Pbat Resin Composition

Patent No. EP3428232 (titled "Pbat Resin Composition") was filed by Tianjin Kingfa NEW Material on Aug 30, 2016. 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
BASF	May 10, 2022	MEISSNER BOLTE PARTNERSCHAFT MBB
NOVAMONT	May 10, 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

Get instant alerts for new documents

Jan 16, 2026
F3348 Confirmation of withdrawal of the opposition by the respondent and former opponent
Jan 16, 2026
F3348 Confirmation of withdrawal of the opposition by the respondent and former opponent
Jan 15, 2026
F3345 Forwarding of submissions to parties
Jan 14, 2026
(Electronic) Receipt
Jan 14, 2026
Letter accompanying subsequently filed items
Jan 14, 2026
Withdrawal of an opposition
Aug 13, 2025
F3345 Forwarding of submissions to parties
Aug 13, 2025
F3345 Forwarding of submissions to parties
Aug 13, 2025
F3348 Confirmation of withdrawal of the opposition by the respondent and former opponent
Aug 13, 2025
F3348 Confirmation of withdrawal of the opposition by the respondent and former opponent
Aug 13, 2025
F3348 Confirmation of withdrawal of the opposition by the respondent and former opponent
Aug 8, 2025
(Electronic) Receipt
Aug 8, 2025
Withdrawal of an opposition
Jul 29, 2025
F3345 Forwarding of submissions to parties
Jul 29, 2025
F3345 Forwarding of submissions to parties
Jul 23, 2025
(Electronic) Receipt
Jul 23, 2025
Letter accompanying subsequently filed items
Jul 23, 2025
Letter dealing with oral proceedings during the appeal procedure
Jul 16, 2025
F3004 Communication of the Registry
Jul 16, 2025
F3004 Communication of the Registry
Jul 16, 2025
F3004 Communication of the Registry
Jul 16, 2025
F3011.1 Oral Proceedings: summons
Jul 16, 2025
F3011.1 Oral Proceedings: summons
Jul 16, 2025
F3011.1 Oral Proceedings: summons
Jul 11, 2025
F3010 Oral proceedings: order for summons
Aug 21, 2024
F3345 Forwarding of submissions to parties
Aug 21, 2024
F3345 Forwarding of submissions to parties
Aug 15, 2024
(Electronic) Receipt
Aug 15, 2024
Letter accompanying subsequently filed items
Aug 15, 2024
Reply to appeal
Apr 15, 2024
F3344 Setting time limit for reply/ file observations to appeal (inter partes)
Apr 15, 2024
F3344 Setting time limit for reply/ file observations to appeal (inter partes)
Apr 10, 2024
(Electronic) Receipt
Apr 10, 2024
Amended claims with annotations
Apr 10, 2024
Amended claims with annotations
Apr 10, 2024
Amended claims with annotations
Apr 10, 2024
Amended claims with annotations
Apr 10, 2024
Amended claims with annotations
Apr 10, 2024
Amended claims with annotations
Apr 10, 2024
Amended claims with annotations
Apr 10, 2024
Amended claims with annotations
Apr 10, 2024
Amended claims with annotations
Apr 10, 2024
Amended claims with annotations
Apr 10, 2024
Amended claims with annotations
Apr 10, 2024
Amended claims with annotations
Apr 10, 2024
Amended claims with annotations
Apr 10, 2024
Auxiliary request during appeals procedure - 01
Apr 10, 2024
Auxiliary request during appeals procedure - 02
Apr 10, 2024
Auxiliary request during appeals procedure - 03
Apr 10, 2024
Auxiliary request during appeals procedure - 04
Apr 10, 2024
Auxiliary request during appeals procedure - 05
Apr 10, 2024
Auxiliary request during appeals procedure - 06
Apr 10, 2024
Auxiliary request during appeals procedure - 07
Apr 10, 2024
Auxiliary request during appeals procedure - 08
Apr 10, 2024
Auxiliary request during appeals procedure - 09
Apr 10, 2024
Auxiliary request during appeals procedure - 10
Apr 10, 2024
Auxiliary request during appeals procedure - 11
Apr 10, 2024
Auxiliary request during appeals procedure - 12
Apr 10, 2024
Cited document during appeal procedure
Apr 10, 2024
Letter accompanying subsequently filed items
Apr 10, 2024
Main request during appeals procedure
Apr 10, 2024
Statement of grounds of appeal
Mar 22, 2024
F3345 Forwarding of submissions to parties
Mar 22, 2024
F3345 Forwarding of submissions to parties
Mar 13, 2024
Letter accompanying subsequently filed items
Mar 13, 2024
Request for change of opponent's representative
Mar 6, 2024
Composition of the board (T)
Feb 19, 2024
F3204 Communication of the file number to the parties
Feb 19, 2024
F3204 Communication of the file number to the parties
Feb 19, 2024
F3204 Communication of the file number to the parties
Feb 14, 2024
(Electronic) Receipt
Feb 14, 2024
Letter accompanying subsequently filed items
Feb 14, 2024
Notice of appeal
Dec 19, 2023
Advice of delivery
Dec 15, 2023
Annex to the communication - opposition
Dec 15, 2023
Decision revoking the European patent
Dec 15, 2023
Decision revoking the European patent
Dec 15, 2023
Decision revoking the European patent
Dec 15, 2023
Grounds for the decision (Annex) - opposition
Dec 15, 2023
Means of redress
Dec 15, 2023
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Dec 15, 2023
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Dec 15, 2023
Provision of a copy of the minutes - opposition procedure
Dec 15, 2023
Provision of a copy of the minutes - opposition procedure
Dec 15, 2023
Provision of a copy of the minutes - opposition procedure
Dec 15, 2023
Scanned annex to a communication - opposition procedure
Dec 15, 2023
Scanned annex to a communication - opposition procedure
Dec 15, 2023
Transmittal of decision / summons - opposition
Dec 15, 2023
Transmittal of decision / summons - opposition
Dec 15, 2023
Transmittal of decision / summons - opposition
Dec 13, 2023
Decision of the Opposition Division and instruction
Nov 22, 2023
Information about the result of oral proceedings
Oct 2, 2023
Brief communication - Opposition proceedings
Oct 2, 2023
Brief communication - Opposition proceedings
Oct 2, 2023
Brief communication - Opposition proceedings
Sep 29, 2023
Brief communication - Opposition proceedings
Sep 29, 2023
Brief communication - Opposition proceedings
Sep 22, 2023
(Electronic) Receipt
Sep 22, 2023
(Electronic) Receipt
Sep 22, 2023
(Electronic) Receipt
Sep 22, 2023
Auxiliary request during Opposition procedure
Sep 22, 2023
Auxiliary request during Opposition procedure
Sep 22, 2023
Auxiliary request during Opposition procedure
Sep 22, 2023
Auxiliary request during Opposition procedure
Sep 22, 2023
Auxiliary request during Opposition procedure
Sep 22, 2023
Auxiliary request during Opposition procedure
Sep 22, 2023
Auxiliary request during Opposition procedure
Sep 22, 2023
Auxiliary request during Opposition procedure
Sep 22, 2023
Auxiliary request during Opposition procedure
Sep 22, 2023
Auxiliary request during Opposition procedure
Sep 22, 2023
Auxiliary request during Opposition procedure
Sep 22, 2023
Auxiliary request during Opposition procedure
Sep 22, 2023
Auxiliary request during Opposition procedure
Sep 22, 2023
Auxiliary request during Opposition procedure
Sep 22, 2023
Auxiliary request during Opposition procedure
Sep 22, 2023
Auxiliary request during Opposition procedure
Sep 22, 2023
Auxiliary request during Opposition procedure
Sep 22, 2023
Auxiliary request during Opposition procedure
Sep 22, 2023
Auxiliary request during Opposition procedure
Sep 22, 2023
Auxiliary request during Opposition procedure
Sep 22, 2023
Auxiliary request during Opposition procedure
Sep 22, 2023
Auxiliary request during Opposition procedure
Sep 22, 2023
Auxiliary request during Opposition procedure
Sep 22, 2023
Auxiliary request during Opposition procedure - 01
Sep 22, 2023
Auxiliary request during Opposition procedure - 02
Sep 22, 2023
Auxiliary request during Opposition procedure - 03
Sep 22, 2023
Auxiliary request during Opposition procedure - 03
Sep 22, 2023
Auxiliary request during Opposition procedure - 03
Sep 22, 2023
Auxiliary request during Opposition procedure - 04
Sep 22, 2023
Auxiliary request during Opposition procedure - 04
Sep 22, 2023
Auxiliary request during Opposition procedure - 04
Sep 22, 2023
Auxiliary request during Opposition procedure - 05
Sep 22, 2023
Auxiliary request during Opposition procedure - 05
Sep 22, 2023
Auxiliary request during Opposition procedure - 05
Sep 22, 2023
Auxiliary request during Opposition procedure - 06
Sep 22, 2023
Auxiliary request during Opposition procedure - 06
Sep 22, 2023
Auxiliary request during Opposition procedure - 06
Sep 22, 2023
Auxiliary request during Opposition procedure - 07
Sep 22, 2023
Auxiliary request during Opposition procedure - 07
Sep 22, 2023
Auxiliary request during Opposition procedure - 07
Sep 22, 2023
Auxiliary request during Opposition procedure - 08
Sep 22, 2023
Auxiliary request during Opposition procedure - 08
Sep 22, 2023
Auxiliary request during Opposition procedure - 08
Sep 22, 2023
Auxiliary request during Opposition procedure - 09
Sep 22, 2023
Auxiliary request during Opposition procedure - 09
Sep 22, 2023
Auxiliary request during Opposition procedure - 09
Sep 22, 2023
Brief communication - Opposition proceedings
Sep 22, 2023
Brief communication - Opposition proceedings
Sep 22, 2023
Citation in opposition procedure - 023
Sep 22, 2023
Consolidated list of cited opposition documents
Sep 22, 2023
Letter accompanying subsequently filed items
Sep 22, 2023
Letter accompanying subsequently filed items
Sep 22, 2023
Letter accompanying subsequently filed items
Sep 22, 2023
Written submission in preparation to/during oral proceedings
Sep 22, 2023
Written submission in preparation to/during oral proceedings
Sep 22, 2023
Written submission in preparation to/during oral proceedings
Sep 15, 2023
(Electronic) Receipt
Sep 15, 2023
Letter accompanying subsequently filed items
Sep 15, 2023
Request for interpreters during oral proceedings
Aug 22, 2023
Brief communication - Opposition proceedings
Aug 22, 2023
Brief communication - Opposition proceedings
Aug 11, 2023
(Electronic) Receipt
Aug 11, 2023
Letter accompanying subsequently filed items
Aug 11, 2023
Written submission in preparation to/during oral proceedings
Apr 18, 2023
Notification concerning the date of oral proceedings
Apr 18, 2023
Notification concerning the date of oral proceedings
Apr 18, 2023
Notification concerning the date of oral proceedings
Apr 13, 2023
Brief communication - Opposition proceedings
Apr 13, 2023
Brief communication - Opposition proceedings
Apr 5, 2023
(Electronic) Receipt
Apr 5, 2023
Any annexes (other than citation) to an opposition letter
Apr 5, 2023
Any annexes (other than citation) to an opposition letter
Apr 5, 2023
Any annexes (other than citation) to an opposition letter
Apr 5, 2023
Letter accompanying subsequently filed items
Apr 5, 2023
Oral proceedings: Request for postponement
Mar 17, 2023
Brief communication - Opposition proceedings
Mar 17, 2023
Brief communication - Opposition proceedings
Mar 14, 2023
(Electronic) Receipt
Mar 14, 2023
Citation in opposition procedure - 021
Mar 14, 2023
Citation in opposition procedure - 022
Mar 14, 2023
Consolidated list of cited opposition documents
Mar 14, 2023
Letter accompanying subsequently filed items
Mar 14, 2023
Written submission in preparation to/during oral proceedings
Dec 27, 2022
Advice of delivery
Dec 23, 2022
(Electronic) Receipt
Dec 23, 2022
Advice of delivery
Dec 23, 2022
Advice of delivery
Dec 23, 2022
Annex to the communication - opposition
Dec 23, 2022
Information concerning oral proceedings
Dec 23, 2022
Letter accompanying subsequently filed items
Dec 23, 2022
Scanned annex to a communication - opposition procedure
Dec 23, 2022
Summons to attend oral proceedings
Dec 23, 2022
Summons to attend oral proceedings
Dec 23, 2022
Summons to attend oral proceedings
Dec 23, 2022
Transmittal of decision / summons - opposition
Dec 23, 2022
Transmittal of decision / summons - opposition
Dec 23, 2022
Transmittal of decision / summons - opposition
Oct 25, 2022
Brief communication - Opposition proceedings
Oct 25, 2022
Brief communication - Opposition proceedings
Oct 24, 2022
Communication of amended entries
Oct 13, 2022
Request concerning representative opponent
Oct 12, 2022
Brief communication - Opposition proceedings
Oct 12, 2022
Brief communication - Opposition proceedings
Oct 6, 2022
(Electronic) Receipt
Oct 6, 2022
Letter accompanying subsequently filed items
Oct 6, 2022
Reply of the patent proprietor to the notice(s) of opposition
May 31, 2022
Communication of a notice of opposition and request to file observations
May 31, 2022
Notice of further oppositions to opponent(s)
May 31, 2022
Notice of further oppositions to opponent(s)
May 16, 2022
Communication of a notice of opposition - first information to patent proprietor
May 10, 2022
(Electronic) Receipt
May 10, 2022
(Electronic) Receipt
May 10, 2022
Citation in opposition procedure
May 10, 2022
Citation in opposition procedure
May 10, 2022
Citation in opposition procedure
May 10, 2022
Citation in opposition procedure - 001
May 10, 2022
Citation in opposition procedure - 002
May 10, 2022
Citation in opposition procedure - 003
May 10, 2022
Citation in opposition procedure - 004
May 10, 2022
Citation in opposition procedure - 005
May 10, 2022
Citation in opposition procedure - 006
May 10, 2022
Citation in opposition procedure - 006
May 10, 2022
Citation in opposition procedure - 006
May 10, 2022
Citation in opposition procedure - 006
May 10, 2022
Citation in opposition procedure - 006
May 10, 2022
Citation in opposition procedure - 006
May 10, 2022
Citation in opposition procedure - 006
May 10, 2022
Citation in opposition procedure - 007
May 10, 2022
Citation in opposition procedure - 007
May 10, 2022
Citation in opposition procedure - 007
May 10, 2022
Citation in opposition procedure - 007
May 10, 2022
Citation in opposition procedure - 008
May 10, 2022
Citation in opposition procedure - 009
May 10, 2022
Citation in opposition procedure - 010
May 10, 2022
Citation in opposition procedure - 011
May 10, 2022
Citation in opposition procedure - 012
May 10, 2022
Citation in opposition procedure - 013
May 10, 2022
Citation in opposition procedure - 014
May 10, 2022
Citation in opposition procedure - 015
May 10, 2022
Citation in opposition procedure - 016
May 10, 2022
Citation in opposition procedure - 017
May 10, 2022
Citation in opposition procedure - 018
May 10, 2022
Citation in opposition procedure - 019
May 10, 2022
Citation in opposition procedure - 020
May 10, 2022
Notice of opposition
May 10, 2022
Notice of opposition
May 10, 2022
Notice of opposition
May 10, 2022
Notice of opposition
Aug 24, 2021
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Aug 18, 2021
Refund of fees
Jul 15, 2021
Decision to grant a European patent
Jul 5, 2021
(Electronic) Receipt
Jul 5, 2021
Filing of the translations of the claims
Jul 5, 2021
French translation of claims
Jul 5, 2021
German translation of the claims
Jul 5, 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)
Feb 2, 2021
Examination started
Jun 17, 2020
(Electronic) Receipt
Jun 17, 2020
Letter accompanying subsequently filed items
Jun 17, 2020
Reply to invitation to file a copy of priority search results
Apr 23, 2020
Invitation to file a copy of search results(priority)
Apr 9, 2020
(Electronic) Receipt
Apr 9, 2020
Amended claims filed after receipt of (European) search report
Apr 9, 2020
Amended claims with annotations
Apr 9, 2020
Amended description filed after receipt of (European) search report
Apr 9, 2020
Amended description with annotations
Apr 9, 2020
Amendments received before examination
Apr 9, 2020
Letter accompanying subsequently filed items
Oct 7, 2019
Invitation to declare maintenance of the application and to correct deficiencies in the Written Opinion/amend application
Sep 18, 2019
Communication regarding the transmission of the European search report
Sep 18, 2019
Document annexed to the Extended European Search Report
Sep 18, 2019
European search opinion
Sep 18, 2019
Information on Search Strategy
Sep 18, 2019
Supplementary European search report
Sep 9, 2019
Search started
Dec 19, 2018
Notification of forthcoming publication
Oct 16, 2018
Communication regarding possible amendment of the application/payment of claims fee
Oct 12, 2018
Communication to designated inventor
Oct 12, 2018
Communication to designated inventor
Oct 12, 2018
Communication to designated inventor
Oct 12, 2018
Communication to designated inventor
Oct 12, 2018
Communication to designated inventor
Oct 12, 2018
Communication to designated inventor
Oct 12, 2018
Communication to designated inventor
Oct 12, 2018
Communication to designated inventor
Oct 12, 2018
Communication to designated inventor
Oct 12, 2018
Communication to designated inventor
Oct 12, 2018
Communication to designated inventor
Oct 12, 2018
Communication to designated inventor
Sep 26, 2018
Copy of the international preliminary report on patentability
Sep 26, 2018
Translation of the international preliminary report on patentability
Mar 8, 2018
Notification of the recording of a change
Nov 17, 2017
Notification of the recording of a change
Nov 14, 2017
Communication for party to proceedings/third party
Oct 18, 2017
(Electronic) Receipt
Oct 18, 2017
Letter accompanying subsequently filed items
Oct 18, 2017
Request for correction of errors in filed documents
Oct 2, 2017
Priority document (electronically transmitted)
Sep 29, 2017
(Electronic) Receipt
Sep 29, 2017
Abstract
Sep 29, 2017
Amended claims filed after receipt of (European) search report
Sep 29, 2017
Claims
Sep 29, 2017
Description
Sep 29, 2017
Request for entry into the European phase
Sep 14, 2017
Copy of the international search report
Sep 14, 2017
Copy of the translated international search report
Sep 14, 2017
International publication pamphlet

EP3428232

TIANJIN KINGFA NEW MATERIAL

Application Number: EP16893242A
Filing Date: Aug 30, 2016
Status: Granted And Under Opposition; Jul 9, 2021
Publication Date: Aug 11, 2021
External Links: Slate, Register , Google Patents

IP Verse

Pbat Resin Composition

Patent Summary

Patent Family

Patent Oppositions (2)

Dossier Documents

EP3428232