Marchex, Inc.
🏢 View company profile →29Patents
29Active
29Granted
49Portfolio score
Filing activity: Sep 23, 2004 → Dec 21, 2020 · 3 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7668950B2 | Automatically updating performance-based online advertising system and method | Physics | 121 | Active |
| US8634520B1 | Call tracking system utilizing an automated filtering function | Electricity | 52 | Active |
| US9263038B2 | System and method for analyzing and classifying calls without transcription via keyword spotting | Electricity | 34 | Active |
| US8671020B1 | Call tracking system utilizing a pooling algorithm | Electricity | 21 | Active |
| US8259915B2 | System and method to analyze calls to advertised telephone numbers | Electricity | 17 | Active |
| US9118751B2 | System and method for analyzing and classifying calls without transcription | Electricity | 17 | Active |
| US9232052B1 | Analyzing voice characteristics to detect fraudulent call activity and take corrective action without using recording, transcription or caller ID | Electricity | 14 | Active |
| US8929522B2 | System and method to customize a connection interface for multimodal connection to a telephone number | Electricity | 10 | Active |
| US10699303B2 | Cross-channel correlation of consumer telephone numbers and user identifiers | Electricity | 9 | Active |
| US9485354B1 | Identifying call features and associations to detect call traffic pumping and take corrective action | Electricity | 8 | Active |
| US10477403B2 | Identifying call characteristics to detect fraudulent call activity and take corrective action without using recording, transcription or caller ID | Electricity | 7 | Active |
| US10111102B2 | Identifying call characteristics to detect fraudulent call activity and take corrective action without using recording, transcription or caller ID | Electricity | 7 | Active |
| US10049661B2 | System and method for analyzing and classifying calls without transcription via keyword spotting | Electricity | 5 | Active |
| US8630393B2 | System and method for blocking telephone calls | Electricity | 4 | Active |
| US9596356B2 | Analyzing voice characteristics to detect fraudulent call activity and take corrective action without using recording, transcription or caller ID | Electricity | 4 | Active |
| US8687782B1 | Call tracking system utilizing a sampling algorithm | Electricity | 3 | Active |
| US8788344B2 | System and method to analyze calls to advertised telephone numbers | Electricity | 2 | Active |
| US8433048B2 | System and method to direct telephone calls to advertisers | Electricity | 1 | Active |
| US9484026B2 | System and method for analyzing and classifying calls without transcription via keyword spotting | Electricity | 1 | Active |
| US10332148B2 | Call analytics for mobile advertising | Physics | 1 | Active |
| US10475075B2 | Correlated consumer telephone numbers and user identifiers for advertising retargeting | Electricity | 1 | Active |
| US11245791B2 | Detecting robocalls using biometric voice fingerprints | Electricity | 0 | Active |
| US9614962B2 | System and method for analyzing and classifying calls without transcription | Electricity | 0 | Active |
| US11522993B2 | Systems and methods for rapid analysis of call audio data using a stream-processing platform | Electricity | 0 | Active |
| US10810995B2 | Automatic speech recognition (ASR) model training | Physics | 0 | Active |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.