1, suspected of infringing copyright or design patent right;
2. Suspected of copyright infringement;
3. Suspected of unfair competition;
4. Suspected of trademark infringement;
5. See whether the electronic product itself is patented, including appearance, software and hardware design, etc. ;
6. Intellectual property is a general term, including copyright, patent right, trademark right, trade secret, etc. Among them, copyright and patent right have a time limit, while trademark right can be extended by renewal. Therefore, you can use the works or patents that have entered the public domain after the expiration of the right protection period.