In these circumstances, a shop right may apply. The shop right is a common law doctrine founded in equitable principles that allows an employer to use the employee's invention without payment to the employee if that invention was made using the employer's time, materials, facilities, or equipment.
In these situations, an in-store right might be applicable. The store right is a common legal concept rooted in equitable norms that enables an employer to use an employee's invention without payment to the employee, provided it was developed with the employer's resources and facilities.