It does not answer the question by itself. Assess the applicant’s actual special or advanced knowledge and how the proposed role uses it.
Explain the human work accurately
Identify what the employee understands and decides, not simply what the tool produces. Tool operation, organizational knowledge and the proposed duties need a clear factual explanation; the technology label does not settle the L standard.
The statute's definition of specialized knowledge ties it to the petitioning company: its product, service, research, equipment, techniques, management or other interests, or an advanced level of knowledge of its processes and procedures. Explain how the knowledge was acquired and used, including relevant experience beyond reading instructions. If the honest answer is that it would take a few weeks of ordinary onboarding, the claim is weak no matter how long the employee has been with the company. The employer should describe the product architecture, international application, process, or procedure the employee knows; how that knowledge was gained and used; and why the U.S. assignment needs it. The legal inquiry is whether the worker possesses special product knowledge or advanced understanding of company processes, not whether the vendor issued an expensive badge. The principal's L-1B case independently requires a continuous qualifying foreign year within the previous three, active related organizations and special or advanced company knowledge rather than a general skill.