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In most Connecticut legal malpractice cases, expert testimony is required. Courts usually rely on qualified attorneys to explain the standard of care and whether it was breached. Without that testimony, many claims cannot proceed unless the mistake is obvious to a non-lawyer.

When Is Expert Testimony Required in a Legal Malpractice Case?

Legal malpractice claims focus on whether an attorney acted as a reasonably competent lawyer would under similar circumstances. That standard is not something jurors are expected to know on their own.

For that reason, Connecticut courts generally require expert testimony to:

  • Define the applicable standard of care
  • Explain how the attorney’s conduct fell short
  • Connect the attorney’s conduct to the harm claimed

In most cases, an experienced attorney in the same or similar practice area serves as the expert.

Why Courts Rely on Expert Testimony

Legal work often involves judgment calls, procedural rules, and strategic decisions that are not obvious to someone outside the profession. An expert helps the court understand what competent representation should have looked like in your situation.

For example, an expert may explain:

  • Whether a claim or defense should have been raised
  • How a case should have been investigated or prepared
  • Whether a settlement recommendation was reasonable under the circumstances

This testimony gives the court a framework for evaluating whether the attorney’s conduct met professional standards.

Are There Exceptions to the Expert Testimony Requirement?

Yes, but they are limited. Connecticut recognizes a “common knowledge” exception in rare cases where the attorney’s error is so clear that a jury does not need expert guidance.

Examples may include:

Even in these situations, expert testimony may still be helpful, especially if there are disputes about causation or damages.

Does Expert Testimony Also Apply to Causation?

In many cases, yes. It is not enough to show that a lawyer made a mistake. You must also show that the mistake caused you harm.

This often involves proving that you would have achieved a better result if the attorney had acted properly. Depending on the complexity of the underlying case, expert testimony is often needed to establish that link, particularly in more involved matters.

For example, an expert may be required to explain whether:

  • A claim would likely have succeeded
  • A defense would have changed the outcome
  • A different strategy would have produced a better result

What Happens If You Do Not Have an Expert?

Without expert testimony, many legal malpractice claims cannot survive the early stages of litigation. Courts may dismiss the case, often at an early stage, if there is no qualified expert to support the claim.

This is why having your case reviewed early can be important. Identifying the right expert and developing a clear theory of liability takes time.

What to Do If You Are Considering a Malpractice Claim

If you believe your attorney’s conduct caused financial harm, an early review of your case can help determine whether expert testimony will be required and whether a claim is viable.

You can start by:

  • Gathering your case file and relevant communications
  • Identifying key decisions and outcomes
  • Contacting a legal malpractice attorney to evaluate whether a claim is viable

We evaluate whether the conduct at issue likely falls below the standard of care and whether expert support will be needed to move your claim forward.

Talk With Us About Your Legal Malpractice Claim

Most legal malpractice cases in Connecticut require expert testimony, but whether your case qualifies depends on the facts. If you are unsure whether your lawyer’s actions rise to the level of malpractice, we can help you assess your situation and determine your next steps.

Contact The Stanfield Law Firm to discuss your case and learn whether you may have a viable claim under Connecticut law.

About the Author

Sandra Stanfield is a founding partner of Stanfield Law Firm in Middletown, Connecticut. She represents clients in legal and professional malpractice, personal injury, workers’ compensation, probate litigation, and business disputes. She earned her J.D., with honors, from the University of Connecticut School of Law and is admitted to practice in Connecticut and Massachusetts.