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The patent EP3759545 was granted to Essilor on Dec 20, 2023. The application was filed on Mar 1, 2019 under application number EP19707809A. 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 |
|---|---|---|---|
| BETTEN & RESCH PATENT UND RECHTSANWALTE PARTGMBB | Sep 20, 2024 | - | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | WO2016107919 |
| DESCRIPTION | WO2017176921 |
| EXAMINATION | US2017131567 |
| INTERNATIONAL-SEARCH-REPORT | US2009268154 |
| INTERNATIONAL-SEARCH-REPORT | US2012062836 |
| INTERNATIONAL-SEARCH-REPORT | US2016377884 |
| INTERNATIONAL-SEARCH-REPORT | WO2009129528 |
| INTERNATIONAL-SEARCH-REPORT | WO2015147758 |
| OPPOSITION | EP3395918 |
| OPPOSITION | EP3779567 |
| OPPOSITION | US2009268154 |
| OPPOSITION | US2012062836 |
| OPPOSITION | US2016377884 |
| OPPOSITION | US2017131567 |
| OPPOSITION | WO2009129528 |
| OPPOSITION | WO2011123132 |
| OPPOSITION | WO2015147758 |
| OPPOSITION | WO2018026697 |
| OPPOSITION | WO2018076057 |
| OTHER | US2016377884 |
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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Decision to grant a European patent
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Nov 15, 2023
(Electronic) Receipt
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Nov 15, 2023
French translation of claims
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Nov 15, 2023
German translation of the claims
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Nov 15, 2023
Letter accompanying subsequently filed items
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Sep 18, 2023
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Intention to grant (signatures)
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Sep 18, 2023
Text intended for grant (clean copy)
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Sep 18, 2023
Aug 10, 2023
(Electronic) Receipt
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Aug 10, 2023
Amended description with annotations
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Aug 10, 2023
Description
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Aug 10, 2023
Letter accompanying subsequently filed items
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Aug 10, 2023
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Intention to grant (signatures)
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Jul 18, 2023
Text intended for grant (clean copy)
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Jul 18, 2023
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Jun 29, 2023
(Electronic) Receipt
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Jun 29, 2023
Amended claims with annotations
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Jun 29, 2023
Claims
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Jun 29, 2023
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Letter accompanying subsequently filed items
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Observations by third parties
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Jun 27, 2023
Observations by third parties
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Jun 5, 2023
(Electronic) Receipt
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Jun 5, 2023
Amended claims with annotations
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Jun 5, 2023
Letter accompanying subsequently filed items
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Jun 5, 2023
Feb 22, 2023
Annex to the communication
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Feb 22, 2023
Summons to attend oral proceedings
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Feb 17, 2023
Annex to the communication
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Feb 17, 2023
Consultation by telephone/in person
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Annex to the communication
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Feb 16, 2023
Consultation by telephone/in person
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Annex to the communication
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Dec 15, 2022
Consultation by telephone/in person
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Annex to the communication
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Dec 14, 2022
Consultation by telephone/in person
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Dec 14, 2022
Observations by third parties
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Dec 14, 2022
Observations by third parties
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Dec 14, 2022
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(Electronic) Receipt
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Dec 12, 2022
(Electronic) Receipt
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Dec 12, 2022
Amended claims with annotations
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Dec 12, 2022
Amended claims with annotations
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Dec 12, 2022
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Dec 12, 2022
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Dec 12, 2022
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Dec 12, 2022
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Letter accompanying subsequently filed items
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Dec 12, 2022
Letter accompanying subsequently filed items
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Dec 12, 2022
Letter dealing with oral proceedings
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Letter dealing with oral proceedings
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Observations by third parties
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Dec 7, 2022
Observations by third parties
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Nov 15, 2022
(Electronic) Receipt
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Nov 15, 2022
Amended claims with annotations
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Nov 15, 2022
Amended claims with annotations
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Nov 15, 2022
Annex to the communication
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Nov 15, 2022
Claims
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Nov 15, 2022
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Consultation by telephone/in person
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Nov 15, 2022
Letter accompanying subsequently filed items
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Nov 15, 2022
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Observations by third parties
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Nov 4, 2022
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Oct 27, 2022
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Observations by third parties
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Oct 7, 2022
(Electronic) Receipt
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Oct 7, 2022
Amended claims with annotations
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Amended claims with annotations
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Oct 7, 2022
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Letter accompanying subsequently filed items
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Letter dealing with oral proceedings
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Sep 2, 2022
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Observations by third parties
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Jul 12, 2022
(Electronic) Receipt
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Jul 12, 2022
Amended claims with annotations
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Jul 12, 2022
Claims
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Jul 12, 2022
Letter accompanying subsequently filed items
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Letter dealing with oral proceedings
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May 23, 2022
Annex to the communication
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May 23, 2022
Summons to attend oral proceedings
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(Electronic) Receipt
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May 7, 2022
Enquiry as to the processing of the file
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May 7, 2022
Letter accompanying subsequently filed items
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Nov 3, 2021
Oct 27, 2021
Observations by third parties
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Oct 27, 2021
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Oct 14, 2021
(Electronic) Receipt
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Oct 14, 2021
Amended claims with annotations
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Oct 14, 2021
Amended claims with annotations
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Amended description with annotations
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Oct 14, 2021
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Description
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Oct 14, 2021
Letter accompanying subsequently filed items
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Annex to the communication
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Jul 15, 2021
Communication from the Examining Division
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Jul 8, 2021
Examination started
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Apr 14, 2021
(Electronic) Receipt
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Amended claims with annotations
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Amendments received before examination
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Letter accompanying subsequently filed items
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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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Oct 1, 2020
Priority search results copy provided by EPO
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Priority search results copy provided by EPO
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(Electronic) Receipt
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Aug 23, 2020
Request for entry into the European phase
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Jul 10, 2020
Information on entry into European phase
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Copy of the international search report
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Sep 6, 2019
Published international application - A1
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Mar 13, 2019
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(Electronic) Receipt
PCTRO
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Abstract
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Mar 1, 2019
Claims
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