The Patent Box Calculator

The Patent Box relief is given in the company’s corporation tax computation using the following formula:

RP × ((MR – IPR) ÷ MR)

RP is the profits of a company’s trade relevant to the Patent Box
MR is the (main) rate of Corporation Tax
IPR is the reduced rate of 10 per cent
Impact is an EFFECTIVE rate of 10% on Patent profit stream

Bit complicated isn’t it? Thankfully we do all the hard work for you!

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