Practice Areas

We represent plaintiffs and defendants in federal and state courts throughout the United States, and handle most types of civil litigation, ranging from “bet the company” litigation to discrete issues and disputes.

Complex Business Disputes

  • Breach Of Contract
  • Software Implementation Disputes
  • Fraud
  • M&A Litigation
  • Business Torts
  • Insurance Coverage
  • Professional Liability
  • Antitrust
  • Unfair Competition
  • Crisis Litigation/trial Substitution

Employee Mobility & Startup Litigation

  • Employment Litigation
  • Employee Onboarding
  • Founders’ Disputes
  • Non-compete And Non-solicit Agreements
  • Confidential Business Information
  • Investor Disputes
  • Labor & Employment Litigation And Counseling
  • Employment Litigation Compliance


  • Trade Secret Misappropriation
  • Royalty Disputes
  • Copyright Litigation
  • Other IP Rights
  • Computer Fraud And Abuse Act
  • Trademark litigation

Business Contingency

Lewis & Llewellyn is proud to stand shoulder-to-shoulder with its clients by entering into contingency fee arrangements that ensure the firm only gets paid when our clients win.

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Lewis & Llewellyn also fights tirelessly on behalf of survivors of sexual abuse.

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Our Clients

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601 Montgomery Street, Suite 2000, San Francisco, CA 94111