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The patent EP3362837 was granted to A Schweizer Optische Fabrik on Apr 15, 2020. The application was filed on Sep 12, 2016 under application number EP16775082A. 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 30, 2020 | RAU | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| INTERNATIONAL-SEARCH-REPORT | CN200965588Y |
| INTERNATIONAL-SEARCH-REPORT | WO2011138089 |
| INTERNATIONAL-SEARCH-REPORT | WO2014076048 |
| OPPOSITION | CN104696849 |
| OPPOSITION | CN200965588Y |
| OPPOSITION | US2015222135 |
| OPPOSITION | US2015281531 |
| OPPOSITION | WO2011138089 |
| OPPOSITION | 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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(Electronic) Receipt
Appeal
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(Electronic) Receipt
Appeal
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Appeal
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Appeal
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Appeal
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Appeal
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Appeal
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(Electronic) Receipt
Appeal
Oct 20, 2023
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Reply to appeal
Appeal
Oct 19, 2023
(Electronic) Receipt
Appeal
Oct 19, 2023
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Reply to appeal
Appeal
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Advice of delivery
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Appeal
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Appeal
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Appeal
Apr 5, 2023
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Notice of appeal
Appeal
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Appeal
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Apr 27, 2020
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Decision to grant a European patent
Search/Exam
Mar 3, 2020
(Electronic) Receipt
Search/Exam
Mar 3, 2020
English translation of the claims
Search/Exam
Mar 3, 2020
Filing of the translations of the claims
Search/Exam
Mar 3, 2020
French translation of claims
Search/Exam
Mar 3, 2020
Letter accompanying subsequently filed items
Search/Exam
Dec 18, 2019
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Intention to grant (signatures)
Search/Exam
Dec 18, 2019
Text intended for grant (clean copy)
Search/Exam
Dec 18, 2019
Nov 6, 2019
(Electronic) Receipt
Search/Exam
Nov 6, 2019
Amended claims with annotations
Search/Exam
Nov 6, 2019
Amended description with annotations
Search/Exam
Nov 6, 2019
Claims
Search/Exam
Nov 6, 2019
Description
Search/Exam
Nov 6, 2019
Letter accompanying subsequently filed items
Search/Exam
Nov 6, 2019
Oct 24, 2019
Annex to the communication
Search/Exam
Oct 24, 2019
Communication from the Examining Division
Search/Exam
Oct 18, 2019
Examination started
Search/Exam
Oct 15, 2019
Submission concerning representation
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Nov 13, 2018
(Electronic) Receipt
Search/Exam
Nov 13, 2018
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Amended claims with annotations
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Nov 13, 2018
Amendments received before examination
Search/Exam
Nov 13, 2018
Letter accompanying subsequently filed items
Search/Exam
Aug 1, 2018
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Submission concerning representation
Search/Exam
May 23, 2018
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Communication to designated inventor
Search/Exam
Apr 30, 2018
Mar 28, 2018
Information regarding early processing
Search/Exam
Mar 20, 2018
(Electronic) Receipt
Search/Exam
Mar 20, 2018
Priority search results
Search/Exam
Mar 20, 2018
Request for entry into the European phase
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Feb 23, 2018
Information on entry into European phase
Search/Exam
May 9, 2017
Apr 20, 2017
Copy of the international search report
Search/Exam
Apr 20, 2017
Copy of the international search report
Search/Exam
Apr 20, 2017
Published international application - A1
Search/Exam
Dec 22, 2016
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Sep 19, 2016
Sep 12, 2016
(Electronic) Receipt
PCTRO
Sep 12, 2016
Abstract
PCTRO
Sep 12, 2016
Claims
PCTRO
Sep 12, 2016
Description
PCTRO
Sep 12, 2016
Sep 12, 2016
Drawings
PCTRO
Sep 12, 2016