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The patent EP3034991 was granted to Hexagon Technology Center on Aug 24, 2022. The application was filed on Dec 19, 2014 under application number EP14199469A. The patent is currently recorded with a legal status of "Patent Maintained As Amended".

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 | Jul 9, 2020 | BRUNOTTE | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | EP1559990 |
| DESCRIPTION | EP1687589 |
| DESCRIPTION | GB2425840 |
| DESCRIPTION | WO0204883 |
| EXAMINATION | DE4212455 |
| OPPOSITION | DE10111377 |
| OPPOSITION | DE102008049751 |
| OPPOSITION | DE19706706 |
| OPPOSITION | DE4212455 |
| OPPOSITION | DE4424225 |
| OPPOSITION | DE4436507 |
| OPPOSITION | DE69127277T |
| OPPOSITION | EP0657715 |
| OPPOSITION | EP0849654 |
| OPPOSITION | EP1429109 |
| OPPOSITION | US2002029119 |
| OPPOSITION | US5623766 |
| OPPOSITION | WO2012130832 |
| SEARCH | US2002029119 |
| SEARCH | US5623766 |
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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Jul 28, 2022
Jul 28, 2022
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Jul 18, 2022
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Jul 5, 2022
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Jun 28, 2022
Refund of fees
Appeal
Jun 27, 2022
Jun 27, 2022
Jun 24, 2022
Jun 24, 2022
Jun 15, 2022
Jun 14, 2022
(Electronic) Receipt
Appeal
Jun 14, 2022
Jun 14, 2022
Withdrawal of an appeal
Appeal
May 20, 2022
May 20, 2022
May 13, 2022
(Electronic) Receipt
Appeal
May 13, 2022
May 13, 2022
Notice of appeal
Appeal
Mar 10, 2022
Mar 3, 2022
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Means of redress
OPPO
Mar 3, 2022
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Oct 21, 2019
Sep 12, 2019
Decision to grant a European patent
Search/Exam
Aug 28, 2019
Filing of the translations of the claims
Search/Exam
Aug 28, 2019
French translation of claims
Search/Exam
Aug 28, 2019
German translation of the claims
Search/Exam
Jun 17, 2019
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Intention to grant (signatures)
Search/Exam
Jun 17, 2019
Text intended for grant (clean copy)
Search/Exam
Jun 17, 2019
Feb 13, 2019
Amended claims with annotations
Search/Exam
Feb 13, 2019
Claims
Search/Exam
Feb 13, 2019
Description
Search/Exam
Feb 13, 2019
Feb 11, 2019
Amended claims with annotations
Search/Exam
Feb 11, 2019
Claims
Search/Exam
Feb 11, 2019
Description
Search/Exam
Feb 11, 2019
Oct 18, 2018
Annex to the communication
Search/Exam
Oct 18, 2018
Communication from the Examining Division
Search/Exam
Oct 5, 2018
Examination started
Search/Exam
Jul 16, 2018
Oct 17, 2017
Oct 11, 2017
Dec 19, 2016
Payment of fees and costs
Search/Exam
Dec 19, 2016
Reply to Written Opinion prepared by the EPO
Search/Exam
Dec 15, 2016
Payment of fees and costs
Search/Exam
Dec 15, 2016
Payment of fees and costs
Search/Exam
Dec 15, 2016
Reply to Written Opinion prepared by the EPO
Search/Exam
Jun 27, 2016
May 25, 2016
Notification of forthcoming publication
Search/Exam
Jun 1, 2015
Jun 1, 2015
European search opinion
Search/Exam
Jun 1, 2015
European search report
Search/Exam
May 20, 2015
Search started
Search/Exam
Feb 11, 2015
Communication to designated inventor
Search/Exam
Feb 11, 2015
Communication to designated inventor
Search/Exam
Dec 19, 2014
Abstract
Search/Exam
Dec 19, 2014
Dec 19, 2014
Claims
Search/Exam
Dec 19, 2014
Description
Search/Exam
Dec 19, 2014
Designation of inventor
Search/Exam
Dec 19, 2014
Designation of inventor
Search/Exam
Dec 19, 2014
Drawings
Search/Exam
Dec 19, 2014
Request for grant of a European patent
Search/Exam