United States Patents Quarterly - usurpation of a patent
- United States Patents Quarterly
- United States Reports
- United States Trademark Association
- unity
- unity of invention
- unity of possession
- unity of the invention
- unity of title
- universal
- Universal Copyright Convention
- Universal Decimal classification
- universal patent
- universe
- universe of discourse
- unjust
- unjust act
- unjustified patent
- unlawful
- unlawful use
- unlicensed
