It all depends if someone else is claiming a legal right to the phrase. See...

Is it legal to remix music just to show a friend?

The obvious answer is whether or not you can prove that your actions fall within the Fair Use exception of the US Copyright Act of 1976, 17 U.S.C....

As with all business matters the steps you should regarding legal protection depend on the investment you are making and the potential liability...

Do we have a legal malpractice case against our patent attorney if he failed to timely file our patent application?

As a patent attorney I am not going to make a direct comment on this one, but you may want to google the well-known Kairos Scientific vs. Fish &...

What legal steps do I need to take to ensure I am not infringing on intellectual property laws?

As with all business matters the "legal" steps you should take depend on the investment you are making and the potential liability you are exposing...