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Pathology Expert Witnesses

Pathology underpins diagnosis, drug development, and clinical research, and the business of pathology, from reference laboratories and digital slide scanners to biobanks and companion diagnostics, generates disputes when diagnostic quality or specimen integrity falls short. Health systems sue reference laboratories over undisclosed proficiency failures and scanner manufacturers over calibration and resolution defects, while pharmaceutical sponsors pursue contract research organizations and biobanks after assay validation gaps or chain-of-custody failures compromise trial data. Acquirers of pathology practices dispute inflated specimen volumes, and payers and pathology groups contest coding methodologies in recoupment actions. Each dispute ultimately asks whether a laboratory, vendor, or service provider met the diagnostic and quality standards the agreement and the profession required.

A pathology expert evaluates that standard at the level of the evidence itself, re-reviewing archived slides, digital images, proficiency records, and validation protocols to determine whether a diagnostic or technical failure occurred and when. The expert can assess whether a scanner defect actually impaired diagnostic review, whether an assay was validated adequately for patient selection, or whether specimens remained suitable for downstream analysis after a storage lapse. That analysis is central to causation, because it separates failures attributable to the defendant from the inherent interpretive variability in pathology and from conditions outside the defendant's control. The resulting opinions support breach of contract, warranty, and indemnification claims, inform damages tied to delayed trials, recoupments, or purchase-price adjustments, and allow counsel to rebut an opposing expert's reading of the same material.

Pathology is highly subspecialized, so an expert's value depends on direct experience with the tissue type, laboratory function, or technology in dispute. The pathologists we present include academic hematopathologists who run clinical laboratories and understand their regulatory and administrative obligations, specialists in digital pathology, gastrointestinal, lung, and placental pathology, and laboratory medicine physicians who have built clinical laboratories from the ground up. Members of this network belong to organizations such as the American Society of Clinical Pathologists and the United States and Canadian Academy of Pathology, and one brings extensive experience in U.S. Patent and Trademark Office examination and prosecution in biotechnology. Drawing on more than 75,000 expert searches for litigators, Round Table Group can help you identify the pathology expert your matter calls for, and you can begin by calling us at (202) 908-4500.

Kinds of Cases We Work On

Round Table Group helps our clients find a wide variety of Pathology expert witnesses for cases like:

01

Pathology Lab Roll-Up Faces Post-Acquisition Fraud Claims

A private equity-backed anatomic pathology platform sued the founders of an acquired lab group after discovering inflated specimen volume figures used to justify the acquisition price. We identified experts with experience in pathology laboratory valuation, healthcare billing audit, and clinical laboratory M&A due diligence. The expert's billing reconciliation quantified the inflated volumes, anchoring the platform's purchase-price adjustment claim.
02

Digital Pathology Vendor Sued Over Scanner Defect

A hospital network sued the manufacturer of its digital pathology slide scanning system after a calibration defect caused a portion of scanned slide images to display color artifacts that interfered with diagnostic review. We identified experts with experience in digital pathology imaging systems, slide scanner calibration, and anatomic pathology quality assurance. The expert's calibration audit confirmed the defect, supporting the network's breach of warranty claim.
03

Reference Pathology Lab Sued Over Proficiency Failure

A hospital system sued its reference anatomic pathology laboratory after a proficiency testing failure that predated a batch of biopsy diagnoses was not disclosed before those results were relied upon for treatment decisions. We identified experts with experience in anatomic pathology diagnostic standards, clinical laboratory proficiency programs, and reference lab accreditation. The expert's review of the lab's proficiency records confirmed the timing, supporting the hospital's breach of contract claim.
04

Companion Diagnostics CRO Accused of Validation Gaps

A pharmaceutical sponsor sued its contract research organization after discovering a companion diagnostic pathology assay used to enroll patients in a late-stage trial had validation gaps that led to a wave of misclassified enrollment decisions. We identified experts with experience in companion diagnostic assay validation, pathology-based patient selection methodology, and CRO quality assurance. The expert's protocol audit confirmed the gaps, supporting the sponsor's delay damages claim.
05

Veterinary Pathology Lab Sued Over Tumor Panel

A veterinary hospital chain sued its veterinary pathology diagnostic laboratory after a misclassified tumor biopsy panel led to a delayed treatment decision across a cluster of cases later flagged in an internal quality review. We identified experts with experience in veterinary pathology diagnostics, tumor histopathology standards, and veterinary laboratory quality control. The expert's re-review of archived slides confirmed the misclassification, supporting the chain's claim.
06

Forensic Pathology Firm Faces Suit Over Opinion

A corporate defendant sued the forensic pathology consulting firm it retained in an underlying liability case after the firm's cause-of-death opinion was excluded for exceeding the scope of its engagement, contributing to an adverse verdict. We identified experts with experience in forensic pathology methodology, expert witness engagement scope, and litigation consulting standards. The expert's review of the engagement letter confirmed the opinion exceeded its bounds, supporting the defendant's malpractice claim.
07

Pathology Staffing Agency Sued Over Credential Fraud

A regional hospital network sued its pathology staffing agency after discovering a portion of placed locum tenens pathologists held board certifications that had lapsed or were misrepresented on placement paperwork. We identified experts with experience in pathologist credentialing standards, locum tenens staffing compliance, and hospital medical staff requirements. The expert's credential audit quantified the misrepresented placements, anchoring the network's indemnification claim.
08

Slide Scanner Maker Blamed for Resolution Defect

A pathology lab chain sued its whole-slide imaging equipment manufacturer after a resolution defect across a batch of scanners caused a recognizable category of diagnostic features to be systematically underresolved during digital review. We identified experts with experience in whole-slide imaging engineering, optical resolution standards, and digital pathology quality assurance. The expert's technical testing confirmed the resolution defect, supporting the lab chain's breach of warranty claim.
09

Pathology Billing Consultant Sued Over Coding Errors

A pathology group sued the billing compliance consulting firm it retained after a coding methodology the firm certified as compliant drew a recoupment demand from a national insurer following a claims audit. We identified experts with experience in pathology billing and coding standards, healthcare compliance consulting, and insurer audit practice. The expert's coding review confirmed the methodology was inconsistent with current guidelines, supporting the group's claim against the consultant.
10

Biobank Sued Over Specimen Chain-of-Custody Failures

A pharmaceutical sponsor sued the biobank it contracted with to store pathology tissue specimens for a clinical trial after a chain-of-custody failure rendered a portion of archived samples unusable for a planned biomarker analysis. We identified experts with experience in biobank specimen management, pathology tissue preservation standards, and clinical trial sample chain-of-custody protocols. The expert's audit of the storage records confirmed the failure, supporting the sponsor's damages claim.

Here are a few of our favorite Pathology Expert Witnesses:

New York Pathology Expert #6631

I have 11 years of experience, and specialize in the field of pathology with specific knowledge in the areas of placental, fetal and products of conception pathology. I have published on such topics as preterm birth, fetal development and aneuploidy screening. I have testified 20 times on topics such as hypoxic ischemic encephalopathy, abruptio placentae and preterm birth.

 

Pathology, Hematology Expert #16411

I have 15 years of experience and specialize in the field of hematopathology, with specific knowledge of pathology, digital pathology and hematology. I have published on such topics as pathology, hematology and digital pathology.

 

California Pathology, Hematology Expert #17715

I have 7 years of experience, and specialize in the field of pathology with specific knowledge in the areas of lymphoma, leukemia and laboratory hematology. I have published on such topics as bone marrow pathology, lymphoma and myeloproliferative neoplasms. I am an academic pathologist with diagnostic expertise in hematopathology. I run a hematology laboratory and I am familiar with regulatory and administrative issues with respect to the clinical laboratory.

 

Oklahoma Necropsy, Pathology, Zoonoses Expert #22646

I have 13 years of experience, and specialize in the field of veterinary pathology and diagnostics with specific knowledge in the areas of E coli O157, cytauxzoon and aflatoxin. I have published on such topics as E coli O157, cytauxzoonosis and histoplasmosis. I have testified on aflatoxin contamination of feed and effects on livestock, animal abuse or neglect and livestock parasites. I teach numerous veterinary courses in pathology, infectious diseases, emerging diseases, foreign animal diseases, and diagnostic pathology and medicine.

 

Florida Pathology Expert #23785

I have 40 years of experience and specialize in the field of forensic pathology with specific knowledge in the areas of sudden death, electrical injury and infectious disease. I have published on such topics as electrical injury, sudden death and cause of death. I have testified 99 times on topics such as electrical injury, cause of death and cause of injury.

 

Your Case Deserves The Best Pathology Expert Witnesses

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The right expert witnesses and consulting experts can make your case. That’s why we have spent so many hours over the past quarter century making sure our clients have just the right expert team — whether one expert or many, early-stage advice or expert reports and testimony. Across over 50,000 expert search assignments, we have honed a unique, customized approach to identifying, analyzing and connecting with expert talent so you can focus on winning your case.

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Pennsylvania Pathology, Gastrointestinal Expert #25183

I have 12 years of experience, and specialize in the field of pathology with specific knowledge in the areas of gastrointestinal, ophthalmic and general. I have published on such topics as tumor development, dysplasia and inflammatory bowel disease.

 

Kansas Pathology, Autopsy, Liver Expert #26590

I have 35 years of experience, and specialize in the field of pathology and laboratory medicine with specific knowledge in the areas of tumor pathology, autopsy pathology and toxicology. I have published on such topics as stem cells, tumors and liver disease. I have testified 10 times on topics such as autopsy pathology, tumor pathology and surgical diagnosis.

 

Georgia Pathology Expert #29669

I have 30 years of experience, and specialize in the field of pathology with specific knowledge in the areas of autopsy, surgical and forensic medicine. I have published on such topics as tumor diagnosis, rare neoplasms and behaviors of malignancies. I have testified 30 times on topics such as mis-diagnosis of malignancy, autopsy findings and cytopathology. I have worked in both the public and private sector with an extensive bibliography of more than 100 articles and book reviews in the field of pathology.

 

Pennsylvania Pathology Expert #30364

I have 17 years of experience, and specialize in the field of pathology with specific knowledge in the areas of lung pathology, cytopathology, and anatomic pathology. I have published on such topics as lung pathology, lung diseases, and cytopathology.

 

Florida Pathology Expert #31845

I have 8 years of experience and specialize in the field of forensic pathology with specific knowledge of Sudden, Unexplained Infant Death Investigation (SUIDI), autopsy pathology and wound interpretation. I have published on such topics as forensic toxicology, demographics of sudden natural deaths and motor vehicle crash statistics. I have testified 15 times on topics such as gunshot wounds, stab wounds and motor vehicle crashes.

 

Virginia Pathology Expert #32181

I have 40 years of experience, and specialize in the field of pathology and neuropathology with specific knowledge in the areas of brain and spinal cord diseases, peripheral nerves, and muscle disorders. I have published on such topics as various topics of brain diseases.

 

Florida Pathology, Autopsy, Death Expert #34208

I have 10 years of experience and specialize in the field of forensic pathology with specific knowledge of death investigation, medical malpractice and expert witness testimony. I have testified 75 times on topics such as homicide, accidental death and natural death.

 

New York Transfusion, Pathology Expert #36999

I have 30 years of experience, and specialize in the field of [athology with specific knowledge in the areas of clinical laboratory, blood bank and transfusion medicine. I have testified on malignant melanoma, clinical laboratory procedure and transfusion medicine. I developed the clinical laboratories from scratch at a bankrupt hospital which became an AIDS treatment center in New York State.

 

Connecticut Pathology, Gastroenterology Expert #31204

I have 40 years of experience, and specialize in the field of gastrointestinal (GI) pathology with specific knowledge in the areas of Crohn’s disease, veterinary medical GI diseases, canine acute gastric dilatation and autism. I have published on such topics as Crohn’s disease, infectious GI diseases of several species and gastroenteritis. I have testified on canine acute gastric dilatation, Mycobacterium paratuberculosis in Crohn’s disease and animal abuse or neglect pathology. I’m very good at critical researching in published articles and in medical records.

 

Maryland Pathology, epidemiology, Control Expert #31495

I have 30 years of experience, and specialize in the field of biology with specific knowledge in the areas of pathology, epidemiology and patent law. I have published on such topics as plants models for ribonucleic acid virus infection, nematode parasites in plants and biocontrol of parasites. Extensive experience within the US Patent and Trademark Office search and patent prosecution in the specific areas of biotechnology and organic chemistry art 1600, more specifically infectious diseases treatment, cure, and prevention in animals to include man.

 

New Jersey Genetics, Pathology Expert #41136

I have 18 years of experience, and specialize in the field of genetics with specific knowledge in the areas of molecular biology, cancer research and bioinformatics. I have published on such topics as cancer research, genetics and bioinformatics. In 2009, I was selected for inclusion in the Academic Keys Who’s Who in Sciences Higher Education (WWSHE).

 

Pathology, Autopsy Expert #41708

I have 4 years of experience and specialize in the field of pathology, with specific knowledge of autopsy, stomach and breast pathology. I have published on such topics as the autopsy, stomach pathology and large bowel pathology. I have testified 10 times on topics such as cause of death, injuries relating to death and drug use in death.

 

Put Our Pathology Expert Network to Work for You

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Our huge network of experts – eminent university professors and practitioners who have achieved renown as thought leaders in their fields – combined with unparalleled research capabilities puts the experts you need at your disposal when and where you need them.

If you’re a litigator or general counsel, we want to put this network to work for you and your clients. Let us know how we can help by calling us at (202) 908-4500 or filling out the form on this page. We’re so confident you’ll love what we do that unless you retain an expert we present there’s no charge!

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Questions Attorneys Ask About Pathology Expert Witnesses:

When the outcome depends on the quality of a diagnosis, the performance of pathology equipment or assays, or the integrity and usability of tissue specimens. Disputes with reference laboratories, digital pathology vendors, biobanks, companion diagnostic developers, and staffing agencies frequently turn on these questions. Early engagement helps counsel preserve slides, blocks, images, and laboratory records that may need independent re-review.
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