Polyisocyanate Prepolymers And Use Thereof

Patent No. EP2566906 (titled "Polyisocyanate Prepolymers And Use Thereof") was filed by Bayer on May 2, 2011. The application was issued on Jul 31, 2019.

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
ECONIC	Apr 30, 2020	APPLEYARD LEES
REPSOL	Apr 29, 2020	ABG INTELLECTUAL LAW
REPSOL	Apr 29, 2020	ABG LAW

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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Aug 23, 2021
Communication to the parties concerning the termination of the opposition proceedings (opponent)
Aug 23, 2021
Communication to the parties concerning the termination of the opposition proceedings (opponent)
Aug 23, 2021
Communication to the parties concerning the termination of the opposition proceedings (proprietor)
Aug 18, 2021
Termination of the opposition proceedings with revocation of patent
May 14, 2021
(Electronic) Receipt
May 14, 2021
Advice of delivery
May 14, 2021
Letter accompanying subsequently filed items
May 10, 2021
Advice of delivery
May 7, 2021
Decision of the Opposition Division and instruction
May 7, 2021
Decision revoking the European patent
May 7, 2021
Grounds for the decision (Annex) - opposition
May 7, 2021
Internal form - Opposition/addressees
May 7, 2021
Means of redress
May 7, 2021
Transmittal of decision / summons - opposition
May 7, 2021
Transmittal of decision / summons - opposition
May 7, 2021
Transmittal of decision / summons - opposition
Mar 4, 2021
Brief communication - Opposition proceedings
Mar 4, 2021
Brief communication - Opposition proceedings
Mar 4, 2021
Brief communication - Opposition proceedings
Mar 4, 2021
Brief communication - Opposition proceedings
Mar 4, 2021
Brief communication - Opposition proceedings
Mar 3, 2021
Brief communication - Opposition proceedings
Mar 3, 2021
Brief communication - Opposition proceedings
Feb 22, 2021
(Electronic) Receipt
Feb 22, 2021
Letter regarding the opposition procedure (no time limit)
Nov 12, 2020
Confirmation of revocation of automatic debit order
Nov 9, 2020
Letter relating to the automatic debiting procedure
Oct 27, 2020
Brief communication - Opposition proceedings
Oct 27, 2020
Brief communication - Opposition proceedings
Oct 27, 2020
Rejection of request for extension of time limit
Oct 21, 2020
(Electronic) Receipt
Oct 21, 2020
Request for extension of time limit
Aug 4, 2020
Brief communication - Opposition proceedings
Aug 4, 2020
Brief communication - Opposition proceedings
Jul 30, 2020
(Electronic) Receipt
Jul 30, 2020
Citation in opposition procedure - 027
Jul 30, 2020
Consolidated list of cited opposition documents
Jul 30, 2020
Letter accompanying subsequently filed items
Jul 30, 2020
Letter regarding the opposition procedure (no time limit)
Jun 24, 2020
Communication of a notice of opposition and request to file observations
Jun 24, 2020
Notice of further oppositions to opponent(s)
Jun 24, 2020
Notice of further oppositions to opponent(s)
May 13, 2020
Communication of a notice of opposition - first information to patent proprietor
May 8, 2020
Communication of a notice of opposition - first information to patent proprietor
Apr 30, 2020
(Electronic) Receipt
Apr 30, 2020
Citation in opposition procedure - 017
Apr 30, 2020
Citation in opposition procedure - 018
Apr 30, 2020
Citation in opposition procedure - 019
Apr 30, 2020
Citation in opposition procedure - 020
Apr 30, 2020
Citation in opposition procedure - 021
Apr 30, 2020
Citation in opposition procedure - 022
Apr 30, 2020
Citation in opposition procedure - 023
Apr 30, 2020
Citation in opposition procedure - 024
Apr 30, 2020
Citation in opposition procedure - 024
Apr 30, 2020
Citation in opposition procedure - 025
Apr 30, 2020
Citation in opposition procedure - 026
Apr 30, 2020
Citation in opposition procedure - 027
Apr 30, 2020
Notice of opposition
Apr 30, 2020
Notice of opposition
Apr 30, 2020
Patent document cited during the opposition procedure
Apr 30, 2020
Patent document cited during the opposition procedure
Apr 30, 2020
Patent document cited during the opposition procedure
Apr 30, 2020
Translation of the evidence during Opposition procedure
Apr 29, 2020
(Electronic) Receipt
Apr 29, 2020
Citation in opposition procedure - 001
Apr 29, 2020
Citation in opposition procedure - 001
Apr 29, 2020
Citation in opposition procedure - 002
Apr 29, 2020
Citation in opposition procedure - 003
Apr 29, 2020
Citation in opposition procedure - 004
Apr 29, 2020
Citation in opposition procedure - 005
Apr 29, 2020
Citation in opposition procedure - 005
Apr 29, 2020
Citation in opposition procedure - 006
Apr 29, 2020
Citation in opposition procedure - 007
Apr 29, 2020
Citation in opposition procedure - 008
Apr 29, 2020
Citation in opposition procedure - 008
Apr 29, 2020
Citation in opposition procedure - 009
Apr 29, 2020
Citation in opposition procedure - 010
Apr 29, 2020
Citation in opposition procedure - 010
Apr 29, 2020
Citation in opposition procedure - 011
Apr 29, 2020
Citation in opposition procedure - 012
Apr 29, 2020
Citation in opposition procedure - 013
Apr 29, 2020
Citation in opposition procedure - 014
Apr 29, 2020
Citation in opposition procedure - 015
Apr 29, 2020
Citation in opposition procedure - 016
Apr 29, 2020
Notice of opposition
Apr 29, 2020
Notice of opposition
Aug 12, 2019
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Jul 4, 2019
Decision to grant a European patent
Jun 14, 2019
(Electronic) Receipt
Jun 14, 2019
English translation of the claims
Jun 14, 2019
Filing of the translations of the claims
Jun 14, 2019
French translation of claims
Jun 14, 2019
Letter accompanying subsequently filed items
May 10, 2019
Bibliographic data of the European patent application
May 10, 2019
Communication about intention to grant a European patent
May 10, 2019
Intention to grant (signatures)
May 10, 2019
Text intended for grant (clean copy)
May 10, 2019
Text intended for grant (version for approval)
Jul 14, 2017
(Electronic) Receipt
Jul 14, 2017
Amended claims with annotations
Jul 14, 2017
Amended description with annotations
Jul 14, 2017
Claims
Jul 14, 2017
Description
Jul 14, 2017
Letter accompanying subsequently filed items
Jul 14, 2017
Reply to communication from the Examining Division
Mar 21, 2017
Annex to the communication
Mar 21, 2017
Communication from the Examining Division
Mar 13, 2017
Examination started
Jan 2, 2017
Notification regarding date of start of examination with possibility to withdraw
Oct 10, 2016
Submission concerning representation
Sep 30, 2015
Communication of amended entries concerning the representative
Sep 30, 2015
Communication of the registration of a transfer or change of name and/or address
Sep 17, 2015
Letter relating to the automatic debiting procedure
Sep 11, 2015
Submission concerning a transfer of rights (applicant)
Aug 27, 2015
Confirmation of revocation of automatic debit order
Aug 17, 2015
Letter relating to the automatic debiting procedure
Jun 11, 2015
CDS Clean up - amended data concerning the representative of the applicant (Association)
Nov 5, 2013
(Electronic) Receipt
Nov 5, 2013
Letter accompanying subsequently filed items
Nov 5, 2013
Statement of non-availability of priority search results
Aug 26, 2013
Invitation to file a copy of search results(priority)
Jul 16, 2013
CDS Clean up - amended data concerning the representative of the applicant (Association)
Jul 13, 2013
Amended claims filed after receipt of (European) search report
Jul 13, 2013
Amended claims with annotations
Jul 13, 2013
Amendments received before examination
Jul 11, 2013
Amended claims filed after receipt of (European) search report
Jul 11, 2013
Amended claims with annotations
Jul 11, 2013
Amendments received before examination
May 24, 2013
Submission concerning change of applicant's representative
Feb 13, 2013
Notification on forthcoming publication of bibliographic data
Jan 8, 2013
Communication concerning correction of deficiencies in written opinion/amendment of application/payment of claims fee
Dec 14, 2012
Communication to designated inventor
Dec 14, 2012
Communication to designated inventor
Dec 14, 2012
Communication to designated inventor
Dec 14, 2012
Communication to designated inventor
Nov 21, 2012
Copy of the international preliminary report on patentability
Oct 23, 2012
Notification of the recording of a change
Oct 23, 2012
Notification of the recording of a change
Oct 17, 2012
(Electronic) Receipt
Oct 17, 2012
Matter concerning the application
Oct 17, 2012
Request for entry into the European phase
Sep 21, 2012
Submission concerning a transfer of rights (applicant)
Sep 14, 2012
Information on entry into European phase
Nov 28, 2011
Priority document (electronically transmitted)
Nov 10, 2011
Copy of the international search report
Nov 10, 2011
Copy of the international search report
Nov 10, 2011
Published international application - A1
Aug 12, 2011
Written opinion of the ISA, boxes No. I to VIII
Aug 12, 2011
Written opinion of the ISA, cover sheet
Aug 12, 2011
Written opinion of the ISA, supplemental box
May 6, 2011
Submission concerning representation
May 2, 2011
(Electronic) Receipt
May 2, 2011
Abstract
May 2, 2011
Claims
May 2, 2011
Description

EP2566906

BAYER

Application Number: EP11716941A
Filing Date: May 2, 2011
Status: Revoked; Aug 20, 2021
Publication Date: Jul 31, 2019
External Links: Slate, Register , Google Patents

IP Verse

Polyisocyanate Prepolymers And Use Thereof

Patent Summary

Patent Family

Patent Oppositions (3)

Dossier Documents

EP2566906