This document discusses UK tax credits for research and development (R&D) costs and the patent box regime. It summarizes that the UK provides enhanced tax deductions for qualifying R&D costs, including 225% for SMEs and 130% for large companies. It also discusses the patent box regime, which provides a 10% corporate tax rate on profits from commercial exploitation of patents, to encourage innovation. The document provides details on qualifying costs and activities for R&D tax credits, as well as ownership and profit calculation rules for the patent box.