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Polycarbonate-Polyorganosiloxane Copolymer And Method For Continuously Producing Same

Patent No. EP2871200 (titled "Polycarbonate-Polyorganosiloxane Copolymer And Method For Continuously Producing Same") was filed by Idemitsu Kosan on Jun 26, 2013. The application was issued on Jan 30, 2019.

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
SABIC SABIC INNOVATIVE PLASTICS	Oct 25, 2019	SABIC 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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Mar 20, 2024
Refund of fees
Mar 15, 2024
F3324 Closure of the appeal proceedings: withdrawal of the appeal/ application/ opposition
Mar 15, 2024
F3324 Closure of the appeal proceedings: withdrawal of the appeal/ application/ opposition
Mar 13, 2024
F3017 Oral Proceedings: Notification of cancellation/postponing
Mar 13, 2024
F3017 Oral Proceedings: Notification of cancellation/postponing
Mar 13, 2024
F3345 Forwarding of submissions to parties
Mar 12, 2024
(Electronic) Receipt
Mar 12, 2024
F3014 Oral Proceedings: Order cancelling/postponing
Mar 12, 2024
Letter accompanying subsequently filed items
Mar 12, 2024
Withdrawal of an appeal
Jan 26, 2024
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Jan 26, 2024
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Jul 28, 2023
Advice of delivery
Jul 28, 2023
F3345 Forwarding of submissions to parties
Jul 28, 2023
Oral proceedings: change of venue
Jul 28, 2023
Oral proceedings: change of venue
Jul 25, 2023
(Electronic) Receipt
Jul 25, 2023
Letter accompanying subsequently filed items
Jul 25, 2023
Letter dealing with oral proceedings during the appeal procedure
Jun 14, 2023
F3345 Forwarding of submissions to parties
Jun 7, 2023
(Electronic) Receipt
Jun 7, 2023
Letter accompanying subsequently filed items
Jun 7, 2023
Letter dealing with oral proceedings during the appeal procedure
May 31, 2023
F3004 Communication of the Registry
May 31, 2023
F3004 Communication of the Registry
May 31, 2023
F3011.1 Oral Proceedings: summons
May 31, 2023
F3011.1 Oral Proceedings: summons
May 25, 2023
F3010 Oral proceedings: order for summons
Jul 22, 2022
Composition of the board (T)
Apr 22, 2022
F3345 Forwarding of submissions to parties
Apr 19, 2022
(Electronic) Receipt
Apr 19, 2022
Amended claims with annotations
Apr 19, 2022
Amended claims with annotations
Apr 19, 2022
Amended claims with annotations
Apr 19, 2022
Amended claims with annotations
Apr 19, 2022
Amended claims with annotations
Apr 19, 2022
Amended claims with annotations
Apr 19, 2022
Amended claims with annotations
Apr 19, 2022
Amended claims with annotations
Apr 19, 2022
Amended claims with annotations
Apr 19, 2022
Auxiliary request during appeals procedure - 01
Apr 19, 2022
Auxiliary request during appeals procedure - 02
Apr 19, 2022
Auxiliary request during appeals procedure - 03
Apr 19, 2022
Auxiliary request during appeals procedure - 04
Apr 19, 2022
Auxiliary request during appeals procedure - 05
Apr 19, 2022
Auxiliary request during appeals procedure - 06
Apr 19, 2022
Auxiliary request during appeals procedure - 07
Apr 19, 2022
Auxiliary request during appeals procedure - 08
Apr 19, 2022
Auxiliary request during appeals procedure - 09
Apr 19, 2022
Letter accompanying subsequently filed items
Apr 19, 2022
Reply to appeal
Dec 7, 2021
F3344 Setting time limit for reply/ file observations to appeal (inter partes)
Dec 2, 2021
(Electronic) Receipt
Dec 2, 2021
Letter accompanying subsequently filed items
Dec 2, 2021
Statement of grounds of appeal
Oct 13, 2021
F3345 Forwarding of submissions to parties
Oct 8, 2021
(Electronic) Receipt
Oct 8, 2021
Letter accompanying subsequently filed items
Oct 8, 2021
Letter relating to Appeal Procedure
Oct 7, 2021
F3204 Communication of the file number to the parties
Oct 7, 2021
F3204 Communication of the file number to the parties
Oct 1, 2021
(Electronic) Receipt
Oct 1, 2021
Advice of delivery
Oct 1, 2021
Letter accompanying subsequently filed items
Oct 1, 2021
Notice of appeal
Sep 30, 2021
Communication about missing advice of delivery
Aug 3, 2021
Advice of delivery
Aug 2, 2021
Annex to the communication - opposition
Aug 2, 2021
Decision of the Opposition Division and instruction
Aug 2, 2021
Decision rejecting the opposition
Aug 2, 2021
Decision rejecting the opposition
Aug 2, 2021
Grounds for the decision (Annex) - opposition
Aug 2, 2021
Means of redress
Aug 2, 2021
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Aug 2, 2021
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Aug 2, 2021
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Aug 2, 2021
Provision of a copy of the minutes - opposition procedure
Aug 2, 2021
Provision of a copy of the minutes - opposition procedure
Aug 2, 2021
Scanned annex to a communication - opposition procedure
Aug 2, 2021
Scanned annex to a communication - opposition procedure
Aug 2, 2021
Transmittal of decision / summons - opposition
Aug 2, 2021
Transmittal of decision / summons - opposition
Mar 23, 2021
Information about the result of oral proceedings
Jan 27, 2021
Brief communication - Opposition proceedings
Jan 27, 2021
Brief communication - Opposition proceedings
Jan 20, 2021
(Electronic) Receipt
Jan 20, 2021
Auxiliary request during Opposition procedure
Jan 20, 2021
Auxiliary request during Opposition procedure
Jan 20, 2021
Auxiliary request during Opposition procedure
Jan 20, 2021
Auxiliary request during Opposition procedure
Jan 20, 2021
Auxiliary request during Opposition procedure
Jan 20, 2021
Auxiliary request during Opposition procedure
Jan 20, 2021
Auxiliary request during Opposition procedure
Jan 20, 2021
Auxiliary request during Opposition procedure
Jan 20, 2021
Auxiliary request during Opposition procedure
Jan 20, 2021
Auxiliary request during Opposition procedure
Jan 20, 2021
Auxiliary request during Opposition procedure - 01
Jan 20, 2021
Auxiliary request during Opposition procedure - 02
Jan 20, 2021
Auxiliary request during Opposition procedure - 03
Jan 20, 2021
Auxiliary request during Opposition procedure - 04
Jan 20, 2021
Letter accompanying subsequently filed items
Jan 20, 2021
Written submission in preparation to/during oral proceedings
Jan 19, 2021
(Electronic) Receipt
Jan 19, 2021
Letter accompanying subsequently filed items
Jan 19, 2021
Written submission in preparation to/during oral proceedings
Dec 14, 2020
Notification concerning the date of oral proceedings
Dec 14, 2020
Notification concerning the date of oral proceedings
Aug 13, 2020
(Electronic) Receipt
Aug 13, 2020
Advice of delivery
Aug 13, 2020
Letter accompanying subsequently filed items
Jul 31, 2020
Advice of delivery
Jul 28, 2020
Acknowledgement of a document
Jul 28, 2020
Acknowledgement of a document
Jul 28, 2020
Annex to the communication - opposition
Jul 28, 2020
Information concerning oral proceedings
Jul 28, 2020
Summons to attend oral proceedings
Jul 28, 2020
Summons to attend oral proceedings
May 28, 2020
Brief communication - Opposition proceedings
May 25, 2020
(Electronic) Receipt
May 25, 2020
Auxiliary request during Opposition procedure
May 25, 2020
Auxiliary request during Opposition procedure
May 25, 2020
Auxiliary request during Opposition procedure
May 25, 2020
Auxiliary request during Opposition procedure
May 25, 2020
Auxiliary request during Opposition procedure
May 25, 2020
Auxiliary request during Opposition procedure - 01
May 25, 2020
Auxiliary request during Opposition procedure - 02
May 25, 2020
Auxiliary request during Opposition procedure - 03
May 25, 2020
Auxiliary request during Opposition procedure - 04
May 25, 2020
Auxiliary request during Opposition procedure - 06
May 25, 2020
Letter accompanying subsequently filed items
May 25, 2020
Reply of the patent proprietor to the notice(s) of opposition
Mar 17, 2020
Brief communication - Opposition proceedings
Mar 17, 2020
Grant of extension of time limit (opposition procedure)
Mar 6, 2020
(Electronic) Receipt
Mar 6, 2020
Letter accompanying subsequently filed items
Mar 6, 2020
Request for extension of time limit
Nov 14, 2019
Communication of a notice of opposition and request to file observations
Nov 14, 2019
Notice of further oppositions to opponent(s)
Oct 31, 2019
(Electronic) Receipt
Oct 31, 2019
Letter accompanying subsequently filed items
Oct 31, 2019
Letter regarding the opposition procedure (no time limit)
Oct 30, 2019
Communication of a notice of opposition - first information to patent proprietor
Oct 29, 2019
Consolidated list of cited opposition documents
Oct 25, 2019
(Electronic) Receipt
Oct 25, 2019
Citation in opposition procedure - 001
Oct 25, 2019
Citation in opposition procedure - 002
Oct 25, 2019
Citation in opposition procedure - 003
Oct 25, 2019
Citation in opposition procedure - 004
Oct 25, 2019
Citation in opposition procedure - 005
Oct 25, 2019
Citation in opposition procedure - 006
Oct 25, 2019
Citation in opposition procedure - 007
Oct 25, 2019
Citation in opposition procedure - 008
Oct 25, 2019
Citation in opposition procedure - 009
Oct 25, 2019
Citation in opposition procedure - 010
Oct 25, 2019
Citation in opposition procedure - 011
Oct 25, 2019
Citation in opposition procedure - 012
Oct 25, 2019
Citation in opposition procedure - 013
Oct 25, 2019
Letter accompanying subsequently filed items
Oct 25, 2019
Notice of opposition
Feb 11, 2019
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Jan 7, 2019
Decision to grant a European patent
Dec 11, 2018
(Electronic) Receipt
Dec 11, 2018
Filing of the translations of the claims
Dec 11, 2018
French translation of claims
Dec 11, 2018
German translation of the claims
Dec 11, 2018
Letter accompanying subsequently filed items
Aug 28, 2018
Bibliographic data of the European patent application
Aug 28, 2018
Communication about intention to grant a European patent
Aug 28, 2018
Intention to grant (signatures)
Aug 28, 2018
Text intended for grant (clean copy)
Aug 28, 2018
Text intended for grant (version for approval)
May 23, 2018
(Electronic) Receipt
May 23, 2018
Amended description with annotations
May 23, 2018
Description
May 23, 2018
Letter accompanying subsequently filed items
May 23, 2018
Reply to communication from the Examining Division
Jan 23, 2018
Annex to the communication
Jan 23, 2018
Communication from the Examining Division
Nov 13, 2017
(Electronic) Receipt
Nov 13, 2017
Annex
Nov 13, 2017
Claims
Nov 13, 2017
Letter accompanying subsequently filed items
Nov 13, 2017
Reply to communication from the Examining Division
Jul 3, 2017
Annex to the communication
Jul 3, 2017
Communication from the Examining Division
Apr 18, 2017
Claims
Apr 18, 2017
Reply to communication from the Examining Division
Dec 7, 2016
Annex to the communication
Dec 7, 2016
Communication from the Examining Division
Oct 12, 2016
Acknowledgement of receipt of third party observations
Oct 12, 2016
Transmittal of third party observations to applicant
Oct 7, 2016
(Electronic) Receipt
Oct 7, 2016
Letter accompanying subsequently filed items
Oct 7, 2016
Observations by third parties
Oct 7, 2016
Patent document cited during the examination procedure
Oct 7, 2016
Patent document cited during the examination procedure
Oct 7, 2016
Patent document cited during the examination procedure
Aug 3, 2016
Amended claims filed after receipt of (European) search report
Aug 3, 2016
Amendments received before examination
Feb 2, 2016
Invitation to declare maintenance of the application and to correct deficiencies in the Written Opinion/amend application
Jan 15, 2016
Communication regarding the transmission of the European search report
Jan 15, 2016
European search opinion
Jan 15, 2016
Information on Search Strategy
Jan 15, 2016
Supplementary European search report
Jan 5, 2016
Search started
Apr 15, 2015
Notification of forthcoming publication
Mar 4, 2015
Communication to designated inventor
Mar 4, 2015
Communication to designated inventor
Mar 4, 2015
Communication to designated inventor
Feb 24, 2015
Letter concerning the inventor
Feb 12, 2015
Communication regarding possible amendment of the application/payment of claims fee
Feb 12, 2015
Deficiencies in designation of inventor
Jan 20, 2015
Copy of the international preliminary report on patentability
Jan 20, 2015
Translation of the international preliminary report on patentability
Dec 23, 2014
(Electronic) Receipt
Dec 23, 2014
Abstract
Dec 23, 2014
Claims
Dec 23, 2014
Description
Dec 23, 2014
Drawings
Dec 23, 2014
Request for entry into the European phase
Nov 14, 2014
Information on entry into European phase
Jan 28, 2014
Priority document (electronically transmitted)
Jan 9, 2014
Copy of the international search report
Jan 9, 2014
Copy of the translated international search report
Jan 9, 2014
International publication pamphlet

EP2871200

IDEMITSU KOSAN

Application Number: EP13812542A
Filing Date: Jun 26, 2013
Status: Opposition Rejected; Mar 15, 2024
Publication Date: Jan 30, 2019
External Links: Slate, Register , Google Patents