The weekly litigation news digest is live. Subscribe now
The patent EP3777928 was granted to Schott on Oct 6, 2021. The application was filed on Aug 12, 2019 under application number EP19191322A. 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 |
|---|---|---|---|
| GERRESHEIMER BUNDE GMBHNUOVA OMPI UNIPERSONALE | Jul 6, 2022 | FISH & RICHARDSON PC | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| OPPOSITION | CN105362070 |
| OPPOSITION | CN205215718U |
| OPPOSITION | EP1809353 |
| OPPOSITION | US10961011 |
| OPPOSITION | US2014249479 |
| SEARCH | EP0845439 |
| SEARCH | JP2015073635 |
| SEARCH | US5851201 |
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
Dec 3, 2025
Dec 3, 2025
Dec 3, 2025
Dec 3, 2025
Dec 3, 2025
Dec 3, 2025
Dec 3, 2025
Dec 3, 2025
Means of redress
OPPO
Dec 3, 2025
Dec 3, 2025
Dec 3, 2025
Dec 3, 2025
Nov 13, 2025
Nov 5, 2025
Nov 4, 2025
Nov 4, 2025
Nov 4, 2025
Oct 21, 2025
Oct 21, 2025
Oct 21, 2025
Oct 17, 2025
Oct 13, 2025
Oct 13, 2025
Oct 13, 2025
Oct 13, 2025
Oct 13, 2025
Oct 13, 2025
Oct 13, 2025
Oct 13, 2025
Sep 24, 2025
Sep 17, 2025
Sep 17, 2025
Sep 12, 2025
Sep 12, 2025
Sep 12, 2025
Sep 12, 2025
Sep 12, 2025
Sep 12, 2025
Sep 12, 2025
Apr 3, 2025
Apr 3, 2025
Apr 3, 2025
Apr 3, 2025
Apr 3, 2025
Feb 18, 2025
Feb 13, 2025
Feb 13, 2025
Feb 13, 2025
Jan 20, 2025
Jan 14, 2025
Jan 14, 2025
Jan 14, 2025
Jan 14, 2025
Jan 14, 2025
Jan 14, 2025
Jan 14, 2025
Jan 14, 2025
Jan 14, 2025
Jan 14, 2025
Sep 18, 2024
Sep 18, 2024
Sep 18, 2024
Sep 18, 2024
Sep 18, 2024
Sep 17, 2024
Sep 11, 2024
Sep 11, 2024
Sep 11, 2024
Sep 10, 2024
Sep 10, 2024
Aug 2, 2024
Jul 31, 2024
Jul 30, 2024
Jul 30, 2024
Jul 30, 2024
Jul 30, 2024
Jul 30, 2024
Jul 30, 2024
Jul 30, 2024
Jul 30, 2024
Jul 30, 2024
Jul 30, 2024
Jul 30, 2024
Jul 30, 2024
Jul 30, 2024
Jul 30, 2024
Jul 30, 2024
Jul 30, 2024
Jul 30, 2024
Jul 30, 2024
Jul 30, 2024
Jul 30, 2024
Jul 30, 2024
Jul 26, 2024
Jul 26, 2024
Jul 26, 2024
Jul 26, 2024
Jul 26, 2024
Jul 26, 2024
Jul 26, 2024
Jul 26, 2024
Jul 26, 2024
Jul 26, 2024
Jul 26, 2024
Jul 26, 2024
Jun 27, 2024
Jun 21, 2024
Jun 21, 2024
Jun 21, 2024
Jan 24, 2024
Jan 19, 2024
Jan 19, 2024
Jan 19, 2024
Dec 27, 2023
Dec 21, 2023
Dec 21, 2023
Dec 21, 2023
Dec 21, 2023
Dec 21, 2023
Dec 21, 2023
Dec 21, 2023
Nov 29, 2022
Nov 24, 2022
Nov 24, 2022
Nov 24, 2022
Jul 27, 2022
Jul 27, 2022
Jul 27, 2022
Refund of fees
Search/Exam
Jul 20, 2022
Jul 20, 2022
Jul 20, 2022
Jul 18, 2022
Jul 6, 2022
Jul 6, 2022
Jul 6, 2022
Jul 6, 2022
Jul 6, 2022
Jul 6, 2022
Jul 6, 2022
Jul 6, 2022
Jul 6, 2022
Jul 6, 2022
Feb 8, 2022
Feb 3, 2022
Letter accompanying subsequently filed items
Search/Exam
Feb 3, 2022
Oct 19, 2021
Sep 9, 2021
Decision to grant a European patent
Search/Exam
Jul 27, 2021
(Electronic) Receipt
Search/Exam
Jul 27, 2021
Filing of the translations of the claims
Search/Exam
Jul 27, 2021
French translation of claims
Search/Exam
Jul 27, 2021
German translation of the claims
Search/Exam
Jul 27, 2021
Letter accompanying subsequently filed items
Search/Exam
Jun 15, 2021
(Electronic) Receipt
Search/Exam
Jun 15, 2021
Letter accompanying subsequently filed items
Search/Exam
Jun 15, 2021
Apr 9, 2021
Apr 9, 2021
Apr 9, 2021
Intention to grant (signatures)
Search/Exam
Apr 9, 2021
Text intended for grant (clean copy)
Search/Exam
Apr 9, 2021
Feb 22, 2021
Jan 20, 2021
Notification of forthcoming publication
Search/Exam
Oct 13, 2020
Feb 20, 2020
(Electronic) Receipt
Search/Exam
Feb 20, 2020
Amended claims with annotations
Search/Exam
Feb 20, 2020
Claims
Search/Exam
Feb 20, 2020
Description
Search/Exam
Feb 20, 2020
Letter accompanying subsequently filed items
Search/Exam
Feb 20, 2020
Oct 18, 2019
Annex to a communication
Search/Exam
Oct 18, 2019
Annex to the communication
Search/Exam
Oct 18, 2019
Communication from the Examining Division
Search/Exam
Oct 7, 2019
Communication to designated inventor
Search/Exam
Oct 7, 2019
Communication to designated inventor
Search/Exam
Oct 7, 2019
Communication to designated inventor
Search/Exam
Oct 7, 2019
Communication to designated inventor
Search/Exam
Oct 7, 2019
Communication to designated inventor
Search/Exam
Oct 4, 2019
Oct 4, 2019
European search report
Search/Exam
Oct 4, 2019
Information on Search Strategy
Search/Exam
Sep 17, 2019
Search started
Search/Exam
Aug 12, 2019
Abstract
Search/Exam
Aug 12, 2019
Aug 12, 2019
Claims
Search/Exam
Aug 12, 2019
Description
Search/Exam
Aug 12, 2019
Designation of inventor
Search/Exam
Aug 12, 2019
Drawings
Search/Exam
Aug 12, 2019
Request for grant of a European patent
Search/Exam