Joint Ownership by JV and a partner (but beware your Siamese twin!)
Ownership by JV and license to partner(s)
Ownership by partner(s) and license to the JV and⁄or the other partners
JOINT OWNERSHIP
Joined in enforcing against third parties – cannot be waived.
Under certain IP laws, duty to account – can be waived in the U.S.
Some countries require consent of all joint owners to license.
Joined in prosecuting and maintaining (i.e. determining scope of protection of IP).
For trade secrets, joint obligation to protect confidentiality.
Create IP “Best Practices” in the JV policies & procedures re: confidentiality, IP clearances, enforcement, defense of claims, registration, maintenance, etc.