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The patent EP3363416 was granted to Carl Zeiss on Aug 11, 2021. The application was filed on Jan 21, 2010 under application number EP18157424A. The patent is currently recorded with a legal status of "Granted And Under Opposition".

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 |
|---|---|---|---|
| SCHWIND EYE TECH SOLUTIONS | May 11, 2022 | HOFSTETTER | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| OPPOSITION | DE102005013558 |
| OPPOSITION | DE102006053120 |
| OPPOSITION | US2002040219 |
| OPPOSITION | WO03082146 |
| OPPOSITION | WO2005124433 |
| OPPOSITION | WO2009059730 |
| SEARCH | DE102005013558 |
| SEARCH | DE102006053120 |
| SEARCH | US2004169820 |
| SEARCH | US2005107775 |
| SEARCH | WO2005011547 |
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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Nov 19, 2025
Nov 19, 2025
Nov 19, 2025
Nov 11, 2025
Nov 10, 2025
(Electronic) Receipt
Appeal
Nov 10, 2025
Nov 10, 2025
Nov 10, 2025
Oct 24, 2025
Oct 24, 2025
Oct 21, 2025
Sep 22, 2025
Sep 19, 2025
(Electronic) Receipt
Appeal
Sep 19, 2025
Sep 19, 2025
Apr 9, 2025
Apr 4, 2025
(Electronic) Receipt
Appeal
Apr 4, 2025
Apr 4, 2025
Nov 27, 2024
Nov 27, 2024
Nov 22, 2024
(Electronic) Receipt
Appeal
Nov 22, 2024
Nov 22, 2024
Nov 22, 2024
Nov 22, 2024
Nov 22, 2024
Reply to appeal
Appeal
Nov 21, 2024
(Electronic) Receipt
Appeal
Nov 21, 2024
(Electronic) Receipt
Appeal
Nov 21, 2024
Nov 21, 2024
Nov 21, 2024
Nov 21, 2024
Nov 21, 2024
Nov 21, 2024
Nov 21, 2024
Reply to appeal
Appeal
Nov 21, 2024
Reply to appeal
Appeal
Oct 16, 2024
Oct 14, 2024
Oct 10, 2024
Jul 25, 2024
Jul 25, 2024
Jul 23, 2024
Jul 12, 2024
(Electronic) Receipt
Appeal
Jul 12, 2024
(Electronic) Receipt
Appeal
Jul 12, 2024
Jul 12, 2024
Jul 12, 2024
Jul 12, 2024
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Jul 12, 2024
Jul 12, 2024
Jul 12, 2024
May 21, 2024
May 21, 2024
May 14, 2024
(Electronic) Receipt
Appeal
May 14, 2024
(Electronic) Receipt
Appeal
May 14, 2024
May 14, 2024
May 14, 2024
Notice of appeal
Appeal
May 14, 2024
Notice of appeal
Appeal
Mar 14, 2024
Mar 14, 2024
Mar 14, 2024
Mar 14, 2024
Mar 14, 2024
Mar 14, 2024
Mar 14, 2024
Mar 14, 2024
Mar 14, 2024
Means of redress
OPPO
Mar 14, 2024
Mar 14, 2024
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Mar 14, 2024
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Mar 14, 2024
Feb 27, 2024
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Dec 22, 2023
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Authorisation
OPPO
Dec 22, 2023
Dec 22, 2023
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Dec 21, 2023
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Description
OPPO
Dec 21, 2023
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Oct 10, 2022
Oct 4, 2022
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May 25, 2022
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May 11, 2022
Aug 24, 2021
Jul 15, 2021
Decision to grant a European patent
Search/Exam
Jun 30, 2021
(Electronic) Receipt
Search/Exam
Jun 30, 2021
English translation of the claims
Search/Exam
Jun 30, 2021
Filing of the translations of the claims
Search/Exam
Jun 30, 2021
French translation of claims
Search/Exam
Jun 30, 2021
Letter accompanying subsequently filed items
Search/Exam
Mar 10, 2021
Mar 10, 2021
Mar 10, 2021
Intention to grant (signatures)
Search/Exam
Mar 10, 2021
Text intended for grant (clean copy)
Search/Exam
Mar 10, 2021
Dec 15, 2020
(Electronic) Receipt
Search/Exam
Dec 15, 2020
Amended claims with annotations
Search/Exam
Dec 15, 2020
Amended description with annotations
Search/Exam
Dec 15, 2020
Claims
Search/Exam
Dec 15, 2020
Description
Search/Exam
Dec 15, 2020
Letter accompanying subsequently filed items
Search/Exam
Dec 15, 2020
Nov 12, 2020
Nov 6, 2020
(Electronic) Receipt
Search/Exam
Nov 6, 2020
Letter accompanying subsequently filed items
Search/Exam
Nov 6, 2020
Jun 26, 2020
Annex to the communication
Search/Exam
Jun 26, 2020
Communication from the Examining Division
Search/Exam
May 4, 2020
(Electronic) Receipt
Search/Exam
May 4, 2020
Amended claims with annotations
Search/Exam
May 4, 2020
Amended description with annotations
Search/Exam
May 4, 2020
Claims
Search/Exam
May 4, 2020
Description
Search/Exam
May 4, 2020
Letter accompanying subsequently filed items
Search/Exam
May 4, 2020
Dec 16, 2019
Annex to the communication
Search/Exam
Dec 16, 2019
Communication from the Examining Division
Search/Exam
Dec 10, 2019
Examination started
Search/Exam
Feb 21, 2019
(Electronic) Receipt
Search/Exam
Feb 21, 2019
Feb 21, 2019
Amended claims with annotations
Search/Exam
Feb 21, 2019
Feb 21, 2019
Amended description with annotations
Search/Exam
Feb 21, 2019
Amendments received before examination
Search/Exam
Feb 21, 2019
Letter accompanying subsequently filed items
Search/Exam
Aug 27, 2018
Jul 25, 2018
Notification of forthcoming publication
Search/Exam
Jun 20, 2018
Refund of fees
Search/Exam
Jun 13, 2018
Jun 13, 2018
European search opinion
Search/Exam
Jun 13, 2018
European search report
Search/Exam
Jun 13, 2018
Information on Search Strategy
Search/Exam
Jun 5, 2018
Search started
Search/Exam
May 9, 2018
Communication to designated inventor
Search/Exam
May 9, 2018
Communication to designated inventor
Search/Exam
Mar 16, 2018
Feb 20, 2018
(Electronic) Receipt
Search/Exam
Feb 20, 2018
Letter accompanying subsequently filed items
Search/Exam
Feb 20, 2018
Feb 19, 2018
Abstract
Search/Exam
Feb 19, 2018
Feb 19, 2018
Annex
Search/Exam
Feb 19, 2018
Claims
Search/Exam
Feb 19, 2018
Description
Search/Exam
Feb 19, 2018
Designation of inventor
Search/Exam
Feb 19, 2018
Drawings
Search/Exam
Feb 19, 2018
Matter concerning the application
Search/Exam
Feb 19, 2018
Priority search results
Search/Exam
Feb 19, 2018
Aug 18, 2010