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IP Verse

Formation Of Higher Molecular Weight Cyclic Polyamine Compounds From Cyclic Polyamine Compounds

Patent No. EP2797901 (titled "Formation Of Higher Molecular Weight Cyclic Polyamine Compounds From Cyclic Polyamine Compounds") was filed by DOW on Nov 14, 2012. The application was issued on May 10, 2017.

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
AKZO NOBEL	Feb 9, 2018	AKZO NOBEL CHEMICALS GROUP

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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Oct 5, 2018
Communication to the parties concerning the termination of the opposition proceedings (opponent)
Oct 5, 2018
Communication to the parties concerning the termination of the opposition proceedings (proprietor)
Oct 1, 2018
Termination of the opposition proceedings with revocation of patent
Jul 10, 2018
Advice of delivery
Jul 2, 2018
Advice of delivery
Jun 25, 2018
Advice of delivery
Jun 20, 2018
Acknowledgement of a document
Jun 20, 2018
Acknowledgement of a document
Jun 20, 2018
Decision revoking the European patent
Jun 20, 2018
Decision revoking the European patent
Jun 13, 2018
(Electronic) Receipt
Jun 13, 2018
Letter accompanying subsequently filed items
Jun 13, 2018
Request for revocation of patent
Mar 13, 2018
Brief communication - Opposition proceedings
Mar 13, 2018
Communication of amended entries
Feb 26, 2018
Communication of a notice of opposition and request to file observations
Feb 26, 2018
Notice of further oppositions to opponent(s)
Feb 21, 2018
Communication of a notice of opposition - first information to patent proprietor
Feb 21, 2018
Letter accompanying subsequently filed items
Feb 21, 2018
Request for change of opponent's representative
Feb 9, 2018
(Electronic) Receipt
Feb 9, 2018
Notice of opposition
Feb 9, 2018
Notice of opposition
Feb 9, 2018
Patent document cited during the opposition procedure
Feb 9, 2018
Patent document cited during the opposition procedure
Feb 9, 2018
Patent document cited during the opposition procedure
Feb 9, 2018
Patent document cited during the opposition procedure
Dec 13, 2017
Confirmation of revocation of automatic debit order
May 11, 2017
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Apr 13, 2017
Decision to grant a European patent
Mar 31, 2017
Bibliographic data of the European patent application
Mar 31, 2017
Information about intention to grant a patent
Mar 31, 2017
Intention to grant (signatures)
Mar 31, 2017
Text intended for grant (clean copy)
Mar 31, 2017
Text intended for grant (version for approval)
Mar 28, 2017
Processing of request for correction of text proposed for grant or third party observations (from 01-04-2012)
Mar 10, 2017
(Electronic) Receipt
Mar 10, 2017
Amended description with annotations
Mar 10, 2017
Description
Mar 10, 2017
French translation of claims
Mar 10, 2017
German translation of the claims
Mar 10, 2017
Letter accompanying subsequently filed items
Mar 10, 2017
Request for correction/amendment of the text proposed for grant sent from 01.04.2012
Nov 3, 2016
Bibliographic data of the European patent application
Nov 3, 2016
Communication about intention to grant a European patent
Nov 3, 2016
Intention to grant (signatures)
Nov 3, 2016
Text intended for grant (clean copy)
Nov 3, 2016
Text intended for grant (version for approval)
Oct 4, 2016
Notification concerning the date of oral proceedings
Sep 29, 2016
Annex to the communication
Sep 29, 2016
Consultation by telephone/in person
Sep 29, 2016
Result of consultation by telephone/in person
Sep 27, 2016
(Electronic) Receipt
Sep 27, 2016
Amended claims with annotations
Sep 27, 2016
Amended description with annotations
Sep 27, 2016
Claims
Sep 27, 2016
Description
Sep 27, 2016
Letter accompanying subsequently filed items
Sep 7, 2016
(Electronic) Receipt
Sep 7, 2016
Amended claims with annotations
Sep 7, 2016
Amended description with annotations
Sep 7, 2016
Claims
Sep 7, 2016
Description
Sep 7, 2016
Letter accompanying subsequently filed items
Sep 7, 2016
Letter dealing with oral proceedings
Jul 11, 2016
Advice of delivery
Jul 6, 2016
Annex to the communication
Jul 6, 2016
Summons to attend oral proceedings
Jun 14, 2016
Preparation for oral proceedings
Feb 25, 2016
(Electronic) Receipt
Feb 25, 2016
Amended claims with annotations
Feb 25, 2016
Claims
Feb 25, 2016
Letter accompanying subsequently filed items
Feb 25, 2016
Reply to communication from the Examining Division
Dec 15, 2015
Grant of extension of time limit (examination procedure)
Dec 10, 2015
(Electronic) Receipt
Dec 10, 2015
Letter accompanying subsequently filed items
Aug 24, 2015
Annex to the communication
Aug 24, 2015
Communication from the Examining Division
Aug 19, 2015
Examination started
Mar 16, 2015
(Electronic) Receipt
Mar 16, 2015
(Electronic) Receipt
Mar 16, 2015
Amended claims filed after receipt of (European) search report
Mar 16, 2015
Amended claims with annotations
Mar 16, 2015
Amendments received before examination
Mar 16, 2015
Amendments received before examination
Mar 16, 2015
Claims
Mar 16, 2015
Letter accompanying subsequently filed items
Mar 16, 2015
Letter accompanying subsequently filed items
Oct 8, 2014
Notification on forthcoming publication of bibliographic data
Sep 9, 2014
Communication concerning correction of deficiencies in written opinion/amendment of application/payment of claims fee
Aug 6, 2014
Communication to designated inventor
Jul 16, 2014
(Electronic) Receipt
Jul 16, 2014
Request for entry into the European phase
Jul 7, 2014
Annexes to the international preliminary examination report
Jul 7, 2014
Copy of the international preliminary examination report
May 30, 2014
Notification of the recording of a change
May 9, 2014
Information on entry into European phase
Mar 31, 2014
Annex to International preliminary examination report
Mar 31, 2014
International preliminary examination report
Mar 31, 2014
International preliminary examination report - free text sheet
Mar 31, 2014
International preliminary examination report - points I-VIII
Mar 31, 2014
Transmittal of International Preliminary Examination Report
Mar 19, 2014
CDS Clean up - amended applicant details
Jan 3, 2014
Written opinion
Jan 3, 2014
Written opinion - free text sheet
Jan 3, 2014
Written opinion - points I-VIII
Dec 13, 2013
Notification of election of EPO
Dec 5, 2013
Amendments of documents (Article 19 PCT)
Dec 4, 2013
Amendments of documents (Article 19 PCT)
Nov 27, 2013
Notification of receipt of demand
Oct 28, 2013
Cover sheet for fax transmission
Oct 28, 2013
Document concerning fees and payments
Oct 28, 2013
Letter regarding PCTII procedure
Oct 28, 2013
PCT demand form
Oct 28, 2013
PCT(IPEA): Amended sheet - claims
Oct 28, 2013
PCT(IPEA): Amended sheet - claims
Oct 28, 2013
Payment of fees and costs
Jul 24, 2013
Priority document (electronically transmitted)
Jul 4, 2013
Copy of the international search report
Jul 4, 2013
Published international application - A1
May 17, 2013
Written opinion of the ISA, boxes No. I to VIII
May 17, 2013
Written opinion of the ISA, cover sheet
May 17, 2013
Written opinion of the ISA, supplemental box
Feb 13, 2013
Notification of the recording of a change
Nov 23, 2012
Abstract
Nov 23, 2012
Claims
Nov 23, 2012
Description

EP2797901

DOW

Application Number: EP12795677A
Filing Date: Nov 14, 2012
Status: Revoked; Oct 5, 2018
Publication Date: May 10, 2017
External Links: Slate, Register, Google Patents