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The patent EP1633766 was granted to Gilead Pharmasset on Mar 6, 2019. The application was filed on Apr 21, 2004 under application number EP04775900A. The patent is currently recorded with a legal status of "Revoked".

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 |
|---|---|---|---|
| GILLARD | Dec 5, 2019 | ELKINGTON AND FIFE | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | EP19930917054 |
| DESCRIPTION | DE19914474 |
| DESCRIPTION | DE3512781 |
| DESCRIPTION | EP0180276 |
| DESCRIPTION | EP0350287 |
| DESCRIPTION | JPH08268890 |
| DESCRIPTION | JPH10101591 |
| DESCRIPTION | US3798209 |
| DESCRIPTION | US4957924 |
| DESCRIPTION | US5026687 |
| DESCRIPTION | US5149794 |
| DESCRIPTION | US5157027 |
| DESCRIPTION | US5194654 |
| DESCRIPTION | US5223263 |
| DESCRIPTION | US5256641 |
| DESCRIPTION | US5372808 |
| DESCRIPTION | US5411947 |
| DESCRIPTION | US5463092 |
| DESCRIPTION | US5496546 |
| DESCRIPTION | US5538865 |
| DESCRIPTION | US5543389 |
| DESCRIPTION | US5543390 |
| DESCRIPTION | US5543391 |
| DESCRIPTION | US5554728 |
| DESCRIPTION | US5610054 |
| DESCRIPTION | US5633358 |
| DESCRIPTION | US5633388 |
| DESCRIPTION | US5676942 |
| DESCRIPTION | US5711944 |
| DESCRIPTION | US5725859 |
| DESCRIPTION | US5738845 |
| DESCRIPTION | US5738846 |
| DESCRIPTION | US5747646 |
| DESCRIPTION | US5792834 |
| DESCRIPTION | US5830455 |
| DESCRIPTION | US5830905 |
| DESCRIPTION | US5834594 |
| DESCRIPTION | US5837257 |
| DESCRIPTION | US5846964 |
| DESCRIPTION | US5849696 |
| DESCRIPTION | US5869253 |
| DESCRIPTION | US5891874 |
| DESCRIPTION | US5908621 |
| DESCRIPTION | US5922757 |
| DESCRIPTION | US5928636 |
| DESCRIPTION | US5942223 |
| DESCRIPTION | US5980884 |
| DESCRIPTION | US5990276 |
| DESCRIPTION | US6004933 |
| DESCRIPTION | US6034134 |
| DESCRIPTION | US6043077 |
| DESCRIPTION | US6056961 |
| DESCRIPTION | US6348587 |
| DESCRIPTION | US6410531 |
| DESCRIPTION | US6420380 |
| DESCRIPTION | US6534523 |
| DESCRIPTION | USRE29835E |
| DESCRIPTION | WO0009531 |
| DESCRIPTION | WO0024355 |
| DESCRIPTION | WO0037110 |
| DESCRIPTION | WO0132153 |
| DESCRIPTION | WO0160315 |
| DESCRIPTION | WO0179246 |
| DESCRIPTION | WO0181359 |
| DESCRIPTION | WO0190121 |
| DESCRIPTION | WO0192282 |
| DESCRIPTION | WO0196353 |
| DESCRIPTION | WO02057287 |
| DESCRIPTION | WO02057425 |
| DESCRIPTION | WO02060926 |
| DESCRIPTION | WO0208187 |
| DESCRIPTION | WO0208198 |
| DESCRIPTION | WO0208251 |
| DESCRIPTION | WO0208256 |
| DESCRIPTION | WO0218404 |
| DESCRIPTION | WO0232414 |
| DESCRIPTION | WO0232920 |
| DESCRIPTION | WO0248116 |
| DESCRIPTION | WO0248157 |
| DESCRIPTION | WO0248165 |
| DESCRIPTION | WO0248172 |
| DESCRIPTION | WO03024461 |
| DESCRIPTION | WO03105770 |
| DESCRIPTION | WO2004002422 |
| DESCRIPTION | WO2004002999 |
| DESCRIPTION | WO2004007512 |
| DESCRIPTION | WO2004009020 |
| DESCRIPTION | WO8902733 |
| DESCRIPTION | WO9000555 |
| DESCRIPTION | WO9116920 |
| DESCRIPTION | WO9118914 |
| DESCRIPTION | WO9119721 |
| DESCRIPTION | WO9300910 |
| DESCRIPTION | WO9426273 |
| DESCRIPTION | WO9513090 |
| DESCRIPTION | WO9615132 |
| DESCRIPTION | WO9712033 |
| DESCRIPTION | WO9736554 |
| DESCRIPTION | WO9817679 |
| DESCRIPTION | WO9822496 |
| DESCRIPTION | WO9907734 |
| DESCRIPTION | WO9915194 |
| DESCRIPTION | WO9932139 |
| DESCRIPTION | WO9932140 |
| DESCRIPTION | WO9943691 |
| DESCRIPTION | WO9959621 |
| DESCRIPTION | WO9964016 |
| EXAMINATION | WO0190121 |
| EXAMINATION | WO2004002999 |
| INTERNATIONAL-SEARCH-REPORT | US2003060400 |
| OTHER | WO2004002999 |
| OTHER | WO2005003147 |
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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Feb 9, 2018
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May 24, 2011
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May 24, 2011
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Jan 11, 2011
Apr 26, 2006
Refund of fees
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Letter concerning fees and payments
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Matter concerning the application
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Dec 29, 2005
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Request for entry into the European phase
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Dec 21, 2005
Notification of the recording of a change
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Nov 18, 2005
Information on entry into European phase
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Notification of the recording of a change
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Mar 3, 2005
Copy of the international search report
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Mar 3, 2005
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Published international application - A2
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Nov 22, 2004
Sep 6, 2004
Abstract
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Sep 6, 2004
Claims
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Sep 6, 2004
Description
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Apr 21, 2004
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