Patent No. EP3206837 (titled "Polishing Disc For A Tool For Finely Machining Optically Active Surfaces On Spectacle Lenses") was filed by Satisloh on Sep 16, 2015. The application was issued on Nov 20, 2019.

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 |
|---|---|---|
| SCHNEIDER | Aug 20, 2020 | VON ROHR PATENTANWALTE PARTNERSCHAFT MBB |
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
Apr 6, 2023
Apr 6, 2023
Apr 3, 2023
Dec 28, 2022
Dec 24, 2022
Dec 23, 2022
Dec 23, 2022
Dec 23, 2022
Dec 23, 2022
Dec 23, 2022
Dec 23, 2022
Dec 23, 2022
Dec 23, 2022
Dec 23, 2022
Dec 23, 2022
Dec 23, 2022
Dec 23, 2022
Dec 23, 2022
Dec 23, 2022
Nov 8, 2022
Nov 4, 2022
Nov 2, 2022
Sep 30, 2022
Sep 27, 2022
Sep 27, 2022
Sep 14, 2022
Sep 8, 2022
Sep 8, 2022
Sep 8, 2022
Sep 8, 2022
Sep 8, 2022
Sep 8, 2022
Sep 8, 2022
Sep 8, 2022
Sep 8, 2022
Sep 8, 2022
Sep 8, 2022
Sep 8, 2022
Sep 8, 2022
Sep 8, 2022
Sep 8, 2022
Sep 8, 2022
Jun 17, 2022
Jun 17, 2022
Dec 23, 2021
Dec 23, 2021
Dec 23, 2021
Dec 23, 2021
Dec 20, 2021
Nov 2, 2021
Nov 2, 2021
Oct 27, 2021
Oct 27, 2021
Oct 27, 2021
Oct 27, 2021
Oct 27, 2021
Oct 27, 2021
Oct 27, 2021
Jun 1, 2021
May 27, 2021
May 27, 2021
May 27, 2021
May 27, 2021
May 27, 2021
May 27, 2021
May 27, 2021
May 27, 2021
Jan 14, 2021
Jan 14, 2021
Jan 12, 2021
Dec 21, 2020
Dec 21, 2020
Dec 21, 2020
Dec 21, 2020
Dec 21, 2020
Dec 21, 2020
Dec 21, 2020
Dec 21, 2020
Dec 21, 2020
Dec 21, 2020
Sep 11, 2020
Sep 11, 2020
Aug 26, 2020
Aug 20, 2020
Aug 20, 2020
Aug 20, 2020
Aug 20, 2020
Aug 20, 2020
Aug 20, 2020
Aug 20, 2020
Dec 2, 2019
Oct 24, 2019
Oct 4, 2019
Oct 4, 2019
Oct 4, 2019
Jul 12, 2019
Jul 12, 2019
Jul 12, 2019
Jul 12, 2019
Jul 12, 2019
Jun 5, 2019
Mar 14, 2019
Dec 14, 2017
Dec 14, 2017
Dec 14, 2017
Dec 14, 2017
Dec 14, 2017
Dec 12, 2017
Dec 12, 2017
Dec 12, 2017
Dec 12, 2017
Dec 12, 2017
Dec 12, 2017
Aug 23, 2017
Aug 23, 2017
Jul 26, 2017
Jun 8, 2017
Jun 2, 2017
Jun 2, 2017
Jun 2, 2017
Jun 2, 2017
May 8, 2017
May 8, 2017
May 8, 2017
May 2, 2017
Feb 24, 2017
May 18, 2016
Apr 21, 2016
Apr 21, 2016
Apr 21, 2016
Jan 11, 2016
Jan 11, 2016
Jan 11, 2016
Sep 24, 2015
Sep 16, 2015
Sep 16, 2015
Sep 16, 2015
Sep 16, 2015
Sep 16, 2015
Sep 16, 2015
Sep 16, 2015