Department profile
Rule Garza Howley LLP

Antitrust

USA Guide 2026 : District of Columbia


Rule Garza Howley LLP

Rankings

About

Provided by Rule Garza Howley LLP

Rule Garza Howley LLP is an antitrust boutique founded in March 2022 to address the surge in antitrust enforcement.  The diverse group of attorneys come from top corporate firms and in-house positions and are solely focused on providing sophisticated antitrust advice to clients on critical M&A, government investigations, and litigation.

Rule Garza Howley LLP provides sophisticated antitrust advice and representation, drawing on a proven track record of more than four decades of successful outcomes with the DOJ, FTC, and their foreign counterparts. With more than $1 trillion in collective deal experience, the firm’s attorneys have unparalleled insight into current antitrust enforcement priorities and a unique ability to provide commercially savvy antitrust representation for critical M&A, government investigations, and litigation.

In an era of enhanced antitrust enforcement and new theories of liability, Rule Garza Howley LLP offers a level of know-how not easily rivaled. For years, the firm’s lawyers have been entrusted by multinational clients with many of the highest-profile antitrust matters. The firm’s lawyers previously have led the DOJ’s Antitrust Division as well as the antitrust practices at some of the country’s most elite large law firms. From the boardroom to the government agencies to the courtroom, Rule Garza Howley LLP provides antitrust counsel that is nimble, responsive, and intensely client focused.

Industries (7)

  • Insurance and underwriting
  • Healthcare (facilities and practices)
  • Airlines
  • Aerospace
  • Professional Sports
  • Defense
  • Construction Materials

Chambers Review

Provided by Chambers

Antitrust - District of Columbia

Band 4

Band 4


What the Team is Known For

Rule Garza Howley LLP is a well-regarded antitrust boutique home to a bench of longstanding attorneys. Well placed to advise on the gamut of issues from M&A to litigation. Supports clients from a range of industries including energy and technology.

Work Highlights

Provided by Chambers

  • Rule Garza Howley LLP defended Express Scripts in an FTC lawsuit alleging the company artificially inflated insulin prices.

Strengths

Provided by Chambers

  • The firm is knowledgeable and expert in antitrust law, with an incredible network of connections.

    Antitrust respondentUSA
  • The attorneys are extremely responsive and quick. They have strong expertise and are very knowledgeable on the rapid changes.

    Antitrust respondentUSA
  • The firm has a strong depth of experience and a strong sense of the latest developments in antitrust enforcement. The team gives proactive advice and are business-minded.

    Antitrust respondentUSA
  • Rule Garza provides exceptional value from its partners through the ranks of its counsel and associates. The team has strong insights into the regulators and crafts messaging that delivers for its clients and resonates with decision-makers.

    Antitrust respondentUSA
  • The Rule Garza Howley team were very practical and exceptionally knowledgeable in the law and the regulatory environment. They had exceptional depth of knowledge and responsiveness.

    Antitrust respondentUSA

Notable Practitioners

Provided by Chambers

  • Band 2Charles F Rule
    Band 2Charles F Rule

    Charles F Rule

    Charles Rule has a wide-ranging antitrust practice covering high-stakes merger clearance proceedings, antitrust investigations and civil litigation.
    • He is very helpful for high-level strategic advice in the antitrust space.

      Antitrust respondentUSA
    • Rick is committed to thinking strategically for his clients. His ability to see how business realities will play out against a regulatory landscape is an asset to his clients.

      Antitrust respondentUSA
    • Rick is a great thought partner.

      Antitrust respondentUSA
  • Band 3Deborah A Garza
    Band 3Deborah A Garza

    Deborah A Garza

    Deborah Garza manages a broad range of antitrust issues including merger review and high-stakes litigation. Her practice is bolstered by her prior governmental experience.

    • Deborah is absolutely extraordinary. She is phenomenal in court and exhibits so many great skills in her work.

      Antitrust respondentUSA

Ranked Individuals at Rule Garza Howley LLP (2)

District of Columbia

Members

Provided by Rule Garza Howley LLP

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