Sean P. Gates

Attorney Profile

Top Rated Antitrust Litigation Attorney in Pasadena, CA

Charis Lex P.C.
 | 301 N Lake Ave, Suite 1100
Pasadena, CA 91101
Phone: 626-999-2057
Fax: 626-508-1730
Selected To Super Lawyers: 2012 - 2021
Licensed Since: 1996
Practice Areas:
  • Antitrust Litigation (60%),
  • Business Litigation (40%)
    Attorney Profile

    Attorney Sean P. Gates is the president and founder of Charis Lex P.C., in Pasadena, California. Mr. Gates practices antitrust and business law, litigating matters on behalf of clients in Pasadena and Los Angeles. He opened Charis Lex P.C. in 2016, after spending two decades as an associate and partner at national law firms.

    Mr. Gates has more than 20 years of litigation experience. Over his career, he has tried cases involving issues such as fraudulent conveyance, patent infringement and trade secrets. He has a substantial amount of experience in the area of antitrust and is a past deputy director at the Federal Trade Commission.

    In addition to running his Charis Lex P.C., Mr. Gates authors and lectures on various legal topics. He is a member of the American Bar Association’s antitrust law section, a former nongovernmental advisor for the International Competition Network and previously taught mock trial advocacy at the Georgetown Law.

    Honored for his accomplishments, California Lawyer magazine named Mr. Gates “attorney of the year.” Before deciding to pursue a legal career, he served in the U.S. National Guard for several years, and worked as a development engineer and project engineer at private companies.

    Mr. Gates received a bachelor’s degree from the University of California, Berkeley, and earned his law degree from the University of California Hastings College of the Law. He is also a graduate of the American Board of Trial Advocates National Trial College. He acquired his license to practice law in all California state courts in 1995.

    Practice Areas
    • 60%Antitrust Litigation
    • 40%Business Litigation
    Focus Areas

    Antitrust & Trade Litigation, Trade Secret, Non-Compete Agreements


    Selected to Super Lawyers for 10 yearsbottom-image

    Super Lawyers: 2012 - 2021

    Email Me

    To: Sean P. Gates
    Super Lawyers: Potential Client Inquiry

    About Sean Gates

    Admitted: 1996, California

    Professional Webpage:


    • Service Award for my work at the FTC.
    • Mr. Gates was honored in 2011 as an Attorney of the Year by California Lawyer for his work on behalf of inner-city students in the Los Angeles Unified School District (LAUSD). The CLAY Awards are given to attorneys whose achievements have had a significant impact. Mr. Gates received the Distinguished Service Award from the Federal Trade Commission.
    • Southern California Super Lawyers, “real trial lawyer.”

    Bar/Professional Activity:

    • In recognition of his commitment to and expertise in antitrust law, Mr. Gates serves as a non-governmental advisor to the International Competition Network, in which competition authorities from over 100 countries work to address antitrust enforcement and policy issues. Mr. Gates has also served in a number of leadership positions in the American Bar Association Section of Antitrust Law, including Vice Chair of the Unilateral Conduct Committee and the Intellectual Property Committee. He also served as Chair of the Editorial Board for the ABA's Antitrust Law Developments 2008.

    Pro bono/Community Service:

    • Mr. Gates has been active in litigation concerning educational issues. He was co-lead counsel in Reed v. State, in which he obtained a preliminary injunction stopping teacher layoffs at three inner-city Los Angeles schools to protected students' constitutional rights to equal educational opportunity and won approval of a contested settlement that protects up to 45 inner-city schools from teacher layoffs. Mr. Gates also represented amicus in In re Rachel L., in which the California Court of Appeal affirmed the right of California parents to homeschool their children.

    Scholarly Lectures/Writings:

    • Editor-in-Chief, Handbook On The Antitrust Aspects Of Standards Setting (ABA 2010)Evidence for Homeschooling: Constitutional Analysis in Light of Social Science Research, 16 Widener L. Rev. 63 (2010) (co-author) Antitrust and Rebates: A Study in Analogies, SSRN Working Paper (Nov. 2009)U.S. and EC Enforcers Converge on Pharmaceutical Patent Settlements, BNA Pharmaceutical Law & Industry (Aug. 2009) (w/ J. Jaeckel and D. Beteta) Pharmaceutical Patent Settlements Under Fire on Both Sides of the Atlantic, EuroWatch (July 2009) (w/ J. Jaeckel and D. Beteta) Obama's Antitrust Enforcers: What Can We Expect?, The Antitrust Source (Apr. 2009)  Antitrust Enforcement: Against the Grain, Legal Week (Apr. 2009) (w/ T. Srimushnam)The FTC's New Enforcer, S.F. Daily Journal (Apr. 2009) (w/ M. Sikes)A New Direction?, The Deal (Feb. 2009) (w/ T. Srimushnam)New Directions in Antitrust Enforcement, Obama Appoints Christine Varney to Head DOJ Antitrust Division, G2 Compliance Report (Mar. 2008) (w/ T. Srimushnam)Early Look at Obama's Antitrust Enforcement Agenda, N. American Free Trade & Investment Report (Jan. 2009) (w/ T. Srimushnam)An Innovation Based Road Map for Legal Reform, Book Review, The Antitrust Source (Feb. 2010)Standard Setting: Is Your IP at Risk? The FTC “Clarifies” the Law, 3 Bloomberg Corp. L.J. 208 (2008)The DOJ Section 2 Report: It All Depends on Your Priors, Global Comp. Policy (Oct. 2008)Cephalon: The FTC’s Shot at Reverse Payments, Competition Law360 (Feb. 2008) Editor-in-Chief, Intellectual Property And Antitrust Handbook (ABA 2007) Chapter Author, Handbook On The Antitrust Aspects Of Standards Setting (ABA 2004)Antitrust Counselor’s Guide to Most-Favored-Nations Clauses, 10 Competition 54 (2001)Standards, Innovation, and Antitrust: Integrating Innovation Concerns Into the Analysis of Collaborative Standard Setting, 47 Emory L.J. 583 (1998)California Antitrust: Standing Room for the Wrongfully Discharged Employee?, 47 Hast. L.J. 509 (1996)


    • In the Matter of Realcomp II Ltd., FTC Dkt No. 9320. Mr. Gates served as lead trial counsel for the FTC in this challenge to real estate broker joint venture. The full Commission found that respondent violated the antitrust laws. In re Union Oil Company of California, FTC Dkt. No. 9305.  Mr. Gates served as one of the trial counsel for the FTC in this precedent-setting monopolization case involving patents and standard-setting issues in the regulation of gasoline. After a 43-day trial and post-trial briefing, the FTC obtained complete relief through a consent decree. In re Rambus Inc., FTC Dkt. No. 9302. Mr. Gates served as one of the trial counsel for the respondent in this monopolization case involving patents in the context of a private standard-setting organization. After a 54-day trial, the Administrative Law Judge ruled in favor of the respondent, dismissing all of the Commission’s claims. 

    Educational Background:

    • University of California, Hastings College of the Law (J.D., summa cum laude, 1996)
    • University of California, Berkeley (B.S., 1989) 
    Find Me Online
    Show More
    Office Location for Sean P. Gates

    301 N Lake Ave
    Suite 1100
    Pasadena, CA 91101

    Phone: 626-999-2057

    Fax: 626-508-1730

    Sean P. Gates:

    Last Updated: 7/27/2020

    Page Generated: 0.33289408683777 sec