Message recall using digital rights management

US8073122B2 · kind B2 · utility

Assignee

• Microsoft Corporation · US

Inventors

• Jeffrey B. Kay · Bellevue, US
• Frank Byrum · Seattle, US
• Steven Michael Clagg · Seattle, US
• Sara L. Manning · Bellevue, US

Key dates

• Filing date: Jun 20, 2007
• Grant date: Dec 6, 2011
• Expiry date: Sep 26, 2030

Classification

• Technology area (CPC H): Electricity
• CPC primary: H04L51/234
• WIPO field: IT methods for management
• WIPO sector: Electrical engineering

Abstract

Email messages are recalled in accordance with restrictions attached to the message. Use of the message is limited per the restrictions. Example restrictions include printing restrictions, forwarding restrictions, exporting restrictions, copying restrictions, reading restrictions, and a expiration time of the message.