Also verify that anything you're signing when you leave matches what you signed when you were hired. I recently left a company where, when I was hired, I had agreed in "Appendix C" not to recruit any of their employees away from them for a period of 12 months after separation. When I actually separated after more than two years, the "Appendix C" they wanted me to sign and presented as the one I had agreed to at hire…
Easiest way to do this is to not sign anything unless it involves extra pay. I’ve politely refused HR’s request to re-sign bunch of documents before when leaving - I didn’t feel like digging through them or paying a lawyer and they had zero leverage
I didn't have any issue with the agreement I had already made. I just wasn't willing to change it as I was voluntarily leaving and they weren't offering me anything to change the terms.
I'm not even 100% sure I would have noticed it except that my new employer required disclosure of any restrictions I had, so I disclosed the 12-month non-recruit from the previous company. It was fresh to mind.
The two companies are in the same general industry, but do not compete with each other.