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The patent EP3056163 was granted to Carl Zeiss on Jul 8, 2020. The application was filed on Jan 29, 2016 under application number EP16153458A. 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 |
|---|---|---|---|
| KARL STORZ | Apr 19, 2018 | WIMMER | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | US2005020876 |
| DESCRIPTION | US6398721 |
| OPPOSITION | DE10147806 |
| OPPOSITION | DE102008062650 |
| OPPOSITION | DE102009043652 |
| OPPOSITION | DE102013215734 |
| OPPOSITION | EP2664271 |
| OPPOSITION | JP2004065317 |
| OPPOSITION | JP2011167344 |
| OPPOSITION | US2001055062 |
| OPPOSITION | US2002151784 |
| OPPOSITION | US2003069471 |
| OPPOSITION | US2004070822 |
| OPPOSITION | US2005020876 |
| OPPOSITION | US2006108509 |
| OPPOSITION | US2006241499 |
| OPPOSITION | US2010321772 |
| OPPOSITION | US2011280810 |
| OPPOSITION | US2014012078 |
| OPPOSITION | US2014051923 |
| OPPOSITION | US6081371 |
| OPPOSITION | US6398721 |
| OPPOSITION | US6471637 |
| OPPOSITION | US7410462 |
| OPPOSITION | US7852371 |
| OPPOSITION | WO2010114843 |
| SEARCH | JP2004065317 |
| SEARCH | JP2011167344 |
| SEARCH | US2001055062 |
| SEARCH | US2002151784 |
| SEARCH | US2006108509 |
| SEARCH | US2010321772 |
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
Jun 6, 2017
English translation of the claims
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Jun 6, 2017
Filing of the translations of the claims
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French translation of claims
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Payment of fees and costs
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Intention to grant (signatures)
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Mar 30, 2017
Text intended for grant (clean copy)
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Mar 30, 2017
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Annex to the communication
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Mar 16, 2017
Consultation by telephone/in person
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Amended claims with annotations
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Amended description with annotations
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Amendments received before examination
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Jan 20, 2017
Payment of fees and costs
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Jan 16, 2017
Dec 19, 2016
Submission concerning representation
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Aug 22, 2016
Jul 20, 2016
Notification of forthcoming publication
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European search opinion
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European search report
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Jun 13, 2016
Information on Search Strategy
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Jun 1, 2016
Search started
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Mar 23, 2016
Communication to designated inventor
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Communication to designated inventor
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Communication to designated inventor
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Communication to designated inventor
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Communication to designated inventor
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Feb 11, 2016
Letter concerning the priority
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Priority document
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Jan 29, 2016
Abstract
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Claims
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Jan 29, 2016
Description
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Jan 29, 2016
Designation of inventor
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Jan 29, 2016
Drawings
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Jan 29, 2016
Priority search results
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Jan 29, 2016
Request for grant of a European patent
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