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The patent EP1691230 was granted to Olympus on May 20, 2020. The application was originally filed on Jan 12, 2006 under application number EP06000622A. 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 | Dec 1, 2017 | MULLER | - |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | JP2002277754 |
| EXAMINATION | JP2002277754 |
| OPPOSITION | JP2002247564 |
| OPPOSITION | JP2002277754 |
| OPPOSITION | JPH09222664 |
| OPPOSITION | US2003044054 |
| OPPOSITION | WO0113640 |
| SEARCH | US2003227673 |
| SEARCH | US2004090670 |
| SEARCH | US2004170312 |
| SEARCH | WO2004034124 |
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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Decision to grant a European patent
Search/Exam
Jan 4, 2017
Filing of the translations of the claims
Search/Exam
Jan 4, 2017
French translation of claims
Search/Exam
Jan 4, 2017
German translation of the claims
Search/Exam
Jan 4, 2017
Payment of fees and costs
Search/Exam
Sep 26, 2016
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Intention to grant (signatures)
Search/Exam
Sep 26, 2016
Text intended for grant (clean copy)
Search/Exam
Sep 26, 2016
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Letter concerning the inventor
Search/Exam
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Submission concerning representation
Search/Exam
Oct 22, 2014
Amended claims with annotations
Search/Exam
Oct 22, 2014
Claims
Search/Exam
Oct 22, 2014
Sep 1, 2014
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Annex to the communication
Search/Exam
Apr 14, 2014
Communication from the Examining Division
Search/Exam
Jan 8, 2009
Description
Search/Exam
Jan 8, 2009
Matter concerning the application
Search/Exam
Dec 11, 2008
Claims
Search/Exam
Dec 11, 2008
Claims
Search/Exam
Dec 11, 2008
Description
Search/Exam
Dec 11, 2008
Aug 12, 2008
Annex to the communication
Search/Exam
Aug 12, 2008
Communication from the Examining Division
Search/Exam
Dec 4, 2007
Nov 29, 2007
Dec 11, 2006
Letter concerning fees and payments
Search/Exam
Sep 21, 2006
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Amendments received before examination
Search/Exam
Sep 21, 2006
Claims
Search/Exam
Aug 18, 2006
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Notification of forthcoming publication
Search/Exam
Apr 27, 2006
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European search opinion
Search/Exam
Apr 27, 2006
European search report
Search/Exam
Jan 12, 2006
Abstract
Search/Exam
Jan 12, 2006
Claims
Search/Exam
Jan 12, 2006
Description
Search/Exam
Jan 12, 2006
Designation of inventor
Search/Exam
Jan 12, 2006
Drawings
Search/Exam
Jan 12, 2006
Request for grant of a European patent
Search/Exam