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The patent EP3774310 was granted to Alcon on Jul 6, 2022. The application was filed on Mar 27, 2019 under application number EP19721786A. The patent is currently recorded with a legal status of "Opposition Rejected".

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 |
|---|---|---|---|
| COOPERVISION | Apr 4, 2023 | BECK GREENER | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | EP0632329 |
| DESCRIPTION | US2012026457 |
| DESCRIPTION | US2012088843 |
| DESCRIPTION | US2012088844 |
| DESCRIPTION | US2012244088 |
| DESCRIPTION | US2012245249 |
| DESCRIPTION | US2017166673 |
| DESCRIPTION | US4136250 |
| DESCRIPTION | US4153641 |
| DESCRIPTION | US4182822 |
| DESCRIPTION | US4189546 |
| DESCRIPTION | US4254248 |
| DESCRIPTION | US4259467 |
| DESCRIPTION | US4260725 |
| DESCRIPTION | US4261875 |
| DESCRIPTION | US4276402 |
| DESCRIPTION | US4327203 |
| DESCRIPTION | US4341889 |
| DESCRIPTION | US4343927 |
| DESCRIPTION | US4355147 |
| DESCRIPTION | US4444711 |
| DESCRIPTION | US4460534 |
| DESCRIPTION | US4486577 |
| DESCRIPTION | US4543398 |
| DESCRIPTION | US4605712 |
| DESCRIPTION | US4661575 |
| DESCRIPTION | US4684538 |
| DESCRIPTION | US4703097 |
| DESCRIPTION | US4833218 |
| DESCRIPTION | US4837289 |
| DESCRIPTION | US4954586 |
| DESCRIPTION | US4954587 |
| DESCRIPTION | US5010141 |
| DESCRIPTION | US5034461 |
| DESCRIPTION | US5039761 |
| DESCRIPTION | US5070170 |
| DESCRIPTION | US5070215 |
| DESCRIPTION | US5079319 |
| DESCRIPTION | US5346946 |
| DESCRIPTION | US5358995 |
| DESCRIPTION | US5387632 |
| DESCRIPTION | US5416132 |
| DESCRIPTION | US5449729 |
| DESCRIPTION | US5451617 |
| DESCRIPTION | US5486579 |
| DESCRIPTION | US5760100 |
| DESCRIPTION | US5843346 |
| DESCRIPTION | US5894002 |
| DESCRIPTION | US5962548 |
| DESCRIPTION | US5981675 |
| DESCRIPTION | US6039913 |
| DESCRIPTION | US6166236 |
| DESCRIPTION | US6762264 |
| DESCRIPTION | US6867245 |
| DESCRIPTION | US7214809 |
| DESCRIPTION | US7423074 |
| DESCRIPTION | US7605190 |
| DESCRIPTION | US7915323 |
| DESCRIPTION | US8415405 |
| DESCRIPTION | US8420711 |
| DESCRIPTION | US8475529 |
| DESCRIPTION | US8529057 |
| DESCRIPTION | US8614261 |
| DESCRIPTION | US8658748 |
| DESCRIPTION | US8993651 |
| DESCRIPTION | US9097840 |
| DESCRIPTION | US9103965 |
| DESCRIPTION | US9217813 |
| DESCRIPTION | US9475827 |
| INTERNATIONAL-SEARCH-REPORT | US2003052424 |
| INTERNATIONAL-SEARCH-REPORT | US2007145616 |
| INTERNATIONAL-SEARCH-REPORT | US2013317132 |
| INTERNATIONAL-SEARCH-REPORT | US2014171544 |
| INTERNATIONAL-SEARCH-REPORT | US2016054475 |
| OPPOSITION | EP2610282 |
| OPPOSITION | US2003052424 |
| OPPOSITION | US2007145616 |
| OPPOSITION | US2013317132 |
| OPPOSITION | US2014171544 |
| OPPOSITION | US2016054475 |
| OPPOSITION | US4716234 |
| OPPOSITION | WO2004081105 |
| OPPOSITION | WO2008061992 |
| OPPOSITION | WO2011041523 |
| OPPOSITION | WO2017103790 |
| OPPOSITION | WO2018224976 |
| OPPOSITION | WO2019162881 |
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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Jul 19, 2022
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Decision to grant a European patent
Search/Exam
May 24, 2022
(Electronic) Receipt
Search/Exam
May 24, 2022
Filing of the translations of the claims
Search/Exam
May 24, 2022
French translation of claims
Search/Exam
May 24, 2022
German translation of the claims
Search/Exam
May 24, 2022
Letter accompanying subsequently filed items
Search/Exam
Feb 11, 2022
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Intention to grant (signatures)
Search/Exam
Feb 11, 2022
Text intended for grant (clean copy)
Search/Exam
Feb 11, 2022
Oct 4, 2021
(Electronic) Receipt
Search/Exam
Oct 4, 2021
Amended description with annotations
Search/Exam
Oct 4, 2021
Description
Search/Exam
Oct 4, 2021
Letter accompanying subsequently filed items
Search/Exam
Oct 4, 2021
Jul 28, 2021
Annex to the communication
Search/Exam
Jul 28, 2021
Communication from the Examining Division
Search/Exam
Jul 20, 2021
Examination started
Search/Exam
Feb 25, 2021
(Electronic) Receipt
Search/Exam
Feb 25, 2021
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Amended claims with annotations
Search/Exam
Feb 25, 2021
Amended claims with annotations
Search/Exam
Feb 25, 2021
Amendments received before examination
Search/Exam
Feb 25, 2021
Letter accompanying subsequently filed items
Search/Exam
Jan 20, 2021
Nov 4, 2020
Nov 2, 2020
Communication to designated inventor
Search/Exam
Nov 2, 2020
Communication to designated inventor
Search/Exam
Nov 2, 2020
Communication to designated inventor
Search/Exam
Nov 2, 2020
Communication to designated inventor
Search/Exam
Nov 2, 2020
Communication to designated inventor
Search/Exam
Nov 2, 2020
Communication to designated inventor
Search/Exam
Oct 13, 2020
(Electronic) Receipt
Search/Exam
Oct 13, 2020
Request for entry into the European phase
Search/Exam
Oct 12, 2020
Aug 7, 2020
Information on entry into European phase
Search/Exam
Oct 22, 2019
Oct 3, 2019
Copy of the international search report
Search/Exam
Oct 3, 2019
Published international application - A1
Search/Exam
Jun 28, 2019
ISR: cited documents
PCTISA
Jun 28, 2019
Jun 28, 2019
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May 17, 2019
May 3, 2019
Abstract
PCTISA
May 3, 2019
Annex
PCTISA
May 3, 2019
Annex
PCTISA
May 3, 2019
Claims
PCTISA
May 3, 2019
Description
PCTISA
May 3, 2019
Drawings
PCTISA
May 3, 2019