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The patent EP3382582 was granted to Hexagon Technology Center on Sep 28, 2022. The application was filed on Mar 15, 2018 under application number EP18162137A. 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 |
|---|---|---|---|
| CARL ZEISS | Jun 27, 2023 | BRUNOTTE | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| EXAMINATION | EP3082055 |
| OPPOSITION | DE10357413 |
| OPPOSITION | EP2313867 |
| OPPOSITION | EP3082055 |
| OPPOSITION | US2015339851 |
| OPPOSITION | US7725206 |
| OPPOSITION | WO2004020935 |
| SEARCH | US2015339851 |
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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Dec 10, 2025
Dec 5, 2025
(Electronic) Receipt
Appeal
Dec 5, 2025
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(Electronic) Receipt
Appeal
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(Electronic) Receipt
Appeal
Aug 6, 2025
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Reply to appeal
Appeal
Apr 8, 2025
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(Electronic) Receipt
Appeal
Apr 2, 2025
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Refund of fees
Appeal
Feb 7, 2025
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Feb 3, 2025
(Electronic) Receipt
Appeal
Feb 3, 2025
Feb 3, 2025
Notice of appeal
Appeal
Jan 3, 2025
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OPPO
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Oct 11, 2022
Sep 1, 2022
Decision to grant a European patent
Search/Exam
Aug 24, 2022
Filing of the translations of the claims
Search/Exam
Aug 24, 2022
French translation of claims
Search/Exam
Aug 24, 2022
German translation of the claims
Search/Exam
May 4, 2022
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May 4, 2022
Intention to grant (signatures)
Search/Exam
May 4, 2022
Text intended for grant (clean copy)
Search/Exam
May 4, 2022
May 6, 2021
Change to the inventor details
Search/Exam
Apr 29, 2021
Letter concerning the inventor
Search/Exam
Mar 17, 2021
Amended claims with annotations
Search/Exam
Mar 17, 2021
Claims
Search/Exam
Mar 17, 2021
Jan 13, 2021
Annex to the communication
Search/Exam
Jan 13, 2021
Communication from the Examining Division
Search/Exam
Nov 7, 2019
Amended claims with annotations
Search/Exam
Nov 7, 2019
Claims
Search/Exam
Nov 7, 2019
Nov 4, 2019
Amended claims with annotations
Search/Exam
Nov 4, 2019
Amended claims with annotations
Search/Exam
Nov 4, 2019
Claims
Search/Exam
Nov 4, 2019
Claims
Search/Exam
Nov 4, 2019
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Jul 4, 2019
Annex to the communication
Search/Exam
Jul 4, 2019
Communication from the Examining Division
Search/Exam
Jun 26, 2019
Examination started
Search/Exam
Mar 12, 2019
(Electronic) Receipt
Search/Exam
Mar 12, 2019
Mar 12, 2019
Amended claims with annotations
Search/Exam
Mar 12, 2019
Amendments received before examination
Search/Exam
Mar 12, 2019
Letter accompanying subsequently filed items
Search/Exam
Oct 8, 2018
Sep 5, 2018
Notification of forthcoming publication
Search/Exam
Jul 5, 2018
Jul 5, 2018
European search opinion
Search/Exam
Jul 5, 2018
European search report
Search/Exam
Jul 5, 2018
Information on Search Strategy
Search/Exam
Jun 25, 2018
Search started
Search/Exam
Jun 5, 2018
May 30, 2018
Submission concerning representation
Search/Exam
May 18, 2018
May 15, 2018
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Communication to designated inventor
Search/Exam
May 8, 2018
Communication to designated inventor
Search/Exam
Mar 15, 2018
Abstract
Search/Exam
Mar 15, 2018
Mar 15, 2018
Claims
Search/Exam
Mar 15, 2018
Description
Search/Exam
Mar 15, 2018
Designation of inventor
Search/Exam
Mar 15, 2018
Drawings
Search/Exam
Mar 15, 2018
Request for grant of a European patent
Search/Exam