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How Streaming Services Dynamically Insert Targeted Ads Into Videos

A method for streaming services to stitch personalized advertisements into video content by dynamically generating playlists that match the user's profile and internet speed.

Granted 2017ActiveExpires 2030Owned by Hulu LLCInvented by William Z. Holt, Xinan Wu, Alexander V. Gutarin + 2 more

Original patent title: “Method and apparatus for providing streaming media programs and targeted advertisements using multiple advertisement version segments

Plain-English explanation by SahiLast reviewed · June 15, 2026

A method for streaming services to stitch personalized advertisements into video content by dynamically generating playlists that match the user's profile and internet speed. Granted to Hulu LLC in 2017 with 21 claims and 1 forward citation.

Key facts

Patent numberUS 9721254
StatusActive
FieldConsumer Electronics
AssigneeHulu LLC
InventorsWilliam Z. Holt, Xinan Wu, Alexander V. Gutarin and 2 others
Filed2010
Granted2017
Claims21
Times cited1
LitigationNone on record
Value · $48K$153KMinimal

Coverage

What does this patent actually cover?

This patent describes a system for delivering video content and advertisements that adapt to both a user's internet connection speed and their demographic profile. It works by breaking down both the main video and the ads into small, bitrate-specific segments. When a user requests a video, the system identifies the user and selects a specific ad tailored to them. It then creates a master playlist that includes addresses for both the video and the chosen ad, ensuring the ad matches the quality of the video stream without requiring the server to constantly track the ad's state during playback.

The gap

What does this patent NOT cover?

  • Does not cover ads that are hard-coded or 'burned' directly into the video file before streaming.
  • Does not cover client-side ad insertion where the video player itself fetches ads from a separate server independently of the master playlist.
  • Does not cover methods that rely on maintaining a persistent server-side session state for the advertisement throughout the entire viewing duration.

These exclusions are unique to PatentBrief — derived from the actual claim language, not patent-office boilerplate.

What made this novel

The system embeds the advertisement's identity directly into the media playlist addresses. This allows the server to remain 'stateless' regarding the ad, meaning it doesn't have to remember which ad it chose for a specific user session once the playlist is sent.

Method and apparatus for provi…(Primary claim)consumer electronicssoftwaretelecommunicationsecommerce

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

01

Hulu ad-supported tier

02

Peacock streaming service

03

YouTube TV ad insertion

04

Dynamic Ad Insertion (DAI) in OTT platforms

Why it matters

The bigger picture

This technology is fundamental to modern ad-supported streaming services like Hulu, Peacock, and YouTube. By allowing ads to be selected and stitched into a stream at the moment of request, it enables the high-precision targeting that drives the streaming economy while maintaining a smooth, high-quality viewing experience for the user.

Filed

November 19, 2010

Granted

August 1, 2017

Market context

Who's building on this

Companies in this space

Hulu, now part of The Walt Disney Company, remains a primary user of this technology. Major streaming infrastructure providers like Akamai and Amazon Web Services also build on similar principles of manifest manipulation to enable large-scale, personalized video delivery.

Market impact

This patent helped standardize the 'server-side ad insertion' (SSAI) model, which replaced clunky, buffering-prone ad breaks with seamless transitions. It effectively enabled the shift from traditional broadcast-style advertising to the highly targeted, personalized ad models that now sustain the multi-billion dollar streaming industry.

Claim 1 — Plain English

What this patent covers

This patent describes a system for delivering video content and advertisements that adapt to both a user's internet connection speed and their demographic profile. It works by breaking down both the main video and the ads into small, bitrate-specific segments. When a user requests a video, the system identifies the user and selects a specific ad tailored to them. It then creates a master playlist that includes addresses for both the video and the chosen ad, ensuring the ad matches the quality of the video stream without requiring the server to constantly track the ad's state during playback.

The clever bit

The system embeds the advertisement's identity directly into the media playlist addresses. This allows the server to remain 'stateless' regarding the ad, meaning it doesn't have to remember which ad it chose for a specific user session once the playlist is sent.

What it does not cover

  • Does not cover ads that are hard-coded or 'burned' directly into the video file before streaming.
  • Does not cover client-side ad insertion where the video player itself fetches ads from a separate server independently of the master playlist.
  • Does not cover methods that rely on maintaining a persistent server-side session state for the advertisement throughout the entire viewing duration.

Patent timeline

Filing

Application submitted to the patent office

Publication

Application published, typically 18 months after filing

Grant

Patent officially issued

PatentBrief Score

Impact Score

Early stage

Citation count

6/40

Early citations

Claim breadth

14/20

Broad claimsclaimsThe numbered statements at the end of a patent that legally define what the inventor owns.Read more →

Recency

10/20

Granted 5–10 years ago

Assignee scale

0/20

Independent or smaller assigneeassigneeThe entity that owns the patent — usually the inventor's employer or a company.Read more →

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

Minimal

$48K$153K

Midpoint $96K · 4.4 yr remaining · industry ×1.4

Adjust inputs →

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

21 claims as filed with the patent office.

Concepts involved

ClaimPrior artNon-obviousnessNoveltySpecificationAssigneePatent term

Citations

Patent lineage

Cites earlier patents

60

earlier patents this invention cites as foundations

View prior art →

Cited by later patents

1

later patents that build on this invention

View patents →

Cite this patent

Holt, W. Z., Wu, X., Gutarin, A. V., Coudurier, B., & Li, E. S. (2017). How Streaming Services Dynamically Insert Targeted Ads Into Videos (U.S. Patent No. 9,721,254). U.S. Patent and Trademark Office. https://patentbrief.org/patent/us/9721254/uber-ride-hailing-platform

Auto-generated from the patent record. Double-check author order and the issue date against the official USPTO document before submitting.

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Common Questions

Frequently Asked Questions

What does How Streaming Services Dynamically Insert Targeted Ads Into Videos cover?

A method for streaming services to stitch personalized advertisements into video content by dynamically generating playlists that match the user's profile and internet speed.

Who owns patent US 9721254?

Hulu LLC owns this patent, granted in 2017.

When does this patent expire?

This patent is expected to expire on August 1, 2037, when the invention enters the public domain.

What is patent US 9721254 cited by?

This patent has been cited by 1 later patents that build on its ideas.

What problem does this patent solve?

This technology is fundamental to modern ad-supported streaming services like Hulu, Peacock, and YouTube. By allowing ads to be selected and stitched into a stream at the moment of request, it enables the high-precision targeting that drives the streaming economy while maintaining a smooth, high-quality viewing experience for the user.

What does this patent NOT cover?

Does not cover ads that are hard-coded or 'burned' directly into the video file before streaming.

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Last reviewed: June 15, 2026 · PatentBrief is not a law firm and this is not legal advice.