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The patent EP3042646 was granted to Alcon Research on May 10, 2017. The application was filed on Mar 13, 2009 under application number EP15202422A. The patent is currently recorded with a legal status of "Revoked".

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 |
|---|---|---|---|
| ACTREVO | Feb 12, 2018 | BRAEUNING SCHUBERT PATENTANWALTE GBR | WITHDRAWN |
| GENERICS UK TRADING MYLAN | Feb 9, 2018 | GILL JENNINGS & EVERY | ADMISSIBLE |
| POLPHARMA | Feb 9, 2018 | BIRD & BIRD | ADMISSIBLE |
| BAUSCH & LOMB INCORPORATED | Feb 7, 2018 | MAIWALD | ADMISSIBLE |
| INSTONE | Feb 1, 2018 | APPLEYARD LEES | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | JP2003104870 |
| DESCRIPTION | US2002122831 |
| DESCRIPTION | US3931319 |
| DESCRIPTION | US4027020 |
| DESCRIPTION | US4407791 |
| DESCRIPTION | US4522806 |
| DESCRIPTION | US4525346 |
| DESCRIPTION | US4836986 |
| DESCRIPTION | US5037647 |
| DESCRIPTION | US5221664 |
| DESCRIPTION | US5300287 |
| DESCRIPTION | US5320843 |
| DESCRIPTION | US5741817 |
| DESCRIPTION | US5817277 |
| DESCRIPTION | US6017861 |
| DESCRIPTION | US6034043 |
| DESCRIPTION | US6319464 |
| DESCRIPTION | US6348190 |
| DESCRIPTION | US6482799 |
| DESCRIPTION | US6503497 |
| DESCRIPTION | WO9109523 |
| OPPOSITION | EP1321144 |
| OPPOSITION | EP1666043 |
| OPPOSITION | US2002009507 |
| OPPOSITION | US6011062 |
| OPPOSITION | US6743439 |
| OPPOSITION | WO0003736 |
| OPPOSITION | WO2008042619 |
| OPPOSITION | WO2008052031 |
| OPPOSITION | WO9729752 |
| SEARCH | EP1547599 |
| SEARCH | EP2123278 |
| SEARCH | US2004082660 |
| SEARCH | US6743439 |
| SEARCH | WO0003736 |
| SEARCH | WO9819680 |
| SEARCH | WO9841208 |
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.
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Intention to grant (signatures)
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Enquiry as to the processing of the file
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Letter accompanying subsequently filed items
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Mar 14, 2017
Consultation by telephone/in person
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Mar 14, 2017
Feb 24, 2017
Advice of delivery
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Feb 21, 2017
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Amended claims with annotations
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Amended description with annotations
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Description
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Feb 15, 2017
Description
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Feb 15, 2017
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(Electronic) Receipt
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Jan 16, 2017
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Amended claims with annotations
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Amended claims with annotations
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Jan 16, 2017
Annex
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Jan 16, 2017
Annex
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Jan 16, 2017
Annex
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Jan 16, 2017
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Jan 16, 2017
Claims
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Jan 16, 2017
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Jan 16, 2017
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Jan 16, 2017
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Jan 16, 2017
Claims
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Jan 16, 2017
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Jan 16, 2017
Letter accompanying subsequently filed items
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Jan 16, 2017
Letter dealing with oral proceedings
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Dec 29, 2016
Advice of delivery
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Dec 16, 2016
Acknowledgement of a document
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Dec 16, 2016
Annex to a communication
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Dec 16, 2016
Annex to the communication
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Dec 16, 2016
Summons to attend oral proceedings
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Dec 9, 2016
(Electronic) Receipt
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Dec 9, 2016
Letter accompanying subsequently filed items
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Dec 9, 2016
Dec 2, 2016
Preparation for oral proceedings
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Nov 7, 2016
(Electronic) Receipt
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Nov 7, 2016
Citation for the examination procedure
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Nov 7, 2016
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Citation for the examination procedure
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Citation for the examination procedure
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Citation for the examination procedure
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Nov 7, 2016
Letter accompanying subsequently filed items
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Annex to the communication
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Oct 7, 2016
Communication from the Examining Division
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Sep 26, 2016
Examination started
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Sep 2, 2016
Registration under Rule 23 EPC
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Jul 27, 2016
Refund of fees
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Jul 21, 2016
(Electronic) Receipt
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Jul 21, 2016
(Electronic) Receipt
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Jul 21, 2016
Jul 21, 2016
Amended claims with annotations
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Jul 21, 2016
Amendments received before examination
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Jul 21, 2016
Annex
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Jul 21, 2016
Authorisation
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Jul 21, 2016
Letter accompanying subsequently filed items
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Jul 21, 2016
Letter accompanying subsequently filed items
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Jul 21, 2016
Letter to the Legal Division
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Jul 18, 2016
Jun 15, 2016
Notification of forthcoming publication
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Jun 9, 2016
Jun 9, 2016
European search report
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Jun 9, 2016
Information on Search Strategy
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May 25, 2016
May 24, 2016
Search started
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May 20, 2016
(Electronic) Receipt
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May 20, 2016
May 20, 2016
Letter accompanying subsequently filed items
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Mar 30, 2016
(Electronic) Receipt
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Mar 30, 2016
Letter accompanying subsequently filed items
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Mar 30, 2016
Letter concerning the inventor
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Mar 4, 2016
Deficiencies as to Rule 23 EPC
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Mar 4, 2016
Rule 23 - Annex C
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Mar 3, 2016
Refund of fees
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Feb 16, 2016
(Electronic) Receipt
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Feb 16, 2016
Annex
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Feb 16, 2016
Authorisation
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Feb 16, 2016
Letter accompanying subsequently filed items
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Feb 16, 2016
Letter to the Legal Division
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Feb 15, 2016
Communication to designated inventor
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Communication to designated inventor
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Communication to designated inventor
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Communication to designated inventor
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Feb 15, 2016
Communication to designated inventor
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Feb 15, 2016
Communication to designated inventor
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Communication to designated inventor
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Feb 15, 2016
Communication to designated inventor
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Feb 11, 2016
Deficiency in designation of inventor
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Feb 11, 2016
Notice on debiting of fees
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Feb 4, 2016
(Electronic) Receipt
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Feb 4, 2016
Letter accompanying subsequently filed items
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Feb 4, 2016
Matter concerning the application
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Feb 4, 2016
Feb 4, 2016
Dec 23, 2015
Abstract
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Dec 23, 2015
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Claims
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Dec 23, 2015
Description
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Dec 23, 2015
Designation of inventor
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Dec 23, 2015
Drawings
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Dec 23, 2015
Request for grant of a European patent
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Oct 15, 2009
Oct 15, 2009