Apple has received a bit of a setback in the US District Court for the Eastern District of Texas, where it has been found guilty of infringing a patent held by OPTi Inc.The court yesterday issued the final judgment in the patent infringement action between OPTi Inc and Apple Inc. This suit centred around a patent on “pre-snoop” technology. This apparently is relates to U.S. patent No. 6,405,291, entitled “Predictive Snooping of Cache Memory for Master-Initiated AccessesApple apparently infringed claims 73, 74 and 88 of U.S. Patent No. 6.405,291 (the “291 patent”); OPTi has been given approval to recover from Apple a reasonable royalty of $19 million in actual damages. The court awarded an additional $2.7 million in pre-judgment interest for a total reward of $21.7 million.Some good news. The court also fou