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The patent EP3928751 was granted to AMO on Sep 18, 2024. The application was filed on Jan 10, 2006 under application number EP21174939A. 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 18, 2025 | GRUNECKER PATENT | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | US19560606430 |
| DESCRIPTION | US5459570 |
| DESCRIPTION | US5748352 |
| DESCRIPTION | US5748898 |
| DESCRIPTION | US6053613 |
| DESCRIPTION | US6111645 |
| OPPOSITION | DE10207535 |
| OPPOSITION | DE10334108 |
| OPPOSITION | EP1231496 |
| OPPOSITION | US2004021874 |
| OPPOSITION | US2004199149 |
| OPPOSITION | US2005165387 |
| OPPOSITION | US4538608 |
| OPPOSITION | US4764930 |
| OPPOSITION | US4881808 |
| 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 |
| SEARCH | EP0697611 |
| SEARCH | WO9009141 |
| 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.
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Letter accompanying subsequently filed items
Search/Exam
Sep 4, 2024
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Decision to grant a European patent
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Aug 9, 2024
(Electronic) Receipt
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Aug 9, 2024
Filing of the translations of the claims
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Aug 9, 2024
French translation of claims
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Aug 9, 2024
German translation of the claims
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Aug 9, 2024
Letter accompanying subsequently filed items
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Intention to grant (signatures)
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May 8, 2024
Text intended for grant (clean copy)
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May 8, 2024
Apr 23, 2024
Examination started
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May 9, 2022
(Electronic) Receipt
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May 9, 2022
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Amended claims with annotations
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May 9, 2022
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Amended description with annotations
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May 9, 2022
Amendments received before examination
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May 9, 2022
Letter accompanying subsequently filed items
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Feb 16, 2022
(Electronic) Receipt
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Feb 16, 2022
Letter concerning fees and payments
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Refund of fees
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Dec 2, 2021
Refund of fees
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Dec 1, 2021
Notification of forthcoming publication
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Nov 29, 2021
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European search opinion
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Nov 29, 2021
European search report
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Nov 29, 2021
Information on Search Strategy
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Nov 18, 2021
Search started
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Aug 9, 2021
(Electronic) Receipt
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Aug 9, 2021
Claims
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Aug 9, 2021
Letter accompanying subsequently filed items
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Aug 9, 2021
Matter concerning the application
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Jun 1, 2021
Invitation to file claims
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May 20, 2021
Abstract
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May 20, 2021
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Description
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May 20, 2021
Designation of inventor
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May 20, 2021
Drawings
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May 20, 2021
Request for grant of a European patent
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Jul 31, 2006
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