IP Verse

Polycarbonate Compositions Containing A Carboxylic Acid And Their Glycerol Or Diglycerol Esters

Patent No. EP3458510 (titled "Polycarbonate Compositions Containing A Carboxylic Acid And Their Glycerol Or Diglycerol Esters") was filed by Covestro Deutschland on May 19, 2017. The application was issued on May 24, 2023.

Patent Summary

Patent Family

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
SHPP	Mar 24, 2021	MODIANO

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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Apr 28, 2023
Decision to maintain the European patent in amended form
Apr 28, 2023
Decision to maintain the European patent in amended form
Apr 21, 2023
Termination of the opposition proceedings with maintenance of patent
Apr 11, 2023
(Electronic) Receipt
Apr 11, 2023
English translation of the claims
Apr 11, 2023
Filing of the translation of the amended claims
Apr 11, 2023
French translation of claims
Feb 16, 2023
Communication of bibliographic data
Feb 16, 2023
Communication to opponent concerning maintenance
Feb 16, 2023
Communication with request to file translations
Feb 9, 2023
Maintenance of the patent with the documents specified in the final decision
Dec 15, 2022
(Electronic) Receipt
Dec 15, 2022
Advice of delivery
Dec 15, 2022
Letter accompanying subsequently filed items
Nov 3, 2022
(Electronic) Receipt
Nov 3, 2022
Advice of delivery
Nov 3, 2022
Letter accompanying subsequently filed items
Oct 31, 2022
Annex to the communication - opposition
Oct 31, 2022
Decision of the Opposition Division and instruction
Oct 31, 2022
Druckexemplar in opposition procedure
Oct 31, 2022
Grounds for the decision (Annex) - opposition
Oct 31, 2022
Interlocutory decision in opposition proceedings
Oct 31, 2022
Interlocutory decision in opposition proceedings
Oct 31, 2022
Means of redress
Oct 31, 2022
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Oct 31, 2022
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Oct 31, 2022
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Oct 31, 2022
Provision of a copy of the minutes - opposition procedure
Oct 31, 2022
Provision of a copy of the minutes - opposition procedure
Oct 31, 2022
Scanned annex to a communication - opposition procedure
Oct 31, 2022
Scanned annex to a communication - opposition procedure
Oct 31, 2022
Scanned annex to a communication - opposition procedure
Oct 31, 2022
Scanned annex to a communication - opposition procedure
Oct 31, 2022
Scanned annex to a communication - opposition procedure
Oct 31, 2022
Transmittal of decision / summons - opposition
Oct 31, 2022
Transmittal of decision / summons - opposition
Oct 5, 2022
Any annexes (other than citation) to an opposition letter
Oct 5, 2022
Any annexes (other than citation) to an opposition letter
Oct 5, 2022
Information about the result of oral proceedings
Aug 10, 2022
Brief communication - Opposition proceedings
Aug 4, 2022
(Electronic) Receipt
Aug 4, 2022
Brief communication - Opposition proceedings
Aug 4, 2022
Letter accompanying subsequently filed items
Aug 4, 2022
Written submission in preparation to/during oral proceedings
Jul 29, 2022
(Electronic) Receipt
Jul 29, 2022
Amended description with annotations
Jul 29, 2022
Letter accompanying subsequently filed items
Jul 29, 2022
Written submission in preparation to/during oral proceedings
Jun 17, 2022
Notification concerning the date of oral proceedings
Jun 17, 2022
Notification concerning the date of oral proceedings
Nov 26, 2021
(Electronic) Receipt
Nov 26, 2021
Advice of delivery
Nov 25, 2021
(Electronic) Receipt
Nov 25, 2021
Advice of delivery
Nov 25, 2021
Letter accompanying subsequently filed items
Nov 22, 2021
Annex to the communication - opposition
Nov 22, 2021
Information about the result of oral proceedings
Nov 22, 2021
Information concerning oral proceedings
Nov 22, 2021
Summons to attend oral proceedings
Nov 22, 2021
Summons to attend oral proceedings
Nov 22, 2021
Transmittal of decision / summons - opposition
Nov 22, 2021
Transmittal of decision / summons - opposition
Aug 11, 2021
Brief communication - Opposition proceedings
Aug 5, 2021
(Electronic) Receipt
Aug 5, 2021
Auxiliary request during Opposition procedure
Aug 5, 2021
Auxiliary request during Opposition procedure
Aug 5, 2021
Auxiliary request during Opposition procedure
Aug 5, 2021
Auxiliary request during Opposition procedure
Aug 5, 2021
Auxiliary request during Opposition procedure
Aug 5, 2021
Auxiliary request during Opposition procedure
Aug 5, 2021
Auxiliary request during Opposition procedure
Aug 5, 2021
Auxiliary request during Opposition procedure - 01
Aug 5, 2021
Auxiliary request during Opposition procedure - 02
Aug 5, 2021
Auxiliary request during Opposition procedure - 03
Aug 5, 2021
Auxiliary request during Opposition procedure - 04
Aug 5, 2021
Auxiliary request during Opposition procedure - 05
Aug 5, 2021
Auxiliary request during Opposition procedure - 06
Aug 5, 2021
Auxiliary request during Opposition procedure - 07
Aug 5, 2021
Letter accompanying subsequently filed items
Aug 5, 2021
Main request during Opposition procedure
Aug 5, 2021
Main request during Opposition procedure
Aug 5, 2021
Reply of the patent proprietor to the notice(s) of opposition
Apr 9, 2021
Communication of a notice of opposition and request to file observations
Apr 9, 2021
Notice of further oppositions to opponent(s)
Mar 31, 2021
(Electronic) Receipt
Mar 31, 2021
General authorisation
Mar 31, 2021
Letter accompanying subsequently filed items
Mar 31, 2021
Request concerning the applicant/representative
Mar 30, 2021
Communication of a notice of opposition - first information to patent proprietor
Mar 24, 2021
(Electronic) Receipt
Mar 24, 2021
Citation in opposition procedure - 001
Mar 24, 2021
Citation in opposition procedure - 002
Mar 24, 2021
Citation in opposition procedure - 002
Mar 24, 2021
Citation in opposition procedure - 003
Mar 24, 2021
Citation in opposition procedure - 003
Mar 24, 2021
Consolidated list of cited opposition documents
Mar 24, 2021
General authorisation
Mar 24, 2021
Notice of opposition
Mar 24, 2021
Notice of opposition
Mar 24, 2021
Submission concerning representation
Mar 24, 2021
Submission concerning representation
Jul 6, 2020
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
May 28, 2020
Decision to grant a European patent
Apr 24, 2020
(Electronic) Receipt
Apr 24, 2020
English translation of the claims
Apr 24, 2020
French translation of claims
Apr 24, 2020
Letter accompanying subsequently filed items
Feb 20, 2020
Annex to the communication about intention to grant a European patent
Feb 20, 2020
Bibliographic data of the European patent application
Feb 20, 2020
Communication about intention to grant a European patent
Feb 20, 2020
Intention to grant (signatures)
Feb 20, 2020
Text intended for grant (clean copy)
Feb 20, 2020
Text intended for grant (version for approval)
Feb 3, 2020
Examination started
Jun 17, 2019
(Electronic) Receipt
Jun 17, 2019
Annex
Jun 17, 2019
Letter accompanying subsequently filed items
Jun 17, 2019
Reply to Written Opinion prepared by the EPO
Feb 27, 2019
Notification on forthcoming publication of bibliographic data
Jan 8, 2019
Communication concerning correction of deficiencies in written opinion/amendment of application/payment of claims fee
Jan 4, 2019
Communication to designated inventor
Jan 4, 2019
Communication to designated inventor
Jan 4, 2019
Communication to designated inventor
Dec 22, 2018
Priority search results copy provided by EPO
Dec 6, 2018
Copy of the international preliminary report on patentability
Nov 20, 2018
Notification of the recording of a change
Nov 20, 2018
Notification of the recording of a change
Oct 25, 2018
(Electronic) Receipt
Oct 25, 2018
Request for entry into the European phase
Sep 28, 2018
Information on entry into European phase
Dec 12, 2017
Priority document (electronically transmitted)
Nov 23, 2017
Copy of the international search report
Nov 23, 2017
Copy of the international search report
Nov 23, 2017
Published international application - A1
Jul 7, 2017
ISR: cited documents
Jul 7, 2017
International Search Report - copy in English for the IB
Jul 6, 2017
Written opinion of the ISA, boxes No. I to VIII
Jul 6, 2017
Written opinion of the ISA, cover sheet
Jul 6, 2017
Written opinion of the ISA, supplemental box
Jun 29, 2017
(Electronic) Receipt
Jun 29, 2017
Incoming letter related to PCT RO
Jun 29, 2017
Incoming letter related to PCT RO
Jun 8, 2017
Invitation to correct defects in the international application
Jun 8, 2017
Notification of receipt of Search copy
Jun 8, 2017
Notification of the international application number and of the international filing date
Jun 2, 2017
Request form for international application (copy for ISA/EP)
May 19, 2017
(Electronic) Receipt
May 19, 2017
Abstract
May 19, 2017
Claims
May 19, 2017
Description
May 19, 2017
Document concerning fees and payments
May 19, 2017
Electronic request for grant of an International application
May 19, 2017
Priority document (RO-procedure)

EP3458510

COVESTRO DEUTSCHLAND

Application Number: EP17725932A
Filing Date: May 19, 2017
Status: Patent Maintained As Amended; Apr 21, 2023
Publication Date: May 24, 2023
External Links: Slate, Register , Google Patents