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Essential Steps for Contesting a Will in Probate Court

Justin Lowe & Associates Sept. 4, 2025

JustniWill document with pen, notary stamp and gavel on tableWill contests can be among the most sensitive and challenging matters in probate law. Disputes over a loved one’s final wishes often involve deeply personal concerns, complicated family dynamics, and significant legal hurdles. 

In Oklahoma, the probate process is designed to validate wills and distribute assets according to the deceased’s intentions, but sometimes questions arise about the validity of the will itself.

Whether due to concerns about undue influence, lack of capacity, fraud, or procedural errors, contesting a will requires a careful understanding of state laws and court procedures. At Justin Lowe & Associates, our attorneys apply their knowledge of probate law to guide clients through each step, always aiming to protect their rights and honor the true intentions of the deceased.

Will Contests in Oklahoma

A will contest is a formal legal challenge to the validity of a will filed during the probate process. Under Oklahoma probate law, any interested party—such as an heir, beneficiary, or creditor—may raise objections if they believe the will does not reflect the decedent’s true wishes or fails to comply with legal requirements.

Common grounds for contesting a will include:

  • Lack of testamentary capacity

  • Undue influence or coercion

  • Fraud or forgery

  • Failure to follow statutory formalities

  • Revocation by a later will or other legal act

These challenges must be supported by credible evidence and presented in accordance with court deadlines. In probate law, timing and preparation are critical.

Determining Standing to Contest a Will

Not everyone can challenge a will. In Oklahoma probate law, the person contesting must have legal standing—meaning they have a direct, personal interest in the estate. This usually includes individuals who would inherit under a previous will or through intestate succession if the contested will were invalidated.

Our attorneys begin by evaluating whether a potential challenger meets the legal threshold for standing before moving forward. Without standing, a challenge will be dismissed regardless of its merits.

Filing the Petition

The first formal step in contesting a will under Oklahoma probate law is filing a legal pleading with the court handling the estate. The pleading must outline the legal grounds for the contest and present an initial explanation of the evidence supporting the claim. 

This document sets the tone for the case, and errors at this stage can create unnecessary obstacles. These pleadings are precise, persuasive, and compliant with Oklahoma court rules, giving clients the strongest possible starting position.

Gathering and Preserving Evidence

Successful will contests depend heavily on the quality of the evidence presented. Under Oklahoma probate law, this evidence may include medical records showing diminished mental capacity, witness testimony about coercion or threats, handwriting analysis to detect forgery, or proof of a later will.

Because memories fade and documents can be lost, our attorneys at Justin Lowe & Associates work quickly to collect and preserve evidence before it becomes unavailable. They know that well-organized, credible evidence can significantly increase the likelihood of a favorable outcome.

The Burden of Proof

In Oklahoma probate law, the person contesting the will generally bears the burden of proving its invalidity. This means they must present sufficient evidence to convince the court that the will does not meet the legal requirements for validity.

However, in certain situations—such as when evidence of undue influence is strong—the burden may shift to the will’s proponents to prove that it was executed freely and voluntarily. Our attorneys carefully evaluate each case to determine how best to meet or shift this burden in court.

The Importance of Deadlines

Timing is a crucial element in probate law. Oklahoma has strict deadlines for filing a will contest, typically tied to the date of notice given to interested parties about the probate proceeding. Missing these deadlines can forfeit the right to challenge the will entirely.

We closely monitors these timelines to protect their clients’ rights, understanding that a missed deadline can end the case before it starts.

Preparing for the Hearing or Trial

If a will contest proceeds beyond the initial filings, the court will schedule hearings or even a full trial to hear evidence and arguments. In Oklahoma probate law, these proceedings can involve witness examinations, presentation of expert opinions, and submission of documentary evidence.

At this stage, our attorneys focus on building a persuasive narrative that clearly explains why the will should be invalidated. They prepare witnesses thoroughly, coordinate with specialists such as handwriting analysts or medical professionals, and present their arguments in a way that is both legally sound and factually compelling.

Possible Outcomes of a Will Contest

Contesting a will in Oklahoma can lead to different outcomes depending on the evidence and the court’s findings. If the court determines the will is invalid, it may:

  • Enforce an earlier valid will, if one exists

  • Distribute assets according to Oklahoma’s intestacy laws

  • Recognize a partial invalidity, leaving unaffected provisions in place

If the will is upheld, the probate process continues under its terms. We explain all potential results so our clients understand both the risks and rewards before proceeding.

Strategies for a Strong Case

Contesting a will under Oklahoma probate law involves a methodical approach. Justin Lowe & Associates often follows these essential steps:

  • Assess the client’s legal standing and potential grounds for challenge.

  • File a timely, detailed petition with the probate court.

  • Gather and preserve relevant evidence, including documents and witness statements.

  • Anticipate and counter arguments from the will’s proponents.

  • Present a clear, compelling case at hearings or trial.

This single list outlines the strategic approach they take to give clients the best chance at success while adhering to Oklahoma’s legal requirements.

Alternative Resolutions

While some will contests require full litigation, others can be resolved through settlement. In Oklahoma probate law, settlement agreements may modify the distribution of assets in a way that satisfies all parties, avoiding lengthy court battles.

We help clients weigh the benefits of settlement versus trial, always prioritizing outcomes that protect their rights and reflect the decedent’s true wishes.

The Emotional Side of Will Contests

In probate law, legal disputes often carry emotional weight, especially when they involve family relationships. 

We recognize that our clients are not only dealing with legal issues but also processing grief and, in some cases, feelings of betrayal. Our attorneys approach each case with sensitivity, balancing the legal strategy with an awareness of the human impact.

Protecting Against Future Disputes

One important lesson from will contests is the value of careful estate planning. While we focus on probate law litigation, we also counsel clients on drafting wills and trusts that are less susceptible to challenges. Clear language, proper execution, and documentation of mental capacity can help safeguard against future disputes.

Costs and Risks

Will contests under Oklahoma probate law can be costly, both financially and emotionally. Legal fees, court costs, and expert witness expenses add up quickly. Additionally, some wills contain “no contest” clauses that penalize beneficiaries who challenge the will and lose.

We advise clients on these potential risks before initiating a contest, making sure they understand the possible consequences alongside the potential benefits.

Committed Legal Counsel

Contesting a will in Oklahoma is a serious undertaking that requires a thorough understanding of probate law, strong evidence, and a clear legal strategy. Whether the concern is undue influence, lack of capacity, or procedural error, the process demands careful preparation and timely action.

At Justin Lowe & Associates we guide clients through each step, from determining standing to presenting a compelling case in court. Our dedication to protecting the true intentions of the deceased and securing fair outcomes reflects our deep commitment to justice in probate law.

For those facing questions about the validity of a will, knowing the essential steps and working with experienced legal counsel can make all the difference in achieving a fair and lawful resolution. We serve clients in Oklahoma City, Edmond, Moore, Norman, Guthrie, Mustang, Yukon, and throughout the State of Oklahoma. Call today.