People
Hall has exceptionally talented attorneys who effectively resolve sophisticated legal, business, and regulatory problems. We combine decades of experience in complimentary industries to make things simple for our clients.
Hall Attorneys Complex Litigation
Legal solutions from a
business perspective.
Nicholas Hall
Complex Litigation
Current matters
All current matters →Class action filed
Quest Diagnostics data breach class action →
Filed October 23, 2026 · D.N.J. · Quanum LSM patient records
New investigation
University Hospitals & Epic Systems investigation →
Ohio health system · October 2026 MyChart disruption
New investigation
Linebarger data breach investigation →
October 22 listing · unverified Everest extortion claim
New investigation
Railway data breach investigation →
October 21 disclosure · environment variables and credentials
New investigation
Porter Hedges data breach investigation →
October 21 listing · unverified extortion claim
New investigation
Central Ohio Primary Care data breach →
COPC patients and employees · October 15, 2026 update
New investigation
Girard data breach →
Patients and employees · possible cybersecurity incident
New investigation
MoneyGram data breach →
October 2026 reports · senders, recipients, and employees
New investigation
Fake Claude downloads →
Search ads and redirects · deceptive software downloads
New investigation
Ledger / CryptoBilis cryptocurrency losses →
October 9 warning · reseller purchases and reported losses
Class Action Filed · October 23, 2026
Hall Attorneys files Quest Diagnostics data breach class action
Hall Attorneys and co-counsel filed a putative class action alleging Quest failed to protect confidential patient records in Quanum Lab Services Manager. The lawsuit seeks damages on behalf of affected patients.
Class Action Filed
Hall Attorneys files Canvas data breach class action
Hall Attorneys filed a putative class action against Instructure, the company behind Canvas LMS, alleging the Canvas security failure exposed student information and messages among Canvas users while disrupting finals-week access to course materials, study materials, and online exams.
Mercor Class Action · N.D. Cal. 3:26-cv-03362
Class action filed over Mercor’s AI labor pipeline and March 2026 data breach
On April 21, 2026, Hausfeld LLP and Hall Attorneys, P.C. filed a 45-page putative class action against Mercor, Delve AI, and LiteLLM alleging that Mercor’s AI-driven labor platform centralized recorded interviews, facial biometrics, background-check dossiers, tax and banking data, and personal-device screenshots, and that a LiteLLM supply-chain compromise exfiltrated roughly four terabytes of that data.
Hall Attorneys
Practices
Hall represents people and businesses in complex litigation, class actions, and mass-claims matters involving data breaches, artificial intelligence, privacy violations, biometrics, consumer reporting, and financial misconduct.
Approach
We investigate quickly, preserve critical evidence, and build clear legal strategies for technically complex disputes. We work closely with clients, co-counsel, and experts to move urgent matters forward without losing sight of the people affected.