Relevant implementation, training and responsibility records can explain the applicant’s contribution and acquired knowledge. A certificate may provide context but does not replace that account. Compare what a record proves against what it merely implies. A training completion certificate proves attendance; a signed design document, a change-control approval or a defect resolution bearing the applicant's name proves that this person produced something. Ask which of those two categories each item in the bundle falls into before it is submitted.
Connect a record to a specific fact
Identify whether the evidence shows design work, application of a process or training received. Distinguish personal work from team achievements and agree how confidential information can be shared appropriately. Date everything, then read the dates against the claim being made.
Knowledge said to have been built over years should appear in records spread across those years rather than clustered in the month before a filing. Where confidentiality limits what the employer will release, agree in advance on a substitute that still settles the point: a redacted document, a description of the system prepared by someone senior, or a statement from the person who supervised the work. Weigh personal contribution against team output as well.
A project the applicant participated in shows exposure; a component the applicant designed, and can still explain in detail today, shows the knowledge the petition asserts.