Prompt-Based Document Modification for Automated Revision Drafting

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Solution Overview

Problem

Existing document modification systems require users to manually draft modified sentences based on editing candidates, limiting user convenience.

Innovation Solution

A modification proposal system that divides document information into units, generates prompt information for an external information processing system, and acquires modified document units based on target document units and modification proposals, utilizing systems like large language models for automated document modification.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of operation

If users manually draft modified sentences based on editing candidates, then the system maintains simplicity, but user convenience is limited

Engineering Contradiction:
Improveuser convenienceVSAvoidsystem complexity
Core Design Contradiction:
Ease of operationVSDevice complexity

Solution Approach 1:

The patent introduces an external information processing system (AI system) as an intermediary between the user and the document modification task. The system generates prompt information that includes the target document unit, modification proposal, and instructions for the AI system to automatically generate modified document units, eliminating the need for users to manually draft modifications while maintaining system usability through a simple interface

Inventive Principle:
Principle #24Intermediary (Mediator)

Solution Approach 2:

The system enables automated self-service by having the external information processing system autonomously generate modified document units based on the provided prompt information. The AI system independently performs the modification task without requiring user intervention in the drafting process, thereby improving user convenience without proportionally increasing system complexity

Inventive Principle:
Principle #25Self-service

2Ease of operation

If automated modification is implemented using external information processing systems, then user convenience is improved, but system complexity increases

Engineering Contradiction:
Improveuser convenienceVSAvoidsystem complexity
Core Design Contradiction:
Ease of operationVSDevice complexity

Solution Approach 1:

The patent segments the document processing system into distinct functional components: a local system that prepares prompt information by dividing documents into units and formulating modification proposals, and an external AI system that generates modified document units. This segmentation allows the complexity of automated modification to be isolated in the external system while keeping the local system relatively simple

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The prompt information serves as an intermediary data structure that bridges the simple local system and the complex external AI system. It encapsulates all necessary information (target document unit, modification proposal, generation instructions) in a standardized format, allowing the local system to interact with the AI system without directly managing its complexity

Inventive Principle:
Principle #24Intermediary (Mediator)

3Measurement precision

If documents are divided into predetermined units for processing, then processing precision is improved, but processing time increases

Engineering Contradiction:
Improvemodification precisionVSAvoidprocessing time
Core Design Contradiction:
Measurement precisionVSLoss of time

Solution Approach 1:

The patent divides the document into predetermined units (sentences, paragraphs, or sections) and processes each unit independently through the automated modification system. This segmentation enables precise control over which parts of the document are modified and allows parallel processing of multiple units, improving both modification precision and overall processing efficiency

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The system performs preliminary actions by pre-dividing the document into processing units and pre-formulating modification proposals before sending them to the external AI system. This preparation work is done locally and efficiently, reducing the complexity and time required for the external system to process each unit individually

Inventive Principle:
Principle #10Preliminary action

Data Source

PatentUS20260050639A1Modification proposal method, modification proposal system, and non-transitory computer-readable medium
Publication Date: 2026.02.19 LEGALON TECHNOLOGIES INC
  • US20260050639A1 patent drawing
  • US20260050639A1 patent drawing
  • US20260050639A1 patent drawing

AI summary

A modification proposal method executed by a processor includes: generating, based on target document unit information obtained by dividing review target document information to be reviewed into predetermined units and modification proposal information regarding a modification proposal for the target document unit information, prompt information for generating modified document unit information according to the modification proposal, and outputting the prompt information to an external information processing system; and acquiring the modified document unit information generated according to the prompt information from the external information processing system.