Biscuit trademark with flower rejected (6,4)
I believe the answer is:
brandy snap
'biscuit' is the definition.
(I've seen this before)
'trademark with flower rejected' is the wordplay.
'trademark' becomes 'brand' (I've seen this before).
'with' is a charade indicator (letters next to each other).
'flower' becomes 'pansy' (I've seen this before**).
'rejected' shows that the letters should be reversed in order.
'pansy' written backwards gives 'ysnap'.
'brand'+'ysnap'='BRANDY-SNAP'
(Other definitions for brandy snap that I've seen before include "Cookie" , "Crisp confection" , "Cream-filled gingerbread wafer" , "Crisp ginger biscuit" , "Crisp, rolled biscuit" .)