Patent assignee · US · COMPANY

Symantec Corporation

3,075Patents
2,840Active
3,075Granted
67Portfolio score

Filing activity: May 24, 1991 → Jan 17, 2019 · 1,070 expiring within 5 years

Most-cited patents

PatentTitleAreaCited byStatus
US8578442B1 Enforcing consistent enterprise and cloud security profiles Electricity 519 Active
US8812860B1 Systems and methods for protecting data stored on removable storage devices by requiring external user authentication Physics 513 Active
US6357008B1 Dynamic heuristic method for detecting computer viruses using decryption exploration and evaluation phases Physics 513 Expired
US8931041B1 Method and system for visibility and control over access transactions between clouds using resource authorization messages Electricity 506 Active
US7996836B1 Using a hypervisor to provide computer security Physics 469 Active
US5978917A Detection and elimination of macro viruses Human Necessities 405 Expired
US7472422B1 Security management system including feedback and control Electricity 371 Expired
US7159149B2 Heuristic detection and termination of fast spreading network worm attacks Physics 343 Expired
US7885938B1 Techniques for granular recovery of data from local and remote storage Physics 339 Active
US9571509B1 Systems and methods for identifying variants of samples based on similarity analysis Electricity 334 Active
US7418729B2 Heuristic detection of malicious computer code by page tracking Physics 325 Expired
US7530104B1 Threat analysis Physics 321 Expired
US6963908B1 System for transferring customized hardware and software settings from one computer to another computer to provide personalized operating environments Physics 320 Expired
US7827439B2 System and method of redundantly storing and retrieving data with cooperating storage devices Physics 319 Active
US8028338B1 Modeling goodware characteristics to reduce false positive malware signatures Physics 314 Active
US8688601B2 Systems and methods for generating machine learning-based classifiers for detecting specific categories of sensitive information Physics 308 Active
US8893286B1 Systems and methods for preventing fraudulent activity associated with typo-squatting procedures Physics 307 Active
US7937761B1 Differential threat detection processing Electricity 297 Active
US8087086B1 Method for mitigating false positive generation in antivirus software Physics 296 Active
US7568233B1 Detecting malicious software through process dump scanning Physics 290 Active
US8307435B1 Software object corruption detection Electricity 288 Active
US6052531A Multi-tiered incremental software updating Emerging Cross-Sectional Technologies 286 Expired
US8220055B1 Behavior blocking utilizing positive behavior system and method Physics 282 Active
US5768373A Method for providing a secure non-reusable one-time password Physics 281 Expired
US8239944B1 Reducing malware signature set size through server-side processing Electricity 281 Active

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