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For the Inventor, By the Inventor

Peter L T Pirolli

San Francisco, CA, United States of America

Peter L T Pirolli

LinkedIn

This inventor holds 78 USPTO granted patents and 28 published patent applications and 3 EPO patents, primarily in Digital Content Management. Top assignees: Contentguard Holdings, Inc., Xerox Corporation, Palo Alto Research Center Inc.. Active years: 1997-2018.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Peter L T Pirolli. Retrieved from https://idiyas.com/inventor/peter-l-t-pirolli

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

USPTO Granted Patents = 78 

% Patents Active = 37.2


Average Co-Inventor Count = 2.4

ph-index = 35

Forward Citations = 6,826(Granted Patents)

Forward Citations (Not Self Cited) = 6,669(Dec 10, 2025)


Location History:

  • San Franciso, CA (US) (2010)
  • El Cerrito, CA (US) (1997 - 2011)
  • San Francisco, CA (US) (2000 - 2018)

Company Filing History:

goldMedal45 out of 130 
 
Contentguard Holdings, Inc.
 patents
silverMedal27 out of 24,257 
 
Xerox Corporation
 patents
bronzeMedal4 out of 2,079 
 
Palo Alto Research Center Inc.
 patents
4. 1 out of 1 
 
Contentguard, Inc.
 patent
5. 1 out of 834,453 
Other
 patents

Years Active: 1997-2018

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Areas of Expertise:
Digital Content
Usage Rights
Distribution Control
Content Rendering
Digital Works
Transaction Protocol
Wearable Sensors
Health Programs
User Identification
Multi-Modal Clustering
Customization
Consumer Licensing
78 patents (USPTO):Explore Patents
1. 9953328 - Method and system for conducting transactions between repositories (2018-04-24),
2. 9898789 - Method and a system for providing hosted services based on a generalized model of a health/wellness program (2018-02-20),
3. 9734506 - System and method for controlling utilization of content (2017-08-15),
4. 9727876 - System and method for permitting use of content using transfer rights (2017-08-08),
5. 9672482 - System and method for automatic objective reporting via wearable sensors (2017-06-06),
6. 8671461 - System, apparatus, and media for granting access to and utilizing content (2014-03-11),
7. 8484751 - System and method for permitting use of content (2013-07-09),
8. 8443457 - System and method for controlling the use of a digital work in accordance with usage rights associated with the digital work (2013-05-14),
9. 8393007 - System and method for distributing digital content to be rendered in accordance with usage rights information (2013-03-05),
10. 8370956 - System and method for rendering digital content in accordance with usage rights information (2013-02-05),
11. 8275769 - System and method for identifying users relevant to a topic of interest (2012-09-25),
12. 8170955 - System and method for enforcing usage rights associated with digital content (2012-05-01),
13. 8140706 - Systems and methods for identifying user types using multi-modal clustering and information scent (2012-03-20),
14. 8010545 - System and method for providing a topic-directed search (2011-08-30),
15. 7970709 - Method and apparatus for client customization by executing software parts on plural servers (2011-06-28),

Title: Innovations and Contributions of Peter L T Pirolli

Introduction: Peter L T Pirolli, based in San Francisco, CA, is an esteemed inventor with an impressive portfolio of 45 patents to his name. His work primarily focuses on the intersection of content utilization, rights management, and technology.

Latest Patents: Among his notable contributions are two recent patents that showcase his innovative spirit. The first, titled "System and method for controlling utilization of content," describes an apparatus, method, and media designed to manage usage rights associated with digital content. This patent details a process for receiving access requests, determining usage rights, and transmitting applicable permissions based on pre-set conditions. The second patent, "System and method for permitting use of content using transfer rights," outlines a method for transferring content between devices while updating associated usage rights, thereby enhancing the functionality of digital content distribution.

Career Highlights: Peter has held significant positions in various prominent companies, including ContentGuard Holdings, Inc. and Xerox Corporation. His work in these organizations has helped advance the understanding and management of content rights and usage, positioning him as a key player in the field of intellectual property and digital content management.

Collaborations: Throughout his career, Peter has had the privilege of working alongside talented individuals, including Mark Jeffrey Stefik and Ed H Chi. These collaborations have likely contributed to the depth and breadth of his patent contributions, as they combined their expertise to address complex challenges within their field.

Conclusion: Peter L T Pirolli's contributions to the world of innovation and digital content management are significant and far-reaching. His numerous patents, combined with his experience in top companies and collaboration with skilled colleagues, illustrate his commitment to advancing the understanding of content rights and utilization in an increasingly digital world.

Profile summary based on public USPTO records.
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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