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The patent EP2385342 was granted to Mitutoyo Research Center Europe on Jun 27, 2018. The application was filed on Mar 15, 2011 under application number EP11158325A. The patent is currently recorded with a legal status of "Revoked".

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 | Mar 21, 2019 | WITTE | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| OPPOSITION | DE102008028986 |
| OPPOSITION | EP1467175 |
| OPPOSITION | EP2385342 |
| OPPOSITION | US6493956 |
| SEARCH | DE102008028986 |
| SEARCH | EP1467175 |
| SEARCH | US2003038933 |
| SEARCH | US2005172695 |
| SEARCH | US2008123110 |
| SEARCH | US4523450 |
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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Means of redress
OPPO
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Complaint
OPPO
Mar 27, 2019
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Jul 9, 2018
Jun 1, 2018
Decision to grant a European patent
Search/Exam
May 17, 2018
May 17, 2018
May 17, 2018
Intention to grant (signatures)
Search/Exam
May 17, 2018
Text intended for grant (clean copy)
Search/Exam
May 17, 2018
May 16, 2018
Apr 20, 2018
(Electronic) Receipt
Search/Exam
Apr 20, 2018
Amended claims with annotations
Search/Exam
Apr 20, 2018
Claims
Search/Exam
Apr 20, 2018
French translation of claims
Search/Exam
Apr 20, 2018
German translation of the claims
Search/Exam
Apr 20, 2018
Letter accompanying subsequently filed items
Search/Exam
Apr 20, 2018
Feb 15, 2018
Feb 15, 2018
Feb 15, 2018
Intention to grant (signatures)
Search/Exam
Feb 15, 2018
Text intended for grant (clean copy)
Search/Exam
Feb 15, 2018
Jan 17, 2018
(Electronic) Receipt
Search/Exam
Jan 17, 2018
Amended claims with annotations
Search/Exam
Jan 17, 2018
Amended description with annotations
Search/Exam
Jan 17, 2018
Claims
Search/Exam
Jan 17, 2018
Description
Search/Exam
Jan 17, 2018
Letter accompanying subsequently filed items
Search/Exam
Jan 17, 2018
Jan 11, 2018
Jan 5, 2018
(Electronic) Receipt
Search/Exam
Jan 5, 2018
Letter accompanying subsequently filed items
Search/Exam
Jan 5, 2018
Sep 14, 2017
Annex to the communication
Search/Exam
Sep 14, 2017
Communication from the Examining Division
Search/Exam
Sep 6, 2017
Examination started
Search/Exam
Jun 16, 2017
Dec 20, 2016
Dec 15, 2016
Nov 5, 2014
Oct 31, 2014
Jun 27, 2012
(Electronic) Receipt
Search/Exam
Jun 27, 2012
Letter accompanying subsequently filed items
Search/Exam
Jun 27, 2012
Jun 27, 2012
May 29, 2012
May 1, 2012
(Electronic) Receipt
Search/Exam
May 1, 2012
May 1, 2012
Amendments received before examination
Search/Exam
May 1, 2012
Letter accompanying subsequently filed items
Search/Exam
Nov 14, 2011
Oct 12, 2011
Notification of forthcoming publication
Search/Exam
Jun 29, 2011
Refund of fees
Search/Exam
Jun 6, 2011
Jun 6, 2011
European search opinion
Search/Exam
Jun 6, 2011
European search report
Search/Exam
May 28, 2011
Priority search results copy provided by EPO
Search/Exam
May 27, 2011
Modified abstract
Search/Exam
Apr 22, 2011
(Electronic) Receipt
Search/Exam
Apr 22, 2011
Letter accompanying subsequently filed items
Search/Exam
Apr 22, 2011
Letter concerning search matters
Search/Exam
Apr 22, 2011
Letter concerning search matters
Search/Exam
Mar 25, 2011
Letter concerning the priority
Search/Exam
Mar 25, 2011
Priority document
Search/Exam
Mar 25, 2011
Priority document
Search/Exam
Mar 15, 2011
Abstract
Search/Exam
Mar 15, 2011
Mar 15, 2011
Claims
Search/Exam
Mar 15, 2011
Description
Search/Exam
Mar 15, 2011
Designation of inventor
Search/Exam
Mar 15, 2011
Drawings
Search/Exam
Mar 15, 2011
Request for grant of a European patent
Search/Exam