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The patent EP3333599 was granted to Karl Storz on May 1, 2019. The application was filed on Nov 15, 2017 under application number EP17001867A. 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 |
|---|---|---|---|
| HENKE SASS | Jan 31, 2020 | PATENTANWALTE GEYER | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| OPPOSITION | DE19736617 |
| OPPOSITION | EP2165640 |
| OPPOSITION | US2012140336 |
| OPPOSITION | US4850342 |
| OPPOSITION | US5051824 |
| SEARCH | JPS56128914 |
| SEARCH | US2011242807 |
| SEARCH | US2012140336 |
| SEARCH | US4850342 |
| SEARCH | US6635010 |
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 17, 2025
Nov 11, 2025
(Electronic) Receipt
Appeal
Nov 11, 2025
Nov 11, 2025
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Nov 11, 2025
Reply to appeal
Appeal
Sep 23, 2025
Jul 11, 2025
Jul 7, 2025
(Electronic) Receipt
Appeal
Jul 7, 2025
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Jun 12, 2025
(Electronic) Receipt
Appeal
Jun 12, 2025
Authorisation
Appeal
Jun 12, 2025
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May 6, 2025
(Electronic) Receipt
Appeal
May 6, 2025
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Apr 29, 2025
(Electronic) Receipt
Appeal
Apr 29, 2025
Notice of appeal
Appeal
Apr 29, 2025
Notice of appeal
Appeal
Mar 7, 2025
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Means of redress
OPPO
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Description
OPPO
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Appeal
Jan 11, 2024
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May 25, 2023
Advice of delivery
Appeal
May 23, 2023
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(Electronic) Receipt
Appeal
Apr 5, 2023
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Oct 24, 2022
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Reply to appeal
Appeal
Dec 3, 2021
Nov 29, 2021
(Electronic) Receipt
Appeal
Nov 29, 2021
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Sep 10, 2021
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Sep 3, 2021
(Electronic) Receipt
Appeal
Sep 3, 2021
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Notice of appeal
Appeal
Aug 10, 2021
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Means of redress
OPPO
Aug 5, 2021
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May 13, 2019
Apr 4, 2019
Decision to grant a European patent
Search/Exam
Mar 18, 2019
Filing of the translations of the claims
Search/Exam
Mar 18, 2019
French translation of claims
Search/Exam
Mar 18, 2019
German translation of the claims
Search/Exam
Jan 4, 2019
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Jan 4, 2019
Intention to grant (signatures)
Search/Exam
Jan 4, 2019
Text intended for grant (clean copy)
Search/Exam
Jan 4, 2019
Nov 29, 2018
Examination started
Search/Exam
Sep 24, 2018
Sep 24, 2018
Amended claims with annotations
Search/Exam
Sep 24, 2018
Sep 24, 2018
Amended description with annotations
Search/Exam
Sep 24, 2018
Amendments received before examination
Search/Exam
Aug 13, 2018
Jul 9, 2018
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European search opinion
Search/Exam
Jul 9, 2018
European search report
Search/Exam
Jul 9, 2018
Information on Search Strategy
Search/Exam
Jun 8, 2018
Letter concerning search matters
Search/Exam
May 16, 2018
Notification of forthcoming publication
Search/Exam
Apr 30, 2018
Apr 30, 2018
Information on Search Strategy
Search/Exam
Apr 30, 2018
Partial European search report
Search/Exam
Apr 30, 2018
Apr 13, 2018
Search started
Search/Exam
Jan 16, 2018
Communication to designated inventor
Search/Exam
Jan 16, 2018
Communication to designated inventor
Search/Exam
Jan 11, 2018
Letter concerning the priority
Search/Exam
Jan 11, 2018
Priority document
Search/Exam
Jan 2, 2018
Designation of inventor
Search/Exam
Jan 2, 2018
Letter concerning the inventor
Search/Exam
Dec 19, 2017
Deficiency in designation of inventor
Search/Exam
Dec 6, 2017
Dec 1, 2017
Annexes in respect of a client data request
Search/Exam
Nov 29, 2017
Annexes in respect of a client data request
Search/Exam
Nov 17, 2017
Nov 15, 2017
Abstract
Search/Exam
Nov 15, 2017
Claims
Search/Exam
Nov 15, 2017
Description
Search/Exam
Nov 15, 2017
Drawings
Search/Exam
Nov 15, 2017
Payment of fees and costs
Search/Exam
Nov 15, 2017
Priority search results
Search/Exam
Nov 15, 2017
Request for grant of a European patent
Search/Exam