legal principle
judicial principle
judicial doctrine

"We've taken established legal principle and extended it to a new technology."

I take the view that it is also the legal principle.

"Traditional legal principles no longer seem to apply," he said.

"They just completely did not understand the basic legal principles," she said.

So it is not time to abandon our legal principles.

It would have given too much away on the legal principle.

They are more likely to be found as legal principles in modern European countries.

A lot of legal principles are based on decisions from unusual cases.

But in our system, legal principles apply equally to all Americans.

But talking about the legal principle seems to me to be truly absurd.