Part 3Trading income
Chapter 5Trade profits: rules allowing deductions
Expenses connected with patents, designs and trade marks
90Expenses connected with designs or trade marks
In calculating the profits of a trade, a deduction is allowed for expenses incurred in obtaining for the purposes of the trade—
a
the registration of a design or trade mark,
b
the extension of a period for which the right in a registered design subsists, or
c
the renewal of registration of a trade mark.