Rivaroxaban brand name?

What brand name is rivaroxaban sold under?

Rivaroxaban is sold under the brand name Xarelto. [1]

Are there other brand names?

In many markets, Xarelto is the main branded name used for rivaroxaban. [1]

Why does the same drug have a brand name?

The generic drug is rivaroxaban; the brand name (Xarelto) is the marketed product name used by the manufacturer. [1]

Sources:
[1] https://www.drugwatch.com/xarelto/