The standardised assignee type is listed into these categories.
Company - Assignees that are registered companies (PFIZER).
Person - Assignees which are a person that submitted it as themselves (STEVE JOBS).
Academy - Assignees that are under an education group (UNIVERSITY OF LIVERPOOL).
Government - Assignees that are Government related (US DEPT OF HEALTH).
Bank - Assignees that operate as banking institutions (Scotiabank).
Other - Assignees that do not fit in any of the criteria above or they have multiple assignees such as a University with multiple people who are listed as the Assignee. Example below: