Dylan Ballard > Vinson & Elkins LLP > San Francisco, United States > Lawyer Profile

Vinson & Elkins LLP
SUITE 2000
United States

Work Department



Dylan is a trial lawyer who focuses on litigating antitrust and competition cases arising under the federal Sherman and Clayton Acts, as well as state antitrust, consumer protection, and unfair competition statutes. He has more than a decade of experience successfully resolving every variety of antitrust and competition matter, from government investigations, to criminal prosecutions and government enforcement actions against businesses and individuals, to class actions and other private civil actions. His practice encompasses matters civil and criminal, state and federal, before both trial and appellate courts, as well as various international arbitration tribunals. He also routinely counsels businesses on antitrust risks and best practices for avoiding them.

Dylan has served as counsel in some of the largest and most complex antitrust cases of all time. He has successfully represented key defendants in major government cartel investigations, federal criminal prosecutions, state Attorney General actions, and multi-district class actions involving dealer management software, canned tuna, DRAM, SRAM, and flash memory chips, automotive parts, LCD panels, cathode ray tubes, lithium-ion batteries, and many other industries. He frequently represents companies, as both plaintiffs and defendants, in lawsuits brought by competitors or customers alleging conspiratorial conduct or unlawful monopolization.

Dylan also has extensive experience in the area of overlap between antitrust and intellectual property laws, including cutting-edge antitrust and competition issues arising from the use and licensing of standard-essential patents. His work often involves international issues requiring close collaboration with clients and counsel located around the world.


  • University of California, Hastings, J.D., 2007, Hastings Law Journal
  • University of California, Santa Barbara, B.S. with highest honors, 2003

Lawyer Rankings

United States > Antitrust > Civil litigation/class actions: defense

With a strong foothold in the chemicals, agriculture, and heavy industry sectors, Vinson & Elkins LLP’s antitrust practice stands out for its strong track record advising its clients in large multidistrict litigations and class actions. Key names in the team include practice co-head Craig Seebald, in Washington DC, who also co-heads the firm’s litigation and regulatory offering, and antitrust co-heads Hill Wellford, a former Antitrust Division trial lawyer, and Jason Powers, based in Washington DC and Houston, respectively. Seebald’s broad practice focuses on defending multinational corporations in cartel and price-fixing investigations and subsequent follow-on litigation, while Powers has particular expertise in the energy and oil and gas industries. Washington DC’s Stephen Medlock is a key contact for multidistrict class actions alleging monopolization and has notable experience acting on both the plaintiff’s and defendant’s sides. In San Francisco, Dylan Ballard and Mike Scarborough handle Sherman and Clayton Act cases and competitor-on-competitor litigation, respectively.

United States > Antitrust > Cartel

With considerable growth in recent years, Vinson & Elkins LLP is highlighted by clients for offering ‘years of experience and great teamwork’, and is well placed to handle a varied caseload for clients from industries such as technology, automotive, airline, financial services and transportation. Hill Wellford and Houston-based Jason Powers jointly head the group, with Wellford acting in many of the firm’s international mandates, and Powers offering a specialism in energy-related matters. Craig Seebald co-leads the firm’s litigation and regulatory practice, with his capabilities encompassing multijurisdictional cartel investigations and follow-on litigation. Darren Tucker specializes in investigations in the technology, energy and pharmaceutical sectors. In San Francisco, Michael Scarborough and Dylan Ballard are experienced trial lawyers, who frequently represent domestic and international clients in proceedings involving federal and state enforcement agencies. Unless stated otherwise, mentioned lawyers are based in Washington DC.

United States > Antitrust > Merger control

Fielding a strong team, praised for its ‘great expertise’, Vinson & Elkins LLP is routinely involved in complex and high-profile clearances across highly scrutinized sectors such as energy, tech, chemicals, and pharma. The team was strengthened by the arrival of Michael Scarborough and Dylan Ballard who have expanded the firm’s merger-related investigations and litigation work in San Francisco, while Kara Kuritz reinforces the firm’s DOJ and FTC expertise. As well as handling major US clearances, related investigations, and litigation, the firm is also adept at handling cross-border mandates. Co-head Hill Wellford handles HSR filings, government investigations, and litigation for clients in a range of industries, while fellow co-head Jason Powers specializes in energy related litigation. Darren Tucker regularly handles transactions in the tech, energy, and pharma sectors, and counsel Evan Miller is noted for his expertise in government investigations, HSR filings, and civil litigation.