To amend the Animal Welfare Act to ensure that all dogs and cats used by research facilities are obtained legally.

Pet Safety and Protection Act of 2011 - Amends the Animal Welfare Act to list permissible sources of dogs and cats used by research facilities to include dogs and cats obtained: (1) from a licensed dealer, (2) from a publicly owned and operated pound or shelter that meets specified requirements, (3) by donation from a person who bred and raised the dog or cat or owned it for not less than one...