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- Active
- Active - Reinstated
- Expired - Life Time
- Expired - Fee Related
- Expired *
- Withdrawn - After Issue
- Ceased
- Revoked
- Suspension/Interruption
- In-force (Designated States only)
- Not-in-force (Designated States only)
*The generic "Expired" indicator is used for all patents published before 1990, regardless of whether an expiration date has been calculated for them and regardless of prior legal status events such as fee-related expirations or withdrawals, revocations, etc.
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