| Aspect | Selling IP (Assignment) | Licensing IP |
|---|---|---|
| Ownership | Transferred to buyer | Retained by original owner |
| Control | Buyer has full control | Owner controls scope of licence |
| Duration | Permanent | Temporary (as defined by agreement) |
| Payment | Usually a lump sum | Royalties, ongoing fees, or hybrid models |
| Risk/Reward | One-off gain, no future benefit | Potential long-term income but ongoing obligations |