Possible Clues:

• Officer doubly correct to provide protection
• Legal protection
• Patent stupidity finally admitted by policeman and Tory
• Policeman back on duty, yes? It's an act
• Protection for writer provided by detective, maybe just joining Yard
• Bashful around papa over proper form of protection
• PC at first, young conservative goes into ownership
• Parrot, just intellectual property
• Unreproducible chit Porgy composed
• C