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The patent EP2772234 was granted to AMO on May 26, 2021. The application was filed on Mar 13, 2008 under application number EP14166815A. 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 | Feb 28, 2022 | GRUNECKER PATENT | ADMISSIBLE |
| ALCON | Jan 5, 2022 | BREUER FRIEDRICH HAHNER PATENTANWALTE PARTG MBB | WITHDRAWN |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 |
| OPPOSITION | DE10339520 |
| OPPOSITION | RU2165248 |
| OPPOSITION | US2004199150 |
| OPPOSITION | US2006195076 |
| OPPOSITION | US2007282313 |
| OPPOSITION | US4848340 |
| OPPOSITION | US5491524 |
| OPPOSITION | US5549632 |
| OPPOSITION | US5984916 |
| OPPOSITION | US6099522 |
| OPPOSITION | US6325792 |
| OPPOSITION | US6454761 |
| OPPOSITION | US6726679 |
| OPPOSITION | WO0183155 |
| OPPOSITION | WO2004026198 |
| OPPOSITION | WO2006102971 |
| OPPOSITION | WO2008112292 |
| OPPOSITION | WO9316631 |
| OPPOSITION | WO9409849 |
| SEARCH | DE102005027355 |
| SEARCH | WO2009059251 |
| SEARCH | WO9308877 |
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 5, 2025
Aug 5, 2025
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May 16, 2025
(Electronic) Receipt
Appeal
May 16, 2025
Annex
Appeal
May 16, 2025
Annex
Appeal
May 16, 2025
Annex
Appeal
May 16, 2025
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(Electronic) Receipt
Appeal
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(Electronic) Receipt
Appeal
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Claims
Appeal
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(Electronic) Receipt
Appeal
Nov 8, 2024
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Reply to appeal
Appeal
Nov 7, 2024
(Electronic) Receipt
Appeal
Nov 7, 2024
Nov 7, 2024
Reply to appeal
Appeal
Jul 8, 2024
Jun 24, 2024
(Electronic) Receipt
Appeal
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(Electronic) Receipt
Appeal
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Claims
Appeal
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Claims
Appeal
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Claims
Appeal
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Claims
Appeal
Jun 24, 2024
Claims
Appeal
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Claims
Appeal
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Claims
Appeal
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Claims
Appeal
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(Electronic) Receipt
Appeal
Apr 22, 2024
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Notice of appeal
Appeal
Apr 19, 2024
(Electronic) Receipt
Appeal
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Notice of appeal
Appeal
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Means of redress
OPPO
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Authorisation
OPPO
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Authorisation
OPPO
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Jun 9, 2021
Apr 30, 2021
Decision to grant a European patent
Search/Exam
Apr 13, 2021
(Electronic) Receipt
Search/Exam
Apr 13, 2021
Filing of the translations of the claims
Search/Exam
Apr 13, 2021
French translation of claims
Search/Exam
Apr 13, 2021
German translation of the claims
Search/Exam
Apr 13, 2021
Letter accompanying subsequently filed items
Search/Exam
Feb 25, 2021
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Intention to grant (signatures)
Search/Exam
Feb 25, 2021
Text intended for grant (clean copy)
Search/Exam
Feb 25, 2021
Nov 27, 2020
(Electronic) Receipt
Search/Exam
Nov 27, 2020
Amended claims with annotations
Search/Exam
Nov 27, 2020
Claims
Search/Exam
Nov 27, 2020
Letter accompanying subsequently filed items
Search/Exam
Nov 27, 2020
Oct 19, 2020
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Oct 19, 2020
Intention to grant (signatures)
Search/Exam
Oct 19, 2020
Text intended for grant (clean copy)
Search/Exam
Oct 19, 2020
Jul 27, 2020
(Electronic) Receipt
Search/Exam
Jul 27, 2020
Amended claims with annotations
Search/Exam
Jul 27, 2020
Claims
Search/Exam
Jul 27, 2020
Letter accompanying subsequently filed items
Search/Exam
Jul 27, 2020
May 20, 2020
May 7, 2020
Annexes in respect of a client data request
Search/Exam
May 7, 2020
Annexes in respect of a client data request
Search/Exam
May 7, 2020
Annexes in respect of a client data request
Search/Exam
May 7, 2020
Letter concerning fees and payments
Search/Exam
May 7, 2020
Mar 26, 2020
Mar 26, 2020
Mar 26, 2020
Intention to grant (signatures)
Search/Exam
Mar 26, 2020
Text intended for grant (clean copy)
Search/Exam
Mar 26, 2020
Jul 1, 2019
(Electronic) Receipt
Search/Exam
Jul 1, 2019
Amended claims with annotations
Search/Exam
Jul 1, 2019
Claims
Search/Exam
Jul 1, 2019
Letter accompanying subsequently filed items
Search/Exam
Jul 1, 2019
Feb 21, 2019
Annex to the communication
Search/Exam
Feb 21, 2019
Communication from the Examining Division
Search/Exam
Aug 29, 2018
(Electronic) Receipt
Search/Exam
Aug 29, 2018
Amended claims with annotations
Search/Exam
Aug 29, 2018
Claims
Search/Exam
Aug 29, 2018
Letter accompanying subsequently filed items
Search/Exam
Aug 29, 2018
May 3, 2018
Annex to the communication
Search/Exam
May 3, 2018
Communication from the Examining Division
Search/Exam
Apr 25, 2018
Examination started
Search/Exam
Jan 16, 2018
Nov 14, 2017
Nov 14, 2017
Oct 26, 2017
(Electronic) Receipt
Search/Exam
Oct 26, 2017
Letter accompanying subsequently filed items
Search/Exam
Oct 26, 2017
Apr 28, 2016
Apr 25, 2016
Apr 18, 2016
Apr 14, 2016
Apr 6, 2016
May 11, 2015
(Electronic) Receipt
Search/Exam
May 11, 2015
May 11, 2015
Amended claims with annotations
Search/Exam
May 11, 2015
Amendments received before examination
Search/Exam
May 11, 2015
Letter accompanying subsequently filed items
Search/Exam
Nov 17, 2014
Oct 22, 2014
Refund of fees
Search/Exam
Oct 10, 2014
Oct 10, 2014
European search opinion
Search/Exam
Oct 10, 2014
European search report
Search/Exam
Aug 6, 2014
Notification of forthcoming publication
Search/Exam
Aug 4, 2014
Communication to designated inventor
Search/Exam
Aug 4, 2014
Communication to designated inventor
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Aug 4, 2014
Communication to designated inventor
Search/Exam
Aug 4, 2014
Communication to designated inventor
Search/Exam
Jul 17, 2014
(Electronic) Receipt
Search/Exam
Jul 17, 2014
Designation of inventor
Search/Exam
Jul 17, 2014
Letter accompanying subsequently filed items
Search/Exam
Jul 17, 2014
Letter concerning the inventor
Search/Exam
Jun 23, 2014
Deficiency in designation of inventor
Search/Exam
May 1, 2014
Abstract
Search/Exam
May 1, 2014
May 1, 2014
Claims
Search/Exam
May 1, 2014
Description
Search/Exam
May 1, 2014
Drawings
Search/Exam
May 1, 2014
Request for grant of a European patent
Search/Exam
May 1, 2014
Submission concerning representation
Search/Exam
Oct 16, 2008