LLM Field Object Generation for Accurate Document Autofill

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Solution Overview

Problem

Existing automated digital form filling systems suffer from inaccuracies due to generalized machine learning models that hallucinate and require excessive user interactions, leading to inefficiencies and resource wastage.

Innovation Solution

A field object generation system utilizing a large language model to determine and combine relevant data from source content items with fillable digital documents, employing summarization and aggregation validation to improve accuracy and reduce user interactions.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If generalized machine learning models are used for digital form filling, then broad coverage of output generation is achieved, but accuracy deteriorates due to hallucinations

Engineering Contradiction:
Improvebroad coverage of output generationVSAvoidaccuracy of content generation
Core Design Contradiction:
Adaptability or versatilityVSReliability

Solution Approach 1:

The system segments the form filling task into multiple independent steps: retrieving relevant information from source documents, generating field objects with proper data types, validating the generated content, and then populating the form fields. This segmentation allows each step to be optimized independently, improving overall accuracy while maintaining versatility.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The system implements feedback mechanisms where generated field objects are validated against the source documents and form requirements before being used. This feedback loop prevents hallucinations by verifying that generated content accurately reflects the source information and meets the required data types and formats.

Inventive Principle:
Principle #23Feedback

2Productivity

If multiple interfaces and applications are used for data input, then comprehensive data processing is achieved, but navigational efficiency deteriorates

Engineering Contradiction:
Improvecomprehensive data processing capabilityVSAvoidnavigational efficiency
Core Design Contradiction:
ProductivityVSEase of operation

Solution Approach 1:

The system merges multiple data processing functions into a single integrated interface. It combines source document retrieval, information extraction, field object generation, and form population in one unified system, eliminating the need to switch between multiple applications and interfaces while maintaining comprehensive processing capability.

Inventive Principle:
Principle #5Merging (Combining)

Solution Approach 2:

The system implements a universal interface that performs multiple functions: accessing source documents, analyzing content, generating appropriate field objects with type validation, and populating form fields. This multi-functional approach consolidates what would traditionally require separate tools into one system.

Inventive Principle:
Principle #6Universality (Multi-functionality)

3Adaptability or versatility

If multiple applications run simultaneously for data input, then comprehensive functionality is achieved, but computer resource consumption increases

Engineering Contradiction:
Improvecomprehensive functionalityVSAvoidcomputer resource waste
Core Design Contradiction:
Adaptability or versatilityVSLoss of energy

Solution Approach 1:

The system combines multiple applications into a single integrated solution, consolidating resource usage. By merging document retrieval, analysis, field object generation, and form population functions into one system, it eliminates the overhead of running multiple separate applications while maintaining all necessary functionalities.

Inventive Principle:
Principle #5Merging (Combining)

4Measurement precision

If excessive user interactions are required for form filling, then precise data input is achieved, but time consumption increases

Engineering Contradiction:
Improveprecision of data inputVSAvoidtime for user interactions
Core Design Contradiction:
Measurement precisionVSLoss of time

Solution Approach 1:

The system performs self-service by automatically retrieving source documents, extracting relevant information, generating appropriate field objects with correct data types, and populating form fields without requiring extensive user intervention. This automation maintains precision while dramatically reducing the time users spend interacting with the system.

Inventive Principle:
Principle #25Self-service

Solution Approach 2:

The system performs preliminary actions by pre-retrieving and analyzing source documents before the user needs to fill out the form. It prepares field objects with validated data types in advance, so when the user initiates form filling, the data is already ready and verified, eliminating the need for manual data entry and verification steps.

Inventive Principle:
Principle #10Preliminary action

Data Source

PatentUS12462096B2Generating field objects for auto-populating fillable documents utilizing a large language model
Publication Date: 2025.11.04 DROPBOX INC
  • US12462096B2 patent drawing
  • US12462096B2 patent drawing
  • US12462096B2 patent drawing

AI summary

The present disclosure relates to systems, non-transitory computer-readable media, and methods for modifying a fillable digital document. In particular, the disclosed systems can receive a user interaction requesting to populate one or more aggregated data fields in a fillable digital document. In response to the request, the field object generation system can determine the data relevant to one or more aggregated data fields in the fillable digital document by utilizing a large language model to process one or more source content items for a user account. Further the systems and generate a field object from the data relevant to one or more aggregated data field and modify the fillable digital document by including the field object in the fillable digital document.