How Often Are Our Legal Statuses Updated? Our legal statuses are updated with the same frequency as our patent data is, that being weekly. This is the case for all major patent jurisdictions (this includes both US and EP). Related articles Simple Legal Status / Legal Status / Legal Event Search Guide When You Export The Legal Status Field Why Does It Sometimes Bring Up More Than One Legal Status? Do the search results also include expired patents? Is there a way to view the expiration dates? How often is PatSnap updated? What Is The Difference Between Assignee And Current Assignee?