The patent in question is US patent no 5,781,752 entitled "Table Based Data Speculation Circuit for Parallel Processing Computer". The Wisconsin Alumni Research Foundation (WARF), the university's patent holding entity, holds the patent. WARF sued Apple, alleging that its A7 processor infringed the patent. The A7 is used in the iPhone 5s, the iPad Air as well as the iPad Mini 2 and 3.
The jury found that Apple infringed the patent and rejected its arguments as to patent invalidity.
Godfrey & Kahn and Irell & Manella represented WARF, while Cetra Law firm and WilmerHale represented Apple.
