Patently-O: Patent Law Blog: Hybrid engine patents found invalid because patentee "dawdled" in reviving abandoned application

Patently-O: Patent Law Blog: Hybrid engine patents found invalid because patentee "dawdled" in reviving abandoned application: "Hybrid engine patents found invalid because patentee 'dawdled' in reviving abandoned application"
因為專利權人對於復活已被放棄的申請案的“閒置”浪費時間，而使專利被認定為無效！
此案Field Hybrids會輸的原因是，專利律師寫了一封CYA信，警告如果沒有對OA進行答辯的話，該專利申請案可能會被放棄。然而問題在於，將此種信件放於檔案夾中是正確的嗎？即使它最後會傷害到客戶？