Duc Hoang Tran

US Patent:

7177843, Feb 13, 2007

Filed:

Nov 18, 2002

Appl. No.:

10/298222

Inventors:

Mai Nguyen - Buena Park CA, US
Joseph Zhung Yee Fung - Cerritos CA, US
Duc Tran - Westminster CA, US

Assignee:

ContentGuard Holdings, Inc. - Wilmington DE

International Classification:

G06Q 99/00
H04K 1/00
H04L 9/00

US Classification:

705 51, 705 52, 705 53, 705 54, 705 55, 705 56, 705 57, 705 58, 705 59, 705 50, 380201, 707 9, 7071041, 713182, 713184, 713185, 713186, 713183

Abstract:

A rights expression system and method for facilitating creation and/or modification of rights expressions in a rights expression language based on one or more schemas are provided. In one embodiment, the rights expression system comprises selectable layouts corresponding to a rights granting paradigm and comprises type selection components. Each type selection component is adapted to present REL terms and input components. The input components allow input of parameters required by the selected REL term. The rights expression system also includes a data engine that generates rights expressions in proper REL semantics defined by the one or more schemas based on the selected layout and parameter inputted. The type selection components and input components may be type selectors and input forms, respectively, that are implemented in a graphical user interface.

US Patent:

7558759, Jul 7, 2009

Filed:

Nov 19, 2002

Appl. No.:

10/298999

Inventors:

Edgardo Valenzuela - South Gate CA, US
Eddie J. Chen - Rancho Palos Verdes CA, US
Thomas DeMartini - Culver City CA, US
Joseph Zhung Yee Fung - Cerritos CA, US
Mai Nguyen - Buena Park CA, US
Vincent Hsiang Tieu - Torrance CA, US
Duc Tran - Westminster CA, US

Assignee:

ContentGuard Holdings, Inc. - Wilmington DE

International Classification:

G06F 17/00

US Classification:

705 50, 705 1, 705 51, 705 59, 380201

Abstract:

System and methods for manipulating rights expressions for use in connection with a rights management system include one or more tokenized templates. Each tokenized template includes one or more rights expression language statements and one or more tokens associated with at least one of the rights expression language statements. Further, the tokens can be place holders for data items or rights expression elements. The system further includes a license template module that creates the tokenized templates, and a license instance creation module that replaces at least one of the tokens in one or more selected license templates with one or more of the data items or rights expression elements to generate a license instance. Additionally, the system includes a license instance analysis module having sub-modules for validating and interpreting license instances, and a data parsing module for extracting data from created license instances.

US Patent:

7966383, Jun 21, 2011

Filed:

Mar 27, 2009

Appl. No.:

12/413268

Inventors:

Wu Cao - Redwood City CA, US
Sridhar Ganti - Alameda CA, US
Vikram Kunniyur - Sunnyvale CA, US
Duc Tran - San Jose CA, US

Assignee:

Business Objects Software Ltd.

International Classification:

G06F 15/167
G06F 15/173

US Classification:

709218, 709223, 709226

Abstract:

Embodiments of the present invention include a computer-implemented systems and methods for accessing metadata across a network. A metadata server receives requests to access a data source from one or more clients. The metadata server is coupled between one or more backend servers and the clients. The backend servers may be coupled to the data sources of interest. The metadata server provides a metadata service proxy for establishing communications with the backend servers and for signaling the backend servers to establish connections to data sources. Data sources may be stateful or stateless. For stateless data sources, the metadata server may dynamically create reusable metadata service provider proxies that receive metadata from metadata service providers on the backend servers. For stateful data sources, unique metadata service provider proxies may be dynamically created and used to service client requests.

US Patent:

7974923, Jul 5, 2011

Filed:

Nov 18, 2002

Appl. No.:

10/298220

Inventors:

Joseph Zhung Yee Fung - Cerritos CA, US
Robert Chancellor - Ladera Ranch CA, US
Thomas DeMartini - Culver City CA, US
Mai Nguyen - Buena Park CA, US
Thanh Ta - Huntington Beach CA, US
Vincent Hsiang Tieu - Torrance CA, US
Duc Tran - Westminster CA, US
Edgardo Valenzuela - South Gate CA, US

Assignee:

Contentguard Holdings, Inc. - Wilmington DE

International Classification:

G06F 21/00

US Classification:

705 51, 705 50, 705 52, 705 53, 705 54, 705 55, 705 56, 705 57, 705 58, 705 59, 395157, 395164, 395188, 395200, 395186, 395218

Abstract:

Extensible grammar-based rights expression system for processing rights expressions including an interpreter with plug-in subcomponents, a validator, and a framework. In another embodiment, system includes a framework having an extensible architecture with extensibility points for adding extensions to the grammar, and an interpreter, the extensions defining semantics and syntax of new rights expressions. A method for processing rights expressions is also provided having the steps of registering plug-in components, making a programmatic call, finding and invoking appropriate plug-in components, evaluating the request against the grant, and returning an authorization result. In another embodiment, method includes the steps of providing an extensible grammar-based rights expression system having an extensible architecture with an interpreter, evaluating the request against the grant using the interpreter, and returning an authorization result. The method may include the step of adding new extensions to the rights expression system to allow processing of new rights expressions.

US Patent:

20030009424, Jan 9, 2003

Filed:

Jun 7, 2002

Appl. No.:

10/163634

Inventors:

Thanh Ta - Huntington Beach CA, US
Thomas DeMartini - Culver City CA, US
Joseph Fung - Cerritos CA, US
Guillermo Lao - Torrance CA, US
Mai Nguyen - Buena Park CA, US
Bijan Tadayon - Germantown MD, US
Vincent Tieu - Torrance CA, US
Duc Tran - Westminster CA, US
Xin Wang - Torrance CA, US
Edgardo Valenzuela - South Gate CA, US

Assignee:

CONTENTGUARD HOLDINGS, INC.

International Classification:

G06F017/60

US Classification:

705/051000

Abstract:

A method and apparatus for managing access to resources that integrates both authorization and protection for a wide range of resources. The rights to access a protected resource are based on conditions. Conditions are associated with both resource the resource and the state of the resource to thereby protect the resource at various stages during its life cycle. Conditions that are associated with the entire life cycle of the protected resource can be expressed by use of a grammar including data structures, sets of rules or a language.

US Patent:

20050262086, Nov 24, 2005

Filed:

Apr 29, 2005

Appl. No.:

11/117444

Inventors:

Thanh Ta - Huntington Beach CA, US
Xin Wang - Torrance CA, US
Vincent Tieu - Torrance CA, US
Joseph Zhung Fung - Cerritos CA, US
Duc Tran - Westminster CA, US
Venugopal Venkatraman - Wilmington DE, US
Jose Romero-Lobo - Pasadena CA, US
Eddie Chen - Rancho Palos Verdes CA, US
Charles Gilliam - Darien CT, US

Assignee:

Content Guard Holdings, Inc. - Wilmington DE

International Classification:

G06F007/00

US Classification:

707009000

Abstract:

A method and system for integrity certification and verification in a computer environment based on characteristics and behaviors of one or more applications, systems or system components as compared with a profile of characteristics and behaviors, including determining a behavior integrity profile (BIP) specifying characteristics and behaviors of one or more applications, systems or system components; determining based on the BIP whether or not characteristics and behaviors of one or more applications, systems or system components are compliant with characteristics and behaviors defined in a behavior integrity profile specification; and determining access rights to the one or more applications, systems or system components based on the step of determining the compliance.

US Patent:

20090241199, Sep 24, 2009

Filed:

Jun 1, 2009

Appl. No.:

12/475836

Inventors:

Edgardo VALENZUELA - South Gate CA, US
Eddie J. CHEN - Rancho Palos Verdes CA, US
Thomas DeMARTINI - Culver City CA, US
Joseph Zhung Yee FUNG - Cerritos CA, US
Mai NGUYEN - Buena Park CA, US
Vincent Hsiang TIEU - Torrance CA, US
Duc TRAN - Westminster CA, US

Assignee:

ContentGuart Holdings, Inc. - Wilmington DE

International Classification:

G06F 21/00

US Classification:

726 26

Abstract:

System and methods for manipulating rights expressions for use in connection with a rights management system include one or more tokenized templates. Each tokenized template includes one or more rights expression language statements and one or more tokens associated with at least one of the rights expression language statements. Further, the tokens can be place holders for data items or rights expression elements. The system further includes a license template module that creates the tokenized templates, and a license instance creation module that replaces at least one of the tokens in one or more selected license templates with one or more of the data items or rights expression elements to generate a license instance. Additionally, the system includes a license instance analysis module having sub-modules for validating and interpreting license instances, and a data parsing module for extracting data from created license instances.

US Patent:

20110209223, Aug 25, 2011

Filed:

May 3, 2011

Appl. No.:

13/099808

Inventors:

Joseph Zhung Yee FUNG - Cerritos CA, US
Robert CHANCELLOR - Ladera Ranch CA, US
Thomas DeMARTINI - Culver City CA, US
Mai NGUYEN - Buena Park CA, US
Thanh TA - Huntington Beach CA, US
Vincent Hsiang TIEU - Torrance CA, US
Duc TRAN - Westminster CA, US
Edgardo VALENZUELA - South Gate CA, US

Assignee:

CONTENTGUARD HOLDINGS, INC. - Wilmington DE

International Classification:

G06F 21/00

US Classification:

726 26

Abstract:

Extensible grammar-based rights expression system for processing rights expressions including an interpreter with plug-in subcomponents, a validator, and a framework. In another embodiment, system includes a framework having an extensible architecture with extensibility points for adding extensions to the grammar, and an interpreter, the extensions defining semantics and syntax of new rights expressions. A method for processing rights expressions is also provided having the steps of registering plug-in components, making a programmatic call, finding and invoking appropriate plug-in components, evaluating the request against the grant, and returning an authorization result. In another embodiment, method includes the steps of providing an extensible grammar-based rights expression system having an extensible architecture with an interpreter, evaluating the request against the grant using the interpreter, and returning an authorization result. The method may include the step of adding new extensions to the rights expression system to allow processing of new rights expressions.