar 29, 2018
Letter accompanying subsequently filed items
Mar 29, 2018
Written submission in preparation to/during oral proceedings
Mar 27, 2018
Any annexes (other than citation) to an opposition letter
Mar 27, 2018
Written submission in preparation to/during oral proceedings
Nov 13, 2017
Advice of delivery
Oct 23, 2017
Advice of delivery
Oct 23, 2017
Advice of delivery
Oct 20, 2017
Advice of delivery
Oct 20, 2017
Advice of delivery
Oct 19, 2017
Advice of delivery
Oct 17, 2017
Acknowledgement of a document
Oct 17, 2017
Acknowledgement of a document
Oct 17, 2017
Acknowledgement of a document
Oct 17, 2017
Annex to the communication - opposition
Oct 17, 2017
Information concerning oral proceedings
Oct 17, 2017
Preparation for oral proceedings
Oct 17, 2017
Summons to attend oral proceedings
Oct 17, 2017
Summons to attend oral proceedings
Oct 17, 2017
Summons to attend oral proceedings
Sep 25, 2017
Brief communication - Opposition proceedings
Sep 25, 2017
Brief communication - Opposition proceedings
Aug 30, 2017
(Electronic) Receipt
Aug 30, 2017
Letter accompanying subsequently filed items
Aug 30, 2017
Reply of the patent proprietor to the notice(s) of opposition
Aug 29, 2017
Brief communication - Opposition proceedings
Aug 29, 2017
Brief communication - Opposition proceedings
Aug 25, 2017
Communication concerning the filing of a power of attorney
Aug 25, 2017
Communication of amended entries concerning the representative
Aug 8, 2017
(Electronic) Receipt
Aug 8, 2017
Letter accompanying subsequently filed items
Aug 8, 2017
Submission concerning change of applicant's representative
Apr 28, 2017
Communication of a notice of opposition and request to file observations
Apr 28, 2017
Notice of further oppositions to opponent(s)
Apr 28, 2017
Notice of further oppositions to opponent(s)
Mar 31, 2017
Communication of a notice of opposition - first information to patent proprietor
Mar 31, 2017
Communication of a notice of opposition - first information to patent proprietor
Mar 22, 2017
Any annexes (other than citation) to an opposition letter
Mar 22, 2017
Non-patent literature cited during the opposition procedure
Mar 22, 2017
Non-patent literature cited during the opposition procedure
Mar 22, 2017
Non-patent literature cited during the opposition procedure
Mar 22, 2017
Non-patent literature cited during the opposition procedure
Mar 22, 2017
Notice of opposition
Mar 22, 2017
Notice of opposition
Mar 22, 2017
Patent document cited during the opposition procedure
Mar 22, 2017
Patent document cited during the opposition procedure
Mar 22, 2017
Patent document cited during the opposition procedure
Mar 22, 2017
Patent document cited during the opposition procedure
Mar 22, 2017
Patent document cited during the opposition procedure
Mar 22, 2017
Patent document cited during the opposition procedure
Mar 22, 2017
Payment of fees and costs
Mar 21, 2017
(Electronic) Receipt
Mar 21, 2017
Citation in opposition procedure
Mar 21, 2017
Non-patent literature cited during the opposition procedure
Mar 21, 2017
Non-patent literature cited during the opposition procedure
Mar 21, 2017
Notice of opposition
Mar 21, 2017
Notice of opposition
Mar 21, 2017
Patent document cited during the opposition procedure
Feb 15, 2017
CDS Clean up - amended data concerning the representative of the applicant (Association)
Feb 15, 2017
Submission concerning representation
Jun 22, 2016
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
May 27, 2016
Decision to grant a European patent
Mar 14, 2016
(Electronic) Receipt
Mar 14, 2016
Filing of the translations of the claims
Mar 14, 2016
French translation of claims
Mar 14, 2016
German translation of the claims
Mar 8, 2016
Communication of amended entries concerning the representative
Mar 3, 2016
CDS Clean up - amended applicant details
Mar 3, 2016
Submission concerning change of applicant's address
Mar 3, 2016
Submission concerning change of applicant's representative
Dec 4, 2015
Communication confirming withdrawal from representation
Dec 4, 2015
Notification of termination of representative's authorisation
Nov 27, 2015
(Electronic) Receipt
Nov 27, 2015
Letter accompanying subsequently filed items
Nov 27, 2015
Submission concerning change of applicant's representative
Nov 19, 2015
Bibliographic data of the European patent application
Nov 19, 2015
Communication about intention to grant a European patent
Nov 19, 2015
Intention to grant (signatures)
Nov 19, 2015
Text intended for grant (clean copy)
Nov 19, 2015
Text intended for grant (version for approval)
Oct 29, 2015
(Electronic) Receipt
Oct 29, 2015
Amended description with annotations
Oct 29, 2015
Description
Oct 29, 2015
Letter accompanying subsequently filed items
Oct 29, 2015
Reply to communication from the Examining Division
Jul 9, 2015
Annex to the communication
Jul 9, 2015
Communication from the Examining Division
Jun 26, 2015
Examination started
May 16, 2014
Submission concerning representation
Mar 18, 2014
(Electronic) Receipt
Mar 18, 2014
Letter accompanying subsequently filed items
Mar 18, 2014
Reply to Written Opinion prepared by the EPO
Mar 18, 2014
Reply to Written Opinion prepared by the EPO
Oct 11, 2013
Invitation to declare maintenance of the application and to correct deficiencies in the Written Opinion/amend application
Sep 25, 2013
Communication regarding the transmission of the European search report
Sep 25, 2013
European search opinion
Sep 25, 2013
Supplementary European search report
Sep 9, 2013
Search started
Jan 23, 2013
Notification on forthcoming publication of bibliographic data
Jan 3, 2013
Letter which had not been notified
Nov 23, 2012
Communication regarding possible amendment of the application/payment of claims fee
Nov 21, 2012
Communication to designated inventor
Nov 21, 2012
Communication to designated inventor
Nov 21, 2012
Communication to designated inventor
Nov 21, 2012
Communication to designated inventor
Nov 21, 2012
Communication to designated inventor
Oct 23, 2012
Annexes to the international preliminary examination report
Oct 23, 2012
Copy of the international preliminary examination report
Oct 9, 2012
(Electronic) Receipt
Oct 9, 2012
Request for entry into the European phase
Aug 24, 2012
Information on entry into European phase
May 10, 2012
Notification of election of EPO
Nov 8, 2011
Priority document (electronically transmitted)
Oct 20, 2011
Copy of the international search report
Oct 20, 2011
Published international application - A1

EP2558453

BASF

Application Number: EP11768534A
Filing Date: Apr 6, 2011
Status: Revoked; Jul 17, 2020
Publication Date: Jun 22, 2016
External Links: Slate, Register , Google Patents