Final answer:
The Florida Rule of Civil Procedure 1.070(j) requires that the initial pleading must be served upon the defendant within 120 days after filing.
Step-by-step explanation:
Pursuant to Florida Rule of Civil Procedure 1.070(j), the time limit to serve the initial pleading upon the defendant must be within 120 days after filing of the initial pleading directed to that defendant. The Florida Rules of Civil Procedure establish regulations for the practice of law and the management of cases within the jurisdiction of Florida's courts. The purpose of this time limit is to ensure that once a lawsuit is initiated, defendants are promptly notified and the legal process is not unduly delayed.