Biodegradable Polyester And Use Thereof

Patent No. EP3660070 (titled "Biodegradable Polyester And Use Thereof") was filed by Kingfa SCI & Tech on Jun 26, 2018. The application was issued on Aug 11, 2021.

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
NOVAMONT	May 11, 2022	MAIWALD

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 21, 2024
Communication to the parties concerning the termination of the opposition proceedings (opponent)
May 21, 2024
Communication to the parties concerning the termination of the opposition proceedings (proprietor)
Feb 14, 2024
Annex to the communication - opposition
Feb 14, 2024
Brief communication - Opposition proceedings
Feb 14, 2024
Brief communication - Opposition proceedings
Feb 14, 2024
Decision of the Opposition Division and instruction
Feb 14, 2024
Decision revoking the European patent
Feb 14, 2024
Decision revoking the European patent
Feb 14, 2024
Grounds for the decision (Annex) - opposition
Feb 14, 2024
Means of redress
Feb 14, 2024
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Feb 14, 2024
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Feb 14, 2024
Provision of a copy of the minutes - opposition procedure
Feb 14, 2024
Provision of a copy of the minutes - opposition procedure
Feb 14, 2024
Scanned annex to a communication - opposition procedure
Feb 1, 2024
Information about the result of oral proceedings
Jan 23, 2024
(Electronic) Receipt
Dec 7, 2023
Brief communication - Opposition proceedings
Dec 7, 2023
Brief communication - Opposition proceedings
Dec 1, 2023
(Electronic) Receipt
Dec 1, 2023
(Electronic) Receipt
Dec 1, 2023
Auxiliary request during Opposition procedure
Dec 1, 2023
Auxiliary request during Opposition procedure
Dec 1, 2023
Auxiliary request during Opposition procedure
Dec 1, 2023
Auxiliary request during Opposition procedure - 01
Dec 1, 2023
Auxiliary request during Opposition procedure - 02
Dec 1, 2023
Auxiliary request during Opposition procedure - 03
Dec 1, 2023
Citation in opposition procedure - 006
Dec 1, 2023
Citation in opposition procedure - 007
Dec 1, 2023
Consolidated list of cited opposition documents
Dec 1, 2023
Letter accompanying subsequently filed items
Dec 1, 2023
Letter accompanying subsequently filed items
Dec 1, 2023
Written submission in preparation to/during oral proceedings
Dec 1, 2023
Written submission in preparation to/during oral proceedings
Oct 10, 2023
Brief communication - Opposition proceedings
Oct 5, 2023
(Electronic) Receipt
Oct 5, 2023
Letter accompanying subsequently filed items
Oct 5, 2023
Request for interpreters during oral proceedings
Feb 10, 2023
Advice of delivery
Feb 10, 2023
Annex to the communication - opposition
Feb 10, 2023
Scanned annex to a communication - opposition procedure
Feb 10, 2023
Summons to attend oral proceedings
Feb 10, 2023
Summons to attend oral proceedings
Feb 10, 2023
Transmittal of decision / summons - opposition
Feb 10, 2023
Transmittal of decision / summons - opposition
Oct 24, 2022
Brief communication - Opposition proceedings
Oct 24, 2022
Communication of amended entries
Oct 13, 2022
Request concerning representative opponent
Oct 7, 2022
Brief communication - Opposition proceedings
Oct 4, 2022
(Electronic) Receipt
Oct 4, 2022
Letter accompanying subsequently filed items
Oct 4, 2022
Reply of the patent proprietor to the notice(s) of opposition
Jun 7, 2022
Brief communication - Opposition proceedings
Jun 7, 2022
Communication concerning the filing of a power of attorney
Jun 7, 2022
Communication of amended entries concerning the representative
May 30, 2022
(Electronic) Receipt
May 30, 2022
General authorisation
May 30, 2022
Letter accompanying subsequently filed items (CDR)
May 30, 2022
Submission concerning change of proprietor's representative
May 25, 2022
Communication of a notice of opposition and request to file observations
May 25, 2022
Notice of further oppositions to opponent(s)
May 17, 2022
Communication of a notice of opposition - first information to patent proprietor
May 11, 2022
(Electronic) Receipt
May 11, 2022
Citation in opposition procedure - 001
May 11, 2022
Citation in opposition procedure - 002
May 11, 2022
Citation in opposition procedure - 003
May 11, 2022
Citation in opposition procedure - 004
May 11, 2022
Citation in opposition procedure - 005
May 11, 2022
Notice of opposition
May 11, 2022
Notice of opposition
Aug 24, 2021
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Jul 15, 2021
Decision to grant a European patent
Jun 29, 2021
(Electronic) Receipt
Jun 29, 2021
French translation of claims
Jun 29, 2021
German translation of the claims
Jun 29, 2021
Letter accompanying subsequently filed items
Mar 9, 2021
Bibliographic data of the European patent application
Mar 9, 2021
Communication about intention to grant a European patent
Mar 9, 2021
Text intended for grant (clean copy)
Mar 9, 2021
Text intended for grant (version for approval)
Mar 8, 2021
Intention to grant (signatures)
Mar 1, 2021
Communication of amended entries concerning the representative
Feb 23, 2021
Submission concerning change of applicant's representative
Feb 15, 2021
Examination started
Oct 16, 2020
(Electronic) Receipt
Oct 16, 2020
Letter accompanying subsequently filed items
Oct 16, 2020
Priority search results
Oct 16, 2020
Reply to invitation to file a copy of priority search results
Oct 2, 2020
Invitation to file a copy of search results(priority)
Sep 23, 2020
(Electronic) Receipt
Sep 23, 2020
Amended claims filed after receipt of (European) search report
Sep 23, 2020
Amended claims with annotations
Sep 23, 2020
Amended description filed after receipt of (European) search report
Sep 23, 2020
Amended description with annotations
Sep 23, 2020
Amendments received before examination
Sep 23, 2020
Letter accompanying subsequently filed items
Jun 19, 2020
Invitation to declare maintenance of the application and to correct deficiencies in the Written Opinion/amend application
Jun 2, 2020
Communication regarding the transmission of the European search report
Jun 2, 2020
European search opinion
Jun 2, 2020
Information on Search Strategy
Jun 2, 2020
Supplementary European search report
May 15, 2020
Search started
May 11, 2020
Copy of the international preliminary report on patentability
May 11, 2020
Translation of the international preliminary report on patentability
May 7, 2020
Notification of forthcoming publication
May 7, 2020
Transmission of a document (International preliminary examination report)
Mar 12, 2020
Confirmation of effective date of early entry
Mar 12, 2020
Enquiry with the International Bureau
Mar 11, 2020
Communication to designated inventor
Mar 11, 2020
Communication to designated inventor
Mar 11, 2020
Communication to designated inventor
Mar 11, 2020
Communication to designated inventor
Mar 11, 2020
Communication to designated inventor
Mar 11, 2020
Communication to designated inventor
Mar 11, 2020
Communication to designated inventor
Mar 11, 2020
Communication to designated inventor
Mar 6, 2020
Information on entry into European phase
Feb 28, 2020
(Electronic) Receipt
Feb 28, 2020
Abstract
Feb 28, 2020
Amended claims filed after receipt of (European) search report
Feb 28, 2020
Claims
Feb 28, 2020
Description
Feb 28, 2020
Modified abstract
Feb 28, 2020
Request for entry into the European phase
Feb 25, 2020
Notification of the recording of a change
Feb 25, 2020
Notification of the recording of a change
Feb 25, 2020
Notification of the recording of a change
May 21, 2019
Priority document (electronically transmitted)
May 2, 2019
Copy of the international search report
May 2, 2019
Copy of the translated international search report
May 2, 2019
International publication pamphlet

EP3660070

KINGFA SCI & TECH

Application Number: EP18870205A
Filing Date: Jun 26, 2018
Status: Revoked; May 17, 2024
Publication Date: Aug 11, 2021
External Links: Slate, Register , Google Patents

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Biodegradable Polyester And Use Thereof

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Dossier Documents

EP3660070