For the Inventor, By the Inventor

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Seattle, WA, United States of America

Marchex, Inc.

USPTO Granted Patents = 29

% Expired Patents = 3.4

Trademarks = 4

Forward Citations = 353

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32 inventors (with patents filed for the assignee):

Ziad Ismail (15 out of 15 patents)

Jason S Flaks (13 out of 35 patents)

Matthew Berk (10 out of 13 patents)

4. Chris Kolbegger (8 out of 8 patents)

5. Bryan Rieger (5 out of 5 patents)

6. Darren Spehr (4 out of 4 patents)

7. Shane Walker (3 out of 3 patents)

8. Iroro Orife (3 out of 3 patents)

9. Tim Graber (3 out of 3 patents)

10. Govindaraj Ramanathan (3 out of 7 patents)

11. Preston J Hillman (2 out of 2 patents)

12. Chris Jones (2 out of 3 patents)

13. Adarsh S Nair (2 out of 2 patents)

14. William Li (2 out of 2 patents)

15. Amanda Morrison (2 out of 2 patents)

Core Competencies:

Call Analytics

Audio Data Analysis

Robocall Detection

Speech Recognition

Consumer Identification

Fraud Detection

Telephony Systems

Advertising Retargeting

Voice Fingerprinting

Keyword Spotting

Traffic Analysis

Performance-Based Advertising

29 patents: Sort by Forward Citations

1. 11522993 - Systems and methods for rapid analysis of call audio data using a stream-processing platform (2022-12-06),

2. 11276080 - Call analytics for mobile advertising (2022-03-15),

3. 11245791 - Detecting robocalls using biometric voice fingerprints (2022-02-08),

4. 10810995 - Automatic speech recognition (ASR) model training (2020-10-20),

5. 10699303 - Cross-channel correlation of consumer telephone numbers and user identifiers (2020-06-30),

6. 10477403 - Identifying call characteristics to detect fraudulent call activity and take corrective action without using recording, transcription or caller ID (2019-11-12),

7. 10475075 - Correlated consumer telephone numbers and user identifiers for advertising retargeting (2019-11-12),

8. 10348896 - System and method for analyzing and classifying calls without transcription (2019-07-09),

9. 10332148 - Call analytics for mobile advertising (2019-06-25),

10. 10230851 - Identifying call features and associations to detect call traffic pumping and take corrective action (2019-03-12),

11. 10111102 - Identifying call characteristics to detect fraudulent call activity and take corrective action without using recording, transcription or caller ID (2018-10-23),

12. 10049661 - System and method for analyzing and classifying calls without transcription via keyword spotting (2018-08-14),

13. 9614962 - System and method for analyzing and classifying calls without transcription (2017-04-04),

14. 9596356 - Analyzing voice characteristics to detect fraudulent call activity and take corrective action without using recording, transcription or caller ID (2017-03-14),

15. 9485354 - Identifying call features and associations to detect call traffic pumping and take corrective action (2016-11-01),

Marchex, Inc. is a technology company based in Seattle, WA, specializing in conversational analytics and call tracking solutions. The company leverages advanced data analytics and machine learning to provide insights into customer interactions, helping businesses optimize their marketing strategies and improve customer engagement. Marchex's innovative platform enables organizations to analyze phone conversations and drive actionable outcomes, making it a key player in the fields of marketing technology and customer experience enhancement.

Profile summary based on public USPTO records.

Company Badge

USPTO Data Jan 1 1976 - Sep 29 2026

29 Patents

#78 in Seattle, WA

#261 in Washington

#11,606 in US

#22,510 in the World

Seattle, WA, United States of America

Marchex, Inc.

Forward Citations = 353

32 inventors:

Ziad Ismail (15 out of 15 patents)

Jason S Flaks (13 out of 35 patents)

Matthew Berk (10 out of 13 patents)

4. Chris Kolbegger (8 out of 8 patents)

5. Bryan Rieger (5 out of 5 patents)

Please report any incorrect information to [email protected]

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