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The patent EP3512703 was granted to Additive Industries on May 26, 2021. The application was filed on Sep 18, 2017 under application number EP17781572A. 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 25, 2022 | SCHICKER | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| INTERNATIONAL-SEARCH-REPORT | CN205033598U |
| INTERNATIONAL-SEARCH-REPORT | US2007037509 |
| INTERNATIONAL-SEARCH-REPORT | US2015231831 |
| INTERNATIONAL-SEARCH-REPORT | WO2015077195 |
| OPPOSITION | DE102014014888 |
| OPPOSITION | US2007037509 |
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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Aug 7, 2025
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(Electronic) Receipt
Appeal
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(Electronic) Receipt
Appeal
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Notice of appeal
Appeal
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Apr 30, 2021
Decision to grant a European patent
Search/Exam
Apr 20, 2021
(Electronic) Receipt
Search/Exam
Apr 20, 2021
Filing of the translations of the claims
Search/Exam
Apr 20, 2021
French translation of claims
Search/Exam
Apr 20, 2021
German translation of the claims
Search/Exam
Mar 5, 2021
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Intention to grant (signatures)
Search/Exam
Mar 5, 2021
Text intended for grant (clean copy)
Search/Exam
Mar 5, 2021
Feb 11, 2021
Examination started
Search/Exam
Aug 6, 2019
(Electronic) Receipt
Search/Exam
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Amended claims with annotations
Search/Exam
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Amended description with annotations
Search/Exam
Aug 6, 2019
Amendments received before examination
Search/Exam
Aug 6, 2019
Letter accompanying subsequently filed items
Search/Exam
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Communication to designated inventor
Search/Exam
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Communication to designated inventor
Search/Exam
Apr 23, 2019
Communication to designated inventor
Search/Exam
Apr 16, 2019
Priority search results copy provided by EPO
Search/Exam
Apr 2, 2019
Mar 11, 2019
(Electronic) Receipt
Search/Exam
Mar 11, 2019
Request for entry into the European phase
Search/Exam
Jan 25, 2019
Information on entry into European phase
Search/Exam
Jun 11, 2018
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Notification of the recording of a change
Search/Exam
Apr 9, 2018
Mar 22, 2018
Copy of the international search report
Search/Exam
Mar 22, 2018
Published international application - A1
Search/Exam
Jan 4, 2018
ISR: cited documents
PCTISA
Jan 3, 2018
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Oct 24, 2017
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Sep 18, 2017
Abstract
PCTISA
Sep 18, 2017
Annex
PCTISA
Sep 18, 2017
Claims
PCTISA
Sep 18, 2017
Description
PCTISA
Sep 18, 2017
Drawings
PCTISA