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The patent EP2599475 was granted to Alcon Research on Apr 26, 2017. The application was filed on Mar 13, 2009 under application number EP12193597A. 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 |
|---|---|---|---|
| ALFRED E TIEFENBACHER | Jan 26, 2018 | HAMM & WITTKOPP | ADMISSIBLE |
| GENERICS UK TRADING MYLAN | Jan 26, 2018 | GILL JENNINGS & EVERY | 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 | US2002009507 |
| OPPOSITION | WO0003736 |
| SEARCH | EP1547599 |
| 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.
Date
Description
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Appeal
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Claims
Appeal
Feb 3, 2020
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Reply to appeal
Appeal
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Sep 17, 2019
(Electronic) Receipt
Appeal
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(Electronic) Receipt
Appeal
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(Electronic) Receipt
Appeal
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Notice of appeal
Appeal
Jul 8, 2019
Processing of an appeal
Appeal
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(Electronic) Receipt
Appeal
Jul 5, 2019
Notice of appeal
Appeal
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Claims
OPPO
Jun 14, 2018
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OPPO
Jun 14, 2018
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OPPO
Jun 14, 2018
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OPPO
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OPPO
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Apr 26, 2017
Mar 30, 2017
Decision to grant a European patent
Search/Exam
Mar 16, 2017
(Electronic) Receipt
Search/Exam
Mar 16, 2017
Filing of the translations of the claims
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Mar 16, 2017
French translation of claims
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Mar 16, 2017
German translation of the claims
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Mar 16, 2017
Letter accompanying subsequently filed items
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Mar 15, 2017
Mar 15, 2017
Mar 15, 2017
Intention to grant (signatures)
Search/Exam
Mar 15, 2017
Text intended for grant (clean copy)
Search/Exam
Mar 15, 2017
Mar 9, 2017
Annex to the communication
Search/Exam
Mar 9, 2017
Consultation by telephone/in person
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Mar 9, 2017
Feb 21, 2017
Feb 16, 2017
Feb 15, 2017
Amended description with annotations
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Feb 15, 2017
Description
Search/Exam
Feb 15, 2017
Letter dealing with oral proceedings
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Feb 10, 2017
Advice of delivery
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Jan 26, 2017
Annex to the communication
Search/Exam
Jan 26, 2017
Consultation by telephone/in person
Search/Exam
Jan 26, 2017
Jan 24, 2017
(Electronic) Receipt
Search/Exam
Jan 24, 2017
Amended claims with annotations
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Jan 24, 2017
Amended claims with annotations
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Jan 24, 2017
Amended claims with annotations
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Jan 24, 2017
Amended claims with annotations
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Jan 24, 2017
Amended claims with annotations
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Jan 24, 2017
Claims
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Jan 24, 2017
Claims
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Jan 24, 2017
Claims
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Claims
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Jan 24, 2017
Claims
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Jan 24, 2017
Letter accompanying subsequently filed items
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Jan 24, 2017
Letter dealing with oral proceedings
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Jan 24, 2017
Letter dealing with oral proceedings
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Jan 24, 2017
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Jan 13, 2017
(Electronic) Receipt
Search/Exam
Jan 13, 2017
Letter accompanying subsequently filed items
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Jan 13, 2017
Letter dealing with oral proceedings
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Dec 29, 2016
Advice of delivery
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Dec 22, 2016
Acknowledgement of a document
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Dec 22, 2016
Annex to a communication
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Dec 22, 2016
Annex to the communication
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Dec 22, 2016
Preparation for oral proceedings
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Dec 22, 2016
Summons to attend oral proceedings
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Nov 7, 2016
(Electronic) Receipt
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Nov 7, 2016
Letter accompanying subsequently filed items
Search/Exam
Nov 7, 2016
Matter concerning the application
Search/Exam
Nov 7, 2016
Aug 25, 2016
(Electronic) Receipt
Search/Exam
Aug 25, 2016
Letter accompanying subsequently filed items
Search/Exam
Aug 25, 2016
Aug 25, 2016
Aug 25, 2016
Aug 25, 2016
Aug 25, 2016
Aug 10, 2016
Annex to the communication
Search/Exam
Aug 10, 2016
Communication from the Examining Division
Search/Exam
May 20, 2016
(Electronic) Receipt
Search/Exam
May 20, 2016
Amended claims with annotations
Search/Exam
May 20, 2016
Claims
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May 20, 2016
Letter accompanying subsequently filed items
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May 20, 2016
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Apr 15, 2016
Annex to the communication
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Apr 15, 2016
Communication from the Examining Division
Search/Exam
Mar 11, 2016
Mar 9, 2016
Feb 19, 2016
Registration under Rule 23 EPC
Search/Exam
Feb 15, 2016
(Electronic) Receipt
Search/Exam
Feb 15, 2016
Annex
Search/Exam
Feb 15, 2016
Authorisation
Search/Exam
Feb 15, 2016
Letter accompanying subsequently filed items
Search/Exam
Feb 15, 2016
Letter to the Legal Division
Search/Exam
Jan 5, 2016
Deficiencies as to Rule 23 EPC
Search/Exam
Jan 5, 2016
Rule 23 - Annex A
Search/Exam
Jan 5, 2016
Rule 23 - Annex B
Search/Exam
Dec 18, 2015
(Electronic) Receipt
Search/Exam
Dec 18, 2015
Annex
Search/Exam
Dec 18, 2015
Letter accompanying subsequently filed items
Search/Exam
Dec 18, 2015
Letter to the Legal Division
Search/Exam
Dec 17, 2015
Dec 9, 2015
Dec 9, 2015
Dec 4, 2015
(Electronic) Receipt
Search/Exam
Dec 4, 2015
Amended claims with annotations
Search/Exam
Dec 4, 2015
Claims
Search/Exam
Dec 4, 2015
Letter accompanying subsequently filed items
Search/Exam
Dec 4, 2015
Dec 4, 2015
Nov 27, 2015
Aug 12, 2014
Claims
Search/Exam
Aug 12, 2014
Aug 8, 2014
Claims
Search/Exam
Aug 8, 2014
May 13, 2014
Submission concerning representation
Search/Exam
Apr 1, 2014
Annex to the communication
Search/Exam
Apr 1, 2014
Communication from the Examining Division
Search/Exam
Mar 26, 2014
Examination started
Search/Exam
Feb 21, 2014
Feb 21, 2014
Amendments received before examination
Search/Exam
Feb 21, 2014
Feb 21, 2014
Payment of fees and costs
Search/Exam
Aug 26, 2013
Aug 12, 2013
Refund of fees
Search/Exam
Jul 24, 2013
Jul 24, 2013
European search opinion
Search/Exam
Jul 24, 2013
European search report
Search/Exam
Jul 11, 2013
Search started
Search/Exam
May 8, 2013
Notification of forthcoming publication
Search/Exam
Jan 14, 2013
Communication to designated inventor
Search/Exam
Jan 14, 2013
Communication to designated inventor
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Jan 14, 2013
Communication to designated inventor
Search/Exam
Jan 14, 2013
Communication to designated inventor
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Jan 14, 2013
Communication to designated inventor
Search/Exam
Jan 14, 2013
Communication to designated inventor
Search/Exam
Jan 14, 2013
Communication to designated inventor
Search/Exam
Jan 14, 2013
Communication to designated inventor
Search/Exam
Dec 20, 2012
Letter concerning the inventor
Search/Exam
Dec 14, 2012
Deficiency in designation of inventor
Search/Exam
Nov 21, 2012
Abstract
Search/Exam
Nov 21, 2012
Nov 21, 2012
Annex
Search/Exam
Nov 21, 2012
Claims
Search/Exam
Nov 21, 2012
Description
Search/Exam
Nov 21, 2012
Designation of inventor
Search/Exam
Nov 21, 2012
Designation of inventor
Search/Exam
Nov 21, 2012
Designation of inventor
Search/Exam
Nov 21, 2012
Designation of inventor
Search/Exam
Nov 21, 2012
Designation of inventor
Search/Exam
Nov 21, 2012
Designation of inventor
Search/Exam
Nov 21, 2012
Designation of inventor
Search/Exam
Nov 21, 2012
Designation of inventor
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Nov 21, 2012
Drawings
Search/Exam
Nov 21, 2012
Request for grant of a European patent
Search/Exam
Oct 15, 2009
Oct 15, 2009