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Polysulphones And Polyether Sulphones With Reduced Yellow Index And Processes For Their Preparation

Patent No. EP2035484 (titled "Polysulphones And Polyether Sulphones With Reduced Yellow Index And Processes For Their Preparation") was filed by Basf on Jun 13, 2007. The application was issued on Jul 29, 2020.

Patent Summary

Patent Family

Patent Oppositions

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	Jun 27, 2018	FIORUCCI

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 2, 2020
Decision to maintain the European patent in amended form
Jul 2, 2020
Decision to maintain the European patent in amended form
Jun 26, 2020
Refund of fees
Jun 26, 2020
Termination of the opposition proceedings with maintenance of patent
Jun 19, 2020
(Electronic) Receipt
Jun 19, 2020
Clean copy of description pages in the opposition procedure
Jun 19, 2020
Druckexemplar in opposition procedure
Jun 19, 2020
Filing of the translation of the amended claims
Jun 19, 2020
Letter accompanying subsequently filed items
Jun 12, 2020
(Electronic) Receipt
Jun 12, 2020
(Electronic) Receipt
Jun 12, 2020
Description
Jun 12, 2020
English translation of the claims
Jun 12, 2020
Filing of the translation of the amended claims
Jun 12, 2020
Filing of the translation of the amended claims
Jun 12, 2020
French translation of claims
Jun 12, 2020
Letter accompanying subsequently filed items
Jun 12, 2020
Letter accompanying subsequently filed items
Jun 12, 2020
Translation of the claims
Jun 12, 2020
Translation of the claims
Apr 9, 2020
Communication to opponent concerning maintenance
Apr 9, 2020
Communication with request to file translations
Apr 2, 2020
Maintenance of the patent with the documents specified in the final decision
Jan 7, 2020
Advice of delivery
Dec 20, 2019
Advice of delivery
Dec 19, 2019
Acknowledgement of a document
Dec 19, 2019
Acknowledgement of a document
Dec 19, 2019
Annex to the communication - opposition
Dec 19, 2019
Decision of the Opposition Division and instruction
Dec 19, 2019
Grounds for the decision (Annex) - opposition
Dec 19, 2019
Interlocutory decision in opposition proceedings
Dec 19, 2019
Internal form - Opposition/addressees
Dec 19, 2019
Internal form - Opposition/addressees
Dec 19, 2019
Means of redress
Dec 19, 2019
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Dec 19, 2019
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Dec 19, 2019
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Dec 19, 2019
OPPODREX with handwritten amendments
Dec 19, 2019
Provision of a copy of the minutes - opposition procedure
Dec 19, 2019
Scanned annex to a communication - opposition procedure
Nov 14, 2019
Information about the result of oral proceedings
Sep 20, 2019
Brief communication - Opposition proceedings
Sep 20, 2019
Brief communication - Opposition proceedings
Sep 12, 2019
(Electronic) Receipt
Sep 12, 2019
(Electronic) Receipt
Sep 12, 2019
Amended claims with annotations
Sep 12, 2019
Amended claims with annotations
Sep 12, 2019
Amended claims with annotations
Sep 12, 2019
Amended claims with annotations
Sep 12, 2019
Amended claims with annotations
Sep 12, 2019
Citation in opposition procedure - 018
Sep 12, 2019
Citation in opposition procedure - 019
Sep 12, 2019
Citation in opposition procedure - 020
Sep 12, 2019
Claims
Sep 12, 2019
Claims
Sep 12, 2019
Claims
Sep 12, 2019
Claims
Sep 12, 2019
Claims
Sep 12, 2019
Consolidated list of cited opposition documents
Sep 12, 2019
Letter accompanying subsequently filed items
Sep 12, 2019
Letter accompanying subsequently filed items
Sep 12, 2019
Request for interpreters during oral proceedings
Sep 12, 2019
Written submission in preparation to/during oral proceedings
Sep 11, 2019
(Electronic) Receipt
Sep 11, 2019
Letter accompanying subsequently filed items
Sep 11, 2019
Request for interpreters during oral proceedings
Mar 12, 2019
Advice of delivery
Mar 11, 2019
Advice of delivery
Mar 7, 2019
Advice of delivery
Mar 6, 2019
Advice of delivery
Mar 4, 2019
Acknowledgement of a document
Mar 4, 2019
Acknowledgement of a document
Mar 4, 2019
Annex to the communication - opposition
Mar 4, 2019
Information concerning oral proceedings
Mar 4, 2019
Summons to attend oral proceedings
Mar 4, 2019
Summons to attend oral proceedings
Nov 16, 2018
Brief communication - Opposition proceedings
Nov 9, 2018
(Electronic) Receipt
Nov 9, 2018
Amended claims with annotations
Nov 9, 2018
Citation in opposition procedure - 013
Nov 9, 2018
Citation in opposition procedure - 014
Nov 9, 2018
Citation in opposition procedure - 015
Nov 9, 2018
Citation in opposition procedure - 016
Nov 9, 2018
Citation in opposition procedure - 017
Nov 9, 2018
Claims
Nov 9, 2018
Letter accompanying subsequently filed items
Nov 9, 2018
Reply of the patent proprietor to the notice(s) of opposition
Aug 6, 2018
Brief communication - Opposition proceedings
Aug 6, 2018
Communication concerning the filing of a power of attorney
Aug 6, 2018
Communication of amended entries concerning the representative
Jul 20, 2018
(Electronic) Receipt
Jul 20, 2018
Letter accompanying subsequently filed items
Jul 20, 2018
Submission concerning change of applicant's representative
Jul 11, 2018
Communication of a notice of opposition and request to file observations
Jul 11, 2018
Notice of further oppositions to opponent(s)
Jul 3, 2018
Communication of a notice of opposition - first information to patent proprietor
Jun 27, 2018
(Electronic) Receipt
Jun 27, 2018
Citation in opposition procedure - 001
Jun 27, 2018
Citation in opposition procedure - 002
Jun 27, 2018
Citation in opposition procedure - 003
Jun 27, 2018
Citation in opposition procedure - 004
Jun 27, 2018
Citation in opposition procedure - 005
Jun 27, 2018
Citation in opposition procedure - 006
Jun 27, 2018
Citation in opposition procedure - 007
Jun 27, 2018
Citation in opposition procedure - 008
Jun 27, 2018
Citation in opposition procedure - 009
Jun 27, 2018
Citation in opposition procedure - 010
Jun 27, 2018
Citation in opposition procedure - 011
Jun 27, 2018
Citation in opposition procedure - 012
Jun 27, 2018
Notice of opposition
Jun 27, 2018
Notice of opposition
Oct 5, 2017
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Aug 31, 2017
Decision to grant a European patent
Aug 21, 2017
(Electronic) Receipt
Aug 21, 2017
English translation of the claims
Aug 21, 2017
Filing of the translations of the claims
Aug 21, 2017
French translation of claims
Apr 24, 2017
Bibliographic data of the European patent application
Apr 24, 2017
Communication about intention to grant a European patent
Apr 24, 2017
Intention to grant (signatures)
Apr 24, 2017
Text intended for grant (clean copy)
Apr 24, 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
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
Nov 5, 2010
Reply from applicant/patentee regarding third party observations
Nov 4, 2010
Reply from applicant/patentee regarding third party observations
Oct 26, 2010
Acknowledgement of receipt of third party observations
Oct 26, 2010
Transmittal of third party observations to applicant
Oct 22, 2010
Observations by third parties
Oct 20, 2010
Observations by third parties
Oct 14, 2010
Non-patent literature cited during the examination procedure
Oct 14, 2010
Non-scannable object
Oct 14, 2010
Non-scannable object
Oct 14, 2010
Reply to communication from the Examining Division
Oct 13, 2010
Non-patent literature cited during the examination procedure
Oct 13, 2010
Reply to communication from the Examining Division
Aug 6, 2010
Annex to the communication
Aug 6, 2010
Communication from the Examining Division
Feb 10, 2010
Acknowledgement of receipt of third party observations
Feb 10, 2010
Transmittal of third party observations to applicant
Feb 1, 2010
Letter accompanying subsequently filed items
Feb 1, 2010
Observations by third parties
Feb 1, 2010
Patent document filed by a Third party
Feb 1, 2010
Patent document filed by a Third party
Feb 1, 2010
Patent document filed by a Third party
Jun 29, 2009
Brief notification setting aside the communication about the intention to grant
Jun 16, 2009
Processing of request for correction of text proposed for grant or third party observations
Jun 9, 2009
Acknowledgement of receipt of third party observations
Jun 9, 2009
Transmittal of third party observations to applicant
May 28, 2009
Letter accompanying subsequently filed items
May 28, 2009
Non-patent literature filed by a third party
May 28, 2009
Non-patent literature filed by a third party
May 28, 2009
Non-patent literature filed by a third party
May 28, 2009
Non-patent literature filed by a third party
May 28, 2009
Observations by third parties
May 28, 2009
Patent document filed by a Third party
May 28, 2009
Patent document filed by a Third party
May 28, 2009
Patent document filed by a Third party
May 28, 2009
Patent document filed by a Third party
May 28, 2009
Patent document filed by a Third party
May 28, 2009
Patent document filed by a Third party
May 28, 2009
Patent document filed by a Third party
May 28, 2009
Patent document filed by a Third party
May 28, 2009
Patent document filed by a Third party
May 26, 2009
Bibliographic data of the European patent application
May 26, 2009
Communication about intention to grant a European patent
May 26, 2009
Intention to grant (signatures)
May 26, 2009
Text intended for grant
Feb 18, 2009
Notification on forthcoming publication of bibliographic data
Feb 11, 2009
Communication regarding possible amendment of claims/payment of claims fees
Jan 6, 2009
Annexes to the international preliminary examination report
Jan 6, 2009
Copy of the international preliminary examination report
Dec 11, 2008
(Electronic) Receipt
Dec 11, 2008
Request for entry into the European phase
Oct 31, 2008
Information on entry into European phase
Jul 3, 2008
Communication of the registration of a transfer or change of name and/or address
Jun 24, 2008
CDS Clean up - amended applicant details
May 26, 2008
Annex to International preliminary examination report
May 26, 2008
International preliminary examination report
May 26, 2008
International preliminary examination report
May 26, 2008
International preliminary examination report - free text sheet
May 26, 2008
International preliminary examination report - free text sheet
May 26, 2008
International preliminary examination report - points I-VIII
May 26, 2008
International preliminary examination report - points I-VIII
May 26, 2008
Notification of documents sent to WIPO
May 26, 2008
Transmittal of International Preliminary Examination Report
Feb 25, 2008
Notification of documents sent to WIPO
Feb 25, 2008
Notification of receipt of demand
Jan 22, 2008
Non-patent literature cited during the examination procedure
Jan 22, 2008
PCT demand form
Jan 22, 2008
PCT(IPEA): Amended sheet - claims
Jan 22, 2008
PCT(IPEA): Amended sheet - claims
Jan 22, 2008
Reply to International Search Opinion
Jan 19, 2008
Submission concerning change of applicant's name
Jan 16, 2008
Priority document (electronically transmitted)
Dec 27, 2007
Copy of the international search report
Dec 27, 2007
Copy of the international search report
Dec 27, 2007
Published international application - A1
Jun 13, 2007
Abstract
Jun 13, 2007
Claims
Jun 13, 2007
Description

EP2035484

BASF

Application Number: EP07730108A
Filing Date: Jun 13, 2007
Status: Patent Maintained As Amended; Jun 26, 2020
Publication Date: Jul 29, 2020
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