• Jeff Cosby has achieved re-certification as a specialist in civil trial law for the third time and has now been board certified for 15 years.
  • New case on “notice” in slip and fall suits provides help to governmental agencies
  • Chioma Deere co-presented a Continuing Judicial Education (CJE) session to judges on Judicial Management of Electronic Discovery in Palm Beach County.
  • Phil Wiseberg obtains a dismissal with prejudice on the eve of trial in property insurance case.
  • In Bryant v. Mezo, Carri Leininger obtained favorable opinion from the Fourth DCA recognizing the Plaintiff’s failure to disclose prior medical treatment was fraud and justified dismissal of the Plaintiff’s lawsuit.
  • Jim Williams intervened in complex construction/banking litigation on behalf of a local county obtaining a stay and potentially saving the county from a judgment that would have deprived the county of over a million dollars in collateral.
  • Chioma Deere co-presented a Continuing Judicial Education (CJE) session on Judicial Management of Electronic Discovery at the 19th Judicial Circuit to judges from St. Lucie, Martin, and Okeechobee counties.
  • Lee Baggett and Jeff Cosby spoke at the Orlando Claims Conference on Exposing Financial Bias of Treating Doctors.
  • Carri Leininger obtains summary judgment for CGL carrier in coverage dispute arising out of a multi-million dollar construction defect case.
  • Jessica Gregory obtains summary judgment for Property Owners Association in ADA/FHA case.
  • Phil Wiseberg and Jim Williams obtain a defense verdict in an automobile negligence suit
  • Phil Wiseberg achieved dismissal of a federal copyright infringement lawsuit on behalf of a local university…
  • Carri Leininger wins appellate victory in controversial juror texting case, Murphy v. Roth
  • Jim Williams succeeds with Palm Beach County jury returning defense verdict for half clients’ pre-trial offer
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Williams, Leininger & Cosby, P.A.

Trial Lawyers to Insurance, Government & Business

Williams, Leininger & Cosby, P.A. is an AV rated law firm specializing in civil trial practice in both state and federal courts throughout Florida, with offices in the Palm Beaches and along the Treasure and Space Coast of Florida.

Since the firm was founded in 1995, our team of civil litigation defense attorneys have defended business clients in a diverse range of civil matters, including employment discrimination, civil rights violations, insurance coverage disputes, commercial liability, automobile and trucking negligence, bodily injury claims, first party medical claims, rental car liability, general liability claims, product liability, construction defect claims, and professional malpractice.


Our clientele represents a broad selection of Florida businesses, including insurance companies, manufacturers, medical practices, construction companies and contractors, trucking companies, rental car agencies, retailers, and more. We have also defended government agencies in a variety of civil cases. In our years of practice, our skilled trial lawyers have cultivated a reputation of excellence that has made Williams, Leininger & Cosby, P.A., one of South Florida’s most respected insurance defense law firms.


At Williams, Leininger & Cosby, P.A., we understand that claims can have a significant impact on your bottom line. If your business is involved in a personal injury, commercial liability, malpractice, employment discrimination, or other civil suit, representation from an experienced trial attorney is critical. Specializing in civil trial practice in both state and federal courts throughout Florida, the knowledgeable and committed trial lawyers of Williams, Leininger & Cosby, P.A., are ready to put their experience to work for your business.

Put our team of skilled Florida civil defense lawyers to work on your case. Call Williams, Leininger & Cosby, P.A.. We represent insurance companies, government agencies, and businesses throughout South Florida, including Port St. Lucie, Stuart, Jupiter, Wellington, Fort Pierce, Palm Beach, Loxahatchee, Melbourne, Vero Beach, Greenacres, Jensen Beach, Century Village, and other communities in Palm Beach Martin, Indian River, Brevard, and St. Lucie Counties.