Daclatasvir
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- Patent Information
- Oppositions
Patent Information
Information of patent applications filed at local or international levels, that are contributed by the users of PODB as being relevant to this medicine
Please note that PODB does not provide and guarantee the comprehensive patent landscape in all countries.
*For more knowledge of patent search, please refer to the tutorial Step 2: Patent Search & Analysis
*For more information of the patent landscape on medicines, please also refer to WHO patent landscape reports, UNITAID patent landscape reports, Medicines Patent Pool Patent Status Database
Patent Applications
The table includes information of patent applications as filed in different countries, that are contributed by PODB users as being seen as relevant to this medicine.
| Country | Filing date | Priority date | Applicant | National number | International number | Status | Patent type | More info |
|---|---|---|---|---|---|---|---|---|
| India | 02-02-2009 | Bristol-Myers Squibb Company | 753/DELNP/2009 | WO/2008/021928 | Granted | Salts and Others | View/Comment | |
| India | 12-08-2010 | Bristol-Myers Squibb Company | 5723/DELNP/2010 | WO/2009/102568 | Granted | Molecules | View/Comment | |
| India | 24-10-2011 | Bristol-Myers Squibb Company | 7750/CHENP/2011 | WO/2010/120621 | Withdrawn | Molecules | View/Comment | |
| India | 05-02-2009 | Bristol-Myers Squibb Company | 853/DELNP/2009 | WO/2008/021927 | Rejected | Molecules | View/Comment | |
| India | 05-02-2010 | Bristol-Myers Squibb Company | 806/DELNP/2010 | WO/2009/020828 | Rejected | Salts and Others | View/Comment | |
| India | 08-02-2010 | Bristol-Myers Squibb Company | 854/DELNP/2010 | WO/2009/020825 | Rejected | Processes | View/Comment | |
| India | 04-05-2012 | Bristol-Myers Squibb Holdings Ireland | 3999/CHENP/2012 | WO/2011/059850 | Rejected | Processes | View/Comment | |
| Brazil | 09-08-2007 | Bristol-Myers Squibb Holdings Ireland | PI0716483-1 | WO2008021927 | Under Examination | Molecules | View/Comment |
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Oppositions
Information related to relevant oppositions from around the world.
Patent Oppositions
The table includes oppositions aimed at contesting patents covering this drug. Note that at the country level, several patent applications can cover the same drug.
Please pay attention not only to the patent opposition, but also to the patent application it relates to, see column "Related Patent Application". To better identify similarities, the column "Patent Type" indicates a general classification of the patent. Arguments used to contest a specific type of patent may apply for another that fits in the same category.
| Country | Date | Who Filed | Opposition type | Opposition status | Patent type | Related patent application | More info |
|---|---|---|---|---|---|---|---|
| India | 18-04-2015 | Hepatitis Coalition, Nagaland (HepCon), Sankalp Rehabilitation Trust (Sankalp Trust), Mumbai and Asia Pacific Network of Positive People (APN+), all of whom are represented by the Lawyers Collective | Pre-Grant | Granted | Molecules | 853/DELNP/2009 | View/Comment |
| India | 19-11-2015 | Dr. G.Subrahmanyam | Pre-Grant | Granted | Processes | 854/DELNP/2010 | View/Comment |
| India | 20-05-2014 | Indian Pharmaceutical Alliance | Pre-Grant | Granted | Combination | 3372/CHENP/2012 | View/Comment |
| India | 11-02-2017 | Initiative for Medicines, Access & Knowledge (I-Mak) and Delhi Network of Positive People (DNP+) | Pre-Grant | Granted | Processes | 3999/CHENP/2012 (PCT/US2010/055045) | View/Comment |
| India | 10-02-2017 | Initiative for Medicines, Access & Knowledge (I-Mak) and Delhi Network of Positive People (DNP+) | Pre-Grant | Granted | Polymorphs | 806/DELNP/2010 (PCT/US2008/071734) | View/Comment |
| India | 16-05-2015 | Dalbir Singh | Pre-Grant | Granted | Molecules | 853/DELNP/2009 | View/Comment |
| India | 10-07-2015 | Sridhar Prasangi | Pre-Grant | Granted | Molecules | 853/DELNP/2009 | View/Comment |
| India | 30-10-2015 | Natco Pharma Ltd. | Pre-Grant | Granted | Molecules | 853/DELNP/2009 | View/Comment |
| India | 05-11-2015 | Natco Pharma Ltd. | Pre-Grant | Granted | Salts and Others | 806/DELNP/2010 | View/Comment |
| India | 16-05-2015 | Dalbir Singh | Pre-Grant | Granted | Salts and Others | 806/DELNP/2010 | View/Comment |
| India | 06-05-2016 | Dalbir Singh | Pre-Grant | Granted | Processes | 854/DELNP/2010 | View/Comment |
| Brazil | 25-11-2016 | GTPI - Grupo de Trabalho sobre Propriedade Intelectual | Pre-Grant | Under Examination | Molecules | PI0716483-1 - WO2008021927 | View/Comment |
| Brazil | 09-04-2019 | GTPI - Grupo de Trabalho sobre Propriedade Intelectual | Post-Grant | Granted | Markush | PI0716483-1 | View/Comment |
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