The patent EP3578292 was granted to Align Technology on May 21, 2025. The application was originally filed on Sep 18, 2012 under application number EP19169199A. The patent is currently recorded with a legal status of "Patent Maintained As Amended".

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.
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| OPPOSITION | DE4207169 |
| OPPOSITION | EP0392951 |
| OPPOSITION | EP1362667 |
| OPPOSITION | EP2053984 |
| OPPOSITION | EP2095789 |
| OPPOSITION | EP2101674 |
| OPPOSITION | US4638145 |
| OPPOSITION | US5061839 |
| OPPOSITION | US5741247 |
| OPPOSITION | US6002706 |
| OPPOSITION | US6462301 |
| OPPOSITION | WO2006096558 |
| OPPOSITION | WO2007071341 |
| OPPOSITION | WO2009016645 |
| SEARCH | US4638145 |
| SEARCH | WO2006096558 |
Get a free citation report including examiner, opposition, and international search citations.
Get Citation ReportThe 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 25, 2025
Apr 25, 2025
Apr 17, 2025
Apr 17, 2025
Apr 17, 2025
Apr 17, 2025
Apr 17, 2025
Jan 20, 2025
Jan 20, 2025
Jan 20, 2025
Jan 15, 2025
Jan 15, 2025
Refund of fees
Search/Exam
Jan 10, 2025
Jan 10, 2025
Dec 20, 2024
(Electronic) Receipt
Appeal
Dec 20, 2024
Dec 20, 2024
Withdrawal of an appeal
Appeal
Dec 6, 2024
Dec 6, 2024
Dec 2, 2024
(Electronic) Receipt
Appeal
Dec 2, 2024
Dec 2, 2024
Notice of appeal
Appeal
Oct 1, 2024
Oct 1, 2024
Oct 1, 2024
Oct 1, 2024
Oct 1, 2024
Oct 1, 2024
Oct 1, 2024
Oct 1, 2024
Oct 1, 2024
Means of redress
OPPO
Oct 1, 2024
Oct 1, 2024
Oct 1, 2024
Oct 1, 2024
Oct 1, 2024
Sep 4, 2024
Jul 15, 2024
Jul 10, 2024
Jul 10, 2024
Jul 10, 2024
Jul 10, 2024
Jul 4, 2024
Jul 4, 2024
Jul 4, 2024
Jul 4, 2024
Jul 4, 2024
Jul 4, 2024
Jul 4, 2024
Jul 4, 2024
Jul 4, 2024
Jul 4, 2024
Jul 4, 2024
Jul 4, 2024
Jul 4, 2024
Jul 4, 2024
Jul 4, 2024
Jul 4, 2024
Jul 4, 2024
Jul 4, 2024
Jul 4, 2024
Jul 4, 2024
Jul 4, 2024
Jul 4, 2024
Jul 4, 2024
Jul 4, 2024
Jul 4, 2024
Jul 4, 2024
Jul 4, 2024
Jul 4, 2024
Jul 4, 2024
Jul 4, 2024
Jul 4, 2024
Jul 4, 2024
Jul 4, 2024
Jul 4, 2024
Jul 4, 2024
Jul 4, 2024
Jul 4, 2024
Jul 4, 2024
Jul 4, 2024
Jul 4, 2024
Jul 4, 2024
Jul 4, 2024
Jul 4, 2024
Jul 4, 2024
Jul 4, 2024
Jul 4, 2024
Jul 4, 2024
Jul 4, 2024
Jul 4, 2024
Jul 4, 2024
Mar 15, 2024
Mar 15, 2024
Mar 15, 2024
Mar 15, 2024
Mar 15, 2024
Mar 15, 2024
Jan 26, 2022
Jan 18, 2022
Jan 18, 2022
Jan 18, 2022
Jan 18, 2022
Jan 18, 2022
Jan 18, 2022
Jan 18, 2022
Jan 18, 2022
Jan 18, 2022
Jan 18, 2022
Jan 18, 2022
Jan 18, 2022
Jan 18, 2022
Jan 18, 2022
Jan 18, 2022
Jan 17, 2022
Jan 17, 2022
Jan 17, 2022
Jan 12, 2022
Jan 12, 2022
Jan 12, 2022
Sep 8, 2021
Sep 8, 2021
Sep 1, 2021
Aug 25, 2021
Aug 25, 2021
Aug 25, 2021
Aug 25, 2021
Aug 24, 2021
Aug 24, 2021
Aug 24, 2021
Aug 24, 2021
Aug 24, 2021
Aug 24, 2021
Aug 24, 2021
Aug 24, 2021
Aug 24, 2021
Aug 24, 2021
Aug 24, 2021
Aug 24, 2021
Aug 24, 2021
Aug 24, 2021
Aug 24, 2021
Aug 24, 2021
Aug 24, 2021
Aug 24, 2021
Jun 21, 2021
Jun 16, 2021
Letter accompanying subsequently filed items
Search/Exam
Jun 16, 2021
Jun 10, 2021
Annexes in respect of a client data request
Search/Exam
Jun 10, 2021
Letter accompanying subsequently filed items
Search/Exam
Jun 10, 2021
Dec 7, 2020
Oct 29, 2020
Decision to grant a European patent
Search/Exam
Oct 16, 2020
(Electronic) Receipt
Search/Exam
Oct 16, 2020
French translation of claims
Search/Exam
Oct 16, 2020
German translation of the claims
Search/Exam
Oct 16, 2020
Letter accompanying subsequently filed items
Search/Exam
Jul 14, 2020
Jul 14, 2020
Jul 14, 2020
Intention to grant (signatures)
Search/Exam
Jul 14, 2020
Text intended for grant (clean copy)
Search/Exam
Jul 14, 2020
Jun 5, 2020
Examination started
Search/Exam
Mar 10, 2020
(Electronic) Receipt
Search/Exam
Mar 10, 2020
Mar 10, 2020
Amended claims with annotations
Search/Exam
Mar 10, 2020
Mar 10, 2020
Amended description with annotations
Search/Exam
Mar 10, 2020
Amendments received before examination
Search/Exam
Mar 10, 2020
Letter accompanying subsequently filed items
Search/Exam
Dec 16, 2019
Nov 20, 2019
Refund of fees
Search/Exam
Nov 13, 2019
Notification of forthcoming publication
Search/Exam
Nov 7, 2019
Nov 7, 2019
European search opinion
Search/Exam
Nov 7, 2019
European search report
Search/Exam
Nov 7, 2019
Information on Search Strategy
Search/Exam
Sep 20, 2019
Amendments not yet acceptable
Search/Exam
Sep 10, 2019
(Electronic) Receipt
Search/Exam
Sep 10, 2019
Annex
Search/Exam
Sep 10, 2019
Annex
Search/Exam
Sep 10, 2019
Letter accompanying subsequently filed items
Search/Exam
Sep 10, 2019
Jul 2, 2019
Annex to the communication
Search/Exam
Jul 2, 2019
Jun 27, 2019
Search started
Search/Exam
Jun 24, 2019
(Electronic) Receipt
Search/Exam
Jun 24, 2019
Letter accompanying subsequently filed items
Search/Exam
Jun 7, 2019
Communication to designated inventor
Search/Exam
Apr 15, 2019
Abstract
Search/Exam
Apr 15, 2019
Apr 15, 2019
Annex
Search/Exam
Apr 15, 2019
Claims
Search/Exam
Apr 15, 2019
Description
Search/Exam
Apr 15, 2019
Designation of inventor
Search/Exam
Apr 15, 2019
Drawings
Search/Exam
Apr 15, 2019
Request for grant of a European patent
Search/Exam
Apr 15, 2013