Patent assignee · US · COMPANY

Guardian Data Storage, LLC

16Patents
9Active
16Granted
44Portfolio score

Filing activity: Dec 21, 2001 → Apr 4, 2011 · 9 expiring within 5 years

Most-cited patents

PatentTitleAreaCited byStatus
US7380120B1 Secured data format for access control Electricity 420 Expired
US7703140B2 Method and system for securing digital assets using process-driven security policies Electricity 362 Active
US8176334B2 Document security system that permits external users to gain access to secured files Physics 337 Expired
US8307067B2 Protecting encrypted files transmitted over a network Electricity 228 Active
US7950066B1 Method and system for restricting use of a clipboard application Physics 116 Expired
US7260555B2 Method and architecture for providing pervasive security to digital assets Electricity 108 Expired
US7478418B2 Guaranteed delivery of changes to security policies in a distributed system Electricity 61 Expired
US7512810B1 Method and system for protecting encrypted files transmitted over a network Electricity 61 Expired
US8127366B2 Method and apparatus for transitioning between states of security policies used to secure electronic documents Electricity 21 Expired
US8327138B2 Method and system for securing digital assets using process-driven security policies Electricity 16 Active
USRE43906E1 Method and apparatus for securing digital assets General 13 Active
US10360545B2 Method and apparatus for accessing secured electronic data off-line Physics 7 Active
US8266674B2 Method and system for implementing changes to security policies in a distributed security system Physics 6 Active
US8341406B2 System and method for providing different levels of key security for controlling access to secured items Electricity 5 Active
US8341407B2 Method and system for protecting electronic data in enterprise environment Electricity 3 Active
US8301896B2 Multi-level file digests Electricity 0 Active

Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.