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The patent EP3679335 was granted to Renishaw on Jul 9, 2025. The application was filed on Aug 31, 2018 under application number EP18762127A. The patent is currently recorded with a legal status of "Patent Maintained As Amended".

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 |
|---|---|---|---|
| BLUM NOVOTEST | Aug 10, 2023 | SCHMIDT | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | US6496273 |
| INTERNATIONAL-SEARCH-REPORT | US2016045980 |
| INTERNATIONAL-SEARCH-REPORT | US5078491 |
| INTERNATIONAL-SEARCH-REPORT | US6496273 |
| INTERNATIONAL-SEARCH-REPORT | WO0120277 |
| INTERNATIONAL-SEARCH-REPORT | WO2009132760 |
| OPPOSITION | DE102013011307 |
| OPPOSITION | DE19528376 |
| OPPOSITION | EP3413150 |
| OPPOSITION | EP3450097 |
| OPPOSITION | EP3450936 |
| OPPOSITION | JP2012052813 |
| OPPOSITION | US2006290946 |
| OPPOSITION | US2009051933 |
| OPPOSITION | US5078491 |
| OPPOSITION | US5880847 |
| OPPOSITION | WO0120277 |
| OPPOSITION | WO2004056528 |
| OPPOSITION | WO2005085753 |
| OPPOSITION | WO2006000501 |
| OPPOSITION | WO2009132760 |
| OPPOSITION | WO2015107751 |
| OPPOSITION | WO2017162549 |
| OPPOSITION | WO2019053432 |
| OPPOSITION | WO8707550 |
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.
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Description
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Decision to grant a European patent
Search/Exam
Oct 11, 2022
(Electronic) Receipt
Search/Exam
Oct 11, 2022
Annex
Search/Exam
Oct 11, 2022
Filing of the translations of the claims
Search/Exam
Oct 11, 2022
French translation of claims
Search/Exam
Oct 11, 2022
German translation of the claims
Search/Exam
Jul 15, 2022
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Intention to grant (signatures)
Search/Exam
Jul 15, 2022
Text intended for grant (clean copy)
Search/Exam
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Apr 8, 2022
Examination started
Search/Exam
Oct 15, 2020
(Electronic) Receipt
Search/Exam
Oct 15, 2020
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Amended claims with annotations
Search/Exam
Oct 15, 2020
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Amended description with annotations
Search/Exam
Oct 15, 2020
Amendments received before examination
Search/Exam
Oct 15, 2020
Letter accompanying subsequently filed items
Search/Exam
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Communication to designated inventor
Search/Exam
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Communication to designated inventor
Search/Exam
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Communication to designated inventor
Search/Exam
Apr 7, 2020
Priority search results copy provided by EPO
Search/Exam
Mar 26, 2020
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(Electronic) Receipt
Search/Exam
Mar 17, 2020
Request for entry into the European phase
Search/Exam
Jan 17, 2020
Information on entry into European phase
Search/Exam
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Copy of the international search report
Search/Exam
Mar 14, 2019
Published international application - A1
Search/Exam
Oct 9, 2018
ISR: cited documents
PCTISA
Oct 5, 2018
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Sep 14, 2018
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Abstract
PCTISA
Sep 7, 2018
Claims
PCTISA
Sep 7, 2018
Description
PCTISA
Sep 7, 2018
Drawings
PCTISA
Sep 7, 2018
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