Tamara Lange’s full-spectrum arbitration and mediation practice includes labor and employment, healthcare, business/commercial, tech & IP, civil rights, wrongful death/personal injury, and cross-border and complex disputes. She has worked exclusively as a neutral since 2015 and values thorough preparation, deep listening, procedural fairness, and efficiency.
Ms. Lange is a Fellow of the Chartered Institute of Arbitrators, an Associate in the College of Commercial Arbitrators, and a member of CalArb. She understands the importance to the parties of timely, well-reasoned decisions that reflect a comprehensive understanding of the relevant law and the evidence presented. Counsel say Ms. Lange is “calm, smart, effective, and respectful” and “appropriately exercise[s] control.” They appreciate her “patience, empathy, warmth, candor, and professionalism,” and praise her as “an excellent mediator, one of the best.”
Before joining JAMS, Ms. Lange was ADR Director for the U.S. District Court, Northern District of California, where she mediated and evaluated hundreds of cases and supervised a sophisticated panel of 250 federal court neutrals. In the first 20 years of her legal career, Ms. Lange clerked for federal judges and worked at a global law firm, a commercial litigation boutique, and for local government and nonprofit organizations.
ADR Experience and Qualifications
- Exclusive ADR practice since 2015
- Fellow of the Chartered Institute of Arbitrators
- Associate to the College of Commercial Arbitrators
- American Health Law Association Panel (arbitrator and mediator)
- Experience as a neutral across a wide range of subject matter areas, including administrative law, antitrust, business torts, cannabis, civil rights, class action, consumer and unfair competition laws, constitutional law, construction defects, contracts, copyright, cybersecurity and privacy, debt collection, disability law, education law, elder abuse, employment law, environmental law, ERISA, false advertising, family law, franchise law, government/public agency law, health care and health systems, higher education/Title IX, housing law, immigration law, insurance, labor relations, land use, maritime law, mortgage foreclosure, Native American/Indian/Tribal law, partnership dissolution, personal injury, product liability, public agency law, qui tam/False Claims Act, real estate, telecommunications, trade secrets, trademark and utilities law
- Extensive teaching of dispute resolution skills, ethics and best practices to judiciary, attorneys, and law students
Representative Matters
Ms. Lange was the mediator or the arbitrator in all matters listed below unless otherwise noted.
Business Commercial
- Antitrust, breach of contract, dissolution of partnership or joint venture, accounting, franchise, securities fraud, software performance, and crypto-blockchain-related disputes
- Unfair competition, false advertising, Lanham Act, and California Business and Professions Code §§ 17200 & 17500 claims
- Financial services industry matters, including between financial institutions
- Complex commercial, business and public law litigation, including inter-governmental controversies, public policy disputes, and challenges to federal, state and local regulations
- Consumer disputes including cyberpiracy under Anti-cybersquatting Consumer Protection Act (ACPA), Fair Debt Collection Practices Act (FDCPA) and Fair Credit Reporting Act (FCRA)
- Food litigation, including disputes over product labeling, consumer fraud, FDA and state and local regulations, and preemption defenses (as counsel)
Civil Rights
Disability
- Individual and class-action disability access discrimination cases under Title III of the Americans with Disabilities Act (ADA), Section 504 of the Rehabilitation Act and California laws, including claims seeking equal access to stadium, hospitals, doctors, dentists, movie theaters, websites, apps, hotels, restaurants, stores, salons, housing and other programs and places of public accommodation
- Title II disability access cases against public entities, including regional transit agency systems for securing mobility devices and state court for access to Communication Access RealTime Translation (CART) services
- Cases involving service animals, including in restaurants, stores, hospitals and lodging
- Disputes over whether modification of existing facilities was readily achievable
- Disputes over reasonableness of requested accommodations
- Interpreter services for deaf and hard-of-hearing participants at large, multi-day festival
- Housing and employment discrimination claims based on disability (as counsel)
Equal Protection/Due Process/Privacy
- Disputes over privacy breaches
- Challenge to removal of children from parental custody as violation of constitutional rights to familial association, privacy and due process
- Litigation involving domestic partnership, marriage and other family relationship protections for same-sex couples and their children, including California Marriage Cases and initial challenge to Proposition 8 (as counsel)
- Counsel of record on successful petition for certiorari in companion case to Lawrence v. Texas involving discriminatory “Romeo and Juliet” law (as counsel)
First Amendment Speech and Religion Clauses
- Defamation claims and associated defenses
- First Amendment and Religious Land Use and Institutionalized Persons Act (RLUIPA) challenge to application of zoning regulations that discriminated between religious and non-religious assemblies in downtown area
- Action by religious club and high school students against school district under Equal Access Act, First Amendment Speech Clause (viewpoint discrimination and right to expressive association), Free Exercise Clause (including targeting religious beliefs and denominational discrimination) and Equal Protection Clause
- Disability, unfair competition and religious freedom challenge to COVID-19 mask requirement at grocery store
Fair Housing Act
- Challenge under FHA to alleged disability discrimination, exposure to secondhand smoke and breach of rental agreement
- Claims under FHA for discrimination based on HIV status, disability and religion (as counsel)
Police Practices and Detention Conditions
- Excessive force cases involving injury or death, including disputes over use of batons, tasers, handcuffs, guns and/or restraint positions (e.g., claims of positional asphyxiation)
- Claims regarding police response to mentally ill and/or drug-involved claimants or decedents
- Fourth Amendment search and seizure claims
- Monell policy and practice claims
- Harassment and discrimination claims by unhoused/homeless resident against police
- Eighth Amendment and other claims concerning detention conditions, solitary confinement and medical care (as neutral and as counsel)
Class Action & Mass Tort
- Representative, collective and class action wage and hour claims under California’s Private Attorneys General Act (PAGA) and/or Fair Labor Standards Act (FLSA), including regarding hourly rates, overtime pay, rest and lunch breaks, and working off the clock
- Class action involving patient discharge procedures and allegations of “patient dumping” at skilled nursing facilities
- Class action by blind and low-vision plaintiffs and nonprofit organization regarding access to assistive listening devices in movie theaters
- Claims of misclassification of employees as independent contractors
- Class action regarding classification of taxicab drivers as independent contractors (as counsel)
- Public entity § 17500 action challenging false advertising of allegedly dangerous pharmaceutical (as counsel)
Education Law
- Claims for violation of Individuals with Disabilities in Education Act (IDEA), including administrative appeals, attorneys’ fees disputes and claims for compensatory education
- Student rights cases under Equal Access Act and First Amendment, including heckler’s veto issues (as counsel and as neutral)
Employment Law
- Claims of discrimination, harassment, hostile work environment, failure to promote, demotion, wage and hour violations, and/or wrongful termination allegedly based on age, race, gender, national origin, sexual orientation, gender identity and/or disability under federal laws and state laws, including Title VII, Age Discrimination in Employment Act, Pregnancy Discrimination Act, Fair Pay Act and California’s Fair Employment and Housing Act (FEHA)
- Failure to provide reasonable accommodations and/or engage in interactive process with employee under ADA and state disability laws
- Whistleblower cases under California Labor Code § 1102.5 and federal laws
- Compensation disputes, including commission-based and wrongful termination claims under Massachusetts Wage Act
- Claims by labor union against private organization for unfair business practices and interference with collective bargaining agreement and prospective economic advantage of union members
- Claim against employer for delaying access to medical care by allegedly pressuring employee to continue working and for termination allegedly based on resulting disability
- Scope of preemption under the Labor Management Relations Act (LMRA)
- Age and gender discrimination claims for making occasional employee ineligible to serve as deckhand following report of safety concerns
- Employment dispute resolution coordinator for U.S. District Court (including responsibility for investigation and preparation of findings of fact and conclusions of law)
- Employment discrimination, harassment, wrongful termination and whistleblower cases (as counsel)
- Employment dispute resolution coordinator for federal court, responsible for informal dispute resolution, formal investigations, and preparing findings of fact and conclusions of law (as court ADR Director)
Environmental Law
- Multi-party, coordinated cases involving California Environmental Quality Act (CEQA), National Environmental Protection Act (NEPA), Endangered Species Act (ESA), Federal Emergency Management Agency (FEMA) funding and other claims arising from disputes over regional fire mitigation strategies, environmental impact report legitimacy and funding
- Administrative Procedure Act (APA) action to void FEMA pre-disaster mitigation funding
APA and Magnuson-Stevens Act challenge to National Marine Fisheries Service (NMFS) determinations limiting total catch and setting cap on market share - Inter-agency litigation under APA challenging planned action as violation of Coastal Zone Management Act (CZMA) and Clean Water Act (CWA)
- ESA litigation regarding development of vineyard, critical habitat and conservation plan
- Point source discharge litigation under CWA and National Pollutant Discharge Elimination System (NPDES) permit program
- Public nuisance action by counties and cities against manufacturers of lead paint (as counsel)
ERISA
- Short- and long-term disability insurance coverage disputes (STD and LTD)
- Disputes over coverage by ERISA health for inpatient substance abuse treatment and for care disputed as experimental\
- Disputes over mandatory contributions to disability, health and pension plans
- Employer withdrawal liability disputes
- Claims of breach of fiduciary duty
- Claim for accidental death benefits and associated defense of exclusion for intoxication
- Class action challenging calculation of benefits (as supervisor of neutral)
False Claims Act
- Qui tam cases alleging false claims and/or reverse-false claims made in connection with funding of education, health care, and federal, state and local governmental programs (as neutral and as counsel)
- Whistleblower retaliation under False Claims Act (FCA) and California FCA
Health Care
- Patient and managed health care provider claims for reimbursement for medical services, including matters regarding “reasonable and customary” rates
- Claims against skilled nursing facilities, including associated issues regarding piercing corporate veil
- Claims by hospitals against public agencies challenging audit findings
- Management of complex federal compliance analysis for health and hospital system (as counsel)
- Litigation regarding HRSA 340B drug pricing program reimbursement rates and associated pharmacy benefit manager (PBM) formulary analysis (as counsel)
- Challenge to disallowance by California Controller of mental health care reimbursements (as counsel)
- Challenge to Medi-Cal refusal to cover inpatient psychiatric hospital care for youth in detention (as counsel)
- Challenge to false advertising of pharmaceutical drug (as counsel)
Insurance
- Coverage disputes, including in underlying cases with and without Cumis counsel
- Claims of bad faith denial of coverage and/or refusal to defend
- Claims in excess of policy limits and claims between insurers, including excess and reinsurers
- Interpleader actions involving disputes among family members over allocation of benefits from insurance policies
- Claim for fraudulent or negligent failure to bind additional coverage and associated dispute over valuation
- Dispute over coverage where injured party allegedly had not exhausted underinsured motorist policy limits
- Insurer subrogation action to recover for extensive water damage allegedly caused by defective design of faucet
- Complex insurance coverage disputes involving high-value underlying claims and excess coverage, including environmental cleanup costs under Comprehensive Environmental Response, Compensation and Liability Act (CERCLA) (as counsel)
Intellectual Property
- Trademark and trade dress litigation, including disputes over infringement, invalidity and false designation of origin across various products and businesses (e.g., wine, construction and design materials, footwear and website/labeling/advertising "look and feel")
- Copyright infringement actions involving source code, photos, textbooks
- Trade secrets cases, including disputes over allegedly stolen code, client lists, business plans and other confidential information and claims brought jointly against former employees and their new employers
- Patent and licensing disputes (as counsel and as supervisor of neutrals)
Maritime Admiralty
- Wrongful death action involving claims of gross and simple negligence and infliction of emotional distress during commercial recreational activity in shallow water
- Jones Act, damaged cargo and other federal maritime matters (as supervisor of neutrals)
American Indian Tribal Law
- Fishing rights dispute between Native American tribes and individuals, and associated issues concerning tribal membership, sovereignty and impact of Congressional action on tribal rights
Personal Injury
- Wrongful death and catastrophic personal injury claims, including § 1983, maritime, and premises liability
- Elder abuse litigation in various contexts, including claims of mortgage fraud by professionals and banks, claims against family members, and allegations of murder
- Claims of various forms of abuse by psychologist, religious leaders and employers
- Spinal fracture following mobility device tip-over fall on damaged surface of ramp to restaurant
- Claims of failure to maintain business premises in safe condition; e.g., slip-and-fall cases, including matters focused on policies for routine safety checks in store aisles
Real Property
- Residential mortgage/foreclosure cases, including requests for loan modification, disputes regarding primary residence, claims of elder abuse, etc.
- High-value long-term commercial leases, deed transfers and franchise agreements
- Dispute between siblings over private loan secured by residential property
- Action for specific performance of residential purchase agreement
- Landlord/tenant eviction, habitability, Section 8 and other disputes
Tamara Lange
Tamara Lange FCIArb | Mediator | Arbitrator | Court-Appointed Neutral (Referee/Special Master)
Honors, Memberships, and Professional Activities
Bar Memberships
- State Bar of California (1995)
- Supreme Court of the United States
- Ninth Circuit Court of Appeals
- Eighth Circuit Court of Appeals
- U.S. District Court for the Northern District of California
- U.S. District Court for the Central District of California
Professional Associations
- Chartered Institute of Arbitrators, Fellow - 2024-2026
- College of Commercial Arbitrators, Associate - 2024-2026
- American Health Law Association (AHLA) Panel, Arbitrator and Mediator - 2025-2026
- CalArb - 2024-2026
- Federal Bar Association (FBA) - 2024-2026
- Northern District of California Federal Practice Program, Board of Directors - 2025-2026
- California Society for Health Care Attorneys (CSHA) - 2024-2026
- California Lawyers Association (CLA) - 2024-2026
Selected Teaching/Training Engagements
- Faculty, Early Neutral Evaluation (ENE) and Mediator Trainings, Northern District of California ADR Program, 2024
- Lecturer, Mediation Advocacy and Negotiations, UC Berkeley School of Law (10 years)
- Judicial Education Seminar on Settlement Skills (with Chief Circuit Mediator Stephen Liacouras, hosted by Hon. Elaine Lu and Hon. Mark Young), Los Angeles Superior Court
- Advanced Settlement Skills (with Chief Circuit Mediator Stephen Liacouras and Riverside County Superior Court Judge Kira Klatchko), Civil Justice Institute, California Center for Judicial Education and Research
- Faculty, Promoting Civil Discourse, Justice Anthony M. Kennedy Library and Learning Center
- Mediation Skills for Judges, Ninth Circuit Judicial Conference
- 15th Annual Mediation & Advocacy Skills Institute, Pepperdine University, ABA
- Restorative Practices in Mediation, Dispute Resolution Section Conference, ABA
- U.S. District Court for the Northern District of California, extensive teaching and training of 250+ senior attorneys and former judges serving as mediators and evaluators
Selected Speaking Engagements & Articles
- “Court ADR Programs in the U.S.,” International Mediation Development & Leadership Institute, UC Law San Francisco - 2022-2025
- "Mediators & Arbitrators Discuss Hot Topics in IP," Alameda County Bar Association, September 2024
- "Ethics in Mediation," ACBA Labor & Employment Symposium, September 2024
- "Gender & Mediator Selection," San Francisco Trial Lawyers Association, August 2024
- "Mood, Mirror Neurons, True Empathy, and Attention," Central District of California Mediator Training, May 2024
- "Mediation, Arbitration, Peacemaking, and JAMS Pathways - Tools for Resolving Indian Law, Business, and Environmental Dispute," National Native American Bar Association (NNABA), April 2024
- "ADR in the Northern District of California and Use of Pro Bono Counsel for Limited Purpose," 2023 Southern District of California Judicial Conference, April 2023
"Online ADR - A Court’s Response," The Mediation Society - "ADR Workshop on Anatomy of a Court-Connected ADR Program and Teaching in Reflective Mediation Practice Groups," Weinstein JAMS International Fellowship Program (annually)
- "Determining Which Law Governs Mediation" (with JAMS colleague Rod Thompson), California Lawyers’ Association
- "Effective Presentation at Zoom Mediations and Settlement Conferences" (with federal magistrate judges), Federal Bar Association
- "ADA Litigation," Civil Justice Summit, Northern District Practice Program
- "Use of ADR in Intellectual Property and Related Disputes," Association of Southeast Asian Nations (ASEAN)
- "Potential Uses of ADR in the Field of Intellectual Property Rights," Asia-Pacific Economic Cooperation (APEC)/U.S. Patent & Trademark Office (USPTO)
- Co-Author, “Competencies for Federal Mediators” guidebook for the Federal Judicial Center
Background and Education
- ADR Director, ADR Counsel and Mediator; U.S. District Court for the Northern District of California, 2015–2023
- Mediator and Litigation & Policy Consultant, Lange Law & Mediation, 2011–2015
- Senior Attorney, National Center for Youth Law, 2013–2014
- Lead Deputy County Counsel, Office of the County Counsel, Santa Clara County, 2008–2010
- Senior Staff Attorney, LGBT and HIV Project, American Civil Liberties Union, 2001–2007
- Litigation Associate, Caldwell Leslie Newcomb & Pettit, 1998–1999 and 2000–2001
- Law Clerk, Ninth Circuit Court of Appeals, Hon. William A. Fletcher, 1999
- Law Clerk, U.S. District Court for the Central District of California, Hon. Richard A. Paez, 1996–1998
- Litigation Associate, Heller Ehrman White & McAuliffe, 1995–1996
- J.D., Order of the Coif, UC Berkeley School of Law, 1995
- Bachelor of Arts and Sciences, cum laude, Cornell University, 1990
- College Scholar: Science, Human Rights and Social Institutions
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