Wills, Trusts & What Comes Nextby Tyler Thompson
Wills & trusts · December 1, 2025

Who Can Challenge a Will?

By Tyler Thompson

Finding out that a will treats someone differently than expected can raise immediate questions. Was the person pressured? Did they understand what they signed? Was the document properly executed?

Before a court decides those questions, there may be another one: does the person bringing the challenge have the right to bring it?

What does an interested person mean?

Iowa Code section 633.308 allows an interested person to petition to set aside the probate of a will. That phrase does not simply mean anyone interested in what happened to the family.

In Estate of Pearson, 319 N.W.2d 248 (Iowa 1982), a daughter-in-law argued that a larger inheritance for her husband could improve what she received in their divorce. She was neither an heir nor a beneficiary under an earlier will. The Iowa Supreme Court affirmed dismissal because her claimed interest did not give her standing to contest the will.

The case illustrates why a possible indirect financial benefit is not necessarily enough. A lawyer needs to examine the person’s actual interest in the estate and how setting aside the challenged will would affect it.

What else must be shown?

Standing only addresses who can bring the case. The petition must also state grounds for setting aside the will. A claim concerning capacity, undue influence, or execution requires facts supporting that particular legal issue.

Suppose someone says a will is unfair because one child received more. That concern does not identify, by itself, what made the document legally invalid. The investigation needs to move from the result to the circumstances surrounding it.

Why does timing matter?

Iowa’s probate notice statute, section 633.304, includes time limits for an action to set aside a will. Which notice was given and when it was published or mailed can matter. Family discussions do not replace reviewing those dates.

A useful starting packet for counsel includes the challenged will, earlier versions that can be located, probate notices, and the specific facts raising concern. Keep original messages and records rather than rewriting them from memory.

A will contest begins with several separate questions: who can sue, what legal ground supports the challenge, and whether the required procedure is still available.

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Sources

Educational writing only, not legal advice. Laws and outcomes depend on jurisdiction and the facts.