ML Chargeback Classification Platform
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Solution Overview
Problem
Chargeback processing in payment card systems is inefficient due to the need for lengthy document evaluation, high skill-level decision-making, and difficulty in identifying trends and correlations, leading to increased costs and potential fraudulent activity detection challenges.
Innovation Solution
A machine learning-based model is trained using transaction and chargeback data to classify chargebacks, enabling automatic and accurate identification of fraudulent activities, trends, and correlations, and adapting to changing regulations and data volumes.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If manual document evaluation and high skill-level decision-making are used for chargeback processing, then accuracy of fraud detection may be improved, but processing time and operational costs increase significantly
Solution Approach 1:
The patent replaces manual document evaluation and human decision-making with an automated machine learning system that processes chargeback data, evaluates fraud risk, and generates decisions. The system uses trained models to analyze transaction patterns, merchant information, and chargeback characteristics, substituting mechanical human processes with automated computational processes that operate faster and at lower cost while maintaining or improving detection accuracy.
Solution Approach 2:
The system enables self-service through automated chargeback evaluation where the machine learning model independently processes chargeback cases without requiring human intervention for each decision. The model uses historical data and patterns to autonomously determine fraud risk classifications, allowing the system to serve itself in making routine chargeback decisions while human operators only intervene in complex or borderline cases.
2Adaptability or versatility
If manual processing methods are used, then flexibility in handling complex cases may be maintained, but productivity and processing volume are limited
Solution Approach 1:
The patent segments chargeback processing into different risk levels and handles them through different pathways. The machine learning model classifies chargebacks into fraud risk categories (e.g., low risk, medium risk, high risk), allowing routine low-risk cases to be processed automatically at high volume while flagging complex high-risk cases for human review. This segmentation enables the system to achieve high overall productivity while maintaining flexibility for complex cases.
Solution Approach 2:
The system applies partial automation where the machine learning model handles the majority of chargeback evaluations automatically, while human operators provide supplementary review only when needed. The model performs excessive analysis by evaluating all chargebacks through its framework, then selectively escalates only those requiring human judgment, achieving high productivity for standard cases while preserving adaptability for exceptions.
3Device complexity
If traditional processing systems are used, then implementation simplicity may be maintained, but ability to identify trends and correlations is insufficient
Solution Approach 1:
The patent transforms the processing system by changing key parameters: it uses machine learning models trained on historical chargeback data to detect patterns, correlations, and trends that traditional rule-based systems cannot identify. The system analyzes multiple parameters simultaneously (transaction amounts, frequencies, merchant categories, geographic patterns, time patterns) and dynamically adjusts detection thresholds based on learned patterns, enabling superior trend detection despite increased system complexity.
Data Source
AI summary
A device may receive first information relating to a first set of transactions and a first set of chargebacks associated with the first set of transactions; process the first information to generate a processed data set; train a model to perform classification of the first set of chargebacks, where the model is to receive, as input, information relating to transactions and at least one chargeback, and where the model is to output information identifying a classification of the at least one chargeback; receive second information identifying a second set of transactions and a second set of chargebacks associated with the second set of transactions, where the second information is received from multiple, different sources; determine a classification of the second set of chargebacks using the model and based on the second information; and perform an action based on the classification of the second set of chargebacks.


