Patent No. EP4273105 (titled "High Strength, Scratch Resistant And Transparent Glass-Based Materials") was filed by Corning Incorporated on Mar 23, 2016. The application was issued on May 1, 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 |
|---|---|---|
| SCHOTT SCHOTT TECHNICAL GLASS SOLUTIONS | Jan 31, 2025 | BLUMBACH ZINNGREBE PATENTANWALTE PARTG 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 10, 2026
Apr 10, 2026
Apr 8, 2026
Apr 8, 2026
Apr 8, 2026
Apr 8, 2026
Apr 8, 2026
Apr 8, 2026
Apr 8, 2026
Apr 8, 2026
Apr 8, 2026
Apr 8, 2026
Apr 8, 2026
Apr 8, 2026
Apr 8, 2026
Apr 8, 2026
Apr 8, 2026
Apr 8, 2026
Apr 8, 2026
Apr 8, 2026
Apr 8, 2026
Apr 8, 2026
Apr 8, 2026
Apr 8, 2026
Apr 8, 2026
Apr 8, 2026
Apr 8, 2026
Apr 8, 2026
Apr 8, 2026
Apr 8, 2026
Apr 8, 2026
Apr 8, 2026
Apr 8, 2026
Apr 8, 2026
Apr 8, 2026
Apr 8, 2026
Apr 8, 2026
Apr 8, 2026
Apr 8, 2026
Apr 8, 2026
Oct 30, 2025
Oct 30, 2025
Oct 30, 2025
Oct 30, 2025
Oct 30, 2025
Sep 30, 2025
Sep 24, 2025
Sep 24, 2025
Sep 24, 2025
Sep 5, 2025
Sep 5, 2025
Sep 4, 2025
Aug 29, 2025
Aug 29, 2025
Aug 29, 2025
Jun 16, 2025
Jun 11, 2025
Jun 11, 2025
Jun 11, 2025
Jun 11, 2025
Jun 11, 2025
Jun 11, 2025
Jun 11, 2025
Jun 11, 2025
Jun 11, 2025
Jun 11, 2025
Jun 11, 2025
Jun 11, 2025
Jun 11, 2025
Jun 11, 2025
Jun 11, 2025
Jun 11, 2025
Jun 11, 2025
Jun 11, 2025
Jun 11, 2025
Jun 11, 2025
Jun 11, 2025
Jun 11, 2025
Jun 11, 2025
Jun 11, 2025
Jun 11, 2025
Jun 11, 2025
Feb 18, 2025
Feb 18, 2025
Feb 5, 2025
Jan 31, 2025
Jan 31, 2025
Jan 31, 2025
Jan 31, 2025
Jan 31, 2025
Jan 31, 2025
Jan 31, 2025
Jan 31, 2025
Jan 31, 2025
Jan 31, 2025
Jan 31, 2025
Jan 31, 2025
Jan 31, 2025
May 15, 2024
Apr 5, 2024
Mar 21, 2024
Mar 21, 2024
Mar 21, 2024
Mar 21, 2024
Mar 21, 2024
Feb 29, 2024
Feb 29, 2024
Feb 29, 2024
Feb 29, 2024
Feb 29, 2024
Feb 29, 2024
Jan 25, 2024
Nov 27, 2023
Nov 27, 2023
Nov 27, 2023
Nov 27, 2023
Nov 27, 2023
Nov 27, 2023
Nov 27, 2023
Nov 13, 2023
Oct 12, 2023
Oct 11, 2023
Oct 9, 2023
Oct 9, 2023
Oct 9, 2023
Oct 9, 2023
Sep 21, 2023
Sep 21, 2023
Sep 21, 2023
Sep 21, 2023
Sep 21, 2023
Sep 21, 2023
Sep 21, 2023
Oct 17, 2016
Oct 17, 2016