Separating A Polyarylene Ether Solution

Patent No. EP3022253 (titled "Separating A Polyarylene Ether Solution") was filed by Basf on Jul 16, 2014. The application was issued on Aug 14, 2024.

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
SOLVAY SPECIALTY POLYMERS USA	Feb 18, 2022	FERRI

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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Jul 18, 2024
Decision to maintain the European patent in amended form
Jul 4, 2024
(Electronic) Receipt
Jul 4, 2024
Amended claims with annotations
Jul 4, 2024
Amended claims with annotations
Jul 4, 2024
English translation of the claims
Jul 4, 2024
Filing of the translation of the amended claims
Jul 4, 2024
French translation of claims
Jul 4, 2024
Letter accompanying subsequently filed items
Jun 12, 2024
Communication of bibliographic data
Jun 12, 2024
Communication with request to file translations
Jun 5, 2024
Maintenance of the patent with the documents specified in the final decision
Mar 5, 2024
Annex to the communication - opposition
Mar 5, 2024
Brief communication - Opposition proceedings
Mar 5, 2024
Druckexemplar in opposition procedure
Mar 5, 2024
Grounds for the decision (Annex) - opposition
Mar 5, 2024
Interlocutory decision in opposition proceedings
Mar 5, 2024
Means of redress
Mar 5, 2024
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Mar 5, 2024
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Mar 5, 2024
Provision of a copy of the minutes - opposition procedure
Mar 5, 2024
Scanned annex to a communication - opposition procedure
Mar 5, 2024
Scanned annex to a communication - opposition procedure
Mar 1, 2024
Decision of the Opposition Division and instruction
Feb 20, 2024
Information about the result of oral proceedings
Feb 14, 2024
(Electronic) Receipt
Feb 14, 2024
Amended description with annotations
Feb 14, 2024
Amended description with annotations
Feb 14, 2024
Amended description with annotations
Feb 14, 2024
Clean copy of description pages in the opposition procedure
Feb 14, 2024
Clean copy of description pages in the opposition procedure
Feb 14, 2024
Clean copy of description pages in the opposition procedure
Feb 14, 2024
Letter accompanying subsequently filed items
Feb 14, 2024
Written submission in preparation to/during oral proceedings
Nov 14, 2023
Notification concerning the date of oral proceedings
Nov 9, 2023
Brief communication - Opposition proceedings
Nov 9, 2023
Brief communication - Opposition proceedings
Nov 6, 2023
(Electronic) Receipt
Nov 6, 2023
Letter accompanying subsequently filed items
Nov 6, 2023
Withdrawal of an opposition
May 26, 2023
Advice of delivery
May 26, 2023
Advice of delivery
May 25, 2023
Annex to the communication - opposition
May 25, 2023
Information concerning oral proceedings
May 25, 2023
Scanned annex to a communication - opposition procedure
May 25, 2023
Summons to attend oral proceedings
May 25, 2023
Summons to attend oral proceedings
May 25, 2023
Transmittal of decision / summons - opposition
May 25, 2023
Transmittal of decision / summons - opposition
Sep 8, 2022
Brief communication - Opposition proceedings
Sep 2, 2022
(Electronic) Receipt
Sep 2, 2022
Auxiliary request during Opposition procedure
Sep 2, 2022
Auxiliary request during Opposition procedure
Sep 2, 2022
Auxiliary request during Opposition procedure
Sep 2, 2022
Auxiliary request during Opposition procedure - 01
Sep 2, 2022
Auxiliary request during Opposition procedure - 02
Sep 2, 2022
Auxiliary request during Opposition procedure - 03
Sep 2, 2022
Letter accompanying subsequently filed items
Sep 2, 2022
Reply of the patent proprietor to the notice(s) of opposition
Jun 24, 2022
Brief communication - Opposition proceedings
Jun 24, 2022
Communication concerning the filing of a power of attorney
Jun 24, 2022
Communication of amended entries concerning the representative
Jun 20, 2022
(Electronic) Receipt
Jun 20, 2022
Letter accompanying subsequently filed items (CDR)
Jun 20, 2022
Submission concerning change of proprietor's representative
Jun 7, 2022
Brief communication - Opposition proceedings
Jun 7, 2022
Brief communication - Opposition proceedings
Jun 7, 2022
Grant of extension of time limit (opposition procedure)
Jun 1, 2022
(Electronic) Receipt
Jun 1, 2022
Letter accompanying subsequently filed items
Jun 1, 2022
Request for extension of time limit
Mar 11, 2022
Communication of a notice of opposition and request to file observations
Mar 11, 2022
Notice of further oppositions to opponent(s)
Mar 2, 2022
Refund of fees
Feb 24, 2022
Communication of a notice of opposition - first information to patent proprietor
Feb 21, 2022
(Electronic) Receipt
Feb 21, 2022
(Electronic) Receipt
Feb 21, 2022
Letter accompanying subsequently filed items
Feb 21, 2022
Letter accompanying subsequently filed items
Feb 21, 2022
Notice of opposition
Feb 21, 2022
Notice of opposition
Feb 21, 2022
Notice of opposition
Feb 18, 2022
(Electronic) Receipt
Feb 18, 2022
Citation in opposition procedure
Feb 18, 2022
Citation in opposition procedure - 001
Feb 18, 2022
Citation in opposition procedure - 002
Feb 18, 2022
Citation in opposition procedure - 002
Feb 18, 2022
Citation in opposition procedure - 003
Feb 18, 2022
Citation in opposition procedure - 004
Feb 18, 2022
Citation in opposition procedure - 004
Feb 18, 2022
Citation in opposition procedure - 005
Feb 18, 2022
Citation in opposition procedure - 005
Feb 18, 2022
Citation in opposition procedure - 006
Feb 18, 2022
Citation in opposition procedure - 006
Feb 18, 2022
Citation in opposition procedure - 007
Feb 18, 2022
Citation in opposition procedure - 008
Feb 18, 2022
Citation in opposition procedure - 009
Feb 18, 2022
Consolidated list of cited opposition documents
Feb 18, 2022
Letter accompanying subsequently filed items
Feb 18, 2022
Notice of opposition
Jun 1, 2021
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Apr 22, 2021
Decision to grant a European patent
Apr 8, 2021
(Electronic) Receipt
Apr 8, 2021
English translation of the claims
Apr 8, 2021
Filing of the translations of the claims
Apr 8, 2021
French translation of claims
Dec 15, 2020
Bibliographic data of the European patent application
Dec 15, 2020
Communication about intention to grant a European patent
Dec 15, 2020
Intention to grant (signatures)
Dec 15, 2020
Text intended for grant (clean copy)
Dec 15, 2020
Text intended for grant (version for approval)
Aug 26, 2020
(Electronic) Receipt
Aug 26, 2020
Amended description with annotations
Aug 26, 2020
Claims
Aug 26, 2020
Description
Aug 26, 2020
Letter accompanying subsequently filed items
Aug 26, 2020
Reply to communication from the Examining Division
Jul 21, 2020
Annex to the communication
Jul 21, 2020
Communication from the Examining Division
Mar 17, 2020
(Electronic) Receipt
Mar 17, 2020
Amended description with annotations
Mar 17, 2020
Description
Mar 17, 2020
Letter accompanying subsequently filed items
Mar 17, 2020
Reply to communication from the Examining Division
Dec 18, 2019
Annex to the communication
Dec 18, 2019
Communication from the Examining Division
Aug 23, 2019
(Electronic) Receipt
Aug 23, 2019
Amended claims with annotations
Aug 23, 2019
Amended claims with annotations
Aug 23, 2019
Amended claims with annotations
Aug 23, 2019
Claims
Aug 23, 2019
Claims
Aug 23, 2019
Claims
Aug 23, 2019
Letter accompanying subsequently filed items
Aug 23, 2019
Reply to communication from the Examining Division
Apr 25, 2019
Annex to the communication
Apr 25, 2019
Communication from the Examining Division
Apr 11, 2019
Examination started
Feb 21, 2017
Communication of amended entries concerning the representative
Feb 15, 2017
Submission concerning change of applicant's representative
Oct 6, 2016
Communication confirming withdrawal from representation
Oct 6, 2016
Communication of amended entries concerning the representative
Sep 2, 2016
Submission concerning change of applicant's representative
Jul 6, 2016
Reply to Written Opinion prepared by the EPO
Jul 5, 2016
Reply to Written Opinion prepared by the EPO
Apr 28, 2016
Notification on forthcoming publication of bibliographic data
Mar 4, 2016
Communication concerning correction of deficiencies in written opinion/amendment of application/payment of claims fee
Mar 3, 2016
CDS Clean up - amended applicant details
Mar 3, 2016
Submission concerning change of applicant's address
Feb 27, 2016
Priority search results copy provided by EPO
Feb 26, 2016
Communication to designated inventor
Feb 26, 2016
Communication to designated inventor
Feb 26, 2016
Communication to designated inventor
Feb 26, 2016
Communication to designated inventor
Feb 9, 2016
(Electronic) Receipt
Feb 9, 2016
Request for entry into the European phase
Jan 26, 2016
Annexes to the international preliminary examination report
Jan 26, 2016
Copy of the international preliminary examination report
Nov 27, 2015
Information on entry into European phase
Sep 8, 2015
Annex to International preliminary examination report
Sep 8, 2015
International preliminary examination report
Sep 8, 2015
International preliminary examination report - free text sheet
Sep 8, 2015
International preliminary examination report - points I-VIII
Sep 8, 2015
Transmittal of International Preliminary Examination Report
Aug 19, 2015
PCT(IPEA): Amended sheet - claims
Aug 19, 2015
PCT(IPEA): Amended sheet - claims
Aug 19, 2015
Reply to communication PCT/IPEA/408
Aug 17, 2015
Reply to communication PCT/IPEA/408
Jul 1, 2015
Written opinion
Jul 1, 2015
Written opinion - free text sheet
Jul 1, 2015
Written opinion - points I-VIII
Jun 8, 2015
Notification of election of EPO
May 15, 2015
Notification of receipt of demand
May 8, 2015
PCT demand form
May 8, 2015
PCT(IPEA): Amended sheet - claims
May 8, 2015
PCT(IPEA): Amended sheet - claims
May 8, 2015
Payment of fees and costs
May 8, 2015
Reply to International Search Opinion
May 6, 2015
Document concerning fees and payments
May 6, 2015
PCT demand form
May 6, 2015
PCT(IPEA): Amended sheet - claims
May 6, 2015
PCT(IPEA): Amended sheet - claims
May 6, 2015
Payment of fees and costs
May 6, 2015
Reply to International Search Opinion
Feb 10, 2015
Priority document (electronically transmitted)
Jan 22, 2015
Copy of the international search report
Jan 22, 2015
Copy of the international search report
Jan 22, 2015
Published international application - A1
Oct 13, 2014
Written opinion of the ISA, boxes No. I to VIII
Oct 13, 2014
Written opinion of the ISA, cover sheet
Oct 13, 2014
Written opinion of the ISA, supplemental box
Jul 16, 2014
(Electronic) Receipt
Jul 16, 2014
Abstract
Jul 16, 2014
Claims
Jul 16, 2014
Description
Jul 16, 2014
Priority document (RO-procedure)

EP3022253

BASF

Application Number: EP14739187A
Filing Date: Jul 16, 2014
Status: Patent Maintained As Amended; Jul 12, 2024
Publication Date: Aug 14, 2024
External Links: Slate, Register , Google Patents

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Separating A Polyarylene Ether Solution

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Dossier Documents

EP3022253