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The patent EP3615342 was granted to Transitions Optical on Aug 24, 2022. The application was filed on Apr 28, 2017 under application number EP17723945A. The patent is currently recorded with a legal status of "Opposition Rejected".

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 |
|---|---|---|---|
| FARAGO SCHAUER | May 23, 2023 | FARAGO SCHAUER | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| INTERNATIONAL-SEARCH-REPORT | EP3115215 |
| INTERNATIONAL-SEARCH-REPORT | US2013000499 |
| OPPOSITION | EP3115215 |
| OPPOSITION | GB2376920 |
| OPPOSITION | US2002039172 |
| OPPOSITION | US2003085934 |
| OPPOSITION | US2003184710 |
| OPPOSITION | US2005272833 |
| OPPOSITION | US2008078037 |
| OPPOSITION | US2008273073 |
| OPPOSITION | US2013000499 |
| OPPOSITION | US2013100399 |
| OPPOSITION | US2015061166 |
| OPPOSITION | US6767097 |
| OPPOSITION | WO2015155646 |
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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OPPO
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Decision to grant a European patent
Search/Exam
Jul 13, 2022
(Electronic) Receipt
Search/Exam
Jul 13, 2022
Filing of the translations of the claims
Search/Exam
Jul 13, 2022
French translation of claims
Search/Exam
Jul 13, 2022
German translation of the claims
Search/Exam
Jul 13, 2022
Letter accompanying subsequently filed items
Search/Exam
Mar 29, 2022
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Intention to grant (signatures)
Search/Exam
Mar 29, 2022
Text intended for grant (clean copy)
Search/Exam
Mar 29, 2022
Mar 9, 2022
(Electronic) Receipt
Search/Exam
Mar 9, 2022
Letter accompanying subsequently filed items
Search/Exam
Mar 9, 2022
Matter concerning the application
Search/Exam
Mar 9, 2022
Nov 19, 2021
Annex to the communication
Search/Exam
Nov 19, 2021
Communication from the Examining Division
Search/Exam
Nov 16, 2021
Examination started
Search/Exam
May 27, 2020
(Electronic) Receipt
Search/Exam
May 27, 2020
May 27, 2020
Amended claims with annotations
Search/Exam
May 27, 2020
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Amended description with annotations
Search/Exam
May 27, 2020
Letter accompanying subsequently filed items
Search/Exam
Feb 18, 2020
(Electronic) Receipt
Search/Exam
Feb 18, 2020
Letter accompanying subsequently filed items
Search/Exam
Feb 18, 2020
Letter concerning the inventor
Search/Exam
Feb 12, 2020
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Letter which had not been notified
Search/Exam
Feb 5, 2020
Dec 5, 2019
Dec 3, 2019
Communication to designated inventor
Search/Exam
Dec 3, 2019
Communication to designated inventor
Search/Exam
Nov 11, 2019
Oct 17, 2019
(Electronic) Receipt
Search/Exam
Oct 17, 2019
Request for entry into the European phase
Search/Exam
Sep 6, 2019
Information on entry into European phase
Search/Exam
Nov 1, 2018
Copy of the international search report
Search/Exam
Nov 1, 2018
Published international application - A1
Search/Exam
Jan 2, 2018
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May 30, 2017
Apr 28, 2017
(Electronic) Receipt
PCTRO
Apr 28, 2017
Abstract
PCTRO
Apr 28, 2017
Claims
PCTRO
Apr 28, 2017
Description
PCTRO
Apr 28, 2017
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Drawings
PCTRO
Apr 28, 2017
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