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The patent EP2682397 was granted to Gilead Sciences on Apr 19, 2017. The application was filed on Jul 20, 2001 under application number EP13164300A. 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 |
|---|---|---|---|
| GEORG KALHAMMERSTEPHAN TEIPEL | Jan 19, 2018 | - | ADMISSIBLE |
| AECHTER | Jan 17, 2018 | TER MEER STEINMEISTER & PARTNER | ADMISSIBLE |
| COOKE | Jan 17, 2018 | 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 | EP0654037 |
| DESCRIPTION | EP0821690 |
| DESCRIPTION | US4659825 |
| DESCRIPTION | US4724233 |
| DESCRIPTION | US4808716 |
| DESCRIPTION | US5130427 |
| DESCRIPTION | US5142051 |
| DESCRIPTION | US5202433 |
| DESCRIPTION | US5302585 |
| DESCRIPTION | US5352786 |
| DESCRIPTION | US5386030 |
| DESCRIPTION | US5434298 |
| DESCRIPTION | US5434299 |
| DESCRIPTION | US5476938 |
| DESCRIPTION | US5498752 |
| DESCRIPTION | US5650510 |
| DESCRIPTION | US5663159 |
| DESCRIPTION | US5688778 |
| DESCRIPTION | US5696263 |
| DESCRIPTION | US5733896 |
| DESCRIPTION | US5744600 |
| DESCRIPTION | US5798340 |
| DESCRIPTION | US5977061 |
| DESCRIPTION | USRE35919E |
| OPPOSITION | US5476938 |
| OPPOSITION | US5739314 |
| OPPOSITION | US5977089 |
| OPPOSITION | WO0035460 |
| OPPOSITION | WO9804569 |
| OPPOSITION | WO9904774 |
| OTHER | US5739314 |
| SEARCH | US5977089 |
| SEARCH | WO0035460 |
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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Non-patent literature filed by a third party
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Mar 31, 2016
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Jul 9, 2015
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Non-patent literature filed by a third party
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Observations by third parties
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Jun 30, 2015
Patent document filed by a Third party
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Jul 3, 2014
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Amended description with annotations
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Letter accompanying subsequently filed items
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Refund of fees
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European search opinion
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European search report
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Dec 11, 2013
Notification of forthcoming publication
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Search started
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Drawings
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Refund of fees
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Letter which had not been notified
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Jun 11, 2013
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Abstract
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Annex
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Description
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Designation of inventor
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Designation of inventor
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Designation of inventor
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Designation of inventor
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Designation of inventor
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Apr 18, 2013
Request for grant of a European patent
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Feb 5, 2002