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The patent EP2140225 was granted to Renishaw on Sep 29, 2021. The application was filed on Apr 23, 2008 under application number EP08737094A. 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 |
|---|---|---|---|
| CARL ZEISS | May 22, 2019 | WITTE | - |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| INTERNATIONAL-SEARCH-REPORT | US2004071334 |
| INTERNATIONAL-SEARCH-REPORT | US5189806 |
| INTERNATIONAL-SEARCH-REPORT | US5311784 |
| INTERNATIONAL-SEARCH-REPORT | US6674891 |
| INTERNATIONAL-SEARCH-REPORT | WO2005090900 |
| INTERNATIONAL-SEARCH-REPORT | WO2006024844 |
| INTERNATIONAL-SEARCH-REPORT | WO2006114567 |
| OPPOSITION | DE10258493 |
| OPPOSITION | US5311784 |
| OPPOSITION | WO2007107776 |
| OPPOSITION | WO9007097 |
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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Sep 3, 2018
Jul 26, 2018
Decision to grant a European patent
Search/Exam
Jul 12, 2018
(Electronic) Receipt
Search/Exam
Jul 12, 2018
Filing of the translations of the claims
Search/Exam
Jul 12, 2018
French translation of claims
Search/Exam
Jul 12, 2018
German translation of the claims
Search/Exam
Apr 24, 2018
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Intention to grant (signatures)
Search/Exam
Apr 24, 2018
Text intended for grant (clean copy)
Search/Exam
Apr 24, 2018
Nov 29, 2017
Decision to allow further processing
Search/Exam
Nov 21, 2017
(Electronic) Receipt
Search/Exam
Nov 21, 2017
Amended claims with annotations
Search/Exam
Nov 21, 2017
Amended description with annotations
Search/Exam
Nov 21, 2017
Claims
Search/Exam
Nov 21, 2017
Description
Search/Exam
Nov 21, 2017
Letter accompanying subsequently filed items
Search/Exam
Nov 21, 2017
Request for further processing
Search/Exam
Sep 14, 2017
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(Electronic) Receipt
Search/Exam
Jun 5, 2017
Letter accompanying subsequently filed items
Search/Exam
Jun 5, 2017
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Annex to the communication
Search/Exam
Feb 8, 2017
Communication from the Examining Division
Search/Exam
Jan 31, 2017
Examination started
Search/Exam
Sep 14, 2016
Apr 21, 2010
Refund of fees
Search/Exam
Jan 7, 2010
Refund of fees
Search/Exam
Dec 15, 2009
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Amendments received before examination
Search/Exam
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Search/Exam
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(Electronic) Receipt
Search/Exam
Oct 27, 2009
Request for entry into the European phase
Search/Exam
Sep 3, 2009
Information on entry into European phase
Search/Exam
Nov 17, 2008
Oct 30, 2008
Copy of the international search report
Search/Exam
Oct 30, 2008
Published international application - A1
Search/Exam
May 15, 2008
Abstract
PCTISA
May 15, 2008
Claims
PCTISA
May 15, 2008
Description
PCTISA
May 15, 2008
Drawings
PCTISA