    Sentence 4: The Infiiedn case-began in, August: 2000.,, when:  Ramibus*a¢cused Infineon of patent: infringement: afd Infineon,  ‘counter-sued Rarabus for breach of contract and fraud...    Sentence 2: At that time’, fanbus ‘accused Jifineon at pant  ‘infringement ‘and lnfineon ‘countefsued: Rambus for breach: of  contract and fraud ; 7 7