Coloured Pvb

Patent No. EP3688525 (titled "Coloured Pvb") was filed by Saint Gobain on Sep 20, 2018. The application was issued on Feb 28, 2024.

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
EASTMAN CHEMICAL	Nov 28, 2024	WALLINGER RICKER SCHLOTTER TOSTMANN

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

Apr 10, 2026
(Electronic) Receipt
Apr 10, 2026
(Electronic) Receipt
Apr 10, 2026
Letter accompanying subsequently filed items
Apr 10, 2026
Letter accompanying subsequently filed items
Apr 10, 2026
Request for interpreters during oral proceedings
Apr 10, 2026
Written submission in preparation to/during oral proceedings
Apr 10, 2026
Written submission in preparation to/during oral proceedings
Apr 10, 2026
Written submission in preparation to/during oral proceedings
Sep 18, 2025
Annex to the communication - opposition
Sep 18, 2025
Information concerning oral proceedings
Sep 18, 2025
Scanned annex to a communication - opposition procedure
Sep 18, 2025
Summons to attend oral proceedings
Sep 18, 2025
Summons to attend oral proceedings
Aug 1, 2025
Brief communication - Opposition proceedings
Jul 29, 2025
(Electronic) Receipt
Jul 29, 2025
Letter accompanying subsequently filed items
Jul 29, 2025
Letter regarding the opposition procedure (no time limit)
Jul 22, 2025
Brief communication - Opposition proceedings
Jul 16, 2025
(Electronic) Receipt
Jul 16, 2025
Letter accompanying subsequently filed items
Jul 16, 2025
Letter regarding the opposition procedure (no time limit)
Apr 16, 2025
Brief communication - Opposition proceedings
Apr 10, 2025
(Electronic) Receipt
Apr 10, 2025
Authorisation
Apr 10, 2025
Letter accompanying subsequently filed items
Apr 10, 2025
Main request during Opposition procedure
Apr 10, 2025
Main request during Opposition procedure
Apr 10, 2025
Reply of the patent proprietor to the notice(s) of opposition
Dec 10, 2024
Communication of a notice of opposition and request to file observations
Dec 10, 2024
Notice of further oppositions to opponent(s)
Dec 4, 2024
Communication of a notice of opposition - first information to patent proprietor
Nov 28, 2024
(Electronic) Receipt
Nov 28, 2024
Citation in opposition procedure - 001
Nov 28, 2024
Citation in opposition procedure - 002
Nov 28, 2024
Citation in opposition procedure - 003
Nov 28, 2024
Citation in opposition procedure - 004
Nov 28, 2024
Citation in opposition procedure - 005
Nov 28, 2024
Citation in opposition procedure - 006
Nov 28, 2024
Citation in opposition procedure - 007
Nov 28, 2024
Consolidated list of cited opposition documents
Nov 28, 2024
Notice of opposition
Nov 28, 2024
Notice of opposition
Mar 13, 2024
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Feb 1, 2024
Decision to grant a European patent
Jan 23, 2024
(Electronic) Receipt
Jan 23, 2024
English translation of the claims
Jan 23, 2024
Filing of the translations of the claims
Jan 23, 2024
German translation of the claims
Jan 23, 2024
Letter accompanying subsequently filed items
Oct 9, 2023
Annex to the communication about intention to grant a European patent
Oct 9, 2023
Bibliographic data of the European patent application
Oct 9, 2023
Communication about intention to grant a European patent
Oct 9, 2023
Intention to grant (signatures)
Oct 9, 2023
Text intended for grant (clean copy)
Oct 9, 2023
Text intended for grant (version for approval)
Oct 4, 2023
Annex to a communication
Oct 4, 2023
Annex to the communication
Oct 4, 2023
Minutes of the oral proceedings (examining division)
Oct 4, 2023
Minutes of the oral proceedings (examining division)
Oct 4, 2023
Provision of a copy of the minutes of oral proceedings
Sep 5, 2023
Notification concerning the date of oral proceedings
Sep 4, 2023
Annex to the communication
Sep 4, 2023
Consultation by telephone/in person
Sep 4, 2023
Result of consultation by telephone/in person
Aug 24, 2023
(Electronic) Receipt
Aug 24, 2023
Communication for party to proceedings/third party
Aug 24, 2023
Letter accompanying subsequently filed items
Aug 4, 2023
(Electronic) Receipt
Aug 4, 2023
Amended claims with annotations
Aug 4, 2023
Amended claims with annotations
Aug 4, 2023
Amended claims with annotations
Aug 4, 2023
Amended claims with annotations
Aug 4, 2023
Amended claims with annotations
Aug 4, 2023
Claims
Aug 4, 2023
Claims
Aug 4, 2023
Claims
Aug 4, 2023
Claims
Aug 4, 2023
Claims
Aug 4, 2023
Letter accompanying subsequently filed items
Aug 4, 2023
Written submission in preparation to/during oral proceedings
Feb 6, 2023
Annex to the communication
Feb 6, 2023
Summons to attend oral proceedings
Dec 14, 2021
(Electronic) Receipt
Dec 14, 2021
Amended claims with annotations
Dec 14, 2021
Claims
Dec 14, 2021
Letter accompanying subsequently filed items
Dec 14, 2021
Reply to communication from the Examining Division
Oct 7, 2021
Grant of extension of time limit (examination procedure)
Oct 4, 2021
(Electronic) Receipt
Oct 4, 2021
Letter accompanying subsequently filed items
Oct 4, 2021
Request for extension of time limit to communication from the Examining Division
Jun 4, 2021
Annex to the communication
Jun 4, 2021
Communication from the Examining Division
May 27, 2021
Examination started
Oct 30, 2020
(Electronic) Receipt
Oct 30, 2020
Letter accompanying subsequently filed items
Oct 30, 2020
Reply to Written Opinion prepared by the EPO
Jul 8, 2020
Notification on forthcoming publication of bibliographic data
May 11, 2020
Communication concerning correction of deficiencies in written opinion/amendment of application/payment of claims fee
May 11, 2020
Communication of the registration of a transfer or change of name and/or address
May 7, 2020
Communication to designated inventor
May 7, 2020
Communication to designated inventor
May 5, 2020
Letter accompanying subsequently filed items
May 5, 2020
Submission concerning change of applicant's address
May 5, 2020
Submission concerning change of applicant's address
May 1, 2020
Priority search results copy provided by EPO
Apr 14, 2020
Copy of the international preliminary report on patentability
Mar 5, 2020
(Electronic) Receipt
Mar 5, 2020
Request for entry into the European phase
Feb 7, 2020
Information on entry into European phase
May 9, 2019
Priority document (electronically transmitted)
Apr 4, 2019
Copy of the international search report
Apr 4, 2019
Copy of the international search report
Apr 4, 2019
Published international application - A1
Jan 18, 2019
ISR: cited documents
Jan 18, 2019
International Search Report - copy in English for the IB
Jan 17, 2019
Written opinion of the ISA, boxes No. I to VIII
Jan 17, 2019
Written opinion of the ISA, cover sheet
Jan 17, 2019
Written opinion of the ISA, supplemental box
Nov 27, 2018
Notification of receipt of Search copy
Nov 17, 2018
Abstract
Nov 17, 2018
Claims
Nov 17, 2018
Description
Nov 17, 2018
Drawings
Nov 17, 2018
Request form for international application (copy for ISA/EP)
Nov 17, 2018
Submission concerning representation

EP3688525

SAINT GOBAIN

Application Number: EP18800693A
Filing Date: Sep 20, 2018
Status: Granted And Under Opposition; Jan 26, 2024
Publication Date: Feb 28, 2024
External Links: Slate, Register , Google Patents

IP Verse

Coloured Pvb

Patent Summary

Patent Family

Patent Oppositions

Dossier Documents

EP3688525