Shared Folio Synchronization for Cross-Device Collaborative Work

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Solution Overview

Problem

Existing collaborative solutions are often tied to specific applications or devices, requiring users to learn unfamiliar interfaces and rely on folder synchronization or document-centric archives, leading to reduced productivity in multi-device workflows.

Innovation Solution

The use of a folio, a cloud-based infrastructure that synchronizes content and tools across devices and users, providing a top-level, semi-transparent UI element that is agnostic to devices, applications, and time, using transaction logs for fail-over and distributed client-server architecture.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If existing collaborative solutions are tied to specific applications or devices, then application functionality is maintained, but user adaptability and ease of operation across multiple devices deteriorate

Engineering Contradiction:
Improvecross-device compatibilityVSAvoidinterface variety
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The patent applies universality by creating a device-agnostic collaboration framework where the same folio interface can be accessed across multiple device types (mobile devices, tablets, laptops, desktops) through a unified cloud-based architecture. The system provides consistent functionality regardless of the specific device or application used, eliminating the need for users to learn different interfaces for different devices.

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

Solution Approach 2:

The patent uses a cloud-based intermediary layer that mediates between different devices and applications. The folio serves as an intermediary container that can be accessed through various applications and devices, while the cloud infrastructure acts as a mediator that synchronizes data and maintains consistent state across all access points, thereby unifying the user experience without requiring direct integration between each device pair.

Inventive Principle:
Principle #24Intermediary (Mediator)

2Productivity

If folder synchronization or document-centric archives are used, then data storage is provided, but productivity in multi-device workflows deteriorates due to manual synchronization and unfamiliar interfaces

Engineering Contradiction:
Improveworkflow efficiencyVSAvoidtime for interface learning and manual sync
Core Design Contradiction:
ProductivityVSLoss of time

Solution Approach 1:

The patent implements self-service through automatic synchronization of folios across devices. The system autonomously detects changes, manages the synchronization process, and updates all devices without requiring user intervention. This eliminates the manual synchronization steps and time loss associated with traditional folder-based approaches, while the consistent folio interface eliminates the need for users to learn different synchronization mechanisms across devices.

Inventive Principle:
Principle #25Self-service

Solution Approach 2:

The patent applies preliminary action by pre-establishing the folio structure and cloud synchronization infrastructure before users begin working. The system is pre-configured to automatically synchronize any changes in real-time or near-real-time, so users never have to manually initiate synchronization. This preliminary setup eliminates the time users would otherwise spend on manual sync operations and interface learning.

Inventive Principle:
Principle #10Preliminary action

3Reliability

If cloud-based infrastructure with transaction logs is used, then reliability and fail-over capability are improved, but system complexity increases

Engineering Contradiction:
Improvefailure-resilient synchronizationVSAvoiddistributed architecture complexity
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

The patent applies segmentation by dividing the synchronization system into discrete, manageable components: client-side folio managers, cloud-based data distributor, and transaction log modules. Each component handles specific tasks independently (local caching, change detection, synchronization coordination, conflict resolution), which simplifies the overall complex distributed architecture while maintaining high reliability through modular fail-over capabilities.

Inventive Principle:
Principle #1Segmentation

Data Source

PatentUS12474883B2Method for sharing content and tools independently from devices, applications, users and times
Publication Date: 2025.11.18 MICROSOFT TECHNOLOGY LICENSING LLC
  • US12474883B2 patent drawing
  • US12474883B2 patent drawing
  • US12474883B2 patent drawing

AI summary

Systems and methods relate to sharing content and data across users and devices. A shared folios include media primitives and tools as its constituents. The use of shared folios addresses an issue of reliably and efficiently transfer user activities with data. The use addresses scenarios of both single-user work utilizing multiple devices and collaborative work among users utilizing multiple devices. The media primitive includes content in various data types. The tool include data and access to the data by devices and applications. A data distributor manages automatic synchronization of the folios across devices using centralized and distributed transaction logs The folios are synchronized with resiliency against failure in client devices. The folio and its constituents are interactively accessible through top-level, semi-transparent user interface. The media primitive and the tools may programmatically access local applications to automatically transfer user activities among users and devices.