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Improved Method Of Achieving And Maintaining A Specified Alkylene Oxide Production Parameter With A High Efficiency Catalyst

Patent No. EP2421841 (titled "Improved Method Of Achieving And Maintaining A Specified Alkylene Oxide Production Parameter With A High Efficiency Catalyst") was filed by DOW Technology Investments on Apr 20, 2010. The application was issued on Dec 26, 2018.

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
BASF	Sep 26, 2019	BASF ASSOCIATION

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 9, 2020
Communication to the parties concerning the termination of the opposition proceedings (opponent)
Jul 9, 2020
Communication to the parties concerning the termination of the opposition proceedings (proprietor)
Jul 6, 2020
Termination of the opposition proceedings with revocation of patent
Feb 14, 2020
Advice of delivery
Feb 13, 2020
Advice of delivery
Feb 11, 2020
Acknowledgement of a document
Feb 11, 2020
Acknowledgement of a document
Feb 11, 2020
Brief communication - Opposition proceedings
Feb 11, 2020
Decision revoking the European patent
Feb 11, 2020
Decision revoking the European patent
Feb 6, 2020
(Electronic) Receipt
Feb 6, 2020
Letter accompanying subsequently filed items
Feb 6, 2020
Request for revocation of patent
Oct 9, 2019
Communication of a notice of opposition and request to file observations
Oct 9, 2019
Notice of further oppositions to opponent(s)
Oct 2, 2019
Communication of a notice of opposition - first information to patent proprietor
Sep 26, 2019
(Electronic) Receipt
Sep 26, 2019
Citation in opposition procedure - 001
Sep 26, 2019
Citation in opposition procedure - 002
Sep 26, 2019
Citation in opposition procedure - 003
Sep 26, 2019
Citation in opposition procedure - 004
Sep 26, 2019
Citation in opposition procedure - 005
Sep 26, 2019
Citation in opposition procedure - 006
Sep 26, 2019
Citation in opposition procedure - 007
Sep 26, 2019
Citation in opposition procedure - 008
Sep 26, 2019
Citation in opposition procedure - 009
Sep 26, 2019
Consolidated list of cited opposition documents
Sep 26, 2019
Notice of opposition
Sep 26, 2019
Notice of opposition
Sep 26, 2019
Published international application - A1
Mar 28, 2019
Submission concerning representation
Jan 9, 2019
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Nov 29, 2018
Decision to grant a European patent
Nov 19, 2018
Bibliographic data of the European patent application
Nov 19, 2018
Brief communication to applicant/representative
Nov 13, 2018
(Electronic) Receipt
Nov 13, 2018
Filing of the translations of the claims
Nov 13, 2018
French translation of claims
Nov 13, 2018
German translation of the claims
Nov 13, 2018
Letter accompanying subsequently filed items
Jul 16, 2018
Bibliographic data of the European patent application
Jul 16, 2018
Communication about intention to grant a European patent
Jul 16, 2018
Intention to grant (signatures)
Jul 16, 2018
Text intended for grant (clean copy)
Jul 16, 2018
Text intended for grant (version for approval)
May 4, 2018
Transmittal of third party observations to applicant
Apr 19, 2018
Observations by third parties
Jan 5, 2018
(Electronic) Receipt
Jan 5, 2018
Amended claims with annotations
Jan 5, 2018
Claims
Jan 5, 2018
Letter accompanying subsequently filed items
Jan 5, 2018
Reply to communication from the Examining Division
Dec 13, 2017
Confirmation of revocation of automatic debit order
Dec 8, 2017
Letter relating to the automatic debiting procedure
Nov 9, 2017
Grant of extension of time limit (examination procedure)
Nov 6, 2017
(Electronic) Receipt
Nov 6, 2017
Request for extension of time limit to communication from the Examining Division
Jul 12, 2017
Annex to the communication
Jul 12, 2017
Communication from the Examining Division
Nov 9, 2016
Transmittal of third party observations to applicant
Nov 3, 2016
Observations by third parties
Feb 26, 2016
(Electronic) Receipt
Feb 26, 2016
Amended claims filed after receipt of (European) search report
Feb 26, 2016
Amended claims with annotations
Feb 26, 2016
Letter accompanying subsequently filed items
Feb 26, 2016
Reply to communication from the Examining Division
Jan 12, 2016
Annex to the communication
Jan 12, 2016
Communication from the Examining Division
Mar 17, 2014
Communication of amended entries concerning the representative
Mar 14, 2014
(Electronic) Receipt
Mar 14, 2014
Amended claims with annotations
Mar 14, 2014
Claims
Mar 14, 2014
Letter accompanying subsequently filed items
Mar 14, 2014
Reply to communication from the Examining Division
Mar 7, 2014
Submission concerning change of applicant's representative
Nov 6, 2013
Annex to the communication
Nov 6, 2013
Communication from the Examining Division
Oct 29, 2013
Examination started
Jun 8, 2012
(Electronic) Receipt
Jun 8, 2012
Amended claims filed after receipt of (European) search report
Jun 8, 2012
Amended claims with annotations
Jun 8, 2012
Amendments received before examination
Jun 8, 2012
Letter accompanying subsequently filed items
Feb 1, 2012
Notification on forthcoming publication of bibliographic data
Dec 2, 2011
Communication concerning correction of deficiencies in written opinion/amendment of application/payment of claims fee
Nov 1, 2011
Copy of the international preliminary examination report
Oct 13, 2011
(Electronic) Receipt
Oct 13, 2011
Request for entry into the European phase
Sep 2, 2011
Information on entry into European phase
Aug 19, 2011
International preliminary examination report
Aug 19, 2011
International preliminary examination report
Aug 19, 2011
International preliminary examination report - free text sheet
Aug 19, 2011
International preliminary examination report - free text sheet
Aug 19, 2011
International preliminary examination report - points I-VIII
Aug 19, 2011
International preliminary examination report - points I-VIII
Aug 19, 2011
Notification of documents sent to WIPO
Aug 19, 2011
Transmittal of International Preliminary Examination Report
Mar 18, 2011
Notification of election of EPO
Feb 24, 2011
Notification of documents sent to WIPO
Feb 24, 2011
Notification of receipt of demand
Feb 11, 2011
Document concerning fees and payments
Feb 11, 2011
PCT demand form
Feb 11, 2011
PCT(IPEA): Amended sheet - claims
Feb 11, 2011
Submission concerning representation
Nov 19, 2010
Priority document (electronically transmitted)
Oct 28, 2010
Copy of the international search report
Oct 28, 2010
Published international application - A1
Oct 11, 2010
Written opinion of the ISA, boxes No. I to VIII
Oct 11, 2010
Written opinion of the ISA, cover sheet
Oct 11, 2010
Written opinion of the ISA, supplemental box
May 31, 2010
Abstract
May 31, 2010
Claims
May 31, 2010
Description
May 31, 2010
Drawings
May 31, 2010
Submission concerning representation

EP2421841

DOW TECHNOLOGY INVESTMENTS

Application Number: EP10732499A
Filing Date: Apr 20, 2010
Status: Revoked; Jul 10, 2020
Publication Date: Dec 26, 2018
External Links: Slate, Register , Google Patents