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The patent EP3987247 was granted to Process Metrix on Dec 27, 2023. The application was filed on Jun 4, 2020 under application number EP20825482A. The patent is currently recorded with a legal status of "Granted And Under Opposition".

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 | Opposition Status |
|---|---|---|---|
| REFRACTORY | Sep 26, 2024 | EIBEL | ADMISSIBLE |
| REFRACTORY | Sep 26, 2024 | PACHER | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| INTERNATIONAL-SEARCH-REPORT | JP2018185253 |
| INTERNATIONAL-SEARCH-REPORT | US2011235052 |
| INTERNATIONAL-SEARCH-REPORT | US4107244 |
| OPPOSITION | JP2018185253 |
| OPPOSITION | JPS60235005 |
| OPPOSITION | US2006232786 |
| OPPOSITION | US2011235052 |
| OPPOSITION | WO03081157 |
| OPPOSITION | WO2017042402 |
| SEARCH | JP2018185253 |
| SEARCH | JPS60235005 |
| SEARCH | US2006232786 |
| SEARCH | US2011235052 |
| SEARCH | WO03081157 |
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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OPPO
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Decision to grant a European patent
Search/Exam
Nov 17, 2023
(Electronic) Receipt
Search/Exam
Nov 17, 2023
Filing of the translations of the claims
Search/Exam
Nov 17, 2023
French translation of claims
Search/Exam
Nov 17, 2023
German translation of the claims
Search/Exam
Nov 17, 2023
Letter accompanying subsequently filed items
Search/Exam
Jul 20, 2023
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Intention to grant (signatures)
Search/Exam
Jul 20, 2023
Text intended for grant (clean copy)
Search/Exam
Jul 20, 2023
Jul 6, 2023
Examination started
Search/Exam
May 24, 2023
Decision to allow further processing
Search/Exam
May 8, 2023
(Electronic) Receipt
Search/Exam
May 8, 2023
May 8, 2023
Amended claims with annotations
Search/Exam
May 8, 2023
Enquiry as to the processing of the file
Search/Exam
May 8, 2023
Letter accompanying subsequently filed items
Search/Exam
May 8, 2023
Request for further processing
Search/Exam
Mar 7, 2023
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European search opinion
Search/Exam
Jul 18, 2022
Information on Search Strategy
Search/Exam
Jul 18, 2022
Supplementary European search report
Search/Exam
Jul 4, 2022
Search started
Search/Exam
Mar 30, 2022
Feb 25, 2022
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(Electronic) Receipt
Search/Exam
Feb 3, 2022
Letter accompanying subsequently filed items
Search/Exam
Feb 3, 2022
Request for correction of client data
Search/Exam
Jan 31, 2022
Jan 12, 2022
(Electronic) Receipt
Search/Exam
Jan 12, 2022
Request for entry into the European phase
Search/Exam
Jan 3, 2022
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Oct 29, 2021
Information on entry into European phase
Search/Exam
May 14, 2021
Notification of election of EPO
Search/Exam
Jan 11, 2021
Dec 24, 2020
Copy of the international search report
Search/Exam
Dec 24, 2020
Published international application - A1
Search/Exam