Polyurethane Having High Light Refraction

Patent No. EP2596041 (titled "Polyurethane Having High Light Refraction") was filed by Bayer on Jul 15, 2011. The application was issued on Jun 12, 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
MITSUI CHEMICALS	May 20, 2015	MEWBURN ELLIS
VENCOREX FRANCE	May 20, 2015	LAVOIX

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 16, 2019
Decision to maintain the European patent in amended form
May 16, 2019
Decision to maintain the European patent in amended form
May 16, 2019
Decision to maintain the European patent in amended form
May 10, 2019
Termination of the opposition proceedings with maintenance of patent
Apr 24, 2019
(Electronic) Receipt
Apr 24, 2019
Clean copy of description pages in the opposition procedure
Apr 24, 2019
English translation of the claims
Apr 24, 2019
Filing of the translation of the amended claims
Apr 24, 2019
French translation of claims
Apr 24, 2019
Letter accompanying subsequently filed items
Feb 1, 2019
Communication of bibliographic data
Feb 1, 2019
Communication to opponent concerning maintenance
Feb 1, 2019
Communication to opponent concerning maintenance
Feb 1, 2019
Communication with request to file translations
Jan 21, 2019
Maintenance of the patent with the documents specified in the final decision
Jan 17, 2019
Advice of delivery
Dec 21, 2018
Communication about missing advice of delivery
Dec 14, 2018
Request for change of opponent's representative
Dec 13, 2018
Request for change of opponent's representative
Jul 13, 2017
Advice of delivery
Jun 29, 2017
Advice of delivery
Jun 28, 2017
Advice of delivery
Jun 27, 2017
Advice of delivery
Jun 26, 2017
Advice of delivery
Jun 20, 2017
Acknowledgement of a document
Jun 20, 2017
Acknowledgement of a document
Jun 20, 2017
Acknowledgement of a document
Jun 20, 2017
Annex to the communication - opposition
Jun 20, 2017
Decision of the Opposition Division and instruction
Jun 20, 2017
Grounds for the decision (Annex) - opposition
Jun 20, 2017
Interlocutory decision in opposition proceedings
Jun 20, 2017
Internal form - Opposition/addressees
Jun 20, 2017
Internal form - Opposition/addressees
Jun 20, 2017
Means of redress
Jun 20, 2017
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Jun 20, 2017
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Jun 20, 2017
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Jun 20, 2017
OPPODREX with handwritten amendments
Jun 20, 2017
Provision of a copy of the minutes - opposition procedure
Jun 20, 2017
Scanned annex to a communication - opposition procedure
Jun 8, 2017
Information about the result of oral proceedings
May 31, 2017
Brief communication - Opposition proceedings
May 31, 2017
Brief communication - Opposition proceedings
May 29, 2017
Amended claims with annotations
May 29, 2017
Amended claims with annotations
May 29, 2017
Amended claims with annotations
May 29, 2017
Amended claims with annotations
May 29, 2017
Claims
May 29, 2017
Claims
May 29, 2017
Claims
May 29, 2017
Claims
May 29, 2017
Letter regarding the opposition procedure (no time limit)
May 18, 2017
Notification concerning the date of oral proceedings
May 18, 2017
Notification concerning the date of oral proceedings
May 18, 2017
Notification concerning the date of oral proceedings
May 2, 2017
Letter regarding the opposition procedure (no time limit)
Apr 26, 2017
Request for interpreters during oral proceedings
Apr 25, 2017
Request for interpreters during oral proceedings
Apr 13, 2017
Brief communication - Opposition proceedings
Apr 13, 2017
Brief communication - Opposition proceedings
Apr 10, 2017
Brief communication - Opposition proceedings
Apr 10, 2017
Brief communication - Opposition proceedings
Apr 7, 2017
Letter regarding the opposition procedure (no time limit)
Apr 4, 2017
Request for interpreters during oral proceedings
Oct 10, 2016
Submission concerning representation
Sep 16, 2016
Advice of delivery
Sep 8, 2016
Advice of delivery
Sep 6, 2016
Advice of delivery
Sep 2, 2016
Advice of delivery
Sep 2, 2016
Advice of delivery
Aug 29, 2016
Acknowledgement of a document
Aug 29, 2016
Acknowledgement of a document
Aug 29, 2016
Acknowledgement of a document
Aug 29, 2016
Annex to the communication - opposition
Aug 29, 2016
Information concerning oral proceedings
Aug 29, 2016
Preparation for oral proceedings
Aug 29, 2016
Summons to attend oral proceedings
Aug 29, 2016
Summons to attend oral proceedings
Aug 29, 2016
Summons to attend oral proceedings
Jul 27, 2016
Communication of amended entries
Jul 7, 2016
Submission concerning change of applicant's representative
Jan 11, 2016
Brief communication - Opposition proceedings
Jan 11, 2016
Brief communication - Opposition proceedings
Dec 23, 2015
Auxiliary request during Opposition procedure
Dec 23, 2015
Auxiliary request during Opposition procedure
Dec 23, 2015
Auxiliary request during Opposition procedure
Dec 23, 2015
Auxiliary request during Opposition procedure
Dec 23, 2015
Auxiliary request during Opposition procedure
Dec 23, 2015
Auxiliary request during Opposition procedure
Dec 23, 2015
Auxiliary request during Opposition procedure
Dec 23, 2015
Auxiliary request during Opposition procedure
Dec 23, 2015
Auxiliary request during Opposition procedure
Dec 23, 2015
Auxiliary request during Opposition procedure
Dec 23, 2015
Auxiliary request during Opposition procedure
Dec 23, 2015
Auxiliary request during Opposition procedure
Dec 23, 2015
Auxiliary request during Opposition procedure
Dec 23, 2015
Auxiliary request during Opposition procedure
Dec 23, 2015
Citation in opposition procedure
Dec 23, 2015
Main request during Opposition procedure
Dec 23, 2015
Reply of the patent proprietor to the notice(s) of opposition
Nov 10, 2015
Communication of amended entries concerning the representative
Nov 10, 2015
Communication of the registration of a transfer or change of name and/or address
Oct 24, 2015
Payment of fees and costs
Oct 24, 2015
Submission concerning a transfer of rights (applicant)
Oct 9, 2015
Grant of extension of time limit (opposition procedure)
Oct 5, 2015
Request for extension of time limit
Sep 17, 2015
Letter relating to the automatic debiting procedure
Aug 27, 2015
Confirmation of revocation of automatic debit order
Aug 17, 2015
Letter relating to the automatic debiting procedure
Jun 24, 2015
Communication of a notice of opposition and request to file observations
Jun 24, 2015
Notice of further oppositions to opponent(s)
Jun 24, 2015
Notice of further oppositions to opponent(s)
Jun 11, 2015
CDS Clean up - amended data concerning the representative of the applicant (Association)
May 28, 2015
Communication of a notice of opposition - first information to patent proprietor
May 20, 2015
(Electronic) Receipt
May 20, 2015
(Electronic) Receipt
May 20, 2015
Citation in opposition procedure
May 20, 2015
Citation in opposition procedure
May 20, 2015
Citation in opposition procedure
May 20, 2015
Citation in opposition procedure
May 20, 2015
Citation in opposition procedure
May 20, 2015
Citation in opposition procedure
May 20, 2015
Citation in opposition procedure
May 20, 2015
Citation in opposition procedure
May 20, 2015
Citation in opposition procedure
May 20, 2015
Citation in opposition procedure
May 20, 2015
Citation in opposition procedure
May 20, 2015
General authorisation
May 20, 2015
Non-patent literature cited during the opposition procedure
May 20, 2015
Notice of opposition
May 20, 2015
Notice of opposition
May 20, 2015
Notice of opposition
May 20, 2015
Notice of opposition
May 20, 2015
Patent document cited during the opposition procedure
May 20, 2015
Patent document cited during the opposition procedure
May 20, 2015
Patent document cited during the opposition procedure
May 20, 2015
Patent document cited during the opposition procedure
May 20, 2015
Patent document cited during the opposition procedure
May 20, 2015
Patent document cited during the opposition procedure
May 20, 2015
Patent document cited during the opposition procedure
May 20, 2015
Patent document cited during the opposition procedure
Aug 22, 2014
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Jul 24, 2014
Decision to grant a European patent
Jun 20, 2014
Communication regarding the forthcoming grant
Jun 12, 2014
English translation of the claims
Jun 12, 2014
Filing of the translations of the claims
Jun 12, 2014
French translation of claims
Jun 11, 2014
Filing of the translations of the claims
Jun 11, 2014
Translation of the claims
Jun 11, 2014
Translation of the claims
Apr 23, 2014
Bibliographic data of the European patent application
Apr 23, 2014
Communication about intention to grant a European patent
Apr 23, 2014
Intention to grant (signatures)
Apr 23, 2014
Text intended for grant (clean copy)
Apr 23, 2014
Text intended for grant (version for approval)
Dec 5, 2013
Statement of non-availability of priority search results
Oct 18, 2013
Invitation to file a copy of search results(priority)
Aug 29, 2013
Amended claims filed after receipt of (European) search report
Aug 29, 2013
Amended claims with annotations
Aug 29, 2013
Amendments received before examination
Aug 29, 2013
Non-patent literature cited during the examination procedure
Aug 27, 2013
Amended claims filed after receipt of (European) search report
Aug 27, 2013
Amended claims with annotations
Aug 27, 2013
Amendments received before examination
Aug 27, 2013
Non-patent literature cited during the examination procedure
May 3, 2013
Notification on forthcoming publication of bibliographic data
Mar 1, 2013
Communication concerning correction of deficiencies in written opinion/amendment of application/payment of claims fee
Feb 27, 2013
Communication to designated inventor
Feb 27, 2013
Communication to designated inventor
Feb 27, 2013
Communication to designated inventor
Feb 27, 2013
Communication to designated inventor
Feb 27, 2013
Communication to designated inventor
Feb 6, 2013
Copy of the international preliminary report on patentability
Jan 18, 2013
Notification of the recording of a change
Jan 18, 2013
Notification of the recording of a change
Jan 17, 2013
(Electronic) Receipt
Jan 17, 2013
Annex
Jan 17, 2013
Request for entry into the European phase
Dec 12, 2012
Notification of the recording of a change
Dec 12, 2012
Notification of the recording of a change
Nov 30, 2012
Information on entry into European phase
Feb 14, 2012
Priority document (electronically transmitted)
Jan 26, 2012
Copy of the international search report
Jan 26, 2012
Published international application - A1
Oct 5, 2011
Written opinion of the ISA, boxes No. I to VIII
Oct 5, 2011
Written opinion of the ISA, cover sheet
Oct 5, 2011
Written opinion of the ISA, supplemental box
Aug 31, 2011
Submission concerning representation
Jul 15, 2011
(Electronic) Receipt
Jul 15, 2011
Abstract
Jul 15, 2011
Claims
Jul 15, 2011
Description

EP2596041

BAYER

Application Number: EP11732474A
Filing Date: Jul 15, 2011
Status: Patent Maintained As Amended; May 10, 2019
Publication Date: Jun 12, 2019
External Links: Slate, Register , Google Patents

IP Verse

Polyurethane Having High Light Refraction

Patent Summary

Patent Family

Patent Oppositions (2)

Dossier Documents

EP2596041