Do not assume so. Ask which historical materials remain useful and what new review is needed for the actual L-1B requirements and transition process.
Separate useful records from completed analysis
The estimate should identify professional work and current official charges. Reusing accurate documents may help preparation, but it does not mean the previous legal analysis answers the new classification’s requirements. Ask for a line-by-line comparison between the organization's structure and the employee's role at the time of the earlier filing and the same details today, since staffing changes, new reporting lines or a shifted ownership structure can matter even when the underlying documents look similar.
Ask whether the earlier case involved a request for further evidence or any unresolved question, because that history can shape what the present filing needs to address clearly, even though a past outcome does not carry forward automatically. Confirm which specific exhibits, such as an organizational chart or a description of daily duties, are recent enough to still reflect current facts, and treat anything older as needing a fresh version rather than a reused copy. Price that comparison work honestly instead of assuming it can be skipped because a similar filing exists somewhere in the file room.
Ask the adviser to identify, in writing, exactly which prior exhibits can be reused without changes and which need a fresh version, so the estimate reflects real work rather than a blanket assumption that everything must be rebuilt from the start.