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The German Shepherd's handler led a campaign for tougher legislation to protect service animals.
Police dogs in Northamptonshire will now wear named collars to mark a new law to protect them.
PC Mike Davey said dog Bacca saved his life on the night they were attacked by a knifeman.
Daniel O'Sullivan attacked police dog Audi in a "plainly premeditated" attack, the judge said.
Five years on from an attack that led to a law change, former police dog Finn is still campaigning.
PD Xavier Charles, also known as Stanley, is described as "one of the very best police dogs".
