How to Interact with Background Apps While Using Another App
A method for controlling background applications directly through a visual window inside the app you are currently using.
Original patent title: “Electronic device and method thereof for managing applications”
A method for controlling background applications directly through a visual window inside the app you are currently using. Granted to Samsung Electronics Co Ltd in 2019 with 27 claims.
Key facts
Coverage
What does this patent actually cover?
This patent describes a way to manage multiple apps simultaneously by layering them. When you are inside a main app, the device can display a second, smaller graphic of a background app behind the main app's interface. You can interact with this background app—like sharing data or resizing its window—without ever leaving the first app. The system uses distinct image layers to ensure the background app remains visible and responsive while the primary app is still active.
The gap
What does this patent NOT cover?
- Does not cover standard split-screen multitasking where two apps occupy separate, non-overlapping screen areas.
- Does not cover simple app-switching gestures that replace the current app entirely.
- Does not cover background processes that lack a visual representation or graphic interface within the primary app.
These exclusions are unique to PatentBrief — derived from the actual claim language, not patent-office boilerplate.
What made this novel
The system treats the background app as a live, interactive graphic layer that exists 'behind' the primary app's interface, allowing for data transfer via simple drag-and-drop gestures between layers.
Schematic visualization of the patent's claim structure. Hand-drawn diagrams in progress for each landmark patent.
Where you've seen this
Real-world examples
Samsung One UI multitasking features
Picture-in-picture video modes
Floating app windows on Android
Why it matters
The bigger picture
As mobile screens become more complex, users frequently need to move data between apps without losing their place. This patent provides a technical framework for 'in-place' multitasking, which reduces the friction of switching back and forth between tasks. It is part of a broader industry push to make mobile operating systems behave more like desktop environments.
Filed
September 25, 2017
Granted
December 31, 2019
Market context
Who's building on this
Companies in this space
Samsung Electronics continues to integrate these multitasking paradigms into its One UI software. Other major mobile OS developers, including Google with its Android platform, are actively refining similar layered interface technologies to improve user productivity.
Market impact
This patent supports the evolution of mobile operating systems toward more flexible, desktop-like multitasking. By formalizing how background apps are rendered and manipulated within a primary application's context, it helps define the user experience standards for modern flagship smartphones.
Claim 1 — Plain English
What this patent covers
This patent describes a way to manage multiple apps simultaneously by layering them. When you are inside a main app, the device can display a second, smaller graphic of a background app behind the main app's interface. You can interact with this background app—like sharing data or resizing its window—without ever leaving the first app. The system uses distinct image layers to ensure the background app remains visible and responsive while the primary app is still active.
The clever bit
The system treats the background app as a live, interactive graphic layer that exists 'behind' the primary app's interface, allowing for data transfer via simple drag-and-drop gestures between layers.
What it does not cover
- Does not cover standard split-screen multitasking where two apps occupy separate, non-overlapping screen areas.
- Does not cover simple app-switching gestures that replace the current app entirely.
- Does not cover background processes that lack a visual representation or graphic interface within the primary app.
Patent timeline
Application submitted to the patent office
Application published, typically 18 months after filing
Patent officially issued
PatentBrief Score
Impact Score
Moderate
Citation count
0/40
No citations yet
Claim breadth
18/20
Very broad protection
Recency
10/20
Granted 5–10 years ago
Assignee scale
20/20
Major company or institution
PatentBrief Impact Score — based on citation count, claim breadth, recency, and assignee scale. Not a legal assessment.
Heuristic Value Estimate
What this patent might be worth
$31K – $100K
Midpoint $62K · 11.3 yr remaining · industry ×1.6
Heuristic only — blends forward/backward citation counts, claim scope, time remaining, litigation history, and CPC-derived industry baseline. Real valuations need a professional appraisal.
The original legal language
Original claims
27 claims as filed with the patent office.
Concepts involved
Citations
Patent lineage
Cite this patent
CHOURASIYA, A. (2019). How to Interact with Background Apps While Using Another App (U.S. Patent No. 10,521,248). U.S. Patent and Trademark Office. https://patentbrief.org/patent/us/10521248/swiftui
Auto-generated from the patent record. Double-check author order and the issue date against the official USPTO document before submitting.
Embed
Add this patent to your site
Drop this plain-English patent card into any blog post or article — free, no signup. It always links back to the full breakdown here.
<div data-patentlens-widget data-patent-number="US10521248"></div> <script src="https://patentbrief.org/embed.js" async></script>
Stay in the loop
Get a weekly digest of new patents.
One email per week. No spam. Unsubscribe anytime.
Keep exploring
Related patents you should know
US 4683195 · 1987
How to Make Billions of Copies of a DNA Segment
This patent describes the Polymerase Chain Reaction (PCR), a method to rapidly create many copies of a specific piece of DNA or RNA, enabling its detection and analysis.
Cetus Corp
US 8697359 · 2014
How to Edit Genes in Human Cells Using an Engineered CRISPR System
This patent describes an engineered CRISPR-Cas9 system for precisely cutting DNA in eukaryotic cells to change how genes work, opening the door for gene editing in complex organisms.
Massachusetts Institute of Technology
US 7657849 · 2010
How the iPhone's Slide-to-Unlock Gesture Works
Apple's 2010 patent describes unlocking a device by dragging a specific graphical image across the touchscreen along a predefined path, a gesture that became iconic with the original iPhone.
Apple Inc
US 4733665 · 1988
How Doctors Implant a Permanent Stent Using a Balloon
This patent describes the method for placing a permanent, expandable wire mesh tube inside a blood vessel or other body tube using a balloon-tipped catheter to widen it and keep it open.
Expandable Grafts Partnership
US 4965188 · 1990
How to Make Many Copies of a DNA Piece with Heat
This patent describes the Polymerase Chain Reaction (PCR) method, a technique to make millions of copies of a specific DNA segment using a heat-resistant enzyme and repeated temperature changes.
Cetus Corp
US 4235871 · 1980
How to Encapsulate Active Materials in Lipid Bubbles Efficiently
This patent describes a method for trapping biologically active substances inside tiny, multi-layered fat bubbles called liposomes, using a specific water-in-oil emulsion and gel-forming process to improve how much material gets captured.
Individual
More to explore
More in Consumer Electronics
US 7657849 · 2010 · Apple Inc
How the iPhone's Slide-to-Unlock Gesture Works
US 7479949 · 2009 · Apple Inc
How Touchscreens Understand Your Finger Swipes and Scrolls
US 4528643 · 1985 · FPDC Inc
How Stores Make Custom Products On-Demand with Remote Approval
US 7469381 · 2008 · Apple Inc
How Touchscreens Show and Snap Back When You Scroll Past an Edge
New to patents?
Common Questions
Frequently Asked Questions
What does How to Interact with Background Apps While Using Another App cover?
A method for controlling background applications directly through a visual window inside the app you are currently using.
Who owns patent US 10521248?
Samsung Electronics Co Ltd owns this patent, granted in 2019.
When does this patent expire?
This patent is expected to expire on December 31, 2039, when the invention enters the public domain.
What problem does this patent solve?
As mobile screens become more complex, users frequently need to move data between apps without losing their place. This patent provides a technical framework for 'in-place' multitasking, which reduces the friction of switching back and forth between tasks. It is part of a broader industry push to make mobile operating systems behave more like desktop environments.
What does this patent NOT cover?
Does not cover standard split-screen multitasking where two apps occupy separate, non-overlapping screen areas.
Same assignee
More from Samsung Electronics Co Ltd
Patent monitoring