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The patent EP3693782 was granted to A Schweizer Optische Fabrik on May 1, 2024. The application was filed on Sep 12, 2016 under application number EP20165302A. 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 |
|---|---|---|---|
| ESCHENBACH OPTIK | Dec 16, 2024 | RAU | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| OTHER | CN104696849 |
| OTHER | CN200965588Y |
| OTHER | CN203859549U |
| OTHER | DE102011051612 |
| OTHER | DE102015117403 |
| OTHER | DE202007019339U |
| OTHER | EP3362837 |
| OTHER | US2014091758 |
| OTHER | US2015222135 |
| OTHER | US2015281531 |
| OTHER | US9143003 |
| OTHER | WO2011138089 |
| OTHER | WO2014076048 |
| SEARCH | CN200965588Y |
| SEARCH | WO2011138089 |
| SEARCH | WO2014076048 |
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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Apr 5, 2024
Decision to grant a European patent
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Mar 21, 2024
(Electronic) Receipt
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Mar 21, 2024
English translation of the claims
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Mar 21, 2024
Filing of the translations of the claims
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Mar 21, 2024
French translation of claims
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Mar 21, 2024
Letter accompanying subsequently filed items
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Mar 6, 2024
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Intention to grant (signatures)
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Mar 6, 2024
Text intended for grant (clean copy)
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Mar 6, 2024
Dec 5, 2023
(Electronic) Receipt
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Dec 5, 2023
Letter accompanying subsequently filed items
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Dec 5, 2023
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Nov 28, 2023
(Electronic) Receipt
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Nov 28, 2023
Letter accompanying subsequently filed items
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Nov 28, 2023
Observations by third parties
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Nov 20, 2023
(Electronic) Receipt
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Nov 20, 2023
Letter accompanying subsequently filed items
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Nov 20, 2023
Nov 15, 2023
Annex to the communication
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Nov 15, 2023
Communication from the Examining Division
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Nov 7, 2023
Annex to the communication
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Nov 7, 2023
Consultation by telephone/in person
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Nov 7, 2023
Sep 5, 2023
(Electronic) Receipt
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Sep 5, 2023
Letter accompanying subsequently filed items
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Sep 5, 2023
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Jul 12, 2023
(Electronic) Receipt
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Jul 12, 2023
Mar 15, 2023
Annex to the communication
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Mar 15, 2023
Communication from the Examining Division
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Feb 28, 2023
Feb 27, 2023
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(Electronic) Receipt
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Feb 22, 2023
Letter accompanying subsequently filed items
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Feb 22, 2023
Observations by third parties
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Feb 22, 2023
Patent document filed by a Third party
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Feb 22, 2023
Patent document filed by a Third party
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Patent document filed by a Third party
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Feb 22, 2023
Patent document filed by a Third party
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Jan 11, 2023
Annex to the communication
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Jan 11, 2023
Consultation by telephone/in person
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Jan 11, 2023
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(Electronic) Receipt
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Jan 10, 2023
Letter accompanying subsequently filed items
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Jan 2, 2023
(Electronic) Receipt
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Jan 2, 2023
Amended claims with annotations
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Jan 2, 2023
Amended description with annotations
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Jan 2, 2023
Claims
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Jan 2, 2023
Description
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Jan 2, 2023
Letter accompanying subsequently filed items
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Jan 2, 2023
Dec 21, 2022
Annex to the communication
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Dec 21, 2022
Consultation by telephone/in person
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Dec 21, 2022
Jun 30, 2022
Annex to the communication
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Jun 30, 2022
Communication from the Examining Division
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Mar 28, 2022
Annex to the communication
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Mar 28, 2022
Consultation by telephone/in person
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Mar 28, 2022
Mar 24, 2022
(Electronic) Receipt
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Mar 24, 2022
Amended claims with annotations
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Mar 24, 2022
Claims
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Mar 24, 2022
Letter accompanying subsequently filed items
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Mar 24, 2022
Mar 10, 2022
Annex to the communication
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Mar 10, 2022
Consultation by telephone/in person
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Mar 10, 2022
Sep 27, 2021
Annex to the communication
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Sep 27, 2021
Communication from the Examining Division
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Sep 21, 2021
Examination started
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Feb 12, 2021
(Electronic) Receipt
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Feb 12, 2021
Feb 12, 2021
Amended claims with annotations
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Feb 12, 2021
Amendments received before examination
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Feb 12, 2021
Letter accompanying subsequently filed items
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Aug 17, 2020
Jul 15, 2020
Notification of forthcoming publication
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May 15, 2020
Communication to designated inventor
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May 15, 2020
Refund of fees
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May 12, 2020
May 12, 2020
European search opinion
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May 12, 2020
European search report
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May 12, 2020
Information on Search Strategy
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Apr 29, 2020
Search started
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Apr 8, 2020
Refund of fees
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Mar 27, 2020
(Electronic) Receipt
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Mar 27, 2020
Letter concerning fees and payments
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Mar 25, 2020
(Electronic) Receipt
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Mar 25, 2020
Letter accompanying subsequently filed items
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Mar 25, 2020
Letter concerning fees and payments
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Mar 24, 2020
Abstract
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Mar 24, 2020
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Claims
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Mar 24, 2020
Description
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Mar 24, 2020
Designation of inventor
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Mar 24, 2020
Drawings
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Mar 24, 2020
Priority search results
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Mar 24, 2020
Request for grant of a European patent
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Mar 20, 2018
Priority search results
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May 9, 2017