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For the Inventor, By the Inventor

Columbia, MD, United States of America

Sourcefire, Inc.


USPTO Granted Patents = 28

% Expired Patents = 32.1


Trademarks = 4

Forward Citations = 931

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19 inventors (with patents filed for the assignee):

goldMedal Martin Frederick Roesch (11 out of 16 patents)

silverMedal Marc Norton (7 out of 9 patents)

bronzeMedal Ronald A Dempster (7 out of 7 patents)

4.  William Andrew Vogel, Iii (6 out of 7 patents)

5.  Daniel J Roelker (6 out of 6 patents)

6.  Steven Sturges (4 out of 4 patents)

7.  Judy Hollis Novak (4 out of 5 patents)

8.  Andrew Baker (3 out of 3 patents)

9.  Eric Gustafson (3 out of 3 patents)

10.  Nigel Houghton (2 out of 2 patents)

11.  Dina L Bruzek (2 out of 2 patents)

12.  Brian Rittermann (2 out of 2 patents)

13.  Patrick Michael Mullen (1 out of 14 patents)

14.  Kenneth Todd Wease (1 out of 3 patents)

15.  Jonathan Polley (1 out of 2 patents)


Core Competencies:
Network Attack Detection
Intrusion Prevention
Real-Time Data Awareness
Network Policy Enforcement
Network Characteristics
Flow Analysis
Multi-Pattern Searching
Timestamp Analysis
Network Topology
Dynamic Threat Assessment
Vulnerability Analysis
User Awareness

28 patents:

1. 8677486 - System and method for near-real time network attack detection, and system and method for unified detection via detection routing (2014-03-18),
2. 8671182 - System and method for resolving operating system or service identity conflicts (2014-03-11),
3. 8601034 - System and method for real time data awareness (2013-12-03),
4. 8578002 - Systems and methods for determining characteristics of a network and enforcing policy (2013-11-05),
5. 8474043 - Speed and memory optimization of intrusion detection system (IDS) and intrusion prevention system (IPS) rule processing (2013-06-25),
6. 8433790 - System and method for assigning network blocks to sensors (2013-04-30),
7. 8289882 - Systems and methods for modifying network map attributes (2012-10-16),
8. 8272055 - Target-based SMB and DCE/RPC processing for an intrusion detection system or intrusion prevention system (2012-09-18),
9. 8127353 - Real-time user awareness for a computer network (2012-02-28),
10. 8069352 - Device, system and method for timestamp analysis of segments in a transmission control protocol (TCP) session (2011-11-29),
11. 8046833 - Intrusion event correlation with network discovery information (2011-10-25),
12. 7996424 - Methods and systems for multi-pattern searching (2011-08-09),
13. 7949732 - Systems and methods for determining characteristics of a network and enforcing policy (2011-05-24),
14. 7948988 - Device, system and method for analysis of fragments in a fragment train (2011-05-24),
15. 7885190 - Systems and methods for determining characteristics of a network based on flow analysis (2011-02-08),
Company Overview
Sourcefire, Inc. is a cybersecurity company based in Columbia, Maryland, specializing in advanced threat detection and prevention solutions. The organization is known for its innovative technologies that protect networks from a wide range of cyber threats, leveraging deep packet inspection and real-time analysis. Sourcefire's research focuses on developing robust security frameworks that adapt to evolving threats, making it a key player in the cybersecurity landscape. Its solutions are utilized by enterprises and government agencies to safeguard critical information and infrastructure.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 13 2026

Sourcefire, Inc. USPTO Patent Assignee Logo
28 Patents

#18 in Columbia, MD

#154 in Maryland

#12,013 in US

#23,285 in the World

Columbia, MD (US)
Columbia, MD, United States of America

Sourcefire, Inc.

Forward Citations = 931

19 inventors:

goldMedal Martin Frederick Roesch (11 out of 16 patents)

silverMedal Marc Norton (7 out of 9 patents)

bronzeMedal Ronald A Dempster (7 out of 7 patents)

4.  William Andrew Vogel, Iii (6 out of 7 patents)

5.  Daniel J Roelker (6 out of 6 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Sourcefire, Inc.. Retrieved from https://idiyas.com/company/sourcefire

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

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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