It depends entirely on whether the knowledge is of the company's own methodology or of standard sector practice. Deep skill in genomic evaluation generally is not enough; knowledge of a private reference population and internally derived weightings can be.
Ask what a competitor's analyst would already know
A useful test is to imagine an experienced analyst at a rival genetics firm and ask what Priscilla knows that this person does not. Familiarity with genomic evaluation theory, standard software and published breeding-value methods appears on both sides of that comparison and therefore proves nothing. The company's private reference population, the weighting decisions its research team made and never published, the validation procedure she wrote, the configuration choices for particular herd structures — those sit on her side alone.
The petition should describe each of them concretely and explain the training time a replacement would need. Neither uniqueness nor irreplaceability is required; the knowledge simply must not be common in the industry. Where the candid answer is that a good analyst could be brought up to speed in a few weeks, the case is weak and the company should consider whether a shorter business visit fits better.
- USCIS: L-1B Intracompany Transferee Specialized Knowledge
- USCIS Policy Manual, Volume 2 Part L, Intracompany Transferees
- Department of State: 9 FAM 402.12, L classifications
- USCIS: employment authorization for certain spouses, Policy Manual Volume 10 Part B Chapter 2
- USCIS translation requirement, 8 CFR 103.2(b)(3)