proprietary

/pɹəpɹˈa‍ɪ‍ətəɹi/

/pɹəˈpɹaɪəˌtɛɹi/

Proprietary

an unincorporated business owned by a single person who is responsible for its liabilities and entitled to its profits

proprietary

protected by trademark or patent or copyright; made or produced or distributed by one having exclusive rights

Examples

1. None of these things are proprietary.

2. At the dawn of the Internet era through the late 1990s, proprietary software proliferated.

3. Proprietary cards are really interesting.

4. The magazines themselves are proprietary in design.