# Rabin Kammerer Johnson > https://www.complexbusinesslitigation.com > Last Updated: 2026-06-19 Rabin Kammerer Johnson is a boutique law firm in West Palm Beach, Florida, specializing in complex business litigation, whistleblower-qui tam actions, and securities arbitration & litigation. We are dedicated to finding efficient and creative solutions to problems, providing outstanding legal services to our clients, and advocating for our clients before courts, juries, and arbitrators. Our experience and background make the firm well suited to handle the most complex of disputes, while our size and efficiency allow us to work on creative fee structures, including reasonable hourly fee arrangements, contingency fee agreements in appropriate cases, and mixed hourly and contingency fee structures. ## Contact - Phone: +1-561-659-7878 - Address: 1601 Forum Place, Suite 201, West Palm Beach, FL 33401 ## Locations - West Palm Beach, FL - +1-561-659-7878 Areas served: West Palm Beach ## Practice Areas - Business Litigation - Whistleblower & Fraud Litigation - Securities Arbitration & Litigation ## Attorneys - Adam T. Rabin: https://www.complexbusinesslitigation.com/professionals/adam-rabin/ Adam is Florida Bar Board Certified in Business Litigation and concentrates his practice on representing businesses and individuals in complex business matters. - Christopher W. Kammerer: https://www.complexbusinesslitigation.com/professionals/christopher-w-kammerer/ Chris Kammerer represents clients in complex civil, business, and corporate governance disputes, litigation, and appeals. - Lauren E. Johnson: https://www.complexbusinesslitigation.com/professionals/lauren-johnson/ Lauren Johnson is a partner who represents businesses and individuals in a wide variety of business litigation and arbitration matters. - Havan M. Clark: https://www.complexbusinesslitigation.com/professionals/havan-m-clark/ Havan Clark is an associate who focuses her practice on complex business litigation, securities cases, and qui tam actions. ## Key Pages - Homepage: https://www.complexbusinesslitigation.com/ - Blog: https://www.complexbusinesslitigation.com/blog/ - Contact: https://www.complexbusinesslitigation.com/contact-us/ ## Social Profiles - https://www.facebook.com/mccaberabin/ - https://www.linkedin.com/company/mccabe-rabin-p-a- ## Reviews - Rating: 5/5 based on 121 reviews ## Practice Area Details ### Florida Business Litigation & Whistleblower Lawyers https://www.complexbusinesslitigation.com/ Florida business litigation lawyers Rabin Kammerer Johnson help in false claims act, whistleblower cases, securities arbitration, business & fraud litigation. ### Florida Business Litigation Blog https://www.complexbusinesslitigation.com/blog/litigation/ View our Florida business litigation blog posts, contact our firm any time for further information. ### West Palm Beach Business Litigation Lawyer https://www.complexbusinesslitigation.com/west-palm-beach-business-litigation-lawyer/ If you are searching for experienced Florida business litigation, copyright & trademark lawyers, look no further than Board Certified Rabin Kammerer Johnson. ### West Palm Beach Complex Business Litigation Lawyer https://www.complexbusinesslitigation.com/complex-litigation/ Our West Palm Beach business litigation lawyers represent companies and individuals in connection with LLC member disputes, business divorces, contracts & more. ### West Palm Beach Securities Arbitration & Litigation Lawyer https://www.complexbusinesslitigation.com/west-palm-beach-securities-arbitration-litigation-lawyer/ Rabin Kammerer Johnson represents investors and members of the public in claims against brokerage firms, investment advisors, and other investment professionals. ### Tampa Business Litigation Lawyer https://www.complexbusinesslitigation.com/tampa-business-litigation-lawyer/ A Tampa business litigation lawyer can help protect your interests, enforce your rights, and navigate Florida’s complex business laws. ### Orlando Business Litigation Lawyer https://www.complexbusinesslitigation.com/orlando-business-litigation-lawyer/ Having an Orlando business litigation lawyer on your side is crucial to protecting your interests, Rabin Kammerer Johnson is a highly experienced business firm. ### Miami Business Litigation Lawyer https://www.complexbusinesslitigation.com/miami-business-litigation-lawyer/ If you need guidance on a business dispute in Miami, contact Rabin Kammerer Johnson today for a consultation and legal assessment. ### Fort Pierce Business Litigation Lawyer https://www.complexbusinesslitigation.com/fort-pierce-business-litigation-lawyer/ Whether you are dealing with contract breaches, shareholder conflicts, purchase interference, or more, a skilled attorney can make a significant difference. ### Port St. Lucie Business Litigation Lawyer https://www.complexbusinesslitigation.com/port-st-lucie-business-litigation-lawyer/ Rabin Kammerer Johnson is committed to protecting businesses in Port St. Lucie through skilled representation and strategic litigation. ### Stuart Business Litigation Lawyer https://www.complexbusinesslitigation.com/stuart-business-litigation-lawyer/ Contact Rabin Kammerer Johnson today for a consultation and let us help you navigate business litigation in Stuart, FL with confidence. ### Wellington Business Litigation Lawyer https://www.complexbusinesslitigation.com/wellington-business-litigation-lawyer/ If your business is facing legal challenges, working with an experienced Wellington business litigation lawyer is crucial. Contact Rabin Kammerer Johnson today. ### Boca Raton Business Litigation Lawyer https://www.complexbusinesslitigation.com/boca-raton-business-litigation-lawyer/ Whether you are dealing with breach of contract, partnership disputes, shareholder disagreements, or other, contact our Boca Raton business litigation lawyers. ### Palm Beach Gardens Business Litigation Lawyer https://www.complexbusinesslitigation.com/palm-beach-gardens-business-litigation-lawyer/ Rabin Kammerer Johnson is a trusted law firm in Palm Beach Gardens specializing in business litigation, contact us today for a consultation/ ### Fort Lauderdale Business Litigation Lawyer https://www.complexbusinesslitigation.com/fort-lauderdale-business-litigation-lawyer/ With a commitment to aggressive advocacy and a deep understanding of Florida business law, Rabin Kammerer Johnson helps businesses navigate legal challenges. ### Jacksonville Business Litigation Lawyer https://www.complexbusinesslitigation.com/jacksonville-business-litigation-lawyer/ Whether you're dealing with breach of contract, partnership disagreements, or shareholder conflicts, contact a skilled Jacksonville business litigation lawyer. ### South Florida Business Litigation Lawyer https://www.complexbusinesslitigation.com/south-florida-business-litigation-lawyer/ The skilled South Florida business litigation lawyers at Rabin Kammerer Johnson can step in to protect your interests and resolve conflicts efficiently. ### South Florida Whistleblower & Fraud Litigation Lawyer https://www.complexbusinesslitigation.com/south-florida-whistleblower-fraud-litigation-lawyer/ South Florida whistleblower & fraud litigation lawyers at RKJ stand proudly with whistleblowers and fraud victims, offering discreet legal representation. ### South Florida Securities Arbitration & Litigation Lawyer https://www.complexbusinesslitigation.com/south-florida-securities-arbitration-litigation-lawyer/ South Florida securities arbitration & litigation lawyers at RKJ are here to help you hold financial professionals accountable and recover what you’ve lost. ## Recent Articles ### DOJ Reports Another Year of Big Recoveries in Whistleblower Qui Tam Lawsuits Filed Under the False Claims Act https://www.complexbusinesslitigation.com/doj-reports-another-year-of-big-recoveries-in-whistleblower-qui-tam-lawsuits-filed-under-the-false-claims-act/ (2026-01-21) Per a recent announcement from the U.S. Department of Justice (“DOJ”), settlements and judgments under the False Claims Act (“FCA”) resulted in more than $6.8 billion recovered during DOJ’s fiscal year that ended on September 30, 2025. The dollar amount recovered set a record for the largest amount ... ### How Do You Rescind, Cancel, or Reform a Contract or other Legal Instrument? https://www.complexbusinesslitigation.com/how-do-you-rescind-cancel-or-reform-a-contract-or-other-legal-instrument/ (2026-01-12) Rescission, cancellation, and reformation are separate and distinct actions to undo or correct contracts and other legal instruments and have different legal consequences. ### How Corporations Can Prevent Spoliation of Electronic Evidence With A Proper Legal Hold Notice https://www.complexbusinesslitigation.com/how-corporations-can-prevent-spoliation-of-electronic-evidence-with-a-proper-legal-hold-notice/ (2025-12-11) Our previous blog on electronic discovery provided 10 tips for creating an electronic discovery plan to help potential litigants understand the process of electronic discovery and how to work with their lawyers to reduce the associated time and costs. This blog will focus on creating a proper legal ... ### What is Required for Asserting an Objection to a Request for Documents under the Amended Florida Rules of Civil Procedure? https://www.complexbusinesslitigation.com/what-is-required-for-asserting-an-objection-to-a-request-for-documents-under-the-amended-florida-rules-of-civil-procedure/ (2025-12-10) Effective January 1, 2025, the Florida Supreme Court adopted significant amendments to various rules in the Florida Rules of Civil Procedure, including Rule 1.350, which governs requests for documents from a party. The key changes to Rule 1.350 include: The grounds for an objection to a document req... ### Firm Obtains $1.54 Million Settlement on Unjust Enrichment Claim Over Finder’s Fee https://www.complexbusinesslitigation.com/firm-obtains-1-54-million-settlement-on-unjust-enrichment-claim-over-finders-fee/ (2025-12-01) Rabin Kammerer Johnson (RKJ), Rafferty Domnick Cunningham & Yaffa (RDCY), and Harris Appeals recently settled a case in the U.S. District Court for the Southern District of Florida (Matthew Hayden v. Steven F. Urvan v. Brew First, Inc., Case No. 9:21-CV-82051-MATTHEWMAN) for $1.54 million. The p... ### Understanding the False Claims Act Public Disclosure Bar: What “Substantially the Same” Means for Whistleblower Cases https://www.complexbusinesslitigation.com/understanding-the-false-claims-act-public-disclosure-bar-what-substantially-the-same-means-for-whistleblower-cases/ (2025-11-24) The False Claims Act (“FCA”) empowers whistleblowers—known as relators—to bring lawsuits on behalf of the Government when they discover fraud involving federal funds. But not every whistleblower case can move forward. One of the most litigated obstacles is the FCA’s public disclosure bar, which requ... ### Appellate Court Reinstates Whistleblower’s Claims Where the District Court Dismissed an Amended Complaint Because the Allegations Were Based on Information Learned in Discovery https://www.complexbusinesslitigation.com/appellate-court-reinstates-whistleblowers-claims-where-the-district-court-dismissed-an-amended-complaint-because-the-allegations-were-based-on-information-learned-in-discovery/ (2025-08-05) On July 25, 2025, in United States ex rel. Sedona Partners LLC v. Able Moving & Storage, Inc., --- F.4th ---, 2025 WL 2087871 (11th Cir. 2025), the Eleventh Circuit Court of Appeals issued an opinion in a False Claims Act case reversing the dismissal of a whistleblower’s second amended complaint on ... ### Florida Law Levels the Playing Field on One-Sided Attorney’s Fee Clauses https://www.complexbusinesslitigation.com/florida-law-levels-the-playing-field-on-one-sided-attorneys-fee-clauses/ (2025-07-14) Section 57.105(7), Florida Statutes, makes reciprocal all contracts with unilateral attorney’s fee provisions that benefit one party over the other.1  Under the statute, where a contract contains an attorney’s fee provision that benefits only one party to the contract, a court may award attorney’s f... ### 10 Tips for Creating a Good Electronic Discovery Plan https://www.complexbusinesslitigation.com/10-tips-for-creating-a-good-electronic-discovery-plan/ (2025-07-14) The purpose of this blog is to help potential litigants understand the process of electronic discovery and how to work with their counsel to reduce the associated time and costs. ### Can We Talk? –Florida’s New Conferral Rule for Non-Dispositive Motions in State Court https://www.complexbusinesslitigation.com/can-we-talk-floridas-new-conferral-rule-for-non-dispositive-motions-in-state-court/ (2025-07-13) Under new Florida Rule of Civil Procedure 1.202, the moving party must 1) confer in good faith with the opposing party prior to filing a non-dispositive motion; and 2) file a statement certifying that the movant has conferred with the opposing party and state whether the opposing party agrees on the... --- Detailed version — see https://www.complexbusinesslitigation.com/llms.txt for summary Generated by MileMark Schema Pro