California law has a pretty good balance. If it's related to the job, it's the company's. If you use the company's resources (hardware, software, customer list,

California law has a pretty good balance. If it's related to the job, it's the company's. If you use the company's resources (hardware, software, customer list, employees, ideas) it's the company's. Otherwise, if it is on your own time, with your own resources, and unrelated to your job, then it's yours.