Mark R. Phillips

Founding Partner

Mark Phillips is an experienced litigator in individual and class action cases, with particular emphasis on employment law, health care law, commercial litigation, and appeals in both state and federal courts. Mark represents employees and employers in litigation of wage disputes, wrongful termination, and claims for harassment, retaliation, defamation, and discrimination based on race, national origin, sex, gender, sexual orientation, age, religion, and disability. He also represents clients before administrative agencies such as the California Fair Employment and Housing Commission, the California Department of Industrial Relations, and the Equal Employment Opportunity Commission.

Mark also counsels employers on employment law and human resource matters, including employment policies, medical and other leave policies and practices, wage and hour compliance, the interactive process for reasonable accommodation of disabilities, and other employment matters. 

As a commercial litigator, Mark represents clients in cases involving trade secrets, false advertising claims, commercial breach of contract, fraud, and unfair business and competition.  Mark is also experienced in leading internal investigations regarding employment and health care matters. 

Before forming Seals Phillips LLP, Mark was a partner at the international law firm Reed Smith LLP, and was previously a partner at Arent Fox LLP.  He is a graduate of the Indiana University's Maurer School of Law, and is admitted to practice before the 9th Circuit Court of Appeals; the United States Court of Federal Claims; the United States District Courts for the Central, Northern, Eastern, and Southern Districts of California, and all California state courts.

Contact me: [email protected]


Your constitutional rights are our greatest concern. California's anti-SLAPP law protects individuals who are sued for exercising their constitutional rights, and the Law Offices of Collin Seals has nearly a decade of successes representing both individuals and corporations in this vibrant and constantly changing area of the law.


We know that litigation can be intimidating, even for those who have experienced it before. The Law Offices of Collin Seals provides personalized, hands-on representation to steer you through the process to a successful conclusion. With effective communication and expert advice, we lift the burdens and provide you with top quality legal advice throughout your case.