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Device And Method For Measuring The Curing Process Of A Curable Material By Means Of Dielectric Spectroscopy

Patent No. EP4288770 (titled "Device And Method For Measuring The Curing Process Of A Curable Material By Means Of Dielectric Spectroscopy") was filed by IGB Tech on Feb 3, 2021. The application was issued on Jul 3, 2024.

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
FORMAT MESSTECHNIK	Apr 3, 2025	-

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 9, 2026
Communication to the parties concerning termination of the opposition proceedings - opposition rejected - no appeal lodged
Mar 9, 2026
Communication to the parties concerning the termination of the opposition proceedings (opponent)
Dec 2, 2025
Brief communication - Opposition proceedings
Dec 2, 2025
Brief communication - Opposition proceedings
Dec 2, 2025
Decision of the Opposition Division and instruction
Dec 2, 2025
Decision rejecting the opposition
Dec 2, 2025
Decision rejecting the opposition
Dec 2, 2025
Grounds for the decision (Annex) - opposition
Dec 2, 2025
Means of redress
Dec 2, 2025
Scanned annex to a communication - opposition procedure
Aug 18, 2025
Brief communication - Opposition proceedings
Aug 12, 2025
(Electronic) Receipt
Aug 12, 2025
Any annexes (other than citation) to an opposition letter
Aug 12, 2025
Any annexes (other than citation) to an opposition letter
Aug 12, 2025
Letter accompanying subsequently filed items
Aug 12, 2025
Reply of the patent proprietor to the notice(s) of opposition
Apr 15, 2025
Communication of a notice of opposition and request to file observations
Apr 15, 2025
Notice of further oppositions to opponent(s)
Apr 8, 2025
Communication of a notice of opposition - first information to patent proprietor
Apr 4, 2025
Communication for party to proceedings/third party
Apr 3, 2025
Citation in opposition procedure
Apr 3, 2025
Citation in opposition procedure - 001
Apr 3, 2025
Citation in opposition procedure - 002
Apr 3, 2025
Citation in opposition procedure - 003
Apr 3, 2025
Citation in opposition procedure - 004
Apr 3, 2025
Citation in opposition procedure - 005
Apr 3, 2025
Citation in opposition procedure - 006
Apr 3, 2025
Citation in opposition procedure - 007
Apr 3, 2025
Citation in opposition procedure - 008
Apr 3, 2025
Citation in opposition procedure - 009
Apr 3, 2025
Citation in opposition procedure - 010
Apr 3, 2025
Consolidated list of cited opposition documents
Apr 3, 2025
Non-scannable object
Apr 3, 2025
Notice of opposition
Apr 3, 2025
Notice of opposition
Apr 3, 2025
Observations by third parties
Mar 31, 2025
Observations by third parties
Jul 16, 2024
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Jun 6, 2024
Decision to grant a European patent
May 22, 2024
(Electronic) Receipt
May 22, 2024
English translation of the claims
May 22, 2024
Filing of the translations of the claims
May 22, 2024
French translation of claims
Feb 8, 2024
Annex to the communication about intention to grant a European patent
Feb 8, 2024
Bibliographic data of the European patent application
Feb 8, 2024
Communication about intention to grant a European patent
Feb 8, 2024
Intention to grant (signatures)
Feb 8, 2024
Text intended for grant (clean copy)
Feb 8, 2024
Text intended for grant (version for approval)
Jan 23, 2024
Examination started
Nov 15, 2023
Notification on forthcoming publication of bibliographic data
Sep 22, 2023
(Electronic) Receipt
Sep 22, 2023
Letter accompanying subsequently filed items
Sep 15, 2023
(Electronic) Receipt
Sep 15, 2023
Amended description filed after receipt of (European) search report
Sep 15, 2023
Amended description with annotations
Sep 15, 2023
Amendments received before examination
Sep 15, 2023
Letter accompanying subsequently filed items
Sep 12, 2023
Communication regarding comments on written opinion/amendment of application/payment of claims fee
Aug 7, 2023
Annexes to the international preliminary examination report
Aug 7, 2023
Copy of the international preliminary examination report
Aug 1, 2023
(Electronic) Receipt
Aug 1, 2023
Request for entry into the European phase
Jun 16, 2023
Information on entry into European phase
Apr 26, 2023
Annex to International preliminary examination report
Apr 26, 2023
International preliminary examination report
Apr 26, 2023
International preliminary examination report - free text sheet
Apr 26, 2023
International preliminary examination report - points I-VIII
Apr 26, 2023
Transmittal of International Preliminary Examination Report
Jan 31, 2023
(Electronic) Receipt
Jan 31, 2023
Letter regarding PCTII procedure
Jan 31, 2023
PCT(IPEA): Amended sheet - claims
Jan 31, 2023
PCT(IPEA): Amended sheet - claims
Jan 31, 2023
Reply to communication PCT/IPEA/408
Dec 12, 2022
Free text
Dec 8, 2022
Notification of election of EPO
Dec 8, 2022
Written opinion
Dec 8, 2022
Written opinion - free text sheet
Dec 8, 2022
Written opinion - points I-VIII
Dec 1, 2022
Amendments of documents (Article 19 PCT) (without attachments)
Nov 24, 2022
Notification of receipt of demand
Nov 18, 2022
(Electronic) Receipt
Nov 18, 2022
PCT demand form
Nov 18, 2022
PCT(IPEA): Amended sheet - claims
Nov 18, 2022
PCT(IPEA): Amended sheet - claims
Nov 18, 2022
Payment of fees and costs
Nov 18, 2022
Reply to International Search Opinion
Aug 11, 2022
Copy of the international search report
Aug 11, 2022
Copy of the international search report
Aug 11, 2022
Published international application - A1
Mar 4, 2021
(Electronic) Receipt
Mar 4, 2021
Abstract
Mar 4, 2021
Incoming letter related to ISA procedure
Mar 4, 2021
Incoming letter related to ISA procedure
Feb 16, 2021
Communication in cases for which no other form is applicable
Feb 16, 2021
Notification of receipt of Search copy
Feb 16, 2021
Notification of the international application number and of the international filing date
Feb 12, 2021
Request form for international application (copy for ISA/EP)
Feb 3, 2021
(Electronic) Receipt
Feb 3, 2021
Abstract
Feb 3, 2021
Claims
Feb 3, 2021
Description
Feb 3, 2021
Document concerning fees and payments
Feb 3, 2021
Drawings
Feb 3, 2021
Electronic request for grant of an International application

EP4288770

IGB TECH

Application Number: EP21703259A
Filing Date: Feb 3, 2021
Status: Opposition Rejected; Mar 6, 2026
Publication Date: Jul 3, 2024
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