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William Markham

William Markham

  • Antitrust Law, Appeals & Appellate, Business Law ...
  • California, District of Columbia
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William Markham received his law degree from Harvard Law School in 1987 and has practiced law in California for the past thirty-one years. He is an accomplished, successful trial attorney who has tried dozens of matters, including several significant matters. He has obtained jury verdicts and bench verdicts in difficult trials of highly contentious matters. He has also handled several appeals that arose from his trial work, obtaining a reversal of a dismissal and various affirmances of his pre-trial and trial work.

Mr. Markham devotes most of his practice to litigation, particularly the litigation of claims for antitrust offenses, false advertising, trademark offenses (including counterfeiting) patent misuse, and certain kinds of real estate litigation.

Mr. Markham has also provides antitrust counseling to certain major clients, which have included the world's largest manufacturer of LED components, a global manufacturer of automobiles, the world's leading manufacturer of pulse oximetry equipment, and others.

Mr. Markham has frequently appeared in various media, including Bloomberg TV, the New York Times, the Los Angeles Times, ESPN, NBC-San Diego, Univision, and others. He has been listed since 2013 as a "Superlawyer" in antitrust law for the San Diego region at and has the highest possible rating (suberb, 10.0) from, the attorney rating service. He has also received various other public honors.

Mr. Markham is completely bilingual in English and French and also speaks Spanish fluently.

You can reach him directly at

Practice Areas
Antitrust Law
Appeals & Appellate
Civil Appeals, Federal Appeals
Business Law
Business Contracts, Business Dissolution, Business Finance, Business Formation, Business Litigation, Franchising, Mergers & Acquisitions, Partnership & Shareholder Disputes
Trademark Litigation, Trademark Registration
Additional Practice Area
  • False Advertising (Competitor Claims)
  • Free Consultation
    Mr. Markham sometimes gives free consultations and decides in his own discretion whether to do so after reading a short summary of the prospective client's matter.
  • Credit Cards Accepted
  • Contingent Fees
    Mr. Markham's firm sometimes accepts contingency fee arrangements and other kind of alternative fee arrangements.
Jurisdictions Admitted to Practice
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District of Columbia
District of Columbia Bar
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  • English: Spoken, Written
  • French: Spoken, Written
  • Spanish: Spoken, Written
Professional Experience
- Current
Maldonado & Markham, LLP
Markham & Associates
Mr. Markham took a sabbatical during part of 2001 in order to "follow the sea," which has been one of his great passions.
Law Offices of William Markham
Associate attorney
Coudert Brothers LLP
Mr. Markham worked as a litigation associate and worked on major antitrust cases, writing complaints, drafting and opposing motions, working on discovery, and working on a trial team in one of these cases.
Summer clerk
Ogilvy, Renault (Montréal, Québec)
Mr. Markham worked as a summer clerk in the Competition Law Group of one of Canada's most prestigious law firms.
Harvard Law School
J.D. (1987) | Law
Activities: Editor and then Associate Editor of the Harvard International Law Journal
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University of California - Santa Barbara
B.A. (1984) | Political Science
Honors: Graduated with Highest Honors and Special Honors in Political Science
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Semi-Finalist for Best Intellectual Property Litigator
San Diego Daily Transcript
Super Lawyer and Super Lawyers Magazine
Recognized since 2013 as a Super Lawyer in antitrust law for the Greater San Diego Metropolitan Area
Semi-Finalist for Best Business Litigator
San Diego Daily Transcript
Named in 2006, 2007, 2011 and 2012
Semi-Finalist for “Best Business Litigator”
The San Diego Daily Transcript
2006, 2007, 2011 and 2012
Best Real Estate Attorneys
San Diego Metro Magazine
2011 and 2012
Semi-Finalist for "Best Real Estate Litigator"
The San Diego Daily Transcript
Professional Associations
California Bar Association
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District of Columbia Bar Association
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Bar Association of San Diego County
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The French-American Chamber of Commerce (San Diego County)
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Articles & Publications
An Overview of Antitrust Law
The Reach of Antitrust Law
Foreclosure Law in California
Making Sense of the Rules of Evidence and Presenting Your Evidence at Trial
Unlawful Price Discrimination: An Obscure, Occasionally Useful Antitrust Doctrine
Anatomy of a Lawsuit
How to Litigate a Lawsuit
Resolving Complex Accounting Issues
Why Antitrust Laws Matter?
An Overview of Contract Law
Partnerships and Limited Liability Companies
Websites & Blogs
Primary Website
Markham Law
Contact & Map
Main Office
402 West Broadway
Suite 400
San Diego, CA 92101
Telephone: (619) 221-4400
Fax: (619) 224-3974
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