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The patent EP2660640 was granted to Olympus on May 3, 2017. The application was originally filed on Feb 1, 2013 under application number EP13153597A. 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 | Feb 5, 2018 | SCHIFFER | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | JP2006091723 |
| OPPOSITION | EP1582904 |
| OPPOSITION | EP1640759 |
| OPPOSITION | US2005068614 |
| OPPOSITION | US2005161593 |
| OPPOSITION | US2005227231 |
| OPPOSITION | US2006007343 |
| OPPOSITION | US2009284833 |
| OPPOSITION | US6414805 |
| SEARCH | EP1582904 |
| SEARCH | US2005068614 |
| SEARCH | US2009284833 |
| SEARCH | US6414805 |
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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Mar 26, 2025
Mar 26, 2025
Mar 26, 2025
Mar 17, 2025
Mar 14, 2025
Mar 14, 2025
Mar 13, 2025
(Electronic) Receipt
Appeal
Mar 13, 2025
Mar 13, 2025
Dec 5, 2024
Dec 5, 2024
Dec 5, 2024
Dec 2, 2024
Sep 9, 2024
Jul 23, 2024
Jul 17, 2024
(Electronic) Receipt
Appeal
Jul 17, 2024
Jul 17, 2024
Reply to appeal
Appeal
Apr 5, 2024
Mar 28, 2024
(Electronic) Receipt
Appeal
Mar 28, 2024
Mar 28, 2024
Mar 28, 2024
Mar 28, 2024
Jan 22, 2024
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Jan 16, 2024
(Electronic) Receipt
Appeal
Jan 16, 2024
Jan 16, 2024
Notice of appeal
Appeal
Dec 1, 2023
Nov 30, 2023
Nov 30, 2023
Nov 30, 2023
Nov 30, 2023
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Nov 30, 2023
Means of redress
OPPO
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Description
OPPO
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Jul 27, 2022
(Electronic) Receipt
Appeal
Jul 27, 2022
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(Electronic) Receipt
Appeal
Jan 20, 2022
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(Electronic) Receipt
Appeal
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Jan 28, 2021
Advice of delivery
Appeal
Jan 27, 2021
Advice of delivery
Appeal
Jan 21, 2021
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Jul 2, 2020
Feb 19, 2020
Feb 13, 2020
(Electronic) Receipt
Appeal
Feb 13, 2020
Feb 13, 2020
Reply to appeal
Appeal
Oct 18, 2019
Oct 14, 2019
Oct 14, 2019
Oct 14, 2019
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Aug 9, 2019
Advice of delivery
Appeal
Aug 6, 2019
(Electronic) Receipt
Appeal
Aug 6, 2019
Advice of delivery
Appeal
Aug 6, 2019
Aug 6, 2019
Aug 5, 2019
Aug 5, 2019
Aug 5, 2019
Jul 30, 2019
Processing of an appeal
Appeal
Jul 23, 2019
(Electronic) Receipt
Appeal
Jul 23, 2019
Jul 23, 2019
Notice of appeal
Appeal
Jul 22, 2019
Jul 22, 2019
Jun 12, 2019
Jun 4, 2019
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Means of redress
OPPO
Jun 4, 2019
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Feb 11, 2019
Dec 14, 2018
Dec 11, 2018
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May 3, 2017
Apr 6, 2017
Decision to grant a European patent
Search/Exam
Mar 31, 2017
Jan 12, 2017
Filing of the translations of the claims
Search/Exam
Jan 12, 2017
French translation of claims
Search/Exam
Jan 12, 2017
German translation of the claims
Search/Exam
Jan 12, 2017
Payment of fees and costs
Search/Exam
Oct 10, 2016
Oct 10, 2016
Oct 10, 2016
Intention to grant (signatures)
Search/Exam
Oct 10, 2016
Text intended for grant (clean copy)
Search/Exam
Oct 10, 2016
Sep 21, 2016
Examination started
Search/Exam
Sep 1, 2016
Aug 26, 2016
Aug 18, 2016
Letter concerning the inventor
Search/Exam
Aug 18, 2016
Aug 18, 2016
Mar 30, 2015
Mar 26, 2015
Submission concerning representation
Search/Exam
Feb 13, 2014
Feb 13, 2014
Amended claims with annotations
Search/Exam
Feb 13, 2014
Feb 13, 2014
Amended description with annotations
Search/Exam
Feb 13, 2014
Amendments received before examination
Search/Exam
Feb 13, 2014
Payment of fees and costs
Search/Exam
Nov 11, 2013
Oct 9, 2013
Oct 9, 2013
European search opinion
Search/Exam
Oct 9, 2013
European search report
Search/Exam
Oct 9, 2013
Notification of forthcoming publication
Search/Exam
Oct 1, 2013
Search started
Search/Exam
Apr 10, 2013
Apr 3, 2013
Mar 27, 2013
Communication to designated inventor
Search/Exam
Mar 27, 2013
Communication to designated inventor
Search/Exam
Mar 27, 2013
Communication to designated inventor
Search/Exam
Mar 27, 2013
Communication to designated inventor
Search/Exam
Feb 1, 2013
Abstract
Search/Exam
Feb 1, 2013
Feb 1, 2013
Claims
Search/Exam
Feb 1, 2013
Description
Search/Exam
Feb 1, 2013
Designation of inventor
Search/Exam
Feb 1, 2013
Designation of inventor
Search/Exam
Feb 1, 2013
Designation of inventor
Search/Exam
Feb 1, 2013
Designation of inventor
Search/Exam
Feb 1, 2013
Drawings
Search/Exam
Feb 1, 2013
Request for grant of a European patent
Search/Exam