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Derek J. Byrne
15 yrs licensedByrne Mallory, PLLC
61 Pinellas cases since 2020
Background
- ·Family law and real estate attorney at the Law Office of Derek J. Byrne in St. Petersburg, licensed in Florida since 2011 through Stetson University College of Law. Mr. Byrne served as Chairman of the Marital and Family Law Section of the St. Petersburg Bar Association beginning in 2018 and maintains a practice at 540 4th Street North focused on dissolution of marriage, custody, and contested probate.
Derek J. Byrne has 35 Pinellas family cases filed 2020-2026. Most frequent bench: Brian Gnage (6x). Appears before 13 judges total. Tier: T2.
Top 40 Under 40, The National Advocates (2018, 2019); 30+ Avvo peer endorsements
J.D., Stetson University College of Law
Case Analytics
From 7,853 dissolution cases filed 2020–2026 · Pinellas County clerk portal
Total Cases61Dissolution cases in Pinellas County
Settled at FJ6(27%)Cases where parties agreed before the judge ruled
Reopened3Cases returned to court after final judgment
With Children10Cases involving custody and timesharing
Without Children12Cases with no custody issues
Motions / Case2.0Legal filings per case — higher means more aggressive
Recent Cases20Filed in the last two years
Performance by Judge
- Brian Gnage (6x), Steve D. Berlin (5x), Jack Helinger (5x)
Final Judgments12Cases ending with a signed divorce decree
Most Frequent Judges (Pinellas)
Brian Gnage (6x), Steve D. Berlin (5x), Jack Helinger (5x)
Bar & Governance Roles
- ·Chairman
- ·Marital and Family Law Section
- ·St. Petersburg Bar Association (2018–present)
- ·St. Petersburg Bar Association Family Law Section — member
All data sourced from public court records. Case counts reflect dissolution filings in Pinellas County 2020–2026. This is not legal advice. Past case patterns do not predict outcomes in individual matters.