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The patent EP3166531 was granted to Align Technology on Jan 11, 2023. The application was filed on Jul 1, 2015 under application number EP15742393A. 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.
| Company | Opposition Date | Representative | Opposition Status |
|---|---|---|---|
| SHAPE | Jan 15, 2021 | GUARDIAN CONSULTING IS | WITHDRAWN |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | WO0008415 |
| EXAMINATION | EP1607041 |
| INTERNATIONAL-SEARCH-REPORT | EP2213223 |
| INTERNATIONAL-SEARCH-REPORT | US2011235045 |
| INTERNATIONAL-SEARCH-REPORT | US2013201488 |
| INTERNATIONAL-SEARCH-REPORT | US5659420 |
| INTERNATIONAL-SEARCH-REPORT | WO0008415 |
| INTERNATIONAL-SEARCH-REPORT | WO2014091865 |
| OPPOSITION | US2005283065 |
| OPPOSITION | US2006029523 |
| OPPOSITION | US2010099984 |
| OPPOSITION | US2011229840 |
| OPPOSITION | US2012092461 |
| OPPOSITION | US6248988 |
| OPPOSITION | US8477320 |
| OPPOSITION | WO2008129073 |
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
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Means of redress
OPPO
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Authorisation
OPPO
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May 6, 2020
Mar 26, 2020
Decision to grant a European patent
Search/Exam
Mar 17, 2020
(Electronic) Receipt
Search/Exam
Mar 17, 2020
Filing of the translations of the claims
Search/Exam
Mar 17, 2020
French translation of claims
Search/Exam
Mar 17, 2020
German translation of the claims
Search/Exam
Dec 17, 2019
Dec 17, 2019
Dec 17, 2019
Intention to grant (signatures)
Search/Exam
Dec 17, 2019
Text intended for grant (clean copy)
Search/Exam
Dec 17, 2019
Nov 25, 2019
(Electronic) Receipt
Search/Exam
Nov 25, 2019
Amended claims with annotations
Search/Exam
Nov 25, 2019
Amended description with annotations
Search/Exam
Nov 25, 2019
Claims
Search/Exam
Nov 25, 2019
Description
Search/Exam
Nov 25, 2019
Letter accompanying subsequently filed items
Search/Exam
Nov 25, 2019
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Aug 8, 2019
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Intention to grant (signatures)
Search/Exam
Aug 8, 2019
Text intended for grant (clean copy)
Search/Exam
Aug 8, 2019
Jul 5, 2019
Examination started
Search/Exam
Apr 16, 2019
Dec 15, 2017
Dec 7, 2017
Jun 27, 2017
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Amended claims with annotations
Search/Exam
Jun 27, 2017
Amendments received before examination
Search/Exam
Apr 20, 2017
Feb 14, 2017
Feb 10, 2017
Communication to designated inventor
Search/Exam
Feb 10, 2017
Communication to designated inventor
Search/Exam
Feb 10, 2017
Communication to designated inventor
Search/Exam
Jan 23, 2017
Jan 11, 2017
(Electronic) Receipt
Search/Exam
Jan 11, 2017
Jan 11, 2017
Jan 11, 2017
Request for entry into the European phase
Search/Exam
Nov 18, 2016
Information on entry into European phase
Search/Exam
Feb 1, 2016
Jan 14, 2016
Copy of the international search report
Search/Exam
Jan 14, 2016
Published international application - A1
Search/Exam
Jan 4, 2016
ISR: cited documents
PCTISA
Dec 23, 2015
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Aug 11, 2015
Jul 24, 2015
Abstract
PCTISA
Jul 24, 2015
Claims
PCTISA
Jul 24, 2015
Description
PCTISA
Jul 24, 2015
Drawings
PCTISA