- Trademark
- A word, name, symbol, logo, slogan, or combination thereof that identifies the source of goods or services and distinguishes them from those of others.
- Registered Trademark (®)
- A trademark that has been formally registered with the relevant national or regional trademark office, granting statutory exclusive rights in the jurisdiction of registration.
- Unregistered Trademark (™)
- A mark used in commerce to signal a claim of trademark rights, even without formal registration — common-law rights may apply depending on jurisdiction.
- Service Mark (℠)
- A mark used to identify and distinguish the source of a service rather than a physical product.
- Trademark License
- A contractual permission granted by the trademark owner allowing a third party to use the mark under specified conditions, territories, and time periods.
- Trademark Assignment
- A transfer of ownership of a trademark from one party to another, typically accompanied by the goodwill associated with the mark.
- Trademark Infringement
- Unauthorized use of a mark that is identical or confusingly similar to a registered trademark in connection with goods or services, causing likelihood of consumer confusion.
- Dilution
- The weakening of a famous trademark's distinctiveness or reputation through unauthorized use, even without direct competition or consumer confusion.
- Goodwill
- The commercial reputation and customer recognition associated with a trademark, which accumulates through consistent and quality-controlled use of the mark.
- Quality Control
- In trademark licensing, the licensor's obligation to monitor and maintain the quality of goods or services sold under its mark by licensees — failing to do so can void the license and invalidate the trademark.
- Trademark Watch Service
- A monitoring service that alerts a trademark owner when an identical or similar mark is applied for or registered by a third party in a target jurisdiction.