10 records
Before I can file a medical malpractice lawsuit in my state, do I have to file a certificate or affidavit of merit, who has to sign it, what's the deadline, and what happens if I miss it?
10 records, one fact each. Every value is transcribed from the source that states it and carries the sentence it was taken from: 12 sources across 9 sites, last checked 2026-09-02, due for re-check by 2027-09-02. Every record is listed below, each linking the page its value came from.
About this data
Most states require a plaintiff in a medical malpractice case to file something beyond an ordinary complaint — a sworn affidavit from a qualifying medical expert, a certificate that the plaintiff's attorney consulted one, or a hybrid of the two — confirming the claim was reviewed and has merit before the case can proceed. The document's name, who must sign it, the filing deadline and the consequence of missing it are all set by the individual state's own statute or court rule, and none of the four vary in lockstep: New Jersey requires an affidavit within 60 days after the defendant's answer is filed, Illinois and Georgia require it filed with the complaint itself, Nevada's statute states no deadline at all but dismisses any action filed without an affidavit, Arizona requires the affidavit not with the complaint but with the Rule 26.1 initial disclosures, Texas requires an expert report within 120 days after each defendant's answer, Ohio (a court rule, not a statute) requires the complaint to be accompanied by the affidavit, Pennsylvania (also a court rule) allows filing with the complaint or within 60 days after, Maryland requires a certificate within 90 days of the complaint filed with an administrative arbitration office rather than the court, and Colorado requires the plaintiff's attorney (not a medical expert) to certify within 60 days of service that an expert was consulted. A widely-cited free chart on this exact question (Expert Institute's 'Certificate/Affidavit of Merit by State') states in its own text that its state list is only 'representative' rather than exhaustive, and gives a filing deadline for only 6 states out of the roughly 20 it names — this asset instead states 10 states each against the actual statute or court rule text, with the requirement, the deadline, who must sign, and the stated consequence of non-compliance, each backed by a verbatim quote. States not covered here are omitted rather than guessed at. Answers 'does [state] require a certificate of merit for medical malpractice', 'affidavit of merit deadline in [state]', 'what happens if you don't file an affidavit of merit', 'who has to sign a medical malpractice certificate of merit'. A reference lookup, not legal advice — extensions, cure periods and exceptions (e.g. where the statute of limitations is about to run) exist in most of these statutes and the record quotes them where the source states them, but a specific case should be checked against the current text and against local counsel.
The data
| State | Document required | Filing deadline | Who must sign | Consequence of non-compliance | Statute or rule citation |
|---|---|---|---|---|---|
| Arizona | preliminary expert opinion affidavit | with the initial disclosures that are required by rule 26.1, Arizona rules of civil procedure | a person who is qualified by knowledge, skill, experience, training or education to express an opinion regarding a licensed health care professional’s standard of care or liability for the claim | shall dismiss the claim against the health care professional or designated nonparty at fault without prejudice | A.R.S. § 12-2603 |
| Colorado | certificate of review | within sixty days after the service of the complaint, counterclaim, or cross claim against such person unless the court determines that a longer period is necessary for good cause shown | the attorney for the plaintiff or complainant declaring: (I) That the attorney has consulted a person who has expertise in the area of the alleged negligent conduct | the dismissal of the complaint, counterclaim, or cross claim | C.R.S. 13-20-602 |
| Georgia | affidavit of an expert competent to testify | file with the complaint | an expert competent to testify | the complaint shall be dismissed for failure to state a claim | § 9-11-9.1 |
| Illinois | affidavit | attached to the original and all copies of the complaint | the plaintiff's attorney or the plaintiff, if the plaintiff is proceeding pro se | grounds for dismissal under Section 2-619 | 735 ILCS 5/2-622 |
| Maryland | certificate of a qualified expert | within 90 days from the date of the complaint | A health care provider who attests in a certificate of a qualified expert or who testifies in relation to a proceeding before an arbitration panel or a court concerning compliance with or departure from standards of care may not have devoted more than 25% of the expert’s professional activities to activities that directly involve testimony in personal injury claims during the 12 months immediately before the date when the claim was first filed | shall be dismissed, without prejudice | Md. Code, Cts. & Jud. Proc. § 3-2A-04 |
| Nevada | affidavit | a medical expert who practices or has practiced in an area that is substantially similar to the type of practice engaged in at the time of the alleged professional negligence | the district court shall dismiss the action, without prejudice | NRS 41A.071 | |
| New Jersey | affidavit of an appropriate licensed person | within 60 days following the date of filing of the answer to the complaint by the defendant | the person executing the affidavit shall meet the requirements of a person who provides expert testimony or executes an affidavit as set forth in section 7 of P.L.2004, c. 17 ( C.2A:53A-41 ) | it shall be deemed a failure to state a cause of action | N.J. Stat. § 2A:53A-27 |
| Ohio | affidavits of merit | shall be accompanied by one or more affidavits of merit relative to each defendant named in the complaint | an expert witness meeting the requirements of Evid.R. 702 and, if applicable, also meeting the requirements of Evid.R. 601(B)(5) | shall operate as a failure otherwise than on the merits | Civ.R. 10(D)(2) |
| Pennsylvania | certificate of merit | shall file with the complaint or within sixty days after the filing of the complaint | the attorney for the plaintiff, or the plaintiff if not represented | a judgment of non pros under Rule 1042.7(a) | 231 Pa. Code Rule 1042.3 |
| Texas | expert report | not later than the 120th day after the date each defendant’s original answer is filed | an expert qualified to testify under the requirements of Section 74.401 (Qualifications of Expert Witness in Suit Against Physician) | dismisses the claim with respect to the physician or health care provider, with prejudice to the refiling of the claim | Tex. Civ. Practice & Remedies Code Section 74.351 |
Where this came from
Every record above links the page it was taken from and quotes the sentence that states it. These are the 12 sources this dataset was assembled from.
- azleg.govhttps://www.azleg.gov/ars/12/02603.htm
- colorado.public.lawhttps://colorado.public.law/statutes/crs_13-20-602
- codes.findlaw.comhttps://codes.findlaw.com/ga/title-9-civil-practice/ga-code-sect-9-11-9-1/
- ilga.govhttps://www.ilga.gov/legislation/ilcs/fulltext.asp?DocName=073500050K2-622
- mgaleg.maryland.govhttps://mgaleg.maryland.gov/mgawebsite/laws/StatuteText?article=gcj§ion=3-2A-04
- leg.state.nv.ushttps://www.leg.state.nv.us/nrs/nrs-041a.html
- codes.findlaw.comhttps://codes.findlaw.com/nj/title-2a-administration-of-civil-and-criminal-justice/nj-st-sect-2a-53a-27/
- codes.findlaw.comhttps://codes.findlaw.com/nj/title-2a-administration-of-civil-and-criminal-justice/nj-st-sect-2a-53a-29/
- supremecourt.ohio.govhttps://www.supremecourt.ohio.gov/LegalResources/Rules/civil/CivilProcedure.pdf
- pacode.comhttps://www.pacode.com/secure/data/231/chapter1000/s1042.3.html
- pacode.comhttps://www.pacode.com/secure/data/231/chapter1000/s1042.6.html
- texas.public.lawhttps://texas.public.law/statutes/tex._civ._practice_&_remedies_code_section_74.351
Machine-readable
- data.jsonThe whole dataset — every record with its source URL and source quote.
- Open Knowledge Format bundleOne JSON object per line — every record's frontmatter and quoted span exactly as it is held here, in one fetch.
- How this is made and checkedWhat "verified against source" does and does not mean.