Foreign Priority and PCT Information for Patent: 6,723,734
| Foriegn Application Priority Data |
| Foreign Country |
Foreign Patent Number |
Foreign Patent Date |
| South Korea | 97-9840 | Mar 21, 1997 |
Non-Orange Book Patents for Patent: 6,723,734
For Orange Book-listed
patents (shown in the main table above) generic applications
must certify that the listed patents are expired, invalid, or
will not be infringed by generic entry.
The non-Orange Book patents listed
below do not require formal certifications, so they do not
automatically impede generic entry. Instead, they represent
potential opportunities for branded firms to block generic
entry through patent infringment challenges.
| Patent No. |
Title |
Estimated Patent Expiration |
| 7,700,617 | Salt of naphthyridine carboxylic acid derivative | ► Subscribe |
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The estimated expiration dates shown above are derived by simply adding 20 years to the priority date.
Because of the complexity of determining patent expiration dates it is advisable to have patent counsel verify freedom to operate.
International Patent Family for Patent: 6,723,734
The estimated expiration dates shown above are derived by simply adding 20 years to the priority date.
Due to the complexity of determining patent expirations even in a single country, compounded by the diversity of global patent laws,
it is advisable to have patent counsel verify freedom to operate.
