Amortization Entries Kleen Company acquired patent rights on January 10 of Year 1 for $408,000. The patent has a useful life equal to its legal life of eight years. On January 7 of Year 4, Kleen successfully defended the patent in a lawsuit at a cost of $20,500 If required, round your answer to the nearest dollar a. Determine the patent amortization expense for the Year 4 ended December 31. b. Journalize the adjusting entry on December 31 of Year 4 to recognize the amortization