11-15 OnJanuary 2, 2011, David Corporation purchased a patent for $500,000. Theremaining legal life is 12 years
11-15 Patent amortization; patent defense
On January 2, 2011, David Corporation purchased a patent for $500,000. The remaining legal life is 12 years, but the company estimated that the patent will be useful only for eight years. In January 2013, the company incurred legal fees of $45,000 in successfully defending a patent infringement suit. The successful defense did not change the company's estimate of useful life
Prepare journal entries related to the patent for 2011, 2012, and 2013.