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The patent EP2772226 was granted to AMO on Jul 19, 2023. The application was filed on Mar 13, 2008 under application number EP14166814A. 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 | Apr 19, 2024 | GRUNECKER PATENT | ADMISSIBLE |
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 |
| EXAMINATION | US2006247659 |
| SEARCH | WO2006074469 |
| 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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Dec 17, 2025
Dec 11, 2025
(Electronic) Receipt
Appeal
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(Electronic) Receipt
Appeal
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(Electronic) Receipt
Appeal
Oct 10, 2025
Notice of appeal
Appeal
Oct 10, 2025
Notice of appeal
Appeal
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OPPO
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Aug 1, 2023
Jun 22, 2023
Decision to grant a European patent
Search/Exam
Jun 9, 2023
(Electronic) Receipt
Search/Exam
Jun 9, 2023
Filing of the translations of the claims
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Jun 9, 2023
French translation of claims
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Jun 9, 2023
German translation of the claims
Search/Exam
Jun 9, 2023
Letter accompanying subsequently filed items
Search/Exam
May 11, 2023
May 5, 2023
(Electronic) Receipt
Search/Exam
May 5, 2023
Letter accompanying subsequently filed items
Search/Exam
May 5, 2023
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Intention to grant (signatures)
Search/Exam
Jan 31, 2023
Text intended for grant (clean copy)
Search/Exam
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Letter accompanying subsequently filed items
Search/Exam
Jan 12, 2023
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(Electronic) Receipt
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Dec 21, 2022
Amended claims with annotations
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Dec 21, 2022
Amended claims with annotations
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Dec 21, 2022
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Dec 21, 2022
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Dec 21, 2022
Claims
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Claims
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Dec 21, 2022
Claims
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Dec 21, 2022
Claims
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Dec 21, 2022
Letter accompanying subsequently filed items
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Dec 21, 2022
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(Electronic) Receipt
Search/Exam
Mar 28, 2022
Letter accompanying subsequently filed items
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Mar 28, 2022
Oral proceedings: Request for postponement
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Feb 28, 2022
Annex to a communication
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Feb 28, 2022
Annex to the communication
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Feb 28, 2022
Summons to attend oral proceedings
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Jun 24, 2021
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(Electronic) Receipt
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Jun 22, 2021
Letter accompanying subsequently filed items
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Jun 22, 2021
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Search/Exam
Jun 21, 2021
Letter accompanying subsequently filed items
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Jun 21, 2021
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Annex to the communication
Search/Exam
Feb 10, 2021
Communication from the Examining Division
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Mar 24, 2020
(Electronic) Receipt
Search/Exam
Mar 24, 2020
Amended claims with annotations
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Mar 24, 2020
Claims
Search/Exam
Mar 24, 2020
Letter accompanying subsequently filed items
Search/Exam
Mar 24, 2020
Nov 26, 2019
Annex to the communication
Search/Exam
Nov 26, 2019
Communication from the Examining Division
Search/Exam
May 9, 2019
(Electronic) Receipt
Search/Exam
May 9, 2019
Amended claims with annotations
Search/Exam
May 9, 2019
Claims
Search/Exam
May 9, 2019
Letter accompanying subsequently filed items
Search/Exam
May 9, 2019
Jan 21, 2019
Annex to the communication
Search/Exam
Jan 21, 2019
Communication from the Examining Division
Search/Exam
Aug 13, 2018
(Electronic) Receipt
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Aug 13, 2018
Amended claims with annotations
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Aug 13, 2018
Amended description with annotations
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Aug 13, 2018
Claims
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Aug 13, 2018
Description
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Aug 13, 2018
Letter accompanying subsequently filed items
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Aug 13, 2018
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Annex to the communication
Search/Exam
Apr 10, 2018
Communication from the Examining Division
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Apr 3, 2018
Examination started
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Feb 26, 2018
Invitation to file an authorisation
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Jan 10, 2018
(Electronic) Receipt
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Jan 10, 2018
Letter accompanying subsequently filed items
Search/Exam
Jan 10, 2018
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Oct 26, 2017
(Electronic) Receipt
Search/Exam
Oct 26, 2017
Letter accompanying subsequently filed items
Search/Exam
Oct 26, 2017
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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
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European search opinion
Search/Exam
Oct 10, 2014
European search report
Search/Exam
Sep 18, 2014
Search started
Search/Exam
Aug 6, 2014
Notification of forthcoming publication
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Aug 4, 2014
Communication to designated inventor
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Aug 4, 2014
Communication to designated inventor
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Aug 4, 2014
Communication to designated inventor
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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
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Jun 23, 2014
Deficiency in designation of inventor
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May 1, 2014
Abstract
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May 1, 2014
May 1, 2014
Claims
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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