Average Co-Inventor Count = 4.80
ph-index = 10
The patent ph-index is calculated by counting the number of publications for which an author has been cited by other authors at least that same number of times.
Company Filing History:
1. Contentguard Holdings, Inc. (16 from 130 patents)
2. Contentgaurd Holdings, Inc. (1 from 4 patents)
17 patents:
1. 10540484 - Networked services licensing system and method
2. 9626668 - Rights expression profile system and method using templates
3. 8904545 - Method, system, and device for verifying authorized issuance of a rights expression
4. 8244579 - Method and apparatus for distributing enforceable property rights
5. 8108313 - Rights expression profile system and method using templates
6. 8069116 - System and method for supplying and managing usage rights associated with an item repository
7. 7685642 - System and method for controlling rights expressions by stakeholders of an item
8. 7386513 - Networked services licensing system and method
9. 7359884 - Method and apparatus for processing usage rights expressions
10. 7222104 - Method and apparatus for transferring usage rights and digital work having transferrable usage rights
11. 7206765 - System and method for supplying and managing usage rights based on rules
12. 7152046 - Method and apparatus for tracking status of resource in a system for managing use of the resources
13. 7028009 - Method and apparatus for distributing enforceable property rights
14. 6976009 - Method and apparatus for assigning consequential rights to documents and documents having such rights
15. 6963858 - Method and apparatus for assigning consequential rights to documents and documents having such rights