SRL for [several suits , reportedly including a recent action by the heirs of singer Bobby Darin against McDonald 's Corp. over its `` Mac Tonight '' TV commercials , a rough parody of Mr. Darin 's `` Mack the Knife '' trademark]: Last year 's appeals court decision , for instance , spawned [several suits , reportedly including a recent action by the heirs of singer Bobby Darin against McDonald 's Corp. over its `` Mac Tonight '' TV commercials , a rough parody of Mr. Darin 's `` Mack the Knife '' trademark] .
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