Is It Too Late to Do Estate Planning After a Dementia Diagnosis?

One of the most common—and most troubling—things we hear from families is this:

“We were told it’s too late to do anything because Mom has been diagnosed with dementia.”

In many cases, that simply is not true.

And unfortunately, that misunderstanding can prevent families from putting important legal and financial protections in place when they are still very much needed.

A Dementia Diagnosis Does Not Automatically Mean Incapacity

There is a widespread belief that once a person is diagnosed with dementia, they are no longer able to sign legal documents such as:

But the reality is more nuanced.

Dementia is a medical diagnosis. It describes a condition that can affect memory, reasoning, and communication. However, it does not automatically determine whether someone can make legal decisions.

In fact, many individuals in the early—and even moderate—stages of dementia are still able to:

The legal standard is not whether someone has a diagnosis.
The question is whether they can understand and make the specific decision at hand.

Capacity Is Not “All or Nothing”

Another common misconception is that capacity is a simple yes-or-no question.

It isn’t.

A person may be able to make some decisions, but not others. They may have good days and more difficult days. They may understand better when things are explained clearly and patiently.

This is why a thoughtful, experienced approach is so important.

An attorney should take the time to:

When that process is handled correctly, many people with a dementia diagnosis are still able to participate meaningfully in their planning.

Even the Legal Profession Has Evolved on This Issue

This is not just our opinion or approach.

The American Bar Association—the organization that sets the model ethical rules for attorneys—recently updated its guidance in this exact area (Rule 1.14).

The updated rule places a much stronger emphasis on:

In other words, the profession is moving toward a more thoughtful, individualized approach—one that recognizes that a diagnosis alone should not determine whether someone can participate in their own planning.

This is the approach we have believed in—and practiced—for many years.

Why This Matters So Much

Waiting too long—or being told it is “too late” when it is not—can have serious consequences.

Without proper planning in place:

By contrast, even limited planning completed at the right time can:

When You Should Consider a Second Opinion

If you or a loved one has been told that no planning can be done solely because of a dementia diagnosis, it may be worth seeking a second opinion.

Not all attorneys approach these situations the same way.

Some take a very conservative view and decline to proceed at the first sign of a diagnosis. Others—particularly those experienced in working with aging clients—take a more individualized approach and carefully evaluate what the client is still able to do.

The difference in approach can make a significant difference in what options are available to your family.

Our Approach at Generations Legal Group

At Generations Legal Group, we work with individuals and families facing these issues every day.

We also stay closely aligned with the latest developments in Elder Law and attorney ethics—including the recent updates to ABA Rule 1.14—because these issues require more than a one-size-fits-all approach.

We understand that:

Our process focuses on meeting the client where they are, taking the time to communicate clearly, and determining what planning can appropriately be done based on their actual level of understanding.

In many cases, families are relieved to learn that there are still meaningful steps that can be taken.

Don’t Assume It’s Too Late

If there is one takeaway, it is this:

Do not assume that a dementia diagnosis means planning is no longer possible.

Every situation deserves a careful, individualized evaluation.

And in many cases, there is still an opportunity to put important protections in place—if you act in time and seek the right guidance.

We’re Here to Help

If you have questions about a loved one’s ability to complete estate planning, we’re happy to talk through your situation and help you understand your options.

Because the goal is not just to plan.

It’s to make sure the right decisions are made, at the right time, in the right way—with an approach that reflects both experience and where the law is headed.

Frequently Asked Questions About Dementia and Estate Planning

Can someone with dementia still sign legal documents?

Yes, in many cases they can. A diagnosis of dementia does not automatically prevent someone from signing legal documents. The key question is whether the person can understand and make the specific decision at the time the documents are signed.

Does a dementia diagnosis mean it is too late to do estate planning?

No. It is a common misconception that a dementia diagnosis means planning is no longer possible. Many individuals, especially in the early or moderate stages, are still able to participate in estate planning with the right guidance.

What is “legal capacity” for estate planning?

Legal capacity refers to a person’s ability to understand the nature and effect of a decision. For estate planning, this means understanding what they own, who the important people in their life are, and how they want their assets handled.

Is capacity all or nothing?

No. Capacity is not an all-or-nothing determination. A person may be able to make some decisions but not others. It can also vary depending on the situation, the complexity of the decision, and how information is explained.

What happens if estate planning is not completed in time?

If proper documents like powers of attorney are not in place, families may need to go through a court process such as guardianship to gain legal authority to act. This can be time-consuming, costly, and restrictive.

Why would one attorney say it’s too late while another says it’s not?

Attorneys differ in their experience and approach. Some take a very conservative position and decline to proceed based on a diagnosis alone. Others—particularly those experienced in Elder Law—take a more individualized approach and evaluate the client’s actual ability to make decisions.

Should I get a second opinion if I’m told it’s too late?

Yes. If you are told that planning cannot be done solely because of a dementia diagnosis, it is often wise to seek a second opinion from an attorney who regularly works with aging clients and capacity issues.

What is ABA Rule 1.14 and why does it matter?

ABA Rule 1.14 is an ethical rule that guides attorneys in working with clients who have limitations in decision-making. The most recent update emphasizes working with the client whenever possible, supporting their ability to make decisions, and avoiding unnecessary court intervention.

How does the new ABA Rule 1.14 affect families?

It reinforces the idea that individuals should be included in their own decision-making whenever possible. This supports a more respectful, individualized approach and may allow more planning to be completed than families expect.

What is supported decision-making?

Supported decision-making is an approach where a person receives help from trusted individuals to understand their options and make decisions, while still remaining in control. It is increasingly recognized as an alternative to more restrictive options like guardianship.

How does Generations Legal Group handle clients with dementia?

We take an individualized approach. We meet directly with the client, communicate in a clear and supportive way, and evaluate their ability to participate in decisions. Our goal is to preserve dignity and independence while ensuring appropriate legal protections are in place.

When should we start estate planning if dementia is a concern?

As early as possible. However, even after a diagnosis, it may not be too late. The best step is to have the situation evaluated by an experienced Elder Law attorney who understands how to properly assess capacity.

What should I do if I’m unsure whether my loved one can still plan?

Schedule a consultation with an attorney who focuses on Elder Law. A proper evaluation can help determine what is still possible and what steps should be taken next.