Rideshare Sexual Assault Litigation: What Attorneys Need From Medical Experts

Most mass torts turn on a molecule. This one turns on a business model, and on what a clinician documented in the hours and months after an assault. As of the August 3, 2026 JPML statistics report, 4,397 actions are pending in MDL No. 3084 in the Northern District of California, out of 4,693 total actions filed to date.¹ Plaintiffs allege that Uber marketed itself as a safe ride, then failed to screen, monitor and respond to drivers who sexually assaulted passengers. Two federal bellwether juries have now returned verdicts, the next trial begins in October 2026, and the expert record in these cases is built almost entirely from medical, forensic and psychiatric proof.

The Litigation Landscape

The Judicial Panel on Multidistrict Litigation centralized these cases in October 2023, creating In re: Uber Technologies, Inc., Passenger Sexual Assault Litigation, MDL No. 3084, Master Docket No. 3:23-md-03084, before Senior U.S. District Judge Charles R. Breyer, with Magistrate Judge Lisa J. Cisneros handling discovery disputes. The August 3, 2026 JPML report lists 4,397 actions pending and 4,693 total actions historically.¹ A parallel body of cases proceeds in California state court coordinated proceedings, and many claims are diverted to individual arbitration under the terms of service, so the MDL docket count is not the full claim population.

Plaintiffs allege claims sounding in negligence, negligent hiring and retention, failure to warn, common carrier duty, apparent agency and product liability directed at features of the app itself. Uber denies the allegations, maintains that drivers are independent contractors rather than employees, and contests both duty and causation. Judge Breyer has narrowed some theories on summary judgment while allowing others to reach juries.

Three trial outcomes now anchor valuation discussions, and attorneys should be precise about what each one did and did not decide. In a California state court trial in the fall of 2025, a jury found negligence but concluded it was not a substantial factor in the plaintiff’s harm, and awarded nothing. In the first federal bellwether, Dean v. Uber Technologies, tried in Phoenix, a jury returned a verdict for the plaintiff on an apparent agency theory and judgment was entered for $8,500,000 on February 6, 2026, with no punitive damages awarded and the design defect and negligence theories rejected.^{2, 3} In the second federal bellwether, tried in Charlotte in April 2026, the jury again found for the plaintiff but awarded $5,000. Each verdict binds only its own case, Uber has signaled appeals, and no finding in any of these trials establishes liability in the thousands of other pending actions, which remain allegations.

Two structural points matter for anyone working up a file. First, Judge Breyer’s January 8, 2026 pretrial order in Dean resolved the Rule 702 motions on both sides, granting exclusion in part as to several liability and standards experts while denying the rest, and the parties later stipulated that those Rule 702 rulings would carry into the second bellwether.⁴ Expert gatekeeping in this MDL is being decided once and reused. Second, no global settlement has been announced. A court approved qualified settlement fund exists, individual resolutions have occurred, and the Court spent the summer of 2026 pressing both sides to replenish the bellwether pool, but a global deal has not been reached.

The Injuries at Issue

The claimed harms in these cases are physical, psychological and economic, and they are proved through records that are often thin, scattered and created by clinicians who never expected to be deposed.

Acute Physical Injury and Forensic Findings

Anogenital and non-genital injury, strangulation, bruising and abrasion patterns, and the absence of visible injury all become contested issues. Many survivors present to an emergency department or a sexual assault response program within days. Others never present at all. A defense theme in these cases is the gap between the allegation and the medical record, which is precisely the gap a qualified forensic examiner is needed to explain.

Post-Traumatic Stress Disorder and Related Psychiatric Injury

PTSD, major depression, panic disorder, generalized anxiety, substance use disorder and suicidality are the core damages claims. Rape is the trauma most strongly associated with PTSD in women, and prospective work in survivors seeking medical care after rape found 39 percent met criteria for PTSD at six months, with 47 percent reporting moderate or severe depression.⁵

Functional, Occupational and Economic Harm

Interrupted education, lost employment, relocation, the cost of long term trauma focused therapy, medication management and, in some cases, inpatient care. Many plaintiffs were in their late teens or twenties at the time of the alleged assault, so the future care and lost earning capacity components can be substantial and require formal proof rather than narrative.

Delayed Reporting and Behavior at the Time of the Assault

Cross examination in these cases regularly focuses on why a plaintiff did not fight, did not call police immediately, or continued to use the app. That is a clinical question, not a credibility question, and it needs an expert to answer it.

The Science Behind the Claims

Tonic immobility is common and is predictive of later psychiatric injury. In a cohort of 298 women examined at an emergency clinic within one month of a sexual assault, 70 percent reported significant tonic immobility and 48 percent reported extreme tonic immobility during the assault. Tonic immobility was associated with PTSD at six months, odds ratio 2.75, 95 percent confidence interval 1.50 to 5.03, and with severe depression, odds ratio 3.42, 95 percent confidence interval 1.51 to 7.72.⁶ This literature is the evidentiary answer to the “why didn’t she resist” line of attack, and it has to come from a witness qualified to present it.

The absence of injury is not evidence that nothing happened. The Department of Justice National Protocol for Sexual Assault Medical Forensic Examinations, Adults and Adolescents, third edition, sets the current standard of practice for the examination, evidence collection, photography, strangulation assessment, prophylaxis and documentation.⁷ An examiner who deviated from that protocol, or a jurisdiction where no trained examiner was available, changes what a chart can and cannot show. Research on sexual assault nurse examiner programs has also documented their effect on the quality of evidence collection and on case progression through the justice system.⁸

Toxicology has short windows and real limits. Where incapacitation is alleged, detection depends on how quickly samples were collected and how sensitive the assay was. Contemporary screening panels for drug facilitated sexual assault cover well over one hundred analytes, and work on gamma-hydroxybutyrate continues precisely because its rapid elimination causes it to be underestimated in these cases.^{9, 10} A negative screen collected 48 hours later means much less than a defense expert may suggest, and that point has to be made by someone who can speak to the assay.

The incident data is itself an expert subject. Uber’s own U.S. Safety Reports disclosed 5,981 sexual assault reports for 2017 and 2018, 3,824 for 2019 and 2020, and 2,717 for 2021 and 2022, and discovery in the MDL produced 12,522 trip identifiers matching the incidents disclosed across those three reports.¹¹ Whether that reporting was complete, and what it should have told the company, is contested on both sides.

Why Expert Witnesses Are Critical

Forensic Nurse Examiners and SANE Certified Nurses

This is the central medical specialty in rideshare assault cases. A SANE-A or SANE-P certified forensic nurse can interpret the examination record, explain chain of custody, address photographic and colposcopic findings, testify to what strangulation does and does not leave behind, and explain to a jury why a normal examination is consistent with the history. Where no examination was performed, a forensic nurse can explain the barriers that keep survivors out of the emergency department. Defense counsel needs the same specialty to test whether the documentation supports what the plaintiff’s expert claims it shows.

Emergency Medicine and Emergency Nursing

Triage decisions, prophylaxis, the timing of law enforcement notification, and the completeness of the record fall to emergency clinicians. Where a plaintiff presented to a general emergency department with no forensic program, an emergency nurse or physician is usually the only clinical witness to the acute presentation.

Trauma Psychiatry and Psychology

Damages in these cases live or die on the psychiatric proof. A forensic psychiatrist or psychologist is needed to establish a DSM-5-TR diagnosis, to apportion between the index assault and prior trauma history, to address malingering and secondary gain, and to project the course and cost of treatment. Given the Rule 702 rulings already entered in this MDL, opinions must stay inside the witness’s clinical expertise and out of corporate conduct and ethics, which is where several experts on both sides were trimmed.⁴

Obstetrics and Gynecology

Where pregnancy, sexually transmitted infection, chronic pelvic pain or subsequent gynecologic care is alleged, a gynecologist is needed for causation and for the long term care picture.

Forensic Toxicology

For every case involving alleged incapacitation, whether by a substance administered covertly or by voluntary intoxication that the plaintiff says made consent impossible. The toxicologist addresses detection windows, assay sensitivity, back extrapolation and the meaning of a negative result.

Life Care Planning and Vocational Rehabilitation

A certified life care planner converts a psychiatric treatment plan into a costed, defensible future care schedule, and a vocational expert quantifies lost capacity for a plaintiff whose education or career was interrupted. These are the specialties most often added too late.

Key Dates in MDL 3084

Date	Event
October 2023	JPML centralizes cases as MDL 3084 before Judge Charles R. Breyer, N.D. Cal.
January 8, 2026	Pretrial Order No. 39: Rule 702 and summary judgment rulings in the Dean bellwether
February 5 and 6, 2026	First federal bellwether verdict and entry of judgment, $8,500,000, Dean
April 2026	Second federal bellwether tried in Charlotte, plaintiff verdict, $5,000 awarded
July 13, 2026	Court grants joint schedule for the next bellwether trial, ECF No. 6784
August 21, 2026	Substantial completion of fact discovery
August 24, 2026	Expert reports served
September 2, 2026	Close of expert discovery
September 4, 2026	Motions for summary judgment
September 8, 2026	Rule 702 motions, motions in limine and Rule 412 motions
September 18, 2026	Oppositions to Rule 702, summary judgment and in limine motions
September 25, 2026	Pretrial conference
September 30, 2026	Jury selection
October 5, 2026	Next bellwether trial begins

Dates are taken from the Court’s July 13, 2026 order granting the joint proposed schedule for the next bellwether trial, and from the Court’s prior orders. They are subject to amendment.¹²

How Med Legal Pro Helps

The expert reports in the next bellwether were served in August 2026, and Rule 702 briefing lands in September. For every firm holding inventory behind the bellwethers, the work that decides case value is happening now, in the record review. A forensic nurse who reads the chart during workup will tell you within an hour whether the examination was done to protocol, whether the findings are documented in a way that will survive cross examination, and whether the psychiatric record actually connects the diagnosis to the index event.

Med Legal Pro matches attorneys with vetted medical experts and prepares those experts to withstand Rule 702 scrutiny and cross examination. For rideshare sexual assault litigation that means forensic and SANE certified nursing, emergency medicine and emergency nursing, trauma psychiatry and psychology, obstetrics and gynecology, forensic toxicology, life care planning and vocational rehabilitation. We handle the record review, the expert identification and the report preparation so your team can litigate. These cases are also handled with the discretion the subject matter requires.

The Expert for Experts.

Sources

1. Judicial Panel on Multidistrict Litigation, Pending MDL Dockets by Actions Pending, August 3, 2026. jpml.uscourts.gov
2. In re Uber Technologies, Inc., Passenger Sexual Assault Litigation, No. 3:23-md-03084-CRB, Judgment in Jaylynn Dean v. Uber Technologies, Inc., ECF No. 5203, N.D. Cal., February 6, 2026.
3. Associated Press, “Uber found liable in sexual assault case and ordered to pay $8.5 million,” February 6, 2026. apnews.com
4. In re Uber, Pretrial Order No. 39: Order Regarding Dean Pretrial Motions, ECF No. 4941, N.D. Cal., January 8, 2026.
5. Möller AT, Bäckström T, Söndergaard HP, Helström L. Identifying Risk Factors for PTSD in Women Seeking Medical Help after Rape. PLoS ONE. 2014;9(10):e111136. doi:10.1371/journal.pone.0111136
6. Möller A, Söndergaard HP, Helström L. Tonic immobility during sexual assault, a common reaction predicting post-traumatic stress disorder and severe depression. Acta Obstetricia et Gynecologica Scandinavica. 2017;96(8):932-938. doi:10.1111/aogs.13174
7. U.S. Department of Justice, Office on Violence Against Women, A National Protocol for Sexual Assault Medical Forensic Examinations, Adults and Adolescents, third edition.
8. Campbell R, et al. Systems Change Analysis of SANE Programs: Identifying the Mediating Mechanisms of Criminal Justice System Impact, National Institute of Justice. ojp.gov
9. Automated enzymatic hydrolysis of urine samples for improved systematic toxicological analysis of drug-facilitated sexual assault cases. Drug Testing and Analysis. 2024. doi:10.1002/dta.3640
10. Prolonged Detection of GHB Intake in Urine: Are We Finally There? Drug Testing and Analysis. 2025. doi:10.1002/dta.3956
11. Uber Technologies, U.S. Safety Report, 2017-2018, 2019-2020 and 2021-2022 editions. uber.com
12. In re Uber, Order Granting Joint Proposed Schedule for Next Bellwether Trial, ECF No. 6784, N.D. Cal., filed July 13, 2026.

Tracy L. Liberatore Esq, PA-Emeritus