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The patent EP3544787 was granted to Additive Industries on May 25, 2022. The application was filed on Nov 10, 2017 under application number EP17817228A. 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 |
|---|---|---|---|
| NIKON SLM SOLUTIONS | Feb 21, 2023 | SCHOTT | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| EXAMINATION | WO9534468 |
| INTERNATIONAL-SEARCH-REPORT | DE102011088158 |
| INTERNATIONAL-SEARCH-REPORT | EP3023227 |
| INTERNATIONAL-SEARCH-REPORT | WO2014144630 |
| INTERNATIONAL-SEARCH-REPORT | WO2016085334 |
| OPPOSITION | DE102011088158 |
| OPPOSITION | EP3243620 |
| OPPOSITION | WO2013092757 |
| OPPOSITION | WO2013178825 |
| OPPOSITION | WO2016131785 |
| OPPOSITION | WO2018097708 |
| OPPOSITION | WO9534468 |
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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Means of redress
OPPO
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Description
OPPO
Oct 11, 2023
Description
OPPO
Oct 11, 2023
Description
OPPO
Oct 11, 2023
Description
OPPO
Oct 11, 2023
Description
OPPO
Oct 11, 2023
Description
OPPO
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Decision to grant a European patent
Search/Exam
Apr 12, 2022
(Electronic) Receipt
Search/Exam
Apr 12, 2022
Filing of the translations of the claims
Search/Exam
Apr 12, 2022
French translation of claims
Search/Exam
Apr 12, 2022
German translation of the claims
Search/Exam
Jan 26, 2022
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Intention to grant (signatures)
Search/Exam
Jan 26, 2022
Text intended for grant (clean copy)
Search/Exam
Jan 26, 2022
Dec 3, 2021
(Electronic) Receipt
Search/Exam
Dec 3, 2021
Amended claims with annotations
Search/Exam
Dec 3, 2021
Claims
Search/Exam
Dec 3, 2021
Letter accompanying subsequently filed items
Search/Exam
Dec 3, 2021
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Intention to grant (signatures)
Search/Exam
Nov 25, 2021
Text intended for grant (clean copy)
Search/Exam
Nov 25, 2021
Sep 23, 2020
(Electronic) Receipt
Search/Exam
Sep 23, 2020
Amended claims with annotations
Search/Exam
Sep 23, 2020
Amended description with annotations
Search/Exam
Sep 23, 2020
Claims
Search/Exam
Sep 23, 2020
Description
Search/Exam
Sep 23, 2020
Letter accompanying subsequently filed items
Search/Exam
Sep 23, 2020
Sep 17, 2020
Annex to the communication
Search/Exam
Sep 17, 2020
Communication from the Examining Division
Search/Exam
Aug 24, 2020
Examination started
Search/Exam
Oct 15, 2019
(Electronic) Receipt
Search/Exam
Oct 15, 2019
Oct 15, 2019
Amended claims with annotations
Search/Exam
Oct 15, 2019
Oct 15, 2019
Amended description with annotations
Search/Exam
Oct 15, 2019
Amendments received before examination
Search/Exam
Oct 15, 2019
Letter accompanying subsequently filed items
Search/Exam
Sep 4, 2019
Jul 2, 2019
Jun 28, 2019
Communication to designated inventor
Search/Exam
Jun 28, 2019
Communication to designated inventor
Search/Exam
Jun 25, 2019
Priority search results copy provided by EPO
Search/Exam
Jun 13, 2019
May 23, 2019
(Electronic) Receipt
Search/Exam
May 23, 2019
Letter accompanying subsequently filed items
Search/Exam
May 23, 2019
Letter concerning the inventor
Search/Exam
May 17, 2019
(Electronic) Receipt
Search/Exam
May 17, 2019
Request for entry into the European phase
Search/Exam
Apr 5, 2019
Information on entry into European phase
Search/Exam
Jun 20, 2018
Jun 11, 2018
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Notification of the recording of a change
Search/Exam
May 31, 2018
Copy of the international search report
Search/Exam
May 31, 2018
Published international application - A1
Search/Exam
Mar 2, 2018
ISR: cited documents
PCTISA
Feb 28, 2018
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Jan 5, 2018
Dec 21, 2017
Dec 21, 2017
Nov 10, 2017
Abstract
PCTISA
Nov 10, 2017
Annex
PCTISA
Nov 10, 2017
Claims
PCTISA
Nov 10, 2017
Description
PCTISA
Nov 10, 2017
Drawings
PCTISA