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The patent EP3336911 was granted to Piezocryst Advanced Sensorics on Jul 10, 2019. The application was filed on Nov 6, 2017 under application number EP17200181A. 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 |
|---|---|---|---|
| KISTLER INSTRUMENTE | Apr 10, 2020 | - | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| OPPOSITION | AT237928B |
| OPPOSITION | US2864013 |
| OPPOSITION | US6121718 |
| OPPOSITION | WO2004068097 |
| OPPOSITION | WO2005026678 |
| SEARCH | DE3838014 |
| SEARCH | EP2878939 |
| SEARCH | WO2005026678 |
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 3, 2024
Refund of fees
Search/Exam
Mar 26, 2024
Mar 26, 2024
Mar 22, 2024
Mar 22, 2024
Mar 22, 2024
Mar 21, 2024
(Electronic) Receipt
Appeal
Mar 21, 2024
Mar 21, 2024
Mar 21, 2024
Withdrawal of an appeal
Appeal
Feb 23, 2024
Feb 23, 2024
Dec 15, 2023
Dec 14, 2023
(Electronic) Receipt
Appeal
Dec 14, 2023
Dec 14, 2023
Nov 14, 2023
Advice of delivery
Appeal
Nov 14, 2023
Nov 14, 2023
Nov 9, 2023
Oct 27, 2023
Mar 24, 2023
Mar 20, 2023
Mar 20, 2023
Dec 2, 2022
Nov 28, 2022
(Electronic) Receipt
Appeal
Nov 28, 2022
Nov 28, 2022
Aug 1, 2022
Jul 27, 2022
(Electronic) Receipt
Appeal
Jul 27, 2022
Jul 27, 2022
Jul 27, 2022
Jul 27, 2022
Jul 27, 2022
Jul 27, 2022
Jul 27, 2022
Jul 27, 2022
Jul 27, 2022
Jul 27, 2022
Jul 27, 2022
Reply to appeal
Appeal
Mar 17, 2022
Mar 14, 2022
(Electronic) Receipt
Appeal
Mar 14, 2022
Mar 14, 2022
Mar 14, 2022
Mar 14, 2022
Mar 14, 2022
Mar 14, 2022
Mar 14, 2022
Mar 14, 2022
Mar 14, 2022
Mar 14, 2022
Jan 17, 2022
Jan 17, 2022
Jan 10, 2022
(Electronic) Receipt
Appeal
Jan 10, 2022
Jan 10, 2022
Notice of appeal
Appeal
Nov 24, 2021
Nov 24, 2021
Nov 24, 2021
Nov 24, 2021
Nov 3, 2021
Nov 3, 2021
Nov 3, 2021
Nov 3, 2021
Nov 3, 2021
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Nov 3, 2021
Means of redress
OPPO
Nov 3, 2021
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Jun 1, 2021
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May 28, 2021
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May 17, 2021
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Dec 24, 2020
Dec 17, 2020
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Dec 14, 2020
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Oct 30, 2020
Oct 26, 2020
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Aug 17, 2020
Aug 11, 2020
Aug 11, 2020
Aug 6, 2020
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Apr 28, 2020
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Apr 22, 2020
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Apr 17, 2020
Apr 10, 2020
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Apr 10, 2020
Apr 10, 2020
Apr 10, 2020
Apr 10, 2020
Apr 10, 2020
Jul 22, 2019
Jun 14, 2019
Decision to grant a European patent
Search/Exam
Jun 3, 2019
(Electronic) Receipt
Search/Exam
Jun 3, 2019
English translation of the claims
Search/Exam
Jun 3, 2019
Filing of the translations of the claims
Search/Exam
Jun 3, 2019
French translation of claims
Search/Exam
Jun 3, 2019
Letter accompanying subsequently filed items
Search/Exam
Mar 1, 2019
Mar 1, 2019
Mar 1, 2019
Intention to grant (signatures)
Search/Exam
Mar 1, 2019
Text intended for grant (clean copy)
Search/Exam
Mar 1, 2019
Jan 31, 2019
Examination started
Search/Exam
Dec 11, 2018
(Electronic) Receipt
Search/Exam
Dec 11, 2018
Letter accompanying subsequently filed items
Search/Exam
Dec 11, 2018
Written request for examination
Search/Exam
Jun 25, 2018
May 24, 2018
Notification of forthcoming publication
Search/Exam
May 4, 2018
May 4, 2018
European search opinion
Search/Exam
May 4, 2018
European search report
Search/Exam
May 4, 2018
Information on Search Strategy
Search/Exam
Apr 19, 2018
Search started
Search/Exam
Jan 4, 2018
Communication to designated inventor
Search/Exam
Jan 4, 2018
Communication to designated inventor
Search/Exam
Jan 4, 2018
Communication to designated inventor
Search/Exam
Nov 13, 2017
Letter concerning the priority
Search/Exam
Nov 13, 2017
Priority document
Search/Exam
Nov 6, 2017
Abstract
Search/Exam
Nov 6, 2017
Nov 6, 2017
Claims
Search/Exam
Nov 6, 2017
Description
Search/Exam
Nov 6, 2017
Designation of inventor
Search/Exam
Nov 6, 2017
Drawings
Search/Exam
Nov 6, 2017
Priority search results
Search/Exam
Nov 6, 2017
Request for grant of a European patent
Search/Exam