Inside the Client's Taxable Estate:
Any assets directly owned by the client
Any assets owned by a revocable trust where the client is the trust creator (grantor)
Assets owned by entities where the ultimate owner is the member / spouse.
Any assets that are jointly owned by the client. In this case, the portion owned by the client is included in their taxable estate.
Outside the Client's Taxable Estate:
Generally speaking, any Irrevocable Trusts where the client is the trust creator will be considered outside the taxable estate.