Estate & probate · Mullowney's Law

Estate Litigation FAQs

Plain-language answers to common questions that arise when an Ontario estate becomes contested.

Estate Litigation FAQs — legal insight
LEGALInsight
AnalysisEvidenceStrategy
Quick answer

Estate litigation can involve the validity or interpretation of a will, executor or trustee conduct, dependant support, accounting, estate property and other disputes. The right first step depends on the documents, the role of each person and whether urgent action is required to preserve assets or evidence.

On this page+

What is estate litigation?

Estate litigation is the court and dispute-resolution work that arises when people disagree about a deceased person’s estate, a will, the conduct of an estate trustee or another related obligation. It is different from routine estate administration because the rights or conduct of the parties are contested.

A dispute may concern whether a will is valid, what a provision means, whether an executor is acting properly, whether an accounting is adequate, whether a dependant was sufficiently provided for, or how estate property should be dealt with.

Who can become involved in an estate dispute?

Depending on the issue, parties can include beneficiaries, estate trustees, executors, administrators, dependants, attorneys acting under powers of attorney, trustees and people asserting an interest in estate property.

The person’s legal role matters because it affects duties, available remedies and the evidence that may be relevant. A beneficiary’s concern about disclosure, for example, is different from an executor defending a challenge to administration.

What documents matter first?

Start with the will and any earlier wills that may be relevant, court certificates, powers of attorney, trust documents, financial statements, account records, correspondence, medical or capacity evidence where properly obtainable, and a chronology of significant events.

Do not assume every document will ultimately be admissible or decisive. The point of early collection is to preserve the record so counsel can identify which facts require proof.

Does every estate dispute go to trial?

No. Estate disputes may be resolved through direct negotiation, mediation, procedural agreements or court decisions short of trial. The appropriate route depends on the legal issue, the evidence, the parties’ positions and whether the estate requires urgent protection.

Settlement can be especially valuable where litigation cost will be paid from assets the parties are fighting about, but a settlement should reflect the legal and evidentiary risk rather than pressure alone.

What should an executor do when a dispute appears?

An estate trustee should avoid treating a dispute as a personal conflict. Preserve records, obtain advice about fiduciary obligations, document decisions and be cautious about distributions that could prejudice unresolved claims.

The appropriate response depends on the nature of the challenge. Some issues require disclosure or accounting; others may require directions from the court or a defended proceeding.

When should a beneficiary seek advice?

Seek advice when there is a material concern about the will, information is being withheld, assets appear to be at risk, an executor may have a conflict, or a legal deadline could apply. Early advice can help distinguish a genuine legal issue from a communication problem.

Estate matters can have specialized limitation and procedural rules. Do not rely on a general internet timeline for a particular claim.

What makes estate litigation different from ordinary civil disputes?

The documentary record often spans years and the central witness—the deceased person—cannot explain their intentions. Courts may therefore be asked to evaluate testamentary documents, surrounding circumstances, fiduciary conduct, financial records and evidence from people whose interests now conflict.

Estate assets can also be the fund from which administration continues while the dispute is unresolved. That makes proportionality, preservation and interim decision-making especially important.

What should happen in the first week after a serious estate dispute appears?

Preserve the will and related documents, secure financial and estate records, identify the estate trustee and beneficiaries, note any pending distribution or asset sale, and avoid destroying messages or notes that may later be relevant. If court materials or a formal objection have been received, record the service date.

Then obtain legal advice about urgency. Some disputes can wait for orderly disclosure; others may require immediate steps to preserve property or prevent an irreversible distribution.

Questions about estate & probate.

Can a will be challenged in Ontario?+

Yes, a will can be challenged on recognized legal grounds. Whether a challenge is viable depends on the facts, the evidence and the applicable law.

Can an executor be removed?+

A court can make orders concerning estate trustees in appropriate circumstances. Removal is a serious remedy and depends on the evidence and the administration of the estate.

What is a passing of accounts?+

A passing of accounts is a court process used to review and approve an estate trustee’s or other fiduciary’s accounts.

Can estate litigation settle through mediation?+

Yes. Mediation can be useful where the parties have enough information to assess risk and there is room for a negotiated resolution.

Who pays the legal costs of an estate dispute?+

Costs are fact-specific and can be ordered in different ways. Parties should not assume the estate will automatically pay everyone’s legal fees.

What law governs Ontario estate disputes?+

Different issues can engage the Succession Law Reform Act, Estates Act, Trustee Act, Rules of Civil Procedure and common law, among other sources.

LM
Written by

J.L. Lee Mullowney

Founder of Mullowney's Law Professional Corporation in Ottawa. The firm's current focus includes estate litigation, probate-related disputes and contract disputes.

About Lee Mullowney →
This publication provides general legal information only and does not create a lawyer-client relationship. Legal rights and deadlines depend on the specific facts and applicable law. Obtain advice about your own circumstances.
Focused legal attention

Bring the matter into focus.

A confidential consultation can help identify the material facts, the immediate decisions and the legal options that deserve attention.

Request a consultation