How to File a Medical Malpractice Lawsuit in Connecticut: The Certificate of Reasonable Inquiry

Current as of: September 17, 2026 Medical Malpractice Connecticut
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To file a medical malpractice lawsuit in Connecticut, you must attach a Certificate of Good Faith based on a reasonable inquiry under C.G.S. § 52-190a. This letter proves a similar healthcare provider believes negligence occurred, costing between $2,000 and $5,000 to obtain.

When you are harmed by a medical professional in Connecticut, filing a lawsuit is not as simple as filing a standard personal injury claim. To prevent frivolous lawsuits, state law requires injured patients to meet a significant statutory threshold before they can proceed. This requirement, codified in C.G.S. § 52-190a, is formally known as the Certificate of Good Faith, which demonstrates that counsel conducted a reasonable pre-suit inquiry. Essentially, a judge will not let your case proceed unless you attach proof that another qualified healthcare provider has reviewed your medical records and written a detailed opinion confirming that medical malpractice occurred. Whether you were treated at a hospital in Hartford, New Haven, or Stamford, failing to include this document will result in your case being dismissed. Because navigating these complex medical-legal requirements is difficult, we recommend searching our directory to consult a local Connecticut medical malpractice lawyer for guidance.

Step-by-Step Process in Connecticut

Obtaining this certificate requires strategic planning, gathering detailed medical evidence, and finding a willing expert. Your lawsuit will eventually be filed in the local Connecticut Superior Court, Hartford or the appropriate judicial district courthouse for your county.

Step 1: Understanding C.G.S. § 52-190a

Under C.G.S. § 52-190a(a), your attorney must attach a Certificate of Good Faith to your initial complaint stating that they have conducted a reasonable inquiry giving rise to a good faith belief that there has been negligence in your care. Attached to this certificate must be a detailed, signed written opinion from a 'similar healthcare provider.' The opinion letter must set forth a detailed basis demonstrating that the prevailing professional standard of care was breached.

Step 2: Specialist vs. General Practitioner Requirements

Connecticut law is strict regarding expert qualifications under C.G.S. § 52-184c. If the defendant healthcare provider is board-certified as a specialist or holds themselves out as a specialist, C.G.S. § 52-184c(c) requires that a 'similar healthcare provider' must be trained and experienced in the same medical specialty and certified by the appropriate American specialty board. A general practitioner or registered nurse cannot review a board-certified specialist's care. If the defendant is not board-certified, C.G.S. § 52-184c(b) mandates that the reviewing expert be licensed in Connecticut or another state with equal or greater standards, trained in the same school of practice, and actively involved in the practice or teaching of medicine within the five-year period preceding the incident.

Step 3: Finding a Willing Medical Expert

Finding a doctor in Connecticut to testify against a local colleague can be challenging due to professional relationships. To obtain an objective opinion, counsel will frequently consult out-of-state medical experts. The reviewing physician will charge a fee to review medical records and author the detailed opinion letter required by statute.

Step 4: What if the Statute of Limitations is Expiring?

Patients sometimes discover medical negligence shortly before the expiration of the statutory deadline to file suit under C.G.S. § 52-584. Because obtaining voluminous hospital records and expert reviews takes substantial time, Connecticut law provides an automatic procedural remedy. Under C.G.S. § 52-190a(b), an attorney can file a petition with the clerk of the court for an automatic 90-day extension of the statute of limitations. This filing grants an additional 90 days to complete the reasonable inquiry and obtain the required expert opinion letter.

How Much Does it Cost in Connecticut?

Building a medical malpractice case requires upfront capital, mostly to pay for the medical experts required by state law.

  • Medical Expert Review Fees: Retaining a specialized physician to review medical records and draft the initial opinion letter generally costs between $2,000 and $5,000.
  • Medical Records Fees: Connecticut healthcare facilities charge statutory copying fees for records, which typically range from $100 to $500 for extensive files.
  • Court Filing Fees: Filing a civil complaint in the Connecticut Superior Court costs roughly $360.
RequirementEstimated Cost (USD)
Expert Opinion Letter$2,000 - $5,000
Medical Record Copies$100 - $500
Superior Court Filing Fee$360

How Long Does the Process Take?

Preparing to file a medical malpractice lawsuit takes substantial time. Collecting all medical records usually takes 4 to 8 weeks. Finding a similar healthcare provider and completing their review takes another 2 to 4 months. Once the Certificate of Good Faith and expert opinion are filed alongside your complaint, the entire litigation process in Connecticut courts can take 2 to 4 years before reaching a settlement or verdict.

Frequently Asked Questions (FAQ)

Can my lawsuit proceed if I just forget the certificate?

No. Under C.G.S. § 52-190a(c), failure to obtain and attach the Certificate of Good Faith and the similar healthcare provider's written opinion requires dismissal of the action.

Does the expert's name become public immediately?

Not initially. Under C.G.S. § 52-190a(a), the original opinion letter is retained by counsel, and a copy with the name and signature of the reviewing healthcare provider redacted is attached to the complaint to protect the expert during early litigation.

Can a nurse practitioner review a doctor's work?

Generally, no. Under C.G.S. § 52-184c, the reviewing provider must be a 'similar healthcare provider.' If the defendant is a physician specialist, the expert must be a board-certified physician in that same specialty.

Does a good expert opinion guarantee I will win?

No. The certificate satisfies the statutory threshold to initiate the lawsuit. The plaintiff must still establish standard of care, causation, and damages during formal discovery and trial.


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