1. past tense of infringe; violated or broke a law, rule, or agreement
2. past tense of infringe; encroached upon or interfered with someone’s rights or freedoms

Examples

• The company infringed on the patent with their new design.
• His loud music infringed upon his neighbors’ right to peace.
• The new law infringed citizens’ freedom of speech.
• She claimed the photographer infringed her privacy rights.
• The treaty was infringed when troops crossed the border.
• The app infringed copyright by using unlicensed music.