Highly-Concentrated Flowable Salts Of Alkyl Polyalkoxy Sulphates

Patent No. EP2688977 (titled "Highly-Concentrated Flowable Salts Of Alkyl Polyalkoxy Sulphates") was filed by Sasol Germany on Mar 23, 2012. The application was issued on Jun 3, 2020.

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	Jul 30, 2018	BUCHEL

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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May 8, 2020
Decision to maintain the European patent in amended form
May 4, 2020
Termination of the opposition proceedings with maintenance of patent
Apr 24, 2020
(Electronic) Receipt
Apr 24, 2020
Filing of the translation of the amended claims
Apr 24, 2020
French translation of claims
Apr 24, 2020
German translation of the claims
Apr 24, 2020
Letter accompanying subsequently filed items
Mar 3, 2020
Communication of bibliographic data
Mar 3, 2020
Communication with request to file translations
Feb 24, 2020
Maintenance of the patent with the documents specified in the final decision
Nov 4, 2019
Advice of delivery
Oct 30, 2019
Advice of delivery
Oct 28, 2019
Acknowledgement of a document
Oct 28, 2019
Decision of the Opposition Division and instruction
Oct 28, 2019
Druckexemplar in opposition procedure
Oct 28, 2019
Grounds for the decision (Annex) - opposition
Oct 28, 2019
Interlocutory decision in opposition proceedings
Oct 28, 2019
Internal form - Opposition/addressees
Oct 28, 2019
Means of redress
Sep 17, 2019
Notification concerning the date of oral proceedings
Jul 5, 2019
(Electronic) Receipt
Jul 5, 2019
Claims
Jul 5, 2019
Letter accompanying subsequently filed items
Jul 5, 2019
Written submission in preparation to/during oral proceedings
Jun 3, 2019
Notification concerning the date of oral proceedings
May 27, 2019
Brief communication - Opposition proceedings
May 27, 2019
Brief communication - Opposition proceedings
May 22, 2019
(Electronic) Receipt
May 22, 2019
Letter accompanying subsequently filed items
May 22, 2019
Withdrawal of an opposition
Apr 23, 2019
Advice of delivery
Apr 17, 2019
Advice of delivery
Apr 15, 2019
Advice of delivery
Apr 12, 2019
Advice of delivery
Apr 10, 2019
Acknowledgement of a document
Apr 10, 2019
Acknowledgement of a document
Apr 10, 2019
Annex to the communication - opposition
Apr 10, 2019
Information concerning oral proceedings
Apr 10, 2019
Information concerning oral proceedings
Apr 10, 2019
Summons to attend oral proceedings
Apr 10, 2019
Summons to attend oral proceedings
Feb 6, 2019
Communication of amended entries
Jan 9, 2019
Brief communication - Opposition proceedings
Dec 28, 2018
Request concerning representative opponent
Dec 21, 2018
(Electronic) Receipt
Dec 21, 2018
Citation in opposition procedure
Dec 21, 2018
Citation in opposition procedure
Dec 21, 2018
Citation in opposition procedure
Dec 21, 2018
Claims
Dec 21, 2018
Claims
Dec 21, 2018
Letter accompanying subsequently filed items
Dec 21, 2018
Reply of the patent proprietor to the notice(s) of opposition
Dec 21, 2018
Request concerning representative opponent
Aug 16, 2018
Communication of a notice of opposition and request to file observations
Aug 16, 2018
Notice of further oppositions to opponent(s)
Aug 6, 2018
Communication of a notice of opposition - first information to patent proprietor
Jul 30, 2018
(Electronic) Receipt
Jul 30, 2018
Citation in opposition procedure
Jul 30, 2018
Citation in opposition procedure
Jul 30, 2018
Non-patent literature cited during the opposition procedure
Jul 30, 2018
Non-patent literature cited during the opposition procedure
Jul 30, 2018
Non-patent literature cited during the opposition procedure
Jul 30, 2018
Non-patent literature cited during the opposition procedure
Jul 30, 2018
Non-patent literature cited during the opposition procedure
Jul 30, 2018
Non-patent literature cited during the opposition procedure
Jul 30, 2018
Notice of opposition
Jul 30, 2018
Notice of opposition
Jul 30, 2018
Patent document cited during the opposition procedure
Jul 30, 2018
Patent document cited during the opposition procedure
Jul 30, 2018
Patent document cited during the opposition procedure
Jul 30, 2018
Patent document cited during the opposition procedure
Jul 30, 2018
Patent document cited during the opposition procedure
Jul 30, 2018
Patent document cited during the opposition procedure
Jul 30, 2018
Patent document cited during the opposition procedure
Jul 30, 2018
Patent document cited during the opposition procedure
Jul 30, 2018
Patent document cited during the opposition procedure
Jul 30, 2018
Patent document cited during the opposition procedure
Jul 30, 2018
Patent document cited during the opposition procedure
Jul 30, 2018
Patent document cited during the opposition procedure
Nov 17, 2017
Communication concerning correction of publication errors in European patent specification
Nov 17, 2017
Letter concerning publication issues
Nov 10, 2017
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Oct 6, 2017
Decision to grant a European patent
Sep 20, 2017
Bibliographic data of the European patent application
Sep 20, 2017
Information about intention to grant a patent
Sep 20, 2017
Intention to grant (signatures)
Sep 20, 2017
Text intended for grant (clean copy)
Sep 20, 2017
Text intended for grant (version for approval)
Jul 17, 2017
Processing of request for correction of text proposed for grant or third party observations (from 01-04-2012)
Jul 12, 2017
Amended claims with annotations
Jul 12, 2017
Claims
Jul 12, 2017
French translation of claims
Jul 12, 2017
German translation of the claims
Jul 12, 2017
Payment of fees and costs
Jul 12, 2017
Request for correction/amendment of the text proposed for grant sent from 01.04.2012
Jul 7, 2017
Amended claims with annotations
Jul 7, 2017
Claims
Jul 7, 2017
Payment of fees and costs
Jul 7, 2017
Payment of fees and costs
Jul 7, 2017
Request for correction/amendment of the text proposed for grant sent from 01.04.2012
Jul 7, 2017
Translation of the claims
Jul 7, 2017
Translation of the claims
Jul 4, 2017
Processing of request for correction of text proposed for grant or third party observations (from 01-04-2012)
Jul 4, 2017
Processing of request for correction of text proposed for grant or third party observations (from 01-04-2012)
May 22, 2017
Transmittal of third party observations to applicant
May 12, 2017
Non-patent literature filed by a third party
May 12, 2017
Observations by third parties
Mar 28, 2017
Payment of fees and costs
Mar 28, 2017
Payment of fees and costs
Mar 1, 2017
Bibliographic data of the European patent application
Mar 1, 2017
Communication about intention to grant a European patent
Mar 1, 2017
Intention to grant (signatures)
Mar 1, 2017
Text intended for grant (clean copy)
Mar 1, 2017
Text intended for grant (version for approval)
Mar 29, 2016
Letter concerning fees and payments
Mar 29, 2016
Payment of fees and costs
Mar 23, 2016
Amended description with annotations
Mar 23, 2016
Description
Mar 23, 2016
Reply to communication from the Examining Division
Mar 18, 2016
Amended description with annotations
Mar 18, 2016
Description
Mar 18, 2016
Reply to communication from the Examining Division
Nov 11, 2015
Annex to the communication
Nov 11, 2015
Communication from the Examining Division
Nov 3, 2015
Examination started
May 21, 2015
Response to enquiry for communication from the Examining Division
May 20, 2015
Enquiry as to when a communication from the Examining Division can be expected
May 13, 2015
Enquiry as to when a communication from the Examining Division can be expected
Mar 24, 2015
Payment of fees and costs
Mar 24, 2015
Payment of fees and costs
May 27, 2014
Amended claims filed after receipt of (European) search report
May 27, 2014
Amended claims with annotations
May 27, 2014
Amendments received before examination
May 23, 2014
Amended claims filed after receipt of (European) search report
May 23, 2014
Amended claims with annotations
May 23, 2014
Amendments received before examination
Mar 26, 2014
Payment of fees and costs
Mar 25, 2014
Letter concerning fees and payments
Mar 25, 2014
Payment of fees and costs
Mar 19, 2014
Submission concerning representation
Jan 24, 2014
Letter concerning the priority
Jan 24, 2014
Letter concerning the priority
Jan 23, 2014
Letter concerning the priority
Jan 23, 2014
Letter concerning the priority
Jan 7, 2014
Notification on forthcoming publication of bibliographic data
Dec 6, 2013
Invitation to file priority document
Nov 18, 2013
Refund of fees
Nov 13, 2013
Communication regarding comments on written opinion/amendment of application/payment of claims fee
Nov 11, 2013
Communication to designated inventor
Nov 11, 2013
Communication to designated inventor
Oct 23, 2013
(Electronic) Receipt
Oct 23, 2013
Amended claims filed after receipt of (European) search report
Oct 23, 2013
Amended claims filed after receipt of (European) search report
Oct 23, 2013
Amended claims with annotations
Oct 23, 2013
Amended claims with annotations
Oct 23, 2013
Payment of fees and costs
Oct 23, 2013
Payment of fees and costs
Oct 23, 2013
Request for entry into the European phase
Oct 23, 2013
Request for entry into the European phase
Oct 1, 2013
Annexes to the international preliminary examination report
Oct 1, 2013
Copy of the international preliminary examination report
Jul 31, 2013
Information on entry into European phase
Jul 4, 2013
Annex to International preliminary examination report
Jul 4, 2013
International preliminary examination report
Jul 4, 2013
International preliminary examination report
Jul 4, 2013
International preliminary examination report - free text sheet
Jul 4, 2013
International preliminary examination report - free text sheet
Jul 4, 2013
International preliminary examination report - points I-VIII
Jul 4, 2013
International preliminary examination report - points I-VIII
Jul 4, 2013
Notification of documents sent to WIPO
Jul 4, 2013
Transmittal of International Preliminary Examination Report
May 29, 2013
PCT(IPEA): Amended sheet - claims
May 29, 2013
PCT(IPEA): Amended sheet - claims
May 29, 2013
Reply to communication PCT/IPEA/408
May 27, 2013
PCT(IPEA): Amended sheet - claims
May 27, 2013
PCT(IPEA): Amended sheet - claims
May 27, 2013
Reply to communication PCT/IPEA/408
May 15, 2013
Request for extension of time limit
May 13, 2013
Request for extension of time limit
Mar 12, 2013
Written opinion
Mar 12, 2013
Written opinion - free text sheet
Mar 12, 2013
Written opinion - points I-VIII
Mar 5, 2013
Notification of election of EPO
Feb 7, 2013
Notification of documents sent to WIPO
Feb 7, 2013
Notification of receipt of demand
Jan 25, 2013
PCT demand form
Jan 25, 2013
PCT(IPEA): Amended sheet - claims
Jan 25, 2013
PCT(IPEA): Amended sheet - claims
Jan 23, 2013
PCT demand form
Jan 23, 2013
PCT demand form
Jan 23, 2013
PCT(IPEA): Amended sheet - claims
Jan 23, 2013
PCT(IPEA): Amended sheet - claims
Jan 23, 2013
PCT(IPEA): Amended sheet - claims
Jan 23, 2013
PCT(IPEA): Amended sheet - claims
Jan 23, 2013
Payment of fees and costs
Jan 23, 2013
Payment of fees and costs
Jan 23, 2013
Payment of fees and costs
Jan 23, 2013
Payment of fees and costs
Jan 23, 2013
Payment of fees and costs
Sep 27, 2012
Copy of the international search report
Sep 27, 2012
Published international application - A1
Jul 11, 2012
Written opinion of the ISA, boxes No. I to VIII
Jul 11, 2012
Written opinion of the ISA, cover sheet
Jul 11, 2012
Written opinion of the ISA, supplemental box
Mar 27, 2012
Abstract
Mar 27, 2012
Claims
Mar 27, 2012
Description

EP2688977

SASOL GERMANY

Application Number: EP12711345A
Filing Date: Mar 23, 2012
Status: Patent Maintained As Amended; May 1, 2020
Publication Date: Jun 3, 2020
External Links: Slate, Register , Google Patents

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Highly-Concentrated Flowable Salts Of Alkyl Polyalkoxy Sulphates

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Dossier Documents

EP2688977