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The patent EP2548528 was granted to AMO on Sep 30, 2020. The application was filed on Jan 10, 2006 under application number EP12177880A. The patent is currently recorded with a legal status of "Granted And Under Opposition".

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 |
|---|---|---|---|
| GRUNECKER PATENT UND RECHTSANWALTE PARTG MBB | Jun 30, 2021 | - | ADMISSIBLE |
| ALCON | Apr 14, 2021 | BREUER FRIEDRICH HAHNER PATENTANWALTE PARTG MBB | WITHDRAWN |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | US5459570 |
| DESCRIPTION | US5748352 |
| DESCRIPTION | US5748898 |
| DESCRIPTION | US6053613 |
| DESCRIPTION | US6111645 |
| DESCRIPTION | US6254595 |
| OPPOSITION | DE10207535 |
| OPPOSITION | DE10334108 |
| OPPOSITION | EP1231496 |
| OPPOSITION | US2004021874 |
| OPPOSITION | US2004199149 |
| OPPOSITION | US2005165387 |
| OPPOSITION | US4538608 |
| OPPOSITION | US4764930 |
| OPPOSITION | US5098426 |
| OPPOSITION | US5246435 |
| OPPOSITION | US5439462 |
| OPPOSITION | US5493109 |
| OPPOSITION | US5984916 |
| OPPOSITION | US6004314 |
| OPPOSITION | US6099522 |
| OPPOSITION | US6325792 |
| OPPOSITION | US6454761 |
| OPPOSITION | US6482199 |
| OPPOSITION | US6741359 |
| OPPOSITION | WO0183155 |
| OPPOSITION | WO2004026198 |
| OPPOSITION | WO9316631 |
| OPPOSITION | WO9409849 |
| OPPOSITION | WO9838907 |
| OTHER | WO2006074469 |
| SEARCH | EP0697611 |
| SEARCH | US4538608 |
| SEARCH | US5439462 |
| SEARCH | WO9316631 |
| SEARCH | WO9409849 |
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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Decision to grant a European patent
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Sep 2, 2020
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Aug 25, 2020
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Text intended for grant (clean copy)
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(Electronic) Receipt
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Jul 29, 2020
Letter accompanying subsequently filed items
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Letter accompanying subsequently filed items
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Jul 21, 2020
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Jul 14, 2020
(Electronic) Receipt
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Jul 14, 2020
Amended claims with annotations
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Jul 14, 2020
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Jul 14, 2020
French translation of claims
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Jul 14, 2020
German translation of the claims
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Jul 14, 2020
Letter accompanying subsequently filed items
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Jul 14, 2020
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Letter accompanying subsequently filed items
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Jun 19, 2020
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Annexes in respect of a client data request
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Intention to grant (signatures)
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Mar 13, 2020
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(Electronic) Receipt
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Aug 2, 2018
Amended claims with annotations
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Aug 2, 2018
Letter accompanying subsequently filed items
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Aug 2, 2018
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(Electronic) Receipt
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Jun 13, 2018
Letter accompanying subsequently filed items
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Jun 13, 2018
Feb 6, 2018
Annex to the communication
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Feb 6, 2018
Communication from the Examining Division
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Nov 14, 2017
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Oct 26, 2017
(Electronic) Receipt
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Oct 26, 2017
Letter accompanying subsequently filed items
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Oct 26, 2017
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Jul 19, 2017
Amended claims with annotations
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Jul 19, 2017
Claims
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Jul 19, 2017
Letter accompanying subsequently filed items
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Jul 19, 2017
Mar 31, 2017
Annex to the communication
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Mar 31, 2017
Communication from the Examining Division
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Nov 18, 2016
(Electronic) Receipt
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Nov 18, 2016
Amended claims with annotations
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Nov 18, 2016
Claims
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Nov 18, 2016
Letter accompanying subsequently filed items
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Nov 18, 2016
Aug 25, 2016
Annex to the communication
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Aug 25, 2016
Communication from the Examining Division
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Apr 28, 2016
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Dec 9, 2015
(Electronic) Receipt
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Dec 9, 2015
Amended claims with annotations
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Dec 9, 2015
Claims
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Dec 9, 2015
Letter accompanying subsequently filed items
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Dec 9, 2015
Aug 14, 2015
Annex to the communication
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Aug 14, 2015
Communication from the Examining Division
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Sep 30, 2014
(Electronic) Receipt
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Sep 30, 2014
Amended claims with annotations
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Sep 30, 2014
Claims
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Sep 30, 2014
Letter accompanying subsequently filed items
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Sep 30, 2014
Jul 17, 2014
Jun 3, 2014
Annex to the communication
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Jun 3, 2014
Communication from the Examining Division
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May 26, 2014
Examination started
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May 16, 2014
(Electronic) Receipt
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May 16, 2014
Letter accompanying subsequently filed items
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May 16, 2014
Oct 3, 2013
(Electronic) Receipt
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Oct 3, 2013
Oct 3, 2013
Amended claims with annotations
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Oct 3, 2013
Amendments received before examination
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Oct 3, 2013
Letter accompanying subsequently filed items
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Aug 23, 2013
Jul 15, 2013
(Electronic) Receipt
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Jul 15, 2013
Letter accompanying subsequently filed items
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Jul 15, 2013
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European search opinion
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Mar 4, 2013
European search report
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Jan 4, 2013
Notification of forthcoming publication
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Nov 26, 2012
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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Nov 19, 2012
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Nov 19, 2012
Amended claims with annotations
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Nov 19, 2012
Claims
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Nov 19, 2012
Designation of inventor
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Nov 19, 2012
Letter accompanying subsequently filed items
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Nov 19, 2012
Matter concerning the application
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Sep 7, 2012
Deficiency in designation of inventor
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Sep 7, 2012
Invitation to file claims
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Aug 24, 2012
(Electronic) Receipt
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Aug 24, 2012
Letter accompanying subsequently filed items
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Aug 24, 2012
Letter concerning fees and payments
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Jul 25, 2012
Abstract
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Jul 25, 2012
Jul 25, 2012
Description
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Jul 25, 2012
Drawings
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Jul 25, 2012
Request for grant of a European patent
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Jul 31, 2006
Jul 31, 2006