Expert Reports: Are They Evidence In New York?

does an expert report constitute documentary evidence new york

In New York, the admissibility of an expert report as documentary evidence depends on the specific context and circumstances of the case. For example, in the context of a criminal case, expert reports may be admissible if they are based on reliable evidence, such as sworn statements or trial transcripts. In civil cases, the CPLR (Civil Practice Law and Rules) governs the scope of disclosure and admissibility of evidence, including expert reports. According to CPLR 3211(a)(1), a defendant can seek dismissal if their defence is founded upon documentary evidence. However, what constitutes documentary evidence is not explicitly defined, and courts have discretion in determining whether a document qualifies. While some types of documents, such as judicial records, notes, mortgages, and deeds, are typically considered documentary evidence, the admissibility of expert reports may depend on factors such as the relevance and reliability of the evidence they contain.

Characteristics Values
Expert witness rules and laws in New York Expert witnesses in New York must be identified and their reports exchanged within four months of completing fact discovery.
Expert witness discovery rules In New York, expert witness discovery in commercial cases differs from general expert witness discovery rules, especially regarding the availability of expert depositions and the exchange of expert reports.
CPLR requirements The CPLR requires the disclosure of the identity of the expert, the subject matter and basis of their testimony, their opinions and qualifications.
CPLR exemptions Experts retained only for consulting purposes are exempt from CPLR disclosure requirements, as their communications with attorneys are considered attorney work-product or mental impressions, which are protected.
Documentary evidence under CPLR 3211(a)(1) CPLR 3211(a)(1) allows defendants to seek dismissal based on "documentary evidence," but the term is not defined. New York courts have considered judicial records, notes, mortgages, deeds, and contracts as documentary evidence.
Emails and letters as documentary evidence Emails and letters have been considered documentary evidence in some cases, but they must conclusively establish a defense or raise unresolved factual issues. Affidavits are generally not considered documentary evidence.
Expert reports as documentary evidence Expert reports may be considered documentary evidence in certain cases, such as when they contain reliable hearsay or are based on trustworthy records.

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Expert witness rules and laws

In New York, expert witness discovery in commercial cases differs in certain respects, most importantly regarding the availability of expert depositions and the exchange of expert reports.

Under New York Civil Practice Law and Rules (“CPLR”) Section 3101(a)(3), expert witnesses must provide “full disclosure of all matter material and necessary” to the case for which they are retained. Section 3101(d)(1)(i) further requires each party to produce information about its experts upon request by the opposing party. This information must include the identity of the expert, the subject matter on which the expert will testify, the facts and opinions on which the expert will testify, the basis for those facts and opinions, and the qualifications of the expert.

The comments to the CPLR make clear that an expert retained only for consulting purposes in preparation for a case is exempt from the disclosure requirements. The comments suggest that such experts are “an adjunct to the lawyer’s strategic thought processes” such that the consulting expert’s communications with the attorney qualify as attorney work-product or the mental impressions of the attorney, which are completely exempted from discovery under CPLR Section 3101(c) and 3101(d)(2).

In state court, all that is required is for the plaintiff’s counsel to submit an expert witness disclosure statement per CPLR 3101(d), which is usually a paragraph or two that sets out, “in reasonable detail”: the subject matter on which each expert is expected to testify, the substance of the facts and opinions on which each expert is expected to testify, the qualifications of the expert witness, and a summary of the grounds for each expert's opinion. The “in reasonable detail” language leaves room for both sides to argue at trial as to whether a statement made by an expert had been fairly disclosed prior to trial.

In federal court, once the defendant has the plaintiff’s expert report and has taken that expert’s deposition, the defendant may file a “Daubert” challenge in an attempt to have the expert precluded from testifying at trial. The trial judge must then determine whether (a) the person is qualified as an expert in scientific, technical or specialized matters and (b) the expert’s testimony will assist the trier of fact in understanding the evidence and determining the facts at issue. What is required is that the expert’s testimony be both relevant and reliable.

In New York, Rule 13(c) under Section 202.70 of the New York Uniform Rules of the Trial Courts provides that “identification of experts, exchange of reports, and depositions of testifying experts” must be completed within four months following the completion of fact discovery. Depositions generally may not exceed seven hours.

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Expert reports and disclosures

In New York, expert witness discovery in commercial cases has certain differences compared to general expert witness discovery rules. Specifically, Rule 13(c) under Section 202.70 of the New York Uniform Rules of the Trial Courts states that the "identification of experts, exchange of reports, and depositions of testifying experts" must be completed within four months of the completion of fact discovery. This rule promotes timely and efficient expert witness disclosure.

The special circumstances test is also relevant to expert reports and disclosures. This test determines whether an expert may be subject to further discovery, including the disclosure of draft and final reports, laboratory reports, and other materials compiled by the expert. The test applies when physical evidence is lost or destroyed or when unique factual situations exist, such as the information being unavailable from other sources.

Additionally, it is important to note that experts retained only for consulting purposes in preparation for a case are generally exempt from disclosure requirements. These consultants are considered an extension of the attorney's strategic thought process, and their communications are protected as attorney work-product.

Regarding what constitutes "documentary evidence," New York courts have considered emails, letters, and contracts as potential documentary evidence under CPLR 3211(a)(1). However, there is no explicit definition of "documentary evidence," and each case is assessed individually. To qualify as documentary evidence, the document must utterly refute the plaintiff's allegations, conclusively establishing a defense as a matter of law. It should be unambiguous, authentic, and essentially undeniable.

In summary, expert reports and disclosures in New York are governed by specific rules and procedures, including timelines for disclosure and the types of information to be provided. The special circumstances test and the exemption for consulting experts are also important considerations. Understanding these rules is crucial for effective litigation and ensuring the admissibility of expert evidence.

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Expert witness discovery rules

Under the Civil Practice Law and Rules (CPLR) Section 3101(a)(3), expert witnesses must provide "full disclosure of all matter material and necessary" to the case for which they are retained. Section 3101(d)(1)(i) requires each party to disclose information about its experts upon request, including the expert's identity, subject matter, facts and opinions they will testify on, the basis for those facts and opinions, and the expert's qualifications.

Importantly, these requirements only apply to experts a party expects to call at trial. Experts retained only for consulting purposes are exempt from disclosure requirements. In medical, dental, or podiatric malpractice cases, a party may omit the names of medical experts but must disclose all other information.

Expert witness discovery in commercial cases differs from general expert witness discovery rules, with more liberal discovery of experts. Rule 13(c) under Section 202.70 of the New York Uniform Rules of the Trial Courts states that the "identification of experts, exchange of reports, and depositions of testifying experts" must be completed within four months of fact discovery. Depositions generally may not exceed seven hours.

Expert depositions are rare and only allowed under "special circumstances". For example, when the cause of a decedent's death is a significant issue, and the manner and methods of conducting the autopsy are within the expert's knowledge and not available through other sources.

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Expert witness testimony

In New York, expert witness testimony is governed by specific rules and procedures. While expert reports and testimony can be crucial in litigation, it is unclear if they constitute documentary evidence under CPLR 3211(a)(1). This is because the CPLR does not explicitly define "documentary evidence," leaving room for interpretation by the courts.

According to Rule 13(c) under Section 202.70 of the New York Uniform Rules of the Trial Courts, the identification of experts, exchange of reports, and depositions of testifying experts must be completed within four months of fact discovery. This rule ensures that expert witness testimony is thoroughly vetted and exchanged between parties in a timely manner.

In terms of disclosure, the CPLR comments clarify that experts retained for consulting purposes during case preparation are exempt from disclosure requirements. On the other hand, experts expected to testify at trial must meet specific disclosure criteria. This includes providing information about the expert's identity, subject matter expertise, facts and opinions they will testify on, the basis for those facts and opinions, and their qualifications.

New York courts have considered emails, letters, and contracts as documentary evidence in certain cases. For instance, in Beatrice Investments v. 940 Realty, emails and letters were recognised as documentary evidence, but they did not conclusively establish a defence. In Duncan-Watt v. Rockefeller, Justice Masley acknowledged that "an email can suffice as documentary evidence," but again, the evidence did not meet the required threshold.

While there is no definitive answer, it appears that expert reports and testimony may be considered documentary evidence in specific contexts, depending on the circumstances of each case and the discretion of the court. It is advisable to seek legal counsel for specific guidance on whether an expert report constitutes documentary evidence in New York.

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Expert witness qualifications

In New York, expert witness discovery in commercial cases differs in certain respects, most importantly regarding the availability of expert depositions and the exchange of expert reports. Specifically, Rule 13(c) under Section 202.70 of the New York Uniform Rules of the Trial Courts provides that the "identification of experts, exchange of reports, and depositions of testifying experts" must be completed within four months following the completion of fact discovery. Depositions generally may not exceed seven hours.

The qualifications of an expert witness are important and must be disclosed. This information must include the identity of the expert, the subject matter on which the expert will testify, the facts and opinions on which the expert will testify, the basis for those facts and opinions, and the qualifications of the expert.

It is important to note that these requirements only apply to experts whom a party expects to call at trial. An expert retained only for consulting purposes in preparation for a case is exempt from these disclosure requirements. Such experts are considered an "adjunct to the lawyer's strategic thought processes," and their communications with the attorney qualify as attorney work-product or the mental impressions of the attorney, which are completely exempted from discovery.

JurisPro is a free online directory of expert witnesses in New York. It provides information on an expert's qualifications, articles they have written, and contact information. Areas of expertise include accident reconstruction, failure analysis, fire, human factors, product liability, slip and fall, sports and recreation, dog and horse, environmental, industrial hygiene, and many more.

Frequently asked questions

New York's CPLR 3211(a)(1) allows a defendant to seek dismissal of a complaint when the defense is "founded upon documentary evidence." However, the CPLR does not define "documentary evidence." While the plain meaning suggests that any type of evidence reduced to writing could qualify, in reality, only certain documents are considered "documentary evidence." New York courts have held that judicial records and documents such as notes, mortgages, and deeds are considered "documentary evidence."

Affidavits, letters, and emails are not considered documentary evidence in New York.

Contracts can be considered "documentary evidence" under certain circumstances. For example, a written retainer agreement was considered "documentary evidence" in a case where it was found to be "comprehensive in its scope and coverage."

Expert reports can be used as documentary evidence in New York under certain circumstances. For example, in a criminal case, an expert may base their conclusions on parole or presentence reports, which are considered reliable hearsay. However, the reports must have sufficient indicia of reliability, and the expert must be able to testify about the subject matter and the facts and opinions on which they will testify.

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