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Method Of Synthesising Polycarbonates In The Presence Of A Bimetallic Catalyst And A Chain Transfer Agent

Patent No. EP2753651 (titled "Method Of Synthesising Polycarbonates In The Presence Of A Bimetallic Catalyst And A Chain Transfer Agent") was filed by Imperial Innovations on Sep 7, 2012. The application was issued on Jul 12, 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
REPSOL	Apr 12, 2018	ZBM PATENTS ZEA

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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Sep 5, 2019
Communication to the parties concerning the termination of the opposition proceedings (proprietor)
Sep 2, 2019
Termination of the opposition proceedings with maintenance of patent
Aug 5, 2019
Communication of the registration of a transfer or change of name and/or address
Jul 29, 2019
Submission concerning change of proprietor's name
May 29, 2019
Advice of delivery
May 21, 2019
Acknowledgement of a document
May 21, 2019
Decision to discontinue the opposition proceedings
May 21, 2019
Notification concerning the date of oral proceedings
May 2, 2019
Brief communication - Opposition proceedings
May 2, 2019
Brief communication - Opposition proceedings
Apr 30, 2019
Brief communication - Opposition proceedings
Apr 30, 2019
Brief communication - Opposition proceedings
Apr 26, 2019
(Electronic) Receipt
Apr 26, 2019
Letter accompanying subsequently filed items
Apr 26, 2019
Withdrawal of an opposition
Apr 25, 2019
(Electronic) Receipt
Apr 25, 2019
Citation in opposition procedure
Apr 25, 2019
Citation in opposition procedure
Apr 25, 2019
Letter accompanying subsequently filed items
Apr 25, 2019
Non-patent literature cited during the opposition procedure
Apr 25, 2019
Written submission in preparation to/during oral proceedings
Apr 18, 2019
(Electronic) Receipt
Apr 18, 2019
Letter accompanying subsequently filed items
Apr 18, 2019
Request for interpreters during oral proceedings
Dec 12, 2018
Advice of delivery
Nov 22, 2018
Advice of delivery
Nov 13, 2018
Advice of delivery
Nov 9, 2018
Acknowledgement of a document
Nov 9, 2018
Acknowledgement of a document
Nov 9, 2018
Annex to the communication - opposition
Nov 9, 2018
Information about the result of oral proceedings
Nov 9, 2018
Information concerning oral proceedings
Nov 9, 2018
Summons to attend oral proceedings
Nov 9, 2018
Summons to attend oral proceedings
Sep 17, 2018
Brief communication - Opposition proceedings
Sep 7, 2018
(Electronic) Receipt
Sep 7, 2018
Amended claims with annotations
Sep 7, 2018
Amended claims with annotations
Sep 7, 2018
Amended claims with annotations
Sep 7, 2018
Citation in opposition procedure
Sep 7, 2018
Citation in opposition procedure
Sep 7, 2018
Citation in opposition procedure
Sep 7, 2018
Citation in opposition procedure
Sep 7, 2018
Citation in opposition procedure
Sep 7, 2018
Claims
Sep 7, 2018
Claims
Sep 7, 2018
Claims
Sep 7, 2018
Letter accompanying subsequently filed items
Sep 7, 2018
Non-patent literature cited during the opposition procedure
Sep 7, 2018
Non-patent literature cited during the opposition procedure
Sep 7, 2018
Non-patent literature cited during the opposition procedure
Sep 7, 2018
Non-patent literature cited during the opposition procedure
Sep 7, 2018
Non-patent literature cited during the opposition procedure
Sep 7, 2018
Non-patent literature cited during the opposition procedure
Sep 7, 2018
Non-patent literature cited during the opposition procedure
Sep 7, 2018
Non-patent literature cited during the opposition procedure
Sep 7, 2018
Non-patent literature cited during the opposition procedure
Sep 7, 2018
Non-patent literature cited during the opposition procedure
Sep 7, 2018
Non-patent literature cited during the opposition procedure
Sep 7, 2018
Non-patent literature cited during the opposition procedure
Sep 7, 2018
Reply of the patent proprietor to the notice(s) of opposition
Jul 31, 2018
Brief communication - Opposition proceedings
Jul 30, 2018
Communication confirming withdrawal from representation
Jul 30, 2018
Communication of amended entries concerning the representative
Jul 25, 2018
(Electronic) Receipt
Jul 25, 2018
Letter accompanying subsequently filed items
Jul 25, 2018
Submission concerning change of applicant's representative
May 2, 2018
Communication of a notice of opposition and request to file observations
May 2, 2018
Notice of further oppositions to opponent(s)
Apr 20, 2018
Communication of a notice of opposition - first information to patent proprietor
Apr 12, 2018
(Electronic) Receipt
Apr 12, 2018
Citation in opposition procedure
Apr 12, 2018
Citation in opposition procedure
Apr 12, 2018
Non-patent literature cited during the opposition procedure
Apr 12, 2018
Non-patent literature cited during the opposition procedure
Apr 12, 2018
Non-patent literature cited during the opposition procedure
Apr 12, 2018
Non-patent literature cited during the opposition procedure
Apr 12, 2018
Non-patent literature cited during the opposition procedure
Apr 12, 2018
Non-patent literature cited during the opposition procedure
Apr 12, 2018
Non-patent literature cited during the opposition procedure
Apr 12, 2018
Non-patent literature cited during the opposition procedure
Apr 12, 2018
Notice of opposition
Apr 12, 2018
Notice of opposition
Apr 12, 2018
Patent document cited during the opposition procedure
Apr 12, 2018
Patent document cited during the opposition procedure
Jul 13, 2017
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Jun 16, 2017
Decision to grant a European patent
May 31, 2017
(Electronic) Receipt
May 31, 2017
French translation of claims
May 31, 2017
German translation of the claims
May 31, 2017
Letter accompanying subsequently filed items
Feb 7, 2017
Bibliographic data of the European patent application
Feb 7, 2017
Communication about intention to grant a European patent
Feb 7, 2017
Intention to grant (signatures)
Feb 7, 2017
Text intended for grant (clean copy)
Feb 7, 2017
Text intended for grant (version for approval)
May 26, 2016
(Electronic) Receipt
May 26, 2016
Annex
May 26, 2016
Letter accompanying subsequently filed items
May 26, 2016
Non-patent literature cited during the examination procedure
May 26, 2016
Reply to communication from the Examining Division
Feb 4, 2016
Annex to the communication
Feb 4, 2016
Communication from the Examining Division
Jun 18, 2014
Notification on forthcoming publication of bibliographic data
Apr 14, 2014
Communication to designated inventor
Apr 14, 2014
Communication to designated inventor
Apr 14, 2014
Communication to designated inventor
Apr 14, 2014
Communication to designated inventor
Apr 4, 2014
(Electronic) Receipt
Apr 4, 2014
Amended claims filed after receipt of (European) search report
Apr 4, 2014
Amended claims with annotations
Apr 4, 2014
Amendments received before examination
Apr 4, 2014
Matter concerning the application
Apr 4, 2014
Non-patent literature cited during the examination procedure
Apr 4, 2014
Non-patent literature cited during the examination procedure
Apr 4, 2014
Non-patent literature cited during the examination procedure
Apr 4, 2014
Non-patent literature cited during the examination procedure
Apr 4, 2014
Non-patent literature cited during the examination procedure
Apr 4, 2014
Request for entry into the European phase
Mar 26, 2014
Copy of the international preliminary report on patentability
Jan 17, 2014
Information on entry into European phase
Sep 6, 2013
Copy of the international search report
Sep 6, 2013
Published international application - A9
Jul 30, 2013
Communication in cases for which no other form is applicable
Jul 30, 2013
Communication in cases for which no other form is applicable
May 2, 2013
Copy of the international search report
May 2, 2013
International publication of the international search report
Apr 3, 2013
Priority document (electronically transmitted)
Mar 14, 2013
Published international application - A2
Mar 13, 2013
Written opinion of the ISA, boxes No. I to VIII
Mar 13, 2013
Written opinion of the ISA, cover sheet
Mar 13, 2013
Written opinion of the ISA, supplemental box
Dec 5, 2012
Communication in cases for which no other form is applicable
Sep 7, 2012
(Electronic) Receipt
Sep 7, 2012
Abstract
Sep 7, 2012
Claims
Sep 7, 2012
Description
Sep 7, 2012
Drawings
Sep 7, 2012
Submission concerning representation

EP2753651

IMPERIAL INNOVATIONS

Application Number: EP12758838A
Filing Date: Sep 7, 2012
Status: Granted And Under Opposition; Jun 9, 2017
Publication Date: Jul 12, 2017
External Links: Slate, Register , Google Patents