Use Of Improved N-Alkyl Pyrrolidone Solvents

Patent No. EP2804940 (titled "Use Of Improved N-Alkyl Pyrrolidone Solvents") was filed by Taminco on Jan 17, 2013. The application was issued on Sep 19, 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
BASF	Mar 15, 2019	JACOBI

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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Nov 27, 2023
F3936 Acknowledgement of receipt Board of Appeal
Nov 24, 2023
Decision of the Board of Appeal
Nov 24, 2023
F3032 Notification(s) of the decision
Nov 24, 2023
F3032 Notification(s) of the decision
Nov 8, 2023
F3013 Oral Proceedings: Forwarding minutes
Nov 8, 2023
F3013 Oral Proceedings: Forwarding minutes
Nov 8, 2023
F3316 Oral Proceedings: Minutes (Appellant: Opponent)
Oct 2, 2023
F3018 Oral proceedings: Confirmation interpreters
Oct 2, 2023
F3018 Oral proceedings: Confirmation interpreters
Oct 2, 2023
F3345 Forwarding of submissions to parties
Sep 29, 2023
(Electronic) Receipt
Sep 29, 2023
Amended claims with annotations
Sep 29, 2023
Auxiliary request during appeals procedure - 07
Sep 29, 2023
Citation in appeal procedure - 023
Sep 29, 2023
Citation in appeal procedure - 024
Sep 29, 2023
Citation in appeal procedure - 025
Sep 29, 2023
Citation in appeal procedure - 026
Sep 29, 2023
F3345 Forwarding of submissions to parties
Sep 29, 2023
Letter accompanying subsequently filed items
Sep 29, 2023
Letter dealing with oral proceedings during the appeal procedure
Sep 28, 2023
(Electronic) Receipt
Sep 28, 2023
Letter accompanying subsequently filed items
Sep 28, 2023
Letter dealing with oral proceedings during the appeal procedure
Apr 11, 2023
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Apr 11, 2023
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Mar 27, 2023
F3936 Acknowledgement of receipt Board of Appeal
Mar 23, 2023
F3011.1 Oral Proceedings: summons
Mar 23, 2023
F3011.1 Oral Proceedings: summons
Mar 20, 2023
F3010 Oral proceedings: order for summons
Oct 20, 2022
Composition of the board (T)
Jul 20, 2022
F3345 Forwarding of submissions to parties
Jul 15, 2022
(Electronic) Receipt
Jul 15, 2022
Letter accompanying subsequently filed items
Jul 15, 2022
Letter relating to Appeal Procedure
May 18, 2022
F3345 Forwarding of submissions to parties
May 13, 2022
(Electronic) Receipt
May 13, 2022
Letter accompanying subsequently filed items
May 13, 2022
Letter relating to Appeal Procedure
Mar 29, 2022
F3345 Forwarding of submissions to parties
Mar 24, 2022
(Electronic) Receipt
Mar 24, 2022
Letter accompanying subsequently filed items
Mar 24, 2022
Letter relating to Appeal Procedure
Dec 22, 2021
F3345 Forwarding of submissions to parties
Dec 17, 2021
(Electronic) Receipt
Dec 17, 2021
Letter accompanying subsequently filed items
Dec 17, 2021
Letter relating to Appeal Procedure
Nov 18, 2021
F3345 Forwarding of submissions to parties
Nov 15, 2021
(Electronic) Receipt
Nov 15, 2021
Amended claims with annotations
Nov 15, 2021
Amended claims with annotations
Nov 15, 2021
Amended claims with annotations
Nov 15, 2021
Amended claims with annotations
Nov 15, 2021
Amended claims with annotations
Nov 15, 2021
Amended claims with annotations
Nov 15, 2021
Auxiliary request during appeals procedure - 01
Nov 15, 2021
Auxiliary request during appeals procedure - 02
Nov 15, 2021
Auxiliary request during appeals procedure - 03
Nov 15, 2021
Auxiliary request during appeals procedure - 04
Nov 15, 2021
Auxiliary request during appeals procedure - 05
Nov 15, 2021
Auxiliary request during appeals procedure - 06
Nov 15, 2021
Letter accompanying subsequently filed items
Nov 15, 2021
Reply to appeal
Jul 6, 2021
F3344 Setting time limit for reply/ file observations to appeal (inter partes)
Jul 1, 2021
(Electronic) Receipt
Jul 1, 2021
Citation in appeal procedure - 001
Jul 1, 2021
Citation in appeal procedure - 002
Jul 1, 2021
Citation in appeal procedure - 003
Jul 1, 2021
Citation in appeal procedure - 004
Jul 1, 2021
Citation in appeal procedure - 005
Jul 1, 2021
Citation in appeal procedure - 006
Jul 1, 2021
Citation in appeal procedure - 006
Jul 1, 2021
Citation in appeal procedure - 006
Jul 1, 2021
Citation in appeal procedure - 007
Jul 1, 2021
Citation in appeal procedure - 007
Jul 1, 2021
Citation in appeal procedure - 007
Jul 1, 2021
Citation in appeal procedure - 008
Jul 1, 2021
Citation in appeal procedure - 009
Jul 1, 2021
Citation in appeal procedure - 010
Jul 1, 2021
Citation in appeal procedure - 011
Jul 1, 2021
Citation in appeal procedure - 012
Jul 1, 2021
Citation in appeal procedure - 013
Jul 1, 2021
Citation in appeal procedure - 014
Jul 1, 2021
Citation in appeal procedure - 015
Jul 1, 2021
Citation in appeal procedure - 016
Jul 1, 2021
Citation in appeal procedure - 017
Jul 1, 2021
Citation in appeal procedure - 018
Jul 1, 2021
Citation in appeal procedure - 019
Jul 1, 2021
Citation in appeal procedure - 020
Jul 1, 2021
Citation in appeal procedure - 021
Jul 1, 2021
Citation in appeal procedure - 022
Jul 1, 2021
Letter accompanying subsequently filed items
Jul 1, 2021
Statement of grounds of appeal
Jun 7, 2021
F3345 Forwarding of submissions to parties
Jun 1, 2021
(Electronic) Receipt
Jun 1, 2021
Communication of amended entries in the Register of European Patents
Jun 1, 2021
F3204 Communication of the file number to the parties
Jun 1, 2021
F3204 Communication of the file number to the parties
Jun 1, 2021
F3345 Forwarding of submissions to parties
Jun 1, 2021
Letter accompanying subsequently filed items
Jun 1, 2021
Letter relating to Appeal Procedure
May 25, 2021
(Electronic) Receipt
May 25, 2021
Letter accompanying subsequently filed items
May 25, 2021
Notice of appeal
May 3, 2021
Advice of delivery
May 3, 2021
Advice of delivery
Apr 30, 2021
Communication about missing advice of delivery
Mar 25, 2021
(Electronic) Receipt
Mar 25, 2021
Advice of delivery
Mar 25, 2021
Annex to the communication - opposition
Mar 25, 2021
Decision of the Opposition Division and instruction
Mar 25, 2021
Decision rejecting the opposition
Mar 25, 2021
Grounds for the decision (Annex) - opposition
Mar 25, 2021
Internal form - Opposition/addressees
Mar 25, 2021
Internal form - Opposition/addressees
Mar 25, 2021
Letter accompanying subsequently filed items
Mar 25, 2021
Means of redress
Mar 25, 2021
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Mar 25, 2021
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Mar 25, 2021
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Mar 25, 2021
Provision of a copy of the minutes - opposition procedure
Mar 25, 2021
Transmittal of decision / summons - opposition
Mar 25, 2021
Transmittal of decision / summons - opposition
Feb 8, 2021
Information about the result of oral proceedings
Jan 18, 2021
(Electronic) Receipt
Jan 18, 2021
Authorisation
Jan 18, 2021
Letter accompanying subsequently filed items
Jan 18, 2021
Submission concerning representation
Dec 9, 2020
Notification concerning the date of oral proceedings
Dec 9, 2020
Notification concerning the date of oral proceedings
Dec 3, 2020
Brief communication - Opposition proceedings
Nov 30, 2020
(Electronic) Receipt
Nov 30, 2020
Letter accompanying subsequently filed items
Nov 30, 2020
Written submission in preparation to/during oral proceedings
Sep 14, 2020
Advice of delivery
Aug 19, 2020
(Electronic) Receipt
Aug 19, 2020
Advice of delivery
Aug 19, 2020
Letter accompanying subsequently filed items
Aug 17, 2020
Acknowledgement of a document
Aug 17, 2020
Acknowledgement of a document
Aug 17, 2020
Information concerning oral proceedings
Aug 17, 2020
Summons to attend oral proceedings
Aug 17, 2020
Summons to attend oral proceedings
Aug 10, 2020
Notification concerning the date of oral proceedings
Aug 10, 2020
Notification concerning the date of oral proceedings
Aug 4, 2020
Brief communication - Opposition proceedings
Aug 3, 2020
Brief communication - Opposition proceedings
Jul 30, 2020
(Electronic) Receipt
Jul 30, 2020
Auxiliary request during Opposition procedure
Jul 30, 2020
Auxiliary request during Opposition procedure
Jul 30, 2020
Auxiliary request during Opposition procedure
Jul 30, 2020
Auxiliary request during Opposition procedure
Jul 30, 2020
Auxiliary request during Opposition procedure
Jul 30, 2020
Auxiliary request during Opposition procedure
Jul 30, 2020
Auxiliary request during Opposition procedure - 01
Jul 30, 2020
Auxiliary request during Opposition procedure - 02
Jul 30, 2020
Auxiliary request during Opposition procedure - 03
Jul 30, 2020
Auxiliary request during Opposition procedure - 04
Jul 30, 2020
Auxiliary request during Opposition procedure - 05
Jul 30, 2020
Auxiliary request during Opposition procedure - 06
Jul 30, 2020
Letter accompanying subsequently filed items
Jul 30, 2020
Written submission in preparation to/during oral proceedings
Jul 29, 2020
(Electronic) Receipt
Jul 29, 2020
Letter accompanying subsequently filed items
Jul 29, 2020
Oral proceedings: reply to date proposed
Jul 15, 2020
Notification concerning the date of oral proceedings
Jul 15, 2020
Notification concerning the date of oral proceedings
Apr 17, 2020
Brief communication - Opposition proceedings
Apr 8, 2020
(Electronic) Receipt
Apr 8, 2020
Citation in opposition procedure - 019
Apr 8, 2020
Citation in opposition procedure - 020
Apr 8, 2020
Citation in opposition procedure - 021
Apr 8, 2020
Consolidated list of cited opposition documents
Apr 8, 2020
Letter accompanying subsequently filed items
Apr 8, 2020
Written submission in preparation to/during oral proceedings
Feb 19, 2020
Advice of delivery
Feb 17, 2020
(Electronic) Receipt
Feb 17, 2020
Advice of delivery
Feb 17, 2020
Letter accompanying subsequently filed items
Feb 13, 2020
Acknowledgement of a document
Feb 13, 2020
Acknowledgement of a document
Feb 13, 2020
Annex to the communication - opposition
Feb 13, 2020
Information concerning oral proceedings
Feb 13, 2020
Summons to attend oral proceedings
Feb 13, 2020
Summons to attend oral proceedings
Nov 8, 2019
Brief communication - Opposition proceedings
Nov 4, 2019
(Electronic) Receipt
Nov 4, 2019
Citation in opposition procedure - 008
Nov 4, 2019
Citation in opposition procedure - 009
Nov 4, 2019
Citation in opposition procedure - 010
Nov 4, 2019
Citation in opposition procedure - 011
Nov 4, 2019
Citation in opposition procedure - 012
Nov 4, 2019
Citation in opposition procedure - 013
Nov 4, 2019
Citation in opposition procedure - 014
Nov 4, 2019
Citation in opposition procedure - 015
Nov 4, 2019
Citation in opposition procedure - 016
Nov 4, 2019
Citation in opposition procedure - 017
Nov 4, 2019
Citation in opposition procedure - 018
Nov 4, 2019
Letter accompanying subsequently filed items
Nov 4, 2019
Main request during Opposition procedure
Nov 4, 2019
Reply of the patent proprietor to the notice(s) of opposition
Jul 4, 2019
Communication of a notice of opposition and request to file observations
Jul 4, 2019
Notice of further oppositions to opponent(s)
Mar 22, 2019
Communication of a notice of opposition - first information to patent proprietor
Mar 15, 2019
(Electronic) Receipt
Mar 15, 2019
Citation in opposition procedure - 001
Mar 15, 2019
Citation in opposition procedure - 002
Mar 15, 2019
Citation in opposition procedure - 003
Mar 15, 2019
Citation in opposition procedure - 004
Mar 15, 2019
Citation in opposition procedure - 005
Mar 15, 2019
Citation in opposition procedure - 006
Mar 15, 2019
Citation in opposition procedure - 006
Mar 15, 2019
Citation in opposition procedure - 006
Mar 15, 2019
Citation in opposition procedure - 007
Mar 15, 2019
Citation in opposition procedure - 007
Mar 15, 2019
Citation in opposition procedure - 007
Mar 15, 2019
International publication (Pamphlet)
Mar 15, 2019
Letter accompanying subsequently filed items
Mar 15, 2019
Notice of opposition
Oct 1, 2018
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Aug 23, 2018
Decision to grant a European patent
Aug 8, 2018
(Electronic) Receipt
Aug 8, 2018
Filing of the translations of the claims
Aug 8, 2018
French translation of claims
Aug 8, 2018
German translation of the claims
Aug 8, 2018
Letter accompanying subsequently filed items
Apr 3, 2018
Annex to the communication about intention to grant a European patent
Apr 3, 2018
Bibliographic data of the European patent application
Apr 3, 2018
Communication about intention to grant a European patent
Apr 3, 2018
Intention to grant (signatures)
Apr 3, 2018
Text intended for grant (clean copy)
Apr 3, 2018
Text intended for grant (version for approval)
Jul 24, 2017
Annex to the communication
Jul 24, 2017
Consultation by telephone/in person
Jul 24, 2017
Result of consultation by telephone/in person
Jan 11, 2017
(Electronic) Receipt
Jan 11, 2017
Amended claims with annotations
Jan 11, 2017
Amended description with annotations
Jan 11, 2017
Claims
Jan 11, 2017
Description
Jan 11, 2017
Letter accompanying subsequently filed items
Jan 11, 2017
Non-patent literature cited during the examination procedure
Jan 11, 2017
Non-patent literature cited during the examination procedure
Jan 11, 2017
Non-patent literature cited during the examination procedure
Jan 11, 2017
Non-patent literature cited during the examination procedure
Jan 11, 2017
Reply to communication from the Examining Division
Sep 2, 2016
Annex to the communication
Sep 2, 2016
Communication from the Examining Division
Jun 3, 2016
(Electronic) Receipt
Jun 3, 2016
Annex
Jun 3, 2016
Annex
Jun 3, 2016
Annex
Jun 3, 2016
Letter accompanying subsequently filed items
Jun 3, 2016
Reply to communication from the Examining Division
Feb 2, 2016
Annex to a communication
Feb 2, 2016
Annex to the communication
Feb 2, 2016
Communication from the Examining Division
Oct 9, 2015
(Electronic) Receipt
Oct 9, 2015
Letter accompanying subsequently filed items
Oct 9, 2015
Reply to communication from the Examining Division
Jun 1, 2015
Annex to the communication
Jun 1, 2015
Communication from the Examining Division
May 20, 2015
Examination started
Dec 16, 2014
(Electronic) Receipt
Dec 16, 2014
Letter accompanying subsequently filed items
Dec 16, 2014
Reply to Written Opinion prepared by the EPO
Dec 12, 2014
Acknowledgement of receipt of third party observations
Dec 12, 2014
Transmittal of third party observations to applicant
Dec 3, 2014
Non-patent literature cited during the examination procedure
Dec 3, 2014
Non-patent literature cited during the examination procedure
Dec 3, 2014
Observations by third parties
Dec 3, 2014
Patent document cited during the examination procedure
Dec 3, 2014
Patent document cited during the examination procedure
Dec 3, 2014
Patent document cited during the examination procedure
Oct 29, 2014
Notification on forthcoming publication of bibliographic data
Oct 27, 2014
Brief communication to applicant/representative
Oct 1, 2014
Annexes to the international preliminary examination report
Oct 1, 2014
Copy of the international preliminary examination report
Oct 1, 2014
Reply to Written Opinion prepared by the EPO
Sep 23, 2014
Communication regarding comments on written opinion/amendment of application/payment of claims fee
Sep 22, 2014
Communication for party to proceedings/third party
Sep 16, 2014
Priority search results copy provided by EPO
Sep 10, 2014
Annex to International preliminary examination report
Sep 10, 2014
International preliminary examination report
Sep 10, 2014
International preliminary examination report - free text sheet
Sep 10, 2014
International preliminary examination report - points I-VIII
Sep 10, 2014
Notification of documents sent to WIPO
Sep 10, 2014
Transmittal of International Preliminary Examination Report
Sep 5, 2014
(Electronic) Receipt
Sep 5, 2014
Annex to International preliminary examination report
Sep 5, 2014
Authorisation
Sep 5, 2014
Letter accompanying subsequently filed items
Sep 5, 2014
Notification of documents sent to WIPO
Sep 5, 2014
Submission concerning representation
Aug 25, 2014
Communication to designated inventor
Aug 25, 2014
Communication to designated inventor
Aug 25, 2014
Communication to designated inventor
Aug 14, 2014
(Electronic) Receipt
Aug 14, 2014
Amended claims filed after receipt of (European) search report
Aug 14, 2014
Request for entry into the European phase
Aug 4, 2014
Annexes to the international preliminary examination report
Aug 4, 2014
Copy of the international preliminary examination report
Aug 4, 2014
Reply to Written Opinion prepared by the EPO
Jul 16, 2014
Annex to International preliminary examination report
Jul 16, 2014
International preliminary examination report
Jul 16, 2014
International preliminary examination report - free text sheet
Jul 16, 2014
International preliminary examination report - points I-VIII
Jul 16, 2014
Notification of documents sent to WIPO
Jul 16, 2014
Transmittal of International Preliminary Examination Report
Jun 2, 2014
Information on entry into European phase
Jan 31, 2014
PCT(IPEA): Amended sheet - claims
Jan 31, 2014
PCT(IPEA): Amended sheet - claims
Jan 31, 2014
Reply to communication PCT/IPEA/408
Jan 28, 2014
PCT(IPEA): Amended sheet - claims
Jan 28, 2014
PCT(IPEA): Amended sheet - claims
Jan 28, 2014
Reply to communication PCT/IPEA/408
Dec 18, 2013
Notification of election of EPO
Dec 11, 2013
Written opinion
Dec 11, 2013
Written opinion - free text sheet
Dec 11, 2013
Written opinion - points I-VIII
Nov 22, 2013
Notification of receipt of demand
Nov 8, 2013
Non-patent literature cited during the examination procedure
Nov 8, 2013
PCT demand form
Nov 6, 2013
Document concerning fees and payments
Nov 6, 2013
Non-patent literature cited during the examination procedure
Nov 6, 2013
PCT demand form
Nov 6, 2013
Payment of fees and costs
Sep 13, 2013
Priority document (electronically transmitted)
Jul 25, 2013
Copy of the international search report
May 14, 2013
Written opinion of the ISA, boxes No. I to VIII
May 14, 2013
Written opinion of the ISA, cover sheet
May 14, 2013
Written opinion of the ISA, supplemental box
Mar 25, 2013
Submission concerning representation
Jan 17, 2013
(Electronic) Receipt
Jan 17, 2013
Abstract
Jan 17, 2013
Claims
Jan 17, 2013
Description

EP2804940

TAMINCO

Application Number: EP13703739A
Filing Date: Jan 17, 2013
Status: Revoked; Nov 27, 2023
Publication Date: Sep 19, 2018
External Links: Slate, Register , Google Patents

IP Verse

Use Of Improved N-Alkyl Pyrrolidone Solvents

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Dossier Documents

EP2804940