Patent No. EP3277452 (titled "Method For Producing A Metal Workpiece In Layers By Means Of Laser-Assisted Additive Manufacturing") was filed by Linde on Mar 23, 2016. The application was issued on Dec 18, 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 |
|---|---|---|
| LAIR LIQUIDE | Oct 21, 2019 | AIR LIQUIDE |
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
Get instant alerts for new documents
Nov 21, 2024
Nov 21, 2024
Nov 13, 2024
Nov 13, 2024
Nov 13, 2024
Nov 13, 2024
Nov 13, 2024
Sep 10, 2024
Sep 10, 2024
Sep 5, 2024
Jul 15, 2024
Jul 12, 2024
Jul 12, 2024
Jul 12, 2024
Jun 13, 2024
Jun 13, 2024
Jun 13, 2024
May 28, 2024
May 28, 2024
May 27, 2024
May 27, 2024
May 27, 2024
May 27, 2024
May 27, 2024
Apr 8, 2024
Apr 5, 2024
Apr 5, 2024
Apr 5, 2024
Apr 5, 2024
Apr 5, 2024
Dec 13, 2023
Dec 8, 2023
Dec 8, 2023
Dec 8, 2023
Dec 8, 2023
Dec 5, 2023
Dec 5, 2023
Dec 5, 2023
Nov 24, 2023
Nov 24, 2023
Nov 21, 2023
Nov 20, 2023
Nov 20, 2023
Nov 20, 2023
Nov 9, 2023
Nov 9, 2023
Nov 9, 2023
Nov 6, 2023
Mar 12, 2023
Apr 21, 2022
Apr 14, 2022
Apr 14, 2022
Apr 14, 2022
Dec 15, 2021
Dec 9, 2021
Dec 9, 2021
Dec 9, 2021
Dec 9, 2021
Dec 9, 2021
Dec 9, 2021
Dec 9, 2021
Dec 9, 2021
Dec 9, 2021
Oct 6, 2021
Oct 6, 2021
Sep 29, 2021
Sep 29, 2021
Sep 29, 2021
Sep 2, 2021
Sep 2, 2021
Sep 2, 2021
Aug 2, 2021
Aug 2, 2021
Aug 2, 2021
Aug 2, 2021
Aug 2, 2021
Aug 2, 2021
Aug 2, 2021
Aug 2, 2021
Aug 2, 2021
Aug 2, 2021
Aug 2, 2021
Aug 2, 2021
Aug 2, 2021
Aug 2, 2021
Aug 2, 2021
Apr 22, 2021
Mar 4, 2021
Feb 23, 2021
Feb 22, 2021
Feb 22, 2021
Feb 22, 2021
Feb 22, 2021
Feb 22, 2021
Feb 22, 2021
Feb 22, 2021
Feb 22, 2021
Feb 22, 2021
Feb 15, 2021
Feb 15, 2021
Feb 15, 2021
Jan 26, 2021
Jan 26, 2021
Nov 11, 2020
Nov 3, 2020
Nov 3, 2020
Oct 21, 2020
Oct 21, 2020
Oct 21, 2020
Oct 19, 2020
Oct 15, 2020
Oct 15, 2020
Oct 15, 2020
Oct 15, 2020
Oct 15, 2020
Jun 8, 2020
Jun 2, 2020
Jun 2, 2020
Jun 2, 2020
Jun 2, 2020
Jun 2, 2020
Jun 2, 2020
Jun 2, 2020
Jun 2, 2020
Jun 2, 2020
May 18, 2020
May 13, 2020
May 12, 2020
May 12, 2020
May 12, 2020
May 12, 2020
Mar 19, 2020
Mar 19, 2020
Mar 16, 2020
Nov 7, 2019
Nov 7, 2019
Oct 29, 2019
Oct 29, 2019
Oct 29, 2019
Oct 25, 2019
Oct 24, 2019
Oct 24, 2019
Oct 24, 2019
Oct 24, 2019
Oct 24, 2019
Oct 21, 2019
Oct 21, 2019
Oct 21, 2019
Oct 21, 2019
Oct 21, 2019
Oct 21, 2019
Oct 21, 2019
Oct 21, 2019
Oct 21, 2019
Oct 21, 2019
Oct 21, 2019
Oct 21, 2019
Oct 21, 2019
Oct 21, 2019
Oct 21, 2019
Oct 21, 2019
Oct 21, 2019
Oct 21, 2019
Oct 21, 2019
Oct 21, 2019
Oct 21, 2019
Oct 21, 2019
Oct 21, 2019
Oct 21, 2019
Oct 21, 2019
Oct 21, 2019
Oct 21, 2019
Oct 21, 2019
Oct 21, 2019
Feb 4, 2019
Jan 7, 2019
Dec 3, 2018
Dec 3, 2018
Dec 3, 2018
Dec 3, 2018
Sep 19, 2018
Sep 19, 2018
Sep 19, 2018
Sep 19, 2018
Sep 19, 2018
Sep 11, 2018
Aug 31, 2018
May 9, 2018
Jan 10, 2018
Nov 8, 2017
Nov 6, 2017
Oct 31, 2017
Oct 17, 2017
Sep 4, 2017
Aug 11, 2017
Oct 27, 2016
Oct 6, 2016
Oct 6, 2016
Jun 2, 2016
Jun 2, 2016
Jun 1, 2016
Jun 1, 2016
Jun 1, 2016
May 18, 2016
Apr 19, 2016
Apr 8, 2016
Apr 6, 2016
Mar 23, 2016
Mar 23, 2016
Mar 23, 2016
Mar 23, 2016
Mar 23, 2016
Mar 23, 2016
Mar 23, 2016
Mar 23, 2016