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Symantec Patent Information
(updated periodically)

The following Symantec products and/or the use of such products are covered by the following patents.

This list is not a comprehensive list of all Symantec patents and patent marking information. Additional U.S. and/or international patents may be issued and pending.

Please contact Symantec if you have any questions regarding Symantec's issued patents (email inquiries should be directed to Patents@Symantec.com).

Total Patents Published: 71

Patent Number Patent Title and USPTO Link Documents Patent Marking

6,907,533System and method for computer security using multiple cages



ManTrap
6,851,057Data Driven Detection of Viruses



All Antivirus Products
6,763,428Methods and systems for performing push-pull optimization of files while file storage allocations are actively changing



Speedisk NT
6,738,799Methods and Apparatuses for File Synchronization and Updating Using a Signature List



PC Anywhere
6,654,787Method and apparatus for filtering e-mail

Brightmail antispam
6,651,249Multi-Tiered Incremental Software Updating



All AntiVirus Products
6,631,480 b2Methods and systems for saving data potentially modified by a crashed computer program executing in a preemptive multitasking operating system environment





Norton Crashguard, (now EOL'd)
6,630,946 b2Method for automatically locating data-containing windows in frozen application program and saving contents



Norton Crashguard
6,574,737System for penetrating a computer or computer network





Symantec Vulnerability Assessment

Enterprise Security Management
6,574,657Methods and Apparatuses for File Synchronization and Updating Using a Signature List



pcAnywhere
6,539,430System and method for filtering data received by a computer system



Symantec Web Security
6,530,077Releasing In-Memory Executable Image from..

PartitionMagic versions 4 through current (8.05)
6,453,383Manipulation of Computer Volume Segments

Deploy Center Library, V2i Protector, Ghost 9.0+
6,377,958FIle System Conversion

All - PowerManage Suite & VolumeManager (Partition Magic and to all backup/recovery products, such as Ghost and LiveStateRecovery), per Neil Orcutt 11/23/04
6,363,487 B1Apparatus and Method of Creating A Firewall Data Protection

Norton GoBack
6,357,008Dynamic Heuristic Method for Detecting Computer Viruses Using Decryption, Exploration and Evaluation Phases



Symantec AntiVirus


Norton AntiVirus
6,349,311Storage of Reverse Delta Updates



Liveupdate
6,330,653Manipulation of Virtual and Live Computer Storage Device Partitions

Partition Magic & PartitionMagic Pro 6.0+

All - PowerManage Suite & VolumeManager
6,279,113
Dynamic signature inspection-based network intrusion detection



Symantec Client Security


Norton Internet Security


Symantec ManHunt
6,275,930Method, computer, and article of manufacturing for fault tolerant booting



Symantec pcAnywhere
6,253,300Computer Partition Manipulation During Imaging



V2i Protector, Ghost 9.0+, and Deploy Center Library
6,253,258 Subclassing system for computer that operates with portable-executable (PE) modules



Norton AntiVirus

Norton System Works

Norton Internet Security

pcAnywhere

Norton Personal Firewall
6,240,527 B1Method, software and apparatus for saving, using and recovering data

Norton GoBack
6,199,178 Method, software and apparatus for saving, using and recovering data



Norton GoBack
6,185,666Merging Computer Partitions

Partition Magic & PartitionMagic Pro 5.0+

ServerMagic 3.0+

EasyRestore

All - PowerManage Suite & VolumeManager
6,178,503Managing Multiple Operating Systems on a Single Computer

Partition Magic & PartitionMagic Pro 4.0+

Drive Image 3.0+

ServerMagic

EasyRestore

PowerManage Suite

VolumeManager

PowerDeplySuite

Deploy Center
6,178,487Method for Manipulating Disk Partitions

All - Partition Magic & PartitionMagic Pro

- Drive Copy

Drive Image & Pro

ServerMagic

EasyRestore

PowerManage Suite

VolumeManager

PowerDeplySuite

Deploy Center

BootMagic
6,173,291Method and apparatus for recovering data from damaged or corrupted file storage media

Search & Rescue
6,167,407Backtracked Incremental Updating





Symantec AntiVirus


Norton AntiVirus
6,123,737Push Deployment of Software Packages Using Notification Transports



All products that include the LiveUpdate feature for AV updates
6,108,759Method for Manipulating Disk Partitions

Partition Magic & PartitionMagic Pro 3.0+

All - Drive Copy

Drive Image & Pro

ServerMagic

EasyRestore

PowerManage Suite

VolumeManager

PowerDeplySuite

Deploy Center
6,088,778Method for Manipulating Disk Partitions

All - Partition Magic & PartitionMagic Pro

Drive Copy

Drive Image & Pro

ServerMagic

EasyRestore

PowerManage Suite

VolumeManager

PowerDeplySuite

Deploy Center

V2i Protector
6,067,410Emulation Repair System



Symantec AntiVirus


Norton AntiVirus
6,016,553Method, software & apparatus for saving, using and recovering data

Norton GoBack
6,006,329Detection Of Computer Viruses Spanning Multiple Data Streams



All AntiVirus Products
5,999,723State-Based Cache For Antivirus Software



Symantec AntiVirus


Norton AntiVirus
5,996,011 System and method for filtering data received by a computer system



Symantec Web Security/ Norton System Doctor

Norton System Works
5,978,917Detection and Elimination of Macro Viruses



All AntiVirus Products
5,964,889Method to Analyze a Program for Presence of Computer Viruses by Examining the Opcode for Faults Before Emulating Instruction in Emulator



All AntiVirus Products
5,953,419 Cryptographic file labeling system for supporting secured access by multiple users



Norton Your Eyes only
5,944,839 System and Method for Automatically Maintaining a Computer System



Norton System Doctor

Norton System Works
5,933,647System and method for software distribution and desktop management in a computer network environment

LiveState
5,930,831Partition Manipulation Architecture Supporting Multiple File Systems

Partition Magic & PartitionMagic Pro 3.0+

All - Drive Copy

Drive Image & Pro

ServerMagic

EasyRestore

PowerManage Suite

VolumeManager

PowerDeplySuite

Deploy Center
5,911,060Computer method and apparatus for unfreezing an apparently frozen application program being executed under control of an operating system



All Lost & Found

Search & Rescue

DataBack Now
5,898,784Transferring Encrypted Packets Over a Public Network



Symantec Enterprise VPN


Symantec Enterprise Firewall (with VPN)


Symantec Gateway Security


Symantec VelociRaptor
5,854,916State-Based Cache for Antivirus Software



Symantec AntiVirus


Norton AntiVirus
5,832,513 Detecting significant file system alterations during execution of a storage media software utility



Norton Utilities
5,831,639Scanning Display Driver



All pcAnywhere
5,828,846Controlling passage of packets or messages via a virtual connection or flow

Symantec Enterprise VPN


Symantec Enterprise Firewall (with VPN)


Symantec Gateway Security


Symantec VelociRaptor
5,826,013Polymorphic Virus Detection Module



Symantec AntiVirus


Norton AntiVirus
5,825,891
Key management for network communication

Symantec Enterprise VPN


Symantec Enterprise Firewall (with VPN)


Symantec Gateway Security


Symantec VelociRaptor
5,812,848Subclassing system for computer that operates with portable-executable (PE) modules



Norton AntiVirus

Norton System Works

Norton Internet Security

pcAnywhere

Norton Personal Firewall
5,798,706Detecting unauthorized network communication



Symantec Enterprise VPN


Symantec Enterprise Firewall (with VPN)


Symantec Gateway Security


Symantec VelociRaptor
5,796,825 System for automatic decryption of file data on a per-use basis and automatic re-encryption within context of multi-threaded operating system under which applications run in real-time



Norton Your Eyes only
5,790,796Polymorphic Package Files to Update Software Components



All products that include the LiveUpdate feature for AV updates
5,781,722Method for Diagnosis and Repair of Compressed Volumes of Utilizing A Bitmap



all versions Norton Utilities for Windows 9x ( 95, 98, 98SE and Windows ME), v 9.0 - 18.0.
5,778,392Opportunistic Tile-Pulling, Vacancy-Filling Method and Apparatus for File-Structure Reorganization



Speed Disk v3.5 +
5,768,373Method for providing a secure non-reusable one-time password



Norton Your Eyes Only
5,765,030Processor Emulator Module Having A Variable Pre-Fetch Queue Size For Program Execution



Symantec AntiVirus


Norton AntiVirus
5,761,680 Coherent file system access during defragmentation operations on a storage medium



Norton System Works


Norton Utilities
5,761,675Diagnosis And Repair Of Defective Long Filenames



Norton Disk Doctor
5,734,340Method and apparatus for storing run-intensive information in compact form



Norton Utilities
5,699,428 System for automatic decryption of file data on a per-use basis and automatic re-encryption within context of multi-threaded operating system under which applications run in real-time



Norton Your Eyes Only
5,696,822Polymorphic Virus Detection Module



Symantec AntiVirus


Norton AntiVirus
5,675,769Method for Manipulating Disk Partitions

All - Partition Magic & PartitionMagic Pro

Drive Copy

Drive Image & Pro

ServerMagic

EasyRestore

PowerManage Suite

VolumeManager

PowerDeplySuite

Deploy Center

V2i Protector
5,577,248 Method and apparatus for finding longest and closest matching string in history buffer prior to current string



Norton Ghost
5,481,701 Method and Apparatus for Performing Direct Read of Compressed File



Norton Ghost
5,455,943 Method and apparatus for finding longest and closest matching string in history buffer prior to current string



Norton Ghost
5,426,779 Method and apparatus for locating longest prior target string matching current string in buffer



Norton Ghost
5,398,196Method and Apparatus for Detection of Computer Viruses



Symantec AntiVirus


Norton AntiVirus
5,319,776In Transit Detection of Computer Virus with Safeguard





Symantec Antivirus

Norton Antivirus

Norton Antivirus for Handhelds

Symantec Mail Security

Symantec Web Security

Firewall

Intrusion Detection/Prevention