Wyo. Stat. § 4-10-517

(a) Notwithstanding any law to the contrary, a creditor or assignee of a settlor of a qualified spendthrift trust, or an agent of a creditor or settlor, has only those rights with respect to the qualified trust property as are provided in W.S. 4-10-514 through 4-10-523 and no creditor, assignee or agent may have any claim or cause of action against the trustee, trust protector, trust advisor or other fiduciary of the trust, or against any person involved in the counseling, drafting, administration, preparation, execution or funding of the trust unless the creditor, assignee or agent can prove by clear and convincing evidence that the transfer of property to the trust was a fraudulent transfer pursuant to the provisions of the Uniform Fraudulent Transfers Act. In the absence of clear and convincing proof, the property transferred is not subject to the claims of the creditor, assignee or agent. Proof by one (1) creditor, assignee or agent that a transfer of property to a qualified spendthrift trust was fraudulent or wrongful does not constitute proof as to any other creditor, assignee or agent and proof of a fraudulent or wrongful transfer of property as to one

(1) creditor, assignee or agent shall not invalidate any other qualified transfer of property.

(b) A creditor or assignee of a settlor of a trust or a beneficiary of a qualified spendthrift trust shall have no right to raise a claim for forced heirship or legitime. No creditor, assignee or agent shall have any claim or cause of action for forced heirship or legitime against the trustee, trust protector, trust advisor or other fiduciary of the qualified spendthrift trust or against any person involved in the counseling, drafting, administration, preparation, execution or funding of the trust. Any property transferred to the qualified

spendthrift trust is not subject to the claims of a creditor, assignee or agent for forced heirship or legitime.