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IP Verse

Highly-Concentrated Flowable Salts Of Alkyl Polyalkoxy Sulphates - EP2688977

The patent EP2688977 was granted to Sasol Germany on Jun 3, 2020. The application was originally filed on Mar 23, 2012 under application number EP12711345A. The patent is currently recorded with a legal status of "Patent Maintained As Amended".

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

Patent Summary

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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	Opposition Status
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BASF	Jul 30, 2018	BUCHEL	WITHDRAWN

Patent Citations (19) New

Patent citations refer to prior patents cited during different phases such as opposition or international search.

Citation Phase	Publication Number
INTERNATIONAL-SEARCH-REPORT	DE19714043
INTERNATIONAL-SEARCH-REPORT	EP0167337
INTERNATIONAL-SEARCH-REPORT	GB2168095
INTERNATIONAL-SEARCH-REPORT	US3893955
INTERNATIONAL-SEARCH-REPORT	US3931271
INTERNATIONAL-SEARCH-REPORT	US4886120
OPPOSITION	EP0003183
OPPOSITION	EP0024711
OPPOSITION	EP0052801
OPPOSITION	EP0167337
OPPOSITION	GB2168095
OPPOSITION	JPH0734089
OPPOSITION	US3843706
OPPOSITION	US4411815
OPPOSITION	US4483787
OPPOSITION	US6222077
OPPOSITION	WO2009100298
OPPOSITION	WO2009100301
OPPOSITION	WO2011045254

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
OPPO
May 4, 2020
Termination of the opposition proceedings with maintenance of patent
OPPO
Apr 24, 2020
(Electronic) Receipt
OPPO
Apr 24, 2020
Filing of the translation of the amended claims
OPPO
Apr 24, 2020
French translation of claims
OPPO
Apr 24, 2020
German translation of the claims
OPPO
Apr 24, 2020
Letter accompanying subsequently filed items
OPPO
Mar 3, 2020
Communication of bibliographic data
OPPO
Mar 3, 2020
Communication with request to file translations
OPPO
Feb 24, 2020
Maintenance of the patent with the documents specified in the final decision
OPPO
Nov 4, 2019
Advice of delivery
OPPO
Oct 30, 2019
Advice of delivery
OPPO
Oct 28, 2019
Acknowledgement of a document
OPPO
Oct 28, 2019
Decision of the Opposition Division and instruction
OPPO
Oct 28, 2019
Druckexemplar in opposition procedure
OPPO
Oct 28, 2019
Grounds for the decision (Annex) - opposition
OPPO
Oct 28, 2019
Interlocutory decision in opposition proceedings
OPPO
Oct 28, 2019
Internal form - Opposition/addressees
OPPO
Oct 28, 2019
Means of redress
OPPO
Sep 17, 2019
Notification concerning the date of oral proceedings
OPPO
Jul 5, 2019
(Electronic) Receipt
OPPO
Jul 5, 2019
Claims
OPPO
Jul 5, 2019
Letter accompanying subsequently filed items
OPPO
Jul 5, 2019
Written submission in preparation to/during oral proceedings
OPPO
Jun 3, 2019
Notification concerning the date of oral proceedings
OPPO
May 27, 2019
Brief communication - Opposition proceedings
OPPO
May 27, 2019
Brief communication - Opposition proceedings
OPPO
May 22, 2019
(Electronic) Receipt
OPPO
May 22, 2019
Letter accompanying subsequently filed items
OPPO
May 22, 2019
Withdrawal of an opposition
OPPO
Apr 23, 2019
Advice of delivery
OPPO
Apr 17, 2019
Advice of delivery
OPPO
Apr 15, 2019
Advice of delivery
OPPO
Apr 12, 2019
Advice of delivery
OPPO
Apr 10, 2019
Acknowledgement of a document
OPPO
Apr 10, 2019
Acknowledgement of a document
OPPO
Apr 10, 2019
Annex to the communication - opposition
OPPO
Apr 10, 2019
Information concerning oral proceedings
OPPO
Apr 10, 2019
Information concerning oral proceedings
OPPO
Apr 10, 2019
Summons to attend oral proceedings
OPPO
Apr 10, 2019
Summons to attend oral proceedings
OPPO
Feb 6, 2019
Communication of amended entries
OPPO
Jan 9, 2019
Brief communication - Opposition proceedings
OPPO
Dec 28, 2018
Request concerning representative opponent
OPPO
Dec 21, 2018
(Electronic) Receipt
OPPO
Dec 21, 2018
Citation in opposition procedure
OPPO
Dec 21, 2018
Citation in opposition procedure
OPPO
Dec 21, 2018
Citation in opposition procedure
OPPO
Dec 21, 2018
Claims
OPPO
Dec 21, 2018
Claims
OPPO
Dec 21, 2018
Letter accompanying subsequently filed items
OPPO
Dec 21, 2018
Reply of the patent proprietor to the notice(s) of opposition
OPPO
Dec 21, 2018
Request concerning representative opponent
OPPO
Aug 16, 2018
Communication of a notice of opposition and request to file observations
OPPO
Aug 16, 2018
Notice of further oppositions to opponent(s)
OPPO
Aug 6, 2018
Communication of a notice of opposition - first information to patent proprietor
OPPO
Jul 30, 2018
(Electronic) Receipt
OPPO
Jul 30, 2018
Citation in opposition procedure
OPPO
Jul 30, 2018
Citation in opposition procedure
OPPO
Jul 30, 2018
Non-patent literature cited during the opposition procedure
OPPO
Jul 30, 2018
Non-patent literature cited during the opposition procedure
OPPO
Jul 30, 2018
Non-patent literature cited during the opposition procedure
OPPO
Jul 30, 2018
Non-patent literature cited during the opposition procedure
OPPO
Jul 30, 2018
Non-patent literature cited during the opposition procedure
OPPO
Jul 30, 2018
Non-patent literature cited during the opposition procedure
OPPO
Jul 30, 2018
Notice of opposition
OPPO
Jul 30, 2018
Notice of opposition
OPPO
Jul 30, 2018
Patent document cited during the opposition procedure
OPPO
Jul 30, 2018
Patent document cited during the opposition procedure
OPPO
Jul 30, 2018
Patent document cited during the opposition procedure
OPPO
Jul 30, 2018
Patent document cited during the opposition procedure
OPPO
Jul 30, 2018
Patent document cited during the opposition procedure
OPPO
Jul 30, 2018
Patent document cited during the opposition procedure
OPPO
Jul 30, 2018
Patent document cited during the opposition procedure
OPPO
Jul 30, 2018
Patent document cited during the opposition procedure
OPPO
Jul 30, 2018
Patent document cited during the opposition procedure
OPPO
Jul 30, 2018
Patent document cited during the opposition procedure
OPPO
Jul 30, 2018
Patent document cited during the opposition procedure
OPPO
Jul 30, 2018
Patent document cited during the opposition procedure
OPPO
Nov 17, 2017
Communication concerning correction of publication errors in European patent specification
Search/Exam
Nov 17, 2017
Letter concerning publication issues
Search/Exam
Nov 10, 2017
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Search/Exam
Oct 6, 2017
Decision to grant a European patent
Search/Exam
Sep 20, 2017
Bibliographic data of the European patent application
Search/Exam
Sep 20, 2017
Information about intention to grant a patent
Search/Exam
Sep 20, 2017
Intention to grant (signatures)
Search/Exam
Sep 20, 2017
Text intended for grant (clean copy)
Search/Exam
Sep 20, 2017
Text intended for grant (version for approval)
Search/Exam
Jul 17, 2017
Processing of request for correction of text proposed for grant or third party observations (from 01-04-2012)
Search/Exam
Jul 12, 2017
Amended claims with annotations
Search/Exam
Jul 12, 2017
Claims
Search/Exam
Jul 12, 2017
French translation of claims
Search/Exam
Jul 12, 2017
German translation of the claims
Search/Exam
Jul 12, 2017
Payment of fees and costs
Search/Exam
Jul 12, 2017
Request for correction/amendment of the text proposed for grant sent from 01.04.2012
Search/Exam
Jul 7, 2017
Amended claims with annotations
Search/Exam
Jul 7, 2017
Claims
Search/Exam
Jul 7, 2017
Payment of fees and costs
Search/Exam
Jul 7, 2017
Payment of fees and costs
Search/Exam
Jul 7, 2017
Request for correction/amendment of the text proposed for grant sent from 01.04.2012
Search/Exam
Jul 7, 2017
Translation of the claims
Search/Exam
Jul 7, 2017
Translation of the claims
Search/Exam
Jul 4, 2017
Processing of request for correction of text proposed for grant or third party observations (from 01-04-2012)
Search/Exam
Jul 4, 2017
Processing of request for correction of text proposed for grant or third party observations (from 01-04-2012)
Search/Exam
May 22, 2017
Transmittal of third party observations to applicant
Search/Exam
May 12, 2017
Non-patent literature filed by a third party
Search/Exam
May 12, 2017
Observations by third parties
Search/Exam
Mar 28, 2017
Payment of fees and costs
Search/Exam
Mar 28, 2017
Payment of fees and costs
Search/Exam
Mar 1, 2017
Bibliographic data of the European patent application
Search/Exam
Mar 1, 2017
Communication about intention to grant a European patent
Search/Exam
Mar 1, 2017
Intention to grant (signatures)
Search/Exam
Mar 1, 2017
Text intended for grant (clean copy)
Search/Exam
Mar 1, 2017
Text intended for grant (version for approval)
Search/Exam
Mar 29, 2016
Letter concerning fees and payments
Search/Exam
Mar 29, 2016
Payment of fees and costs
Search/Exam
Mar 23, 2016
Amended description with annotations
Search/Exam
Mar 23, 2016
Description
Search/Exam
Mar 23, 2016
Reply to communication from the Examining Division
Search/Exam
Mar 18, 2016
Amended description with annotations
Search/Exam
Mar 18, 2016
Description
Search/Exam
Mar 18, 2016
Reply to communication from the Examining Division
Search/Exam
Nov 11, 2015
Annex to the communication
Search/Exam
Nov 11, 2015
Communication from the Examining Division
Search/Exam
Nov 3, 2015
Examination started
Search/Exam
May 21, 2015
Response to enquiry for communication from the Examining Division
Search/Exam
May 20, 2015
Enquiry as to when a communication from the Examining Division can be expected
Search/Exam
May 13, 2015
Enquiry as to when a communication from the Examining Division can be expected
Search/Exam
Mar 24, 2015
Payment of fees and costs
Search/Exam
Mar 24, 2015
Payment of fees and costs
Search/Exam
May 27, 2014
Amended claims filed after receipt of (European) search report
Search/Exam
May 27, 2014
Amended claims with annotations
Search/Exam
May 27, 2014
Amendments received before examination
Search/Exam
May 23, 2014
Amended claims filed after receipt of (European) search report
Search/Exam
May 23, 2014
Amended claims with annotations
Search/Exam
May 23, 2014
Amendments received before examination
Search/Exam
Mar 26, 2014
Payment of fees and costs
Search/Exam
Mar 25, 2014
Letter concerning fees and payments
Search/Exam
Mar 25, 2014
Payment of fees and costs
Search/Exam
Mar 19, 2014
Submission concerning representation
Search/Exam
Jan 24, 2014
Letter concerning the priority
Search/Exam
Jan 24, 2014
Letter concerning the priority
Search/Exam
Jan 23, 2014
Letter concerning the priority
Search/Exam
Jan 23, 2014
Letter concerning the priority
Search/Exam
Jan 7, 2014
Notification on forthcoming publication of bibliographic data
Search/Exam
Dec 6, 2013
Invitation to file priority document
Search/Exam
Nov 18, 2013
Refund of fees
Search/Exam
Nov 13, 2013
Communication regarding comments on written opinion/amendment of application/payment of claims fee
Search/Exam
Nov 11, 2013
Communication to designated inventor
Search/Exam
Nov 11, 2013
Communication to designated inventor
Search/Exam
Oct 23, 2013
(Electronic) Receipt
Search/Exam
Oct 23, 2013
Amended claims filed after receipt of (European) search report
Search/Exam
Oct 23, 2013
Amended claims filed after receipt of (European) search report
Search/Exam
Oct 23, 2013
Amended claims with annotations
Search/Exam
Oct 23, 2013
Amended claims with annotations
Search/Exam
Oct 23, 2013
Payment of fees and costs
Search/Exam
Oct 23, 2013
Payment of fees and costs
Search/Exam
Oct 23, 2013
Request for entry into the European phase
Search/Exam
Oct 23, 2013
Request for entry into the European phase
Search/Exam
Oct 1, 2013
Annexes to the international preliminary examination report
Search/Exam
Oct 1, 2013
Copy of the international preliminary examination report
Search/Exam
Jul 31, 2013
Information on entry into European phase
Search/Exam
Jul 4, 2013
Annex to International preliminary examination report
PCT2
Jul 4, 2013
International preliminary examination report
PCT2
Jul 4, 2013
International preliminary examination report
PCT2
Jul 4, 2013
International preliminary examination report - free text sheet
PCT2
Jul 4, 2013
International preliminary examination report - free text sheet
PCT2
Jul 4, 2013
International preliminary examination report - points I-VIII
PCT2
Jul 4, 2013
International preliminary examination report - points I-VIII
PCT2
Jul 4, 2013
Notification of documents sent to WIPO
PCT2
Jul 4, 2013
Transmittal of International Preliminary Examination Report
PCT2
May 29, 2013
PCT(IPEA): Amended sheet - claims
PCT2
May 29, 2013
PCT(IPEA): Amended sheet - claims
PCT2
May 29, 2013
Reply to communication PCT/IPEA/408
PCT2
May 27, 2013
PCT(IPEA): Amended sheet - claims
PCT2
May 27, 2013
PCT(IPEA): Amended sheet - claims
PCT2
May 27, 2013
Reply to communication PCT/IPEA/408
PCT2
May 15, 2013
Request for extension of time limit
PCT2
May 13, 2013
Request for extension of time limit
PCT2
Mar 12, 2013
Written opinion
PCT2
Mar 12, 2013
Written opinion - free text sheet
PCT2
Mar 12, 2013
Written opinion - points I-VIII
PCT2
Mar 5, 2013
Notification of election of EPO
Search/Exam
Feb 7, 2013
Notification of documents sent to WIPO
PCT2
Feb 7, 2013
Notification of receipt of demand
PCT2
Jan 25, 2013
PCT demand form
PCT2
Jan 25, 2013
PCT(IPEA): Amended sheet - claims
PCT2
Jan 25, 2013
PCT(IPEA): Amended sheet - claims
PCT2
Jan 23, 2013
PCT demand form
PCT2
Jan 23, 2013
PCT demand form
PCT2
Jan 23, 2013
PCT(IPEA): Amended sheet - claims
PCT2
Jan 23, 2013
PCT(IPEA): Amended sheet - claims
PCT2
Jan 23, 2013
PCT(IPEA): Amended sheet - claims
PCT2
Jan 23, 2013
PCT(IPEA): Amended sheet - claims
PCT2
Jan 23, 2013
Payment of fees and costs
PCT2
Jan 23, 2013
Payment of fees and costs
PCT2
Jan 23, 2013
Payment of fees and costs
PCT2
Jan 23, 2013
Payment of fees and costs
PCT2
Jan 23, 2013
Payment of fees and costs
Search/Exam
Sep 27, 2012
Copy of the international search report
Search/Exam
Sep 27, 2012
Published international application - A1
Search/Exam
Jul 11, 2012
Written opinion of the ISA, boxes No. I to VIII
PCTISA
Jul 11, 2012
Written opinion of the ISA, cover sheet
PCTISA
Jul 11, 2012
Written opinion of the ISA, supplemental box
PCTISA
Mar 27, 2012
Abstract
PCTRO
Mar 27, 2012
Claims
PCTRO
Mar 27, 2012
Description
PCTRO