Method For Producing Low-Chlorine Polybiphenyl Sulfone Polymers

Patent No. EP2414430 (titled "Method For Producing Low-Chlorine Polybiphenyl Sulfone Polymers") was filed by Basf on Mar 30, 2010. The application was issued on Sep 13, 2023.

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	Jul 4, 2018	BENVENUTI

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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Aug 18, 2023
Decision to maintain the European patent in amended form
Aug 18, 2023
Decision to maintain the European patent in amended form
Aug 11, 2023
Termination of the opposition proceedings with maintenance of patent
Aug 4, 2023
(Electronic) Receipt
Aug 4, 2023
English translation of the claims
Aug 4, 2023
Filing of the translation of the amended claims
Aug 4, 2023
French translation of claims
Aug 4, 2023
Letter accompanying subsequently filed items
May 30, 2023
Communication of bibliographic data
May 30, 2023
Communication to opponent concerning maintenance
May 30, 2023
Communication with request to file translations
May 24, 2023
F3936 Acknowledgement of receipt Board of Appeal
May 24, 2023
Maintenance of the patent with the documents specified in the final decision
May 22, 2023
Decision of the Board of Appeal
May 22, 2023
Decision of the Board of Appeal
May 22, 2023
F3032 Notification(s) of the decision
May 22, 2023
F3032 Notification(s) of the decision
May 9, 2023
F3013 Oral Proceedings: Forwarding minutes
May 9, 2023
F3013 Oral Proceedings: Forwarding minutes
May 9, 2023
F3316 Oral Proceedings: Minutes (Appellant: Opponent)
May 9, 2023
F3316 Oral Proceedings: Minutes (Appellant: Opponent)
Apr 19, 2023
Letter dealing with oral proceedings during the appeal procedure
Apr 12, 2023
(Electronic) Receipt
Apr 12, 2023
F3936 Acknowledgement of receipt Board of Appeal
Apr 12, 2023
Letter accompanying subsequently filed items
Apr 11, 2023
F3936 Acknowledgement of receipt Board of Appeal
Apr 5, 2023
F3018 Oral proceedings: Confirmation interpreters
Apr 5, 2023
F3018 Oral proceedings: Confirmation interpreters
Apr 5, 2023
F3345 Forwarding of submissions to parties
Apr 5, 2023
Oral proceedings: change of venue
Apr 5, 2023
Oral proceedings: change of venue
Apr 3, 2023
(Electronic) Receipt
Apr 3, 2023
(Electronic) Receipt
Apr 3, 2023
Claims
Apr 3, 2023
Claims
Apr 3, 2023
Claims
Apr 3, 2023
Claims
Apr 3, 2023
Claims
Apr 3, 2023
Letter dealing with oral proceedings during the appeal procedure
Apr 3, 2023
Letter dealing with oral proceedings during the appeal procedure
Apr 3, 2023
Letter dealing with oral proceedings during the appeal procedure
Apr 3, 2023
Letter dealing with oral proceedings during the appeal procedure
Feb 16, 2023
F3345 Forwarding of submissions to parties
Feb 14, 2023
(Electronic) Receipt
Feb 14, 2023
Letter accompanying subsequently filed items
Feb 14, 2023
Letter dealing with oral proceedings during the appeal procedure
Dec 15, 2022
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Dec 15, 2022
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Jun 22, 2022
Advice of delivery
Jun 20, 2022
F3011.1 Oral Proceedings: summons
Jun 20, 2022
F3011.1 Oral Proceedings: summons
Jun 14, 2022
F3010 Oral proceedings: order for summons
Jun 14, 2022
F3303.16 Change of composition of the Board (T)
Jan 31, 2022
Communication of amended entries in the Register of European Patents
Jan 31, 2022
F3345 Forwarding of submissions to parties
Jan 25, 2022
Letter accompanying subsequently filed items
Jan 25, 2022
Request for change of opponent's representative
Aug 5, 2020
F3345 Forwarding of submissions to parties
Jul 24, 2020
(Electronic) Receipt
Jul 24, 2020
Cited document during appeal procedure
Jul 24, 2020
Letter accompanying subsequently filed items
Jul 24, 2020
Reply to appeal
Apr 15, 2020
Composition of the board (T)
Mar 27, 2020
F3344 Setting time limit for reply/ file observations to appeal (inter partes)
Mar 23, 2020
(Electronic) Receipt
Mar 23, 2020
Cited document during appeal procedure
Mar 23, 2020
Cited document during appeal procedure
Mar 23, 2020
Letter accompanying subsequently filed items
Mar 23, 2020
Statement of grounds of appeal
Jan 23, 2020
F3204 Communication of the file number to the parties
Jan 23, 2020
F3204 Communication of the file number to the parties
Jan 17, 2020
(Electronic) Receipt
Jan 17, 2020
Letter accompanying subsequently filed items
Jan 17, 2020
Notice of appeal
Nov 18, 2019
Advice of delivery
Nov 13, 2019
Advice of delivery
Nov 11, 2019
Acknowledgement of a document
Nov 11, 2019
Acknowledgement of a document
Nov 11, 2019
Annex to the communication - opposition
Nov 11, 2019
Decision of the Opposition Division and instruction
Nov 11, 2019
Druckexemplar in opposition procedure
Nov 11, 2019
Grounds for the decision (Annex) - opposition
Nov 11, 2019
Interlocutory decision in opposition proceedings
Nov 11, 2019
Internal form - Opposition/addressees
Nov 11, 2019
Internal form - Opposition/addressees
Nov 11, 2019
Means of redress
Nov 11, 2019
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Nov 11, 2019
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Nov 11, 2019
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Nov 11, 2019
Provision of a copy of the minutes - opposition procedure
Nov 11, 2019
Scanned annex to a communication - opposition procedure
Sep 24, 2019
Information about the result of oral proceedings
Jul 30, 2019
Brief communication - Opposition proceedings
Jul 30, 2019
Brief communication - Opposition proceedings
Jul 23, 2019
(Electronic) Receipt
Jul 23, 2019
(Electronic) Receipt
Jul 23, 2019
Letter accompanying subsequently filed items
Jul 23, 2019
Letter accompanying subsequently filed items
Jul 23, 2019
Request for interpreters during oral proceedings
Jul 23, 2019
Written submission in preparation to/during oral proceedings
Mar 4, 2019
Advice of delivery
Feb 26, 2019
Advice of delivery
Feb 26, 2019
Advice of delivery
Feb 25, 2019
Advice of delivery
Feb 22, 2019
Acknowledgement of a document
Feb 22, 2019
Acknowledgement of a document
Feb 22, 2019
Annex to the communication - opposition
Feb 22, 2019
Information concerning oral proceedings
Feb 22, 2019
Summons to attend oral proceedings
Feb 22, 2019
Summons to attend oral proceedings
Nov 26, 2018
Brief communication - Opposition proceedings
Nov 21, 2018
(Electronic) Receipt
Nov 21, 2018
Amended claims with annotations
Nov 21, 2018
Amended claims with annotations
Nov 21, 2018
Amended claims with annotations
Nov 21, 2018
Amended claims with annotations
Nov 21, 2018
Amended claims with annotations
Nov 21, 2018
Citation in opposition procedure - 010
Nov 21, 2018
Citation in opposition procedure - 011
Nov 21, 2018
Citation in opposition procedure - 012
Nov 21, 2018
Citation in opposition procedure - 013
Nov 21, 2018
Claims
Nov 21, 2018
Claims
Nov 21, 2018
Claims
Nov 21, 2018
Claims
Nov 21, 2018
Claims
Nov 21, 2018
Consolidated list of cited opposition documents
Nov 21, 2018
Letter accompanying subsequently filed items
Nov 21, 2018
Reply of the patent proprietor to the notice(s) of opposition
Nov 5, 2018
Brief communication - Opposition proceedings
Nov 5, 2018
Rejection of request for extension of time limit
Oct 24, 2018
(Electronic) Receipt
Oct 24, 2018
Letter accompanying subsequently filed items
Oct 24, 2018
Request for extension of time limit
Aug 1, 2018
Brief communication - Opposition proceedings
Jul 30, 2018
Communication concerning the filing of a power of attorney
Jul 30, 2018
Communication of amended entries concerning the representative
Jul 27, 2018
Brief communication - Opposition proceedings
Jul 27, 2018
Communication of amended entries
Jul 27, 2018
Communication of amended entries
Jul 20, 2018
(Electronic) Receipt
Jul 20, 2018
Letter accompanying subsequently filed items
Jul 20, 2018
Submission concerning change of applicant's representative
Jul 18, 2018
Communication of a notice of opposition and request to file observations
Jul 18, 2018
Notice of further oppositions to opponent(s)
Jul 10, 2018
Communication of a notice of opposition - first information to patent proprietor
Jul 4, 2018
(Electronic) Receipt
Jul 4, 2018
Citation in opposition procedure - 001
Jul 4, 2018
Citation in opposition procedure - 001
Jul 4, 2018
Citation in opposition procedure - 002
Jul 4, 2018
Citation in opposition procedure - 003
Jul 4, 2018
Citation in opposition procedure - 004
Jul 4, 2018
Citation in opposition procedure - 004
Jul 4, 2018
Citation in opposition procedure - 004
Jul 4, 2018
Citation in opposition procedure - 005
Jul 4, 2018
Citation in opposition procedure - 006
Jul 4, 2018
Citation in opposition procedure - 006
Jul 4, 2018
Citation in opposition procedure - 007
Jul 4, 2018
Citation in opposition procedure - 008
Jul 4, 2018
Citation in opposition procedure - 008
Jul 4, 2018
Citation in opposition procedure - 009
Jul 4, 2018
Notice of opposition
Jul 4, 2018
Notice of opposition
Oct 12, 2017
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Sep 7, 2017
Decision to grant a European patent
Aug 22, 2017
(Electronic) Receipt
Aug 22, 2017
English translation of the claims
Aug 22, 2017
Filing of the translations of the claims
Aug 22, 2017
French translation of claims
May 9, 2017
Bibliographic data of the European patent application
May 9, 2017
Communication about intention to grant a European patent
May 9, 2017
Intention to grant (signatures)
May 9, 2017
Text intended for grant (clean copy)
May 9, 2017
Text intended for grant (version for approval)
Apr 18, 2017
Processing of request for correction of text proposed for grant or third party observations (from 01-04-2012)
Mar 23, 2017
(Electronic) Receipt
Mar 23, 2017
Amended claims with annotations
Mar 23, 2017
Letter accompanying subsequently filed items
Mar 21, 2017
(Electronic) Receipt
Mar 21, 2017
Amended description with annotations
Mar 21, 2017
Amended description with annotations
Mar 21, 2017
Annex
Mar 21, 2017
Citation for the examination procedure
Mar 21, 2017
Citation for the examination procedure
Mar 21, 2017
Claims
Mar 21, 2017
Description
Mar 21, 2017
Letter accompanying subsequently filed items
Mar 21, 2017
Request for correction/amendment of the text proposed for grant sent from 01.04.2012
Feb 21, 2017
Communication of amended entries concerning the representative
Feb 15, 2017
Submission concerning change of applicant's representative
Nov 28, 2016
Bibliographic data of the European patent application
Nov 28, 2016
Communication about intention to grant a European patent
Nov 28, 2016
Intention to grant (signatures)
Nov 28, 2016
Text intended for grant (clean copy)
Nov 28, 2016
Text intended for grant (version for approval)
Oct 20, 2016
Communication confirming withdrawal from representation
Oct 20, 2016
Communication of amended entries concerning the representative
Oct 19, 2016
Examination started
Sep 29, 2016
Submission concerning change of applicant's representative
Aug 1, 2016
Notification regarding date of start of examination with possibility to withdraw
Mar 3, 2016
CDS Clean up - amended applicant details
Mar 3, 2016
Submission concerning change of applicant's address
Feb 4, 2013
Communication of amended entries concerning the representative
Jan 17, 2013
Reply from applicant/patentee regarding third party observations
Jan 17, 2013
Submission concerning change of applicant's representative
Jan 16, 2013
Reply from applicant/patentee regarding third party observations
Jan 16, 2013
Submission concerning change of applicant's representative
Nov 19, 2012
Transmittal of third party observations to applicant
Nov 14, 2012
Observations by third parties
Nov 14, 2012
Patent document filed by a Third party
Nov 14, 2012
Patent document filed by a Third party
May 24, 2012
Amended claims filed after receipt of (European) search report
May 24, 2012
Amended claims with annotations
May 24, 2012
Amended description filed after receipt of (European) search report
May 24, 2012
Amended description with annotations
May 24, 2012
Amendments received before examination
Jan 11, 2012
Notification on forthcoming publication of bibliographic data
Nov 21, 2011
Communication concerning correction of deficiencies in written opinion/amendment of application/payment of claims fee
Oct 17, 2011
(Electronic) Receipt
Oct 17, 2011
Request for entry into the European phase
Oct 10, 2011
Annexes to the international preliminary examination report
Oct 10, 2011
Copy of the international preliminary examination report
Aug 12, 2011
Information on entry into European phase
May 26, 2011
Annex to International preliminary examination report
May 26, 2011
International preliminary examination report
May 26, 2011
International preliminary examination report
May 26, 2011
International preliminary examination report - free text sheet
May 26, 2011
International preliminary examination report - free text sheet
May 26, 2011
International preliminary examination report - points I-VIII
May 26, 2011
International preliminary examination report - points I-VIII
May 26, 2011
Notification of documents sent to WIPO
May 26, 2011
Transmittal of International Preliminary Examination Report
Dec 29, 2010
Notification of election of EPO
Dec 23, 2010
Amendments of documents (Article 19 PCT)
Dec 23, 2010
Notification of defects in the demand
Dec 9, 2010
Notification of documents sent to WIPO
Dec 9, 2010
Notification of receipt of demand
Nov 23, 2010
PCT demand form
Nov 23, 2010
PCT(IPEA): Amended sheet - claims
Nov 23, 2010
PCT(IPEA): Amended sheet - claims
Nov 23, 2010
Reply to International Search Opinion
Oct 29, 2010
Priority document (electronically transmitted)
Oct 7, 2010
Copy of the international search report
Oct 7, 2010
Copy of the international search report
Oct 7, 2010
Published international application - A1
Jun 24, 2010
Written opinion of the ISA, boxes No. I to VIII
Jun 24, 2010
Written opinion of the ISA, cover sheet
Jun 24, 2010
Written opinion of the ISA, supplemental box
Mar 30, 2010
(Electronic) Receipt
Mar 30, 2010
Abstract
Mar 30, 2010
Claims
Mar 30, 2010
Description
Mar 30, 2010
Priority document (RO-procedure)

EP2414430

BASF

Application Number: EP10713605A
Filing Date: Mar 30, 2010
Status: Patent Maintained As Amended; Aug 11, 2023
Publication Date: Sep 13, 2023
External Links: Slate, Register , Google Patents

IP Verse

Method For Producing Low-Chlorine Polybiphenyl Sulfone Polymers

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Dossier Documents

EP2414430