Patent No. EP3713694 (titled "Apparatus And Method For Producing A Three-Dimensional Work Piece") was filed by Nikon SLM Solutions on Nov 20, 2017. The application was issued on Jan 3, 2024.

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 |
|---|---|---|
| ADDITIVE INDUSTRIES | Oct 3, 2024 | ALGEMEEN OCTROOI EN MERKENBUREAU |
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
Oct 9, 2026
Aug 12, 2026
Aug 7, 2026
Aug 7, 2026
Aug 7, 2026
Aug 7, 2026
Aug 7, 2026
Aug 7, 2026
Aug 7, 2026
Aug 7, 2026
Aug 7, 2026
Aug 7, 2026
Aug 7, 2026
Aug 7, 2026
Aug 7, 2026
Aug 7, 2026
Aug 7, 2026
Aug 7, 2026
Aug 7, 2026
Aug 7, 2026
Aug 7, 2026
Aug 7, 2026
Aug 7, 2026
Aug 7, 2026
Aug 7, 2026
Aug 7, 2026
Aug 7, 2026
Aug 7, 2026
Aug 7, 2026
Aug 7, 2026
Aug 7, 2026
Aug 7, 2026
Aug 7, 2026
Aug 7, 2026
Aug 7, 2026
Aug 7, 2026
Aug 7, 2026
Aug 7, 2026
Aug 7, 2026
Aug 7, 2026
Aug 7, 2026
Aug 7, 2026
Aug 7, 2026
Aug 7, 2026
Aug 7, 2026
Aug 7, 2026
Aug 7, 2026
Aug 7, 2026
Aug 7, 2026
Aug 7, 2026
Aug 7, 2026
Aug 7, 2026
Aug 7, 2026
Aug 7, 2026
Aug 7, 2026
Aug 7, 2026
Aug 7, 2026
Aug 7, 2026
Aug 7, 2026
Aug 7, 2026
Aug 7, 2026
Aug 7, 2026
Aug 7, 2026
Aug 7, 2026
Aug 7, 2026
Aug 7, 2026
Aug 7, 2026
Aug 7, 2026
Aug 7, 2026
Aug 7, 2026
Aug 7, 2026
Aug 7, 2026
Aug 7, 2026
Aug 7, 2026
Aug 7, 2026
Aug 7, 2026
Aug 7, 2026
Aug 7, 2026
Aug 7, 2026
Aug 7, 2026
Aug 7, 2026
Aug 7, 2026
Aug 7, 2026
Aug 7, 2026
Aug 7, 2026
Aug 7, 2026
Aug 7, 2026
Aug 7, 2026
Aug 7, 2026
Aug 7, 2026
Aug 7, 2026
Aug 7, 2026
Aug 7, 2026
Aug 7, 2026
Aug 7, 2026
Aug 7, 2026
Aug 7, 2026
Aug 7, 2026
Aug 7, 2026
Aug 7, 2026
Aug 7, 2026
Aug 7, 2026
Aug 7, 2026
Aug 7, 2026
Aug 7, 2026
Aug 7, 2026
Aug 7, 2026
Aug 7, 2026
Aug 7, 2026
Aug 7, 2026
Aug 7, 2026
Aug 7, 2026
Aug 7, 2026
Aug 7, 2026
Aug 7, 2026
Aug 7, 2026
Aug 7, 2026
Aug 7, 2026
Aug 7, 2026
Aug 7, 2026
Aug 7, 2026
Aug 7, 2026
Aug 7, 2026
Aug 7, 2026
Aug 7, 2026
Aug 7, 2026
Aug 7, 2026
Aug 7, 2026
Aug 7, 2026
Aug 7, 2026
Aug 7, 2026
Aug 7, 2026
Aug 7, 2026
Aug 7, 2026
Aug 7, 2026
Aug 7, 2026
Aug 7, 2026
Aug 7, 2026
Aug 7, 2026
Aug 7, 2026
Aug 7, 2026
Aug 7, 2026
Aug 7, 2026
Aug 7, 2026
Aug 7, 2026
Aug 7, 2026
Aug 7, 2026
Aug 7, 2026
Aug 6, 2026
Aug 6, 2026
Aug 6, 2026
Apr 15, 2026
Apr 14, 2026
Apr 14, 2026
Apr 14, 2026
Apr 1, 2026
Apr 1, 2026
Apr 1, 2026
Apr 1, 2026
Apr 1, 2026
Apr 1, 2026
Apr 1, 2026
Feb 21, 2025
Feb 18, 2025
Feb 18, 2025
Feb 18, 2025
Jan 20, 2025
Jan 20, 2025
Jan 17, 2025
Jan 16, 2025
Jan 16, 2025
Jan 16, 2025
Oct 18, 2024
Oct 18, 2024
Oct 4, 2024
Oct 3, 2024
Oct 3, 2024
Oct 3, 2024
Oct 3, 2024
Oct 3, 2024
Oct 3, 2024
Oct 3, 2024
Oct 3, 2024
Oct 3, 2024
Oct 3, 2024
Oct 3, 2024
Oct 3, 2024
Oct 3, 2024
Oct 3, 2024
Oct 3, 2024
Oct 3, 2024
Jan 16, 2024
Dec 7, 2023
Oct 19, 2023
Oct 19, 2023
Oct 12, 2023
Oct 12, 2023
Oct 12, 2023
Oct 12, 2023
Sep 27, 2023
Sep 13, 2023
Sep 13, 2023
Sep 13, 2023
Sep 13, 2023
Sep 13, 2023
Jun 2, 2023
Jun 2, 2023
Jun 2, 2023
Jun 2, 2023
Jun 2, 2023
Jun 2, 2023
Apr 26, 2023
Nov 23, 2020
Nov 23, 2020
Nov 23, 2020
Nov 23, 2020
Nov 23, 2020
Nov 23, 2020
Nov 23, 2020
Sep 2, 2020
Jun 30, 2020
Jun 26, 2020
Jun 26, 2020
Jun 26, 2020
Jun 26, 2020
Jun 26, 2020
Jun 26, 2020
Jun 11, 2020
May 18, 2020
May 18, 2020
May 8, 2020
May 8, 2020
Mar 27, 2020
May 23, 2019
May 23, 2019
Dec 11, 2018
Dec 11, 2018
Dec 11, 2018
Dec 11, 2018
Dec 11, 2018
Dec 11, 2018
Dec 11, 2018
Dec 11, 2018
Dec 11, 2018
Dec 11, 2018
Dec 11, 2018
Dec 11, 2018
Aug 28, 2018
Aug 27, 2018
Aug 27, 2018
Aug 27, 2018
Jun 19, 2018
Jun 19, 2018
Mar 12, 2018
Mar 12, 2018
Mar 12, 2018
Mar 12, 2018
Mar 12, 2018
Mar 12, 2018
Mar 12, 2018
Mar 12, 2018
Mar 12, 2018
Mar 12, 2018
Dec 22, 2017
Nov 29, 2017
Nov 24, 2017
Nov 24, 2017
Nov 20, 2017
Nov 20, 2017
Nov 20, 2017
Nov 20, 2017
Nov 20, 2017
Nov 20, 2017