IP Verse

Copolyester Polyols, Prepolymers, And Polyurethane Elastomers Formed Therefrom And Processes For Making Same

Patent No. EP2467411 (titled "Copolyester Polyols, Prepolymers, And Polyurethane Elastomers Formed Therefrom And Processes For Making Same") was filed by Chemtura on Aug 4, 2010. The application was issued on Aug 22, 2018.

Patent Summary

Patent Family

Statuses, jurisdictions and citation links are shared on request.

Patent Oppositions (2)

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
COVESTRO DEUTSCHLAND	Jun 17, 2015	LEVPAT
STRAWMAN	Jun 12, 2015	MARGUE

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

Jul 26, 2018
Decision to maintain the European patent in amended form
Jul 26, 2018
Decision to maintain the European patent in amended form
Jul 26, 2018
Decision to maintain the European patent in amended form
Jul 20, 2018
Termination of the opposition proceedings with maintenance of patent
Jun 21, 2018
(Electronic) Receipt
Jun 21, 2018
Clean copy of description pages in the opposition procedure
Jun 21, 2018
Filing of the translation of the amended claims
Jun 21, 2018
French translation of claims
Jun 21, 2018
German translation of the claims
Jun 21, 2018
Letter accompanying subsequently filed items
May 28, 2018
Communication of amended entries concerning the representative
Apr 16, 2018
Communication of the registration of a transfer or change of name and/or address
Apr 4, 2018
(Electronic) Receipt
Apr 4, 2018
Annexes in respect of a client data request
Apr 4, 2018
Letter accompanying subsequently filed items
Apr 4, 2018
Submission concerning change of proprietor's name
Mar 13, 2018
Communication of bibliographic data
Mar 13, 2018
Communication to opponent concerning maintenance
Mar 13, 2018
Communication to opponent concerning maintenance
Mar 13, 2018
Communication with request to file translations
Mar 5, 2018
Maintenance of the patent with the documents specified in the final decision
Mar 1, 2018
Maintenance of the patent with the documents specified in the final decision
Dec 13, 2017
Advice of delivery
Dec 13, 2017
Advice of delivery
Nov 29, 2017
Advice of delivery
Nov 29, 2017
Advice of delivery
Nov 22, 2017
Advice of delivery
Nov 20, 2017
Acknowledgement of a document
Nov 20, 2017
Acknowledgement of a document
Nov 20, 2017
Acknowledgement of a document
Nov 20, 2017
Annex to the communication - opposition
Nov 20, 2017
Decision of the Opposition Division and instruction
Nov 20, 2017
Grounds for the decision (Annex) - opposition
Nov 20, 2017
Interlocutory decision in opposition proceedings
Nov 20, 2017
Internal form - Opposition/addressees
Nov 20, 2017
Internal form - Opposition/addressees
Nov 20, 2017
Means of redress
Nov 20, 2017
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Nov 20, 2017
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Nov 20, 2017
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Nov 20, 2017
OPPODREX with handwritten amendments
Nov 20, 2017
Provision of a copy of the minutes - opposition procedure
Nov 20, 2017
Scanned annex to a communication - opposition procedure
Nov 8, 2017
Information about the result of oral proceedings
Oct 27, 2017
Notification concerning the date of oral proceedings
Oct 27, 2017
Notification concerning the date of oral proceedings
Oct 27, 2017
Notification concerning the date of oral proceedings
Oct 20, 2017
Letter regarding the opposition procedure (no time limit)
Oct 10, 2017
Brief communication - Opposition proceedings
Oct 10, 2017
Brief communication - Opposition proceedings
Oct 2, 2017
Auxiliary request during Opposition procedure
Oct 2, 2017
Letter regarding the opposition procedure (no time limit)
Sep 13, 2017
Brief communication - Opposition proceedings
Sep 13, 2017
Brief communication - Opposition proceedings
Sep 11, 2017
Brief communication - Opposition proceedings
Sep 11, 2017
Brief communication - Opposition proceedings
Sep 6, 2017
Brief communication - Opposition proceedings
Sep 6, 2017
Brief communication - Opposition proceedings
Sep 6, 2017
Letter regarding the opposition procedure (no time limit)
Sep 5, 2017
Request for interpreters during oral proceedings
Aug 31, 2017
Letter regarding the opposition procedure (no time limit)
Sep 14, 2016
Advice of delivery
Jul 27, 2016
Advice of delivery
Jul 8, 2016
Advice of delivery
Jul 7, 2016
Advice of delivery
Jun 29, 2016
Acknowledgement of a document
Jun 29, 2016
Acknowledgement of a document
Jun 29, 2016
Acknowledgement of a document
Jun 29, 2016
Annex to the communication - opposition
Jun 29, 2016
Information concerning oral proceedings
Jun 29, 2016
Preparation for oral proceedings
Jun 29, 2016
Summons to attend oral proceedings
Jun 29, 2016
Summons to attend oral proceedings
Jun 29, 2016
Summons to attend oral proceedings
Feb 25, 2016
Request concerning representative opponent
Feb 8, 2016
Brief communication - Opposition proceedings
Feb 8, 2016
Brief communication - Opposition proceedings
Feb 8, 2016
Communication of amended entries
Jan 15, 2016
Request for a change of address - opponent
Dec 3, 2015
Brief communication - Opposition proceedings
Dec 3, 2015
Brief communication - Opposition proceedings
Nov 30, 2015
(Electronic) Receipt
Nov 30, 2015
Auxiliary request during Opposition procedure
Nov 30, 2015
Auxiliary request during Opposition procedure
Nov 30, 2015
Auxiliary request during Opposition procedure
Nov 30, 2015
Auxiliary request during Opposition procedure
Nov 30, 2015
Auxiliary request during Opposition procedure
Nov 30, 2015
Auxiliary request during Opposition procedure
Nov 30, 2015
Auxiliary request during Opposition procedure
Nov 30, 2015
Auxiliary request during Opposition procedure
Nov 30, 2015
Letter accompanying subsequently filed items
Nov 30, 2015
Main request during Opposition procedure
Nov 30, 2015
Reply of the patent proprietor to the notice(s) of opposition
Nov 30, 2015
Reply of the patent proprietor to the notice(s) of opposition
Sep 18, 2015
(Electronic) Receipt
Sep 18, 2015
All other documents for the Appeal procedure not covered by any other Code
Sep 18, 2015
Annex
Sep 18, 2015
Letter accompanying subsequently filed items
Aug 27, 2015
Request for change of opponent's representative
Aug 26, 2015
Request for change of opponent's representative
Jul 22, 2015
Communication of a notice of opposition and request to file observations
Jul 22, 2015
Notice of further oppositions to opponent(s)
Jul 22, 2015
Notice of further oppositions to opponent(s)
Jun 22, 2015
Communication of a notice of opposition - first information to patent proprietor
Jun 22, 2015
Communication of a notice of opposition - first information to patent proprietor
Jun 17, 2015
(Electronic) Receipt
Jun 17, 2015
Non-patent literature cited during the opposition procedure
Jun 17, 2015
Notice of opposition
Jun 17, 2015
Notice of opposition
Jun 17, 2015
Patent document cited during the opposition procedure
Jun 17, 2015
Patent document cited during the opposition procedure
Jun 17, 2015
Patent document cited during the opposition procedure
Jun 17, 2015
Patent document cited during the opposition procedure
Jun 17, 2015
Patent document cited during the opposition procedure
Jun 17, 2015
Patent document cited during the opposition procedure
Jun 12, 2015
(Electronic) Receipt
Jun 12, 2015
Notice of opposition
Jun 12, 2015
Notice of opposition
Jun 12, 2015
Patent document cited during the opposition procedure
Jun 12, 2015
Patent document cited during the opposition procedure
Jun 12, 2015
Patent document cited during the opposition procedure
Jun 12, 2015
Patent document cited during the opposition procedure
Jun 12, 2015
Patent document cited during the opposition procedure
Sep 19, 2014
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Aug 21, 2014
Decision to grant a European patent
Jun 25, 2014
(Electronic) Receipt
Jun 25, 2014
Filing of the translations of the claims
Jun 25, 2014
French translation of claims
Jun 25, 2014
German translation of the claims
Jun 25, 2014
Letter accompanying subsequently filed items
Mar 18, 2014
(Electronic) Receipt
Mar 18, 2014
Filing of the translations of the claims
Mar 18, 2014
Letter accompanying subsequently filed items
Feb 21, 2014
Bibliographic data of the European patent application
Feb 21, 2014
Communication about intention to grant a European patent
Feb 21, 2014
Intention to grant (signatures)
Feb 21, 2014
Text intended for grant
Jan 13, 2014
(Electronic) Receipt
Jan 13, 2014
Amended claims with annotations
Jan 13, 2014
Amended description with annotations
Jan 13, 2014
Claims
Jan 13, 2014
Description
Jan 13, 2014
Letter accompanying subsequently filed items
Jan 13, 2014
Reply to communication from the Examining Division
Oct 2, 2013
Annex to the communication
Oct 2, 2013
Communication from the Examining Division
Jul 3, 2013
Communication confirming withdrawal from representation
Jul 3, 2013
Communication of amended entries concerning the representative
Jun 21, 2013
(Electronic) Receipt
Jun 21, 2013
Letter accompanying subsequently filed items
Jun 21, 2013
Submission concerning change of applicant's representative
Jun 17, 2013
(Electronic) Receipt
Jun 17, 2013
Letter accompanying subsequently filed items
Jun 17, 2013
Submission concerning change of applicant's representative
Jun 6, 2013
(Electronic) Receipt
Jun 6, 2013
Amended claims with annotations
Jun 6, 2013
Claims
Jun 6, 2013
Letter accompanying subsequently filed items
Jun 6, 2013
Reply to communication from the Examining Division
Apr 25, 2013
Annex to the communication
Apr 25, 2013
Communication from the Examining Division
Oct 22, 2012
(Electronic) Receipt
Oct 22, 2012
Amended claims filed after receipt of (European) search report
Oct 22, 2012
Amended claims with annotations
Oct 22, 2012
Amendments received before examination
Oct 22, 2012
Letter accompanying subsequently filed items
May 31, 2012
Notification on forthcoming publication of bibliographic data
Apr 18, 2012
Communication concerning correction of deficiencies in written opinion/amendment of application/payment of claims fee
Mar 6, 2012
Copy of the international preliminary report on patentability
Feb 6, 2012
(Electronic) Receipt
Feb 6, 2012
Request for entry into the European phase
Dec 29, 2011
Information on entry into European phase
Apr 14, 2011
Published international application - A4
Mar 18, 2011
Priority document (electronically transmitted)
Mar 18, 2011
Priority document (electronically transmitted)
Feb 24, 2011
Copy of the international search report
Feb 24, 2011
Published international application - A1
Jan 28, 2011
Written opinion of the ISA, boxes No. I to VIII
Jan 28, 2011
Written opinion of the ISA, cover sheet
Jan 28, 2011
Written opinion of the ISA, supplemental box
Sep 22, 2010
Notification relating to priority claim
Aug 20, 2010
Abstract
Aug 20, 2010
Claims
Aug 20, 2010
Description
Aug 20, 2010
Drawings

EP2467411

CHEMTURA

Application Number: EP10745053A
Filing Date: Aug 4, 2010
Status: Patent Maintained As Amended; Jul 20, 2018
Publication Date: Aug 22, 2018
External Links: Slate, Register , Google Patents