2. The evaluation is unnecessary and can be negotiated by both parties. In fact, both sides ask for evaluation in order to have a bottom, one is to see if there is any loss in their hands, and the other is to see if the purchase is worthwhile.
3. The acquisition of the other party's intellectual property rights is not only a matter of signing a contract, but also a matter of pre-negotiation skills and strategies. It is recommended to consult a professional organization to find a suitable solution.
If you are not sure, please call me (personal information has a phone number) or write to me privately.