- An unauthorized use or manufacture of a patent-protected invention or improvement. This unauthorized activity makes the infringing party financially responsible to the patent owner for any profits made and any harm incurred
- After the company began selling a similar device, the patent holder accused them of patent infringement.
- She faced a legal battle when she was accused of patent infringement for her new product.
- Accusations of patent infringement can result in costly legal battles and potential financial loss.