The clinic would be the logical source of any sepsis from an operation.

Asked and answered - ONE post is sufficient.

"... the gifter promotes a accident..." This smacks of insurance fraud.

Moving to Animal law. This sounds absurd - our vet cut 4 pills for us last week.

Moving to landlord/tenant so your rather opaque post may get a better answer.

Report the attack to the police and animal control, get treated immediately at the ER, and document all your expenses.

Is it a purchase or a lease? The two are quite different.

You will need a vet willing to testify that the treating physician failed to meet the accepted standard of care. After you spend all the time and...

Hire a sitter, document the costs, and include it in your statement of damages.

This belongs under landlord/tenant - moving so you get qualified answers.