Mike's practice focuses on advising clients concerning antitrust and competition law, and intellectual property issues, as well as litigating those issues. His practice spans the breadth of the antitrust and intellectual property arena. His antitrust practice encompasses not only litigation and advising work, but also working with our corporate practice group on merger analysis and preparing transactions for premerger review pursuant to the Hart-Scott-Rodino Act.
In addition to screening and negotiating agreements respecting trademarks and copyrights, he has an active trial practice in those areas. His litigation experience ranges from prosecuting and defending requests for temporary restraining orders to handling complex multiparty and multidistrict copyright litigation.
Mike works closely with our corporate and securities practice group on premerger advising and notification pursuant to the Hart-Scott-Rodino Act. Transactions on which he has provided advice and counsel range from transactions that are not likely to be challenged and in which the agency grants Early Termination to transactions with potential antitrust risk which require detailed engagement of and negotiations with the FTC and Department of Justice.
Michael S. "Mike" Denniston
Awarded Practice Areas
Advertising Law Antitrust Law Copyright Law Franchise Law Trademark Law
Awarded Practice Areas
Advertising Law Antitrust Law Copyright Law Franchise Law Trademark Law
Biography
Locations
Education
- University of Virginia, JD, graduated 1989
- University of Virginia, BA, graduated 1986
Bar Admissions
Affiliations
- American Bar Association - Member
- International Tradmark Association - Member
Client Testimonials
Awards & Focus

Named "Lawyer of the Year" by Best Lawyers® for:
- Franchise Law, Birmingham (2025)
- Trademark Law, Birmingham (2025)
- Antitrust Law, Birmingham (2024)
- Franchise Law, Birmingham (2023)
- Trademark Law, Birmingham (2022)
- Copyright Law, Birmingham (2021)
- Antitrust Law, Birmingham (2020)
- Franchise Law, Birmingham (2018)
- Antitrust Law, Birmingham (2015)
- Antitrust Law, Birmingham (2012)
Recognized in The Best Lawyers in America® 2026 for work in:
- Advertising Law
- Antitrust Law
- Copyright Law
- Franchise Law
- Trademark Law
Additional Areas of Practice:
- Information Technology Law
- Litigation - Antitrust
- Litigation - Intellectual Property
- Litigation - Patent
- Patent Law
Special Focus:
- Antitrust/IP Intersection
- Mergers & Acquisitions
Awards:
- Listed in Alabama Super Lawyers, Antitrust Litigation, 2008-2013
- Listed in International Who’s Who of Competition Lawyers & Economists, 2012–2013
Case History
Cases
- Other Court Admissions
- Supreme Court of the United States
- United States Court of Appeals, 11th Circuit
- United States District Court, Middle District of Alabama
- United States District Court, Northern District of Alabama
- United States District Court, Southern District of Alabama
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