Section 112 of the Patent Act requires:
- Written description
- Enablement
- Best mode
- Want to make sure description actually teaches society something
- Tells us you have in hand what you claim
- Encourages further "downstream innovation"
- So that public can know limit of rights granted by patent, must have notice
- Don't want to allow over-broad/over-reaching claims
- Make sure you've given enough: whether you've provided society with enough value to deserve a reward
