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The patent EP3706951 was granted to Alltec Angewandte Laserlicht Technologie on Jan 5, 2022. The application was filed on Nov 5, 2018 under application number EP18821772A. 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 |
|---|---|---|---|
| DUMMETT COPP | Oct 4, 2022 | NORDMEYER | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | US8000831 |
| EXAMINATION | CN204867817U |
| INTERNATIONAL-SEARCH-REPORT | US2010017012 |
| INTERNATIONAL-SEARCH-REPORT | US2010292947 |
| INTERNATIONAL-SEARCH-REPORT | US2017178379 |
| OPPOSITION | DE102014205142 |
| OPPOSITION | DE10205562 |
| OPPOSITION | EP1096777 |
| OPPOSITION | US2010017012 |
| OPPOSITION | US2017178379 |
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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Oct 20, 2025
Oct 20, 2025
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(Electronic) Receipt
Appeal
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Claims
Appeal
Jul 2, 2025
Claims
Appeal
Jul 2, 2025
Claims
Appeal
Jul 2, 2025
Claims
Appeal
Jul 2, 2025
Claims
Appeal
Jul 2, 2025
Claims
Appeal
Jul 2, 2025
Jul 2, 2025
Reply to appeal
Appeal
Jun 30, 2025
Mar 5, 2025
Mar 5, 2025
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Feb 17, 2025
Feb 11, 2025
Feb 11, 2025
Feb 10, 2025
(Electronic) Receipt
Appeal
Feb 10, 2025
(Electronic) Receipt
Appeal
Feb 10, 2025
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Dec 16, 2024
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Dec 9, 2024
(Electronic) Receipt
Appeal
Dec 9, 2024
Dec 9, 2024
Notice of appeal
Appeal
Oct 10, 2024
Oct 10, 2024
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Means of redress
OPPO
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Authorisation
OPPO
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Jan 18, 2022
Dec 9, 2021
Decision to grant a European patent
Search/Exam
Nov 23, 2021
(Electronic) Receipt
Search/Exam
Nov 23, 2021
Filing of the translations of the claims
Search/Exam
Nov 23, 2021
French translation of claims
Search/Exam
Nov 23, 2021
German translation of the claims
Search/Exam
Nov 23, 2021
Letter accompanying subsequently filed items
Search/Exam
Aug 23, 2021
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Intention to grant (signatures)
Search/Exam
Aug 23, 2021
Text intended for grant (clean copy)
Search/Exam
Aug 23, 2021
Jun 29, 2021
Examination started
Search/Exam
Nov 20, 2020
(Electronic) Receipt
Search/Exam
Nov 20, 2020
Nov 20, 2020
Amended claims with annotations
Search/Exam
Nov 20, 2020
Nov 20, 2020
Amended description with annotations
Search/Exam
Nov 20, 2020
Amendments received before examination
Search/Exam
Nov 20, 2020
Letter accompanying subsequently filed items
Search/Exam
Aug 19, 2020
Jun 17, 2020
Jun 15, 2020
Communication to designated inventor
Search/Exam
Jun 15, 2020
Communication to designated inventor
Search/Exam
Jun 4, 2020
May 29, 2020
May 14, 2020
(Electronic) Receipt
Search/Exam
May 14, 2020
May 14, 2020
Amended claims with annotations
Search/Exam
May 14, 2020
Annexes in respect of a client data request
Search/Exam
May 14, 2020
Request for entry into the European phase
Search/Exam
May 14, 2020
May 11, 2020
Mar 13, 2020
Information on entry into European phase
Search/Exam
Oct 8, 2019
Oct 8, 2019
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Sep 9, 2019
Notification of election of EPO
Search/Exam
Aug 27, 2019
Aug 16, 2019
Aug 9, 2019
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PCT demand form
PCT2
Aug 9, 2019
Aug 9, 2019
Jun 5, 2019
May 9, 2019
Copy of the international search report
Search/Exam
May 9, 2019
Published international application - A1
Search/Exam
Mar 6, 2019
ISR: cited documents
PCTISA
Mar 4, 2019
Mar 4, 2019
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Dec 17, 2018
Abstract
PCTISA
Dec 17, 2018
Annex
PCTISA
Dec 17, 2018
Claims
PCTISA
Dec 17, 2018
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Description
PCTISA
Dec 17, 2018
Drawings
PCTISA
Dec 17, 2018
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