A patent (or twist) bet is seven bets and it applies to three selections. The seven bets are the three singles on the three selections, the three possible doubles on the three selections and the one treble. This could also be placed as an ‘each-way patent’ which would provide seven each-way bets. That would be seven win bets and seven place bets.
If just one selection wins, then you do get a return for a patent. The value of this very popular wager is when all three wins and the odds really accumulate.
What is a trixie?
A trixie is the same as a patent but without the three single bets. So a trixie is four bets: three doubles and one treble. This could also be placed each-way. In that case it would give you eight separate bets: 3 x doubles & 1 x treble to win and the same again to place.
Obviously the place element of your each-way bets on either a patent or trixie depends on the specific place terms for each betting event.