Yes, if the employer extends the petition and the knowledge is still required. L-1B status is limited to five years in total, and earlier time in the United States in L or H status counts toward that limit.
Five years is the ceiling, counted from every earlier U.S. period
Hypothetical example: the initial customer project is scheduled for twelve months, but the company expects follow-on deployments. An established U.S. affiliate may request up to three years initially, with extensions up to a five-year maximum in L-1B status. A new office would be approved for only one year at first. Before promising the specialist a multi-year assignment, obtain a full history of prior U.S. stays, because time already spent in L-1 or H-1B status reduces the remaining period. If the role changes toward managing a team, an L-1A analysis may be appropriate, with a separate seven-year limit, but the switch must be supported by evidence and filed properly. The initial petition must establish the one continuous qualifying year abroad within the applicable three-year period; an extension does not restart that rolling three-year test, although the qualifying relationship and both entities' active operations must continue. Plan the start date around USCIS processing or premium processing.
Hypothetical example: a medical-imaging calibration specialist is needed for a software release, but the employee's training record is stored with a former affiliate. Request that record first and compare its dates with payroll before committing to the release calendar. The supporting evidence, not the release date, determines whether the qualifying foreign year and specialized knowledge can be shown. Build a schedule for corporate documents, technical exhibits, filing, and any visa step required by nationality. Track L time already used because L-1B generally has a five-year maximum. If the project will last longer, decide early whether the organization can staff the later phase differently rather than promising an extension that the time limit does not allow.