On: I am Peter Roberts, an immigration lawyer who does...

[dragonwriter]

> In California, an employer specifically does not own your side work assuming you don't use any of their physical assets, protected know-how or paid-for time.

Of course, with the exception of explicitly-taken leave, its at least intuitively unclear how one defines any time as not "paid for time" of a salaried employee. (There may be case law that clarifies this, however.)

[angelbob → dragonwriter]

In practice, you're generally fine if you're not in the office. This may be a harder distinction for remote employees, though.

But in general, "salaried" has not been construed to mean "the company owns every minute outside the office."