Process For Preparing Phthalic Anhydride

Patent No. EP3013783 (titled "Process For Preparing Phthalic Anhydride") was filed by Basf on Jun 16, 2014. The application was issued on Oct 17, 2018.

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	Jul 15, 2019	HEINEMANN

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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Oct 28, 2020
Communication to the parties concerning the termination of the opposition proceedings (opponent)
Oct 28, 2020
Communication to the parties concerning the termination of the opposition proceedings (proprietor)
Oct 23, 2020
Termination of the opposition proceedings with revocation of patent
Jul 20, 2020
(Electronic) Receipt
Jul 20, 2020
Advice of delivery
Jul 20, 2020
Letter accompanying subsequently filed items
Jul 15, 2020
Advice of delivery
Jul 13, 2020
Acknowledgement of a document
Jul 13, 2020
Acknowledgement of a document
Jul 13, 2020
Decision of the Opposition Division and instruction
Jul 13, 2020
Decision revoking the European patent
Jul 13, 2020
Grounds for the decision (Annex) - opposition
Jul 13, 2020
Internal form - Opposition/addressees
Jul 13, 2020
Means of redress
Dec 11, 2019
Brief communication - Opposition proceedings
Dec 4, 2019
(Electronic) Receipt
Dec 4, 2019
Letter accompanying subsequently filed items
Dec 4, 2019
Reply of the patent proprietor to the notice(s) of opposition
Aug 1, 2019
Communication of a notice of opposition and request to file observations
Aug 1, 2019
Notice of further oppositions to opponent(s)
Jul 18, 2019
Communication of a notice of opposition - first information to patent proprietor
Jul 18, 2019
Consolidated list of cited opposition documents
Jul 15, 2019
(Electronic) Receipt
Jul 15, 2019
Citation in opposition procedure - 001
Jul 15, 2019
Citation in opposition procedure - 001
Jul 15, 2019
Citation in opposition procedure - 002
Jul 15, 2019
Citation in opposition procedure - 003
Jul 15, 2019
Citation in opposition procedure - 004
Jul 15, 2019
Citation in opposition procedure - 005
Jul 15, 2019
Citation in opposition procedure - 005
Jul 15, 2019
Citation in opposition procedure - 006
Jul 15, 2019
Citation in opposition procedure - 007
Jul 15, 2019
Citation in opposition procedure - 008
Jul 15, 2019
International publication (Pamphlet)
Jul 15, 2019
Notice of opposition
Jul 15, 2019
Notice of opposition
Oct 29, 2018
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Sep 20, 2018
Decision to grant a European patent
Aug 29, 2018
(Electronic) Receipt
Aug 29, 2018
English translation of the claims
Aug 29, 2018
Filing of the translations of the claims
Aug 29, 2018
French translation of claims
May 11, 2018
Bibliographic data of the European patent application
May 11, 2018
Communication about intention to grant a European patent
May 11, 2018
Intention to grant (signatures)
May 11, 2018
Text intended for grant (clean copy)
May 11, 2018
Text intended for grant (version for approval)
Mar 26, 2018
Examination started
Aug 31, 2017
(Electronic) Receipt
Aug 31, 2017
Amended claims filed after receipt of (European) search report
Aug 31, 2017
Amended claims with annotations
Aug 31, 2017
Amended description filed after receipt of (European) search report
Aug 31, 2017
Amended description with annotations
Aug 31, 2017
Amendments received before examination
Aug 31, 2017
Letter accompanying subsequently filed items
Mar 3, 2017
Invitation to declare maintenance of the application and to correct deficiencies in the Written Opinion/amend application
Feb 15, 2017
CDS Clean up - amended data concerning the representative of the applicant (Association)
Feb 15, 2017
Communication regarding the transmission of the European search report
Feb 15, 2017
European search opinion
Feb 15, 2017
Information on Search Strategy
Feb 15, 2017
Submission concerning representation
Feb 15, 2017
Supplementary European search report
Jan 24, 2017
Search started
Apr 6, 2016
Notification on forthcoming publication of bibliographic data
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
Feb 9, 2016
Communication regarding possible amendment of the application/payment of claims fee
Feb 5, 2016
Communication to designated inventor
Feb 5, 2016
Communication to designated inventor
Feb 5, 2016
Communication to designated inventor
Feb 5, 2016
Communication to designated inventor
Jan 13, 2016
Copy of the international preliminary report on patentability
Dec 16, 2015
(Electronic) Receipt
Dec 16, 2015
Request for entry into the European phase
Nov 4, 2015
Information on entry into European phase
Jun 25, 2015
Copy of the international search report
Jun 25, 2015
Copy of the international search report
Jun 25, 2015
International publication of the international search report
Jan 20, 2015
Priority document (electronically transmitted)
Dec 31, 2014
Published international application - A2

EP3013783

BASF

Application Number: EP14817018A
Filing Date: Jun 16, 2014
Status: Revoked; Oct 30, 2020
Publication Date: Oct 17, 2018
External Links: Slate, Register , Google Patents

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Process For Preparing Phthalic Anhydride

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Dossier Documents

EP3013783