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The patent EP1623269 was granted to Coopervision on Aug 31, 2022. The application was filed on Mar 29, 2004 under application number EP04760220A. 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 |
|---|---|---|---|
| NOVARTIS | Feb 9, 2018 | BREUER | ADMISSIBLE |
| HOFFMANN EITLE | Feb 9, 2018 | - | WITHDRAWN |
| JOHNSON & JOHNSON VISION CARE | Feb 9, 2018 | CARPMAELS & RANSFORD | WITHDRAWN |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | EP0493320 |
| DESCRIPTION | US3220960 |
| DESCRIPTION | US4208364 |
| DESCRIPTION | US4347198 |
| DESCRIPTION | US4495313 |
| DESCRIPTION | US4565348 |
| DESCRIPTION | US4680336 |
| DESCRIPTION | US4889664 |
| DESCRIPTION | US5039459 |
| DESCRIPTION | USRE27401E |
| DESCRIPTION | WO0002937 |
| EXAMINATION | US5684058 |
| EXAMINATION | US6361797 |
| EXAMINATION | WO0002937 |
| INTERNATIONAL-SEARCH-REPORT | US6331578 |
| OPPOSITION | EP0420403 |
| OPPOSITION | EP1238293 |
| OPPOSITION | US2001044482 |
| OPPOSITION | US2003130144 |
| OPPOSITION | US2009182067 |
| OPPOSITION | US4123408 |
| OPPOSITION | US6190651 |
| OPPOSITION | US6367929 |
| OPPOSITION | US6531432 |
| OPPOSITION | WO0002937 |
| OPPOSITION | WO0170837 |
| OPPOSITION | WO02071106 |
| OPPOSITION | WO0245759 |
| OPPOSITION | WO03077792 |
| OPPOSITION | WO2004022114 |
| OPPOSITION | WO2014004107 |
| OPPOSITION | WO9500616 |
| OPPOSITION | WO9830248 |
| OPPOSITION | WO9832421 |
| OPPOSITION | WO9855155 |
| OPPOSITION | WO9926087 |
| SEARCH | US5159360 |
| SEARCH | US6309723 |
| SEARCH | WO03066714 |
| SEARCH | WO03077792 |
| SEARCH | WO9855155 |
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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Aug 4, 2022
Aug 4, 2022
Jul 29, 2022
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Description
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Refund of fees
Appeal
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Advice of delivery
Appeal
Mar 14, 2022
(Electronic) Receipt
Appeal
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Appeal
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Appeal
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Appeal
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Refund of fees
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Reply to appeal
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Decision to grant a European patent
Search/Exam
Mar 29, 2017
(Electronic) Receipt
Search/Exam
Mar 29, 2017
French translation of claims
Search/Exam
Mar 29, 2017
German translation of the claims
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Mar 29, 2017
Letter accompanying subsequently filed items
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Feb 14, 2017
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Intention to grant (signatures)
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Feb 14, 2017
Text intended for grant (clean copy)
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Feb 14, 2017
Jun 13, 2012
(Electronic) Receipt
Search/Exam
Jun 13, 2012
Amended claims with annotations
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Jun 13, 2012
Amended description with annotations
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Jun 13, 2012
Claims
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Jun 13, 2012
Description
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Jun 13, 2012
Letter accompanying subsequently filed items
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Jun 13, 2012
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Apr 16, 2012
(Electronic) Receipt
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Apr 16, 2012
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Annex to the communication
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Dec 16, 2011
Communication from the Examining Division
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Dec 9, 2008
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(Electronic) Receipt
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Nov 14, 2008
Annexes in respect of a client data request
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Nov 14, 2008
Letter accompanying subsequently filed items
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Nov 14, 2008
Oct 27, 2006
Maintenance of the application
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Aug 22, 2006
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Supplementary European search report
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Matter concerning the application
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Nov 22, 2005
Request for entry into the European phase
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Sep 16, 2005
Information on entry into European phase
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Dec 1, 2004
Nov 11, 2004
Copy of the international search report
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Nov 11, 2004
Published international application - A1
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