- Criminal DefenseMember: Hillsborough County (Chairman, Grievance Committee, 1982), Federal (President, Tampa Bay Chapter, 1986) and American Bar Associations; The Florida Bar (Member: Committee on Criminal Procedure Rules, 1974-1980; Continuing Legal Education Representative, 1975-1981; Chairman, Federal Practice Committee, 1987?); Academy of Florida Trial Lawyers; The Association of Trial Lawyers of America (Member, AIC Committee); National Association of Criminal Defense Lawyers.
- Wrongful DeathWinkles Law Group represents injured persons and their families in disability (ERISA and non-ERISA), personal injury, and wrongful death cases.
- FraudAttorney Winkles is an experienced trial lawyer in the preparation, negotiation and trial of complex criminal and civil litigation. He has been recognized in the publications, The Best Lawyers in America and Who's Who in American Law. He has handled many complex internal investigations for banks and other large corporations. He has tried complex cases involving tax fraud and negotiated successfully with the Internal Revenue Service. He has represented the Tampa Bay Buccaneers in civil antitrust litigation and other matters. He has represented and negotiated complex matters for Home Shopping Network. He has represented the University of South Florida in complex civil and administrative litigation and other matters. He has represented Pasco County, Hillsborough County and other local governmental bodies in litigation.
- Antitrust
- Personal InjuryFor over 30 years, Frank has successfully represented the victims of personal injury occurring from auto accidents, negligence, and defective products.
- Medical Malpractice
- Auto Accidents