A new way to access patent intelligence. Meet your AI assistant, LexisNexis® Protégé™ in PatentSight+™ for strategic patent analysis. Explore Now
Business people chatting at corporate event, meeting in corporate bar by large window, young man using laptop

The new shape of AI patent risk

Artificial intelligence patenting has reached meaningful scale, but the larger signal is structural. Ownership is fragmented, litigation is becoming more active in mature domains, and foundational AI is now important enough to inspire shared licensing models such as SAIL.

The AI landscape is large, distributed, and moving into a more contested phase.

790K
Patent families across four core AI domains

Machine learning, natural language processing, computer vision, and generative AI.

2.5x
Machine learning litigation growth

Litigation events rose more than 2.5 times from 2024 to 2025.

0.05%
Share held by PAEs

Small by count, but concentrated enough to create targeted enforcement risk.

~2,800
Patent families aligned with SAIL scope

A focused subset of foundational AI technologies rather than the whole

Why the risk picture is changing now

AI is no longer a single monolithic category. It is a broad technology stack spanning machine learning, natural language processing, computer vision, and generative AI, each with different levels of maturity, ownership patterns, and enforcement signals. Together, these four domains already represent about 790,000 patent families, which means exposure can expand quickly as organizations deploy AI across products, processes, and infrastructure.

The analysis uses AI-specific technology classifiers built with LexisNexis® Classification to separate machine learning, natural language processing, computer vision, and generative AI into comparable domains.

393K
Machine learning

The largest domain in the analysis, with the clearest recent escalation in litigation activity.

219K
Computer vision

A mature domain with an earlier litigation wave that has settled into steadier activity.

153K
Natural language processing

A substantial domain with sustained litigation pressure and notable PAE exposure.

23K
Generative AI

Still the smallest by volume, but increasingly important because foundational technologies scale across many use cases.

Machine learning is the widest and most active field

Data-driven models that improve through training underpin decision support, optimization, and prediction across industries.

Insights icon

Natural language processing remains strategically exposed

Technologies for understanding and generating language already support large product surfaces and service workflows.

Computer vision is mature enough to show historical cycles

Image and video interpretation has already experienced earlier litigation waves, giving innovators a view of how disputes can evolve over time.

Generative AI is still early, but not peripheral

Foundational models, training methods, evaluation layers, and integration tooling can influence an entire ecosystem, not just one application.

A fragmented market can still produce concentrated risk

Even when top owners hold a relatively modest share of patents, enforcement risk can still come from many directions because the remaining portfolios are spread across a long tail of owners.

Top 10 ownership share by domain

Global figures and views excluding China tell different stories. Removing China often raises concentration in machine learning, natural language processing, and computer vision, while generative AI becomes more distributed.

  • Machine learning
    Global top 10 share: 12.2% | Excluding China: 16.7%
  • Natural language processing
    Global top 10 share: 12.0% | Excluding China: 26.1%
  • Computer vision
    Global top 10 share: 13.1% | Excluding China: 22.5%
  • Generative AI
    Global top 10 share: 25.5% | Excluding China: 9.7%

What the comparison suggests

  • China materially shapes the apparent fragmentation of machine learning, natural language processing, and computer vision when global patenting is viewed as a whole.
  • Generative AI behaves differently. The higher global top 10 share suggests concentrated early leadership, while the lower share excluding China points to a broader set of non-China players.
  • For innovators, fragmentation does not reduce risk. It often makes exposure harder to map because the relevant patents can sit outside the best-known portfolios.

Broad base, rising pressure

Machine learning remains deeply fragmented globally, but concentration increases once China is removed. That mix of scale and dispersed ownership helps explain why litigation activity can rise quickly.

Fragmentation hides important control points

The global top 10 share is modest, yet the ex-China view rises sharply. That suggests a field where a relatively small number of non-China portfolios may carry disproportionate strategic weight.

Maturity and breadth coexist

Computer vision combines a large installed base of patents with a long tail of owners. The result is a domain where historical precedent and ongoing commercial relevance overlap.

Early concentration sits at the core layer

Generative AI is more concentrated globally than the other domains, which reinforces why foundational technologies, model tooling, and shared licensing have become focal points so early.

This comparison shows how concentration changes once the largest national filing base is removed and why the excluding-China view sharpens strategic control points.

ML: Top Owners & Portfolio Share (Excl.China)

NLP: Top Owners & Portfolio Share (Excl.China)

CV: Top Owners & Portfolio Share (Excl.China)

Gen AI: Top Owners & Portfolio Share (Excl.China)

Litigation is not evenly distributed across AI

Different AI domains are showing different maturity patterns. That makes it more useful to read litigation as a set of domain-specific signals rather than one aggregated trend line.

Recent acceleration stands out

Machine learning has the largest total landscape and 158 litigation events in the analyzed set. Events rose more than 2.5 times from 2024 to 2025, which points to an enforcement environment that may stay elevated as adoption spreads further into enterprise systems and infrastructure.

Litigation pressure is broad and persistent

Natural language processing recorded 880 litigation events, the highest figure in the analysis. After rising again around 2020, activity has stayed elevated, suggesting a domain where foundational claims and downstream product use can continue to intersect.

An earlier wave offers a cautionary pattern

Computer vision logged 593 litigation events. The pattern shows a sharp surge around 2012 and 2013, followed by a decline and then a steadier level from 2019 onward. That cycle matters because it shows how quickly a growing technical field can become litigated once commercial applications broaden.

Low event counts should not be mistaken for low future risk

Generative AI shows only 14 litigation events in the current data set. That reflects a smaller and newer landscape, not immunity. If foundational patents keep accumulating around models, training, evaluation, and integration, the domain may follow a path already seen in older AI fields.

The practical read

The litigation story is not that every AI domain is equally dangerous today. It is that maturity patterns matter. Machine learning and natural language processing already show active pressure. Computer vision offers a historical precedent. Generative AI is still early, but it sits close to the foundational layer where future disputes can have wide impact.

NAMED PARTIES

The plaintiff and defendant record is easiest to understand in context

Each litigation trend becomes more concrete when viewed alongside the named plaintiffs and defendants. The tables below show how the mix of parties changes by domain, and how quickly foundational claims travel into large operating companies.

Machine learning

Recent acceleration is paired with a party list that mixes assertion-oriented entities, chip-linked transfers, and major platform defendants.

Machine learning litigation
This view combines the litigation trend with named plaintiffs and defendants for a single-page read of pace, scale, and exposure.

The combination reinforces how quickly machine learning claims can move from portfolio ownership into broad commercial exposure.

Plaintiffs: Rondevoo Technologies, Fractal Networks, Tesla

Defendants: Google, Microsoft, Intel

Count of litigation events in ML

Top Plaintiffs
Rondevoo Technologies LLC
Modern Telecom Systems LLC
Mobile Health Innovative Solutions LLC
Bush Seismic Technologies LLC
Patent Armory Inc.
Fractal Networks LLC
Dental Monitoring SAS
Webroot Inc.
Fred Bassali
Bally Technologies Inc.
Tesla Inc.
Tempus AI Inc.
Metarail Inc.
Health Discovery Corporation
All Terminal Services LLC
Top Defendants
Google LLC
Tesla Inc.
Align Technology Inc.
Johnson Controls Inc.
Microsoft Corporation
Business Intelligence Systems Solutions Inc.
Guardant Health Inc.
Intel Corporation
Roboflow Inc.
Asustek Computer Inc.
Autonomous Devices Inc.
H2O.AI Inc.
Katherine K. Vidal
MicroStrategy Inc.
Mindshare Medical Inc.

Natural language processing

Natural language processing remains the most established litigation field in the study, with a deep record of repeat defendants and high-value enforcement targets.

The table makes clear that foundational language claims already reach widely distributed product and cloud ecosystems.

Plaintiffs: LINFO IP, Cedar Lane Technologies

Defendants: Google, Apple, Amazon, Microsoft

Count of litigation events in NLP

Top Plaintiffs
LINFO IP, LLC
Cedar Lane Technologies, Inc.
IPA Technologies, Inc.
Hitel Technologies, LLC
Spider Search Analytics, LLC
R2 Solutions, LLC
Ultratec, Inc.
Semantic Search Technologies, LLC
Verna IP Holdings, LLC
Google LLC
DataCloud Technologies, LLC
Selene Communication Technologies, LLC
UnoWeb Virtual, LLC
Milestone IP, LLC
Apple, Inc.
Top Defendants
Google LLC
Apple, Inc.
Amazon.com, Inc.
Microsoft Corporation
CaptionCall, LLC
Samsung Electronics Co., Ltd.
[unknown]
Sonos, Inc.
IPA Technologies Inc.
Sorenson Communications, Inc.
MotionPoint Corporation
Facebook, Inc.
International Trade Commission
LG Electronics, Inc.
Taasera Licensing LLC

Natural language processing litigation
This view shows the highest litigation event count in the analysis alongside a defendant set dominated by the largest software and platform players.

Computer vision

Computer vision offers the clearest historical precedent in the analysis, with a matured litigation pattern and a defendant base spanning several industries.

The table format shows how computer vision disputes traveled well beyond a single product category.

Plaintiffs: Unified Messaging Solutions, Intellectual Ventures

Defendants: BMW, Samsung, Apple

Count of litigation events in Computer vision

Top Plaintiffs
Unified Messaging Solutions, LLC
Scanning Technologies Innovations, LLC
Canatelo, LLC
Pebble Tide LLC
Express Card Systems, LLC
Stragent LLC
West View Research, LLC
Andra Group, LP
United Services Automobile Association
Eagle View Technologies, Inc.
NorthStar Systems LLC
Content Aware, LLC
Flexiworld Technologies, Inc.
Intellectual Ventures I LLC
Wapp Tech Limited Partnership
Top Defendants
Smart Mobile Technologies LLC
PNC Bank National Association
Camtek Ltd.
Google LLC
Facebook, Inc.
United Services Automobile Association
BMW of North America, LLC
Bayerische Motoren Werke AG
International Trade Commission
Xactware Solutions, Inc.
Apple, Inc.
MapleBear Inc.
Motive Technologies Inc.
Roku, Inc.
Samsung Electronics Co., Ltd.

Computer vision litigation
The earlier dispute wave is visible in the chart, while the party lists show how claims moved into automotive, electronics, and consumer-device contexts.

Generative AI

The layout makes the early but distinct risk pattern visible without overstating its present scale.

Generative AI is the newest litigation field in the analysis, but the party list already shows how quickly model-linked claims can attach to emerging application providers.

Defendants: Canva, Eleven Labs, Synthesia

Plaintiffs: Cedar Lane, Sanas.AI

Count of litigation events in GenAI

Top Plaintiffs
Cedar Lane Technologies, Inc.
Balor Audio, LLC
Sanas.AI Inc.
Infinity Cube Ltd.
Top Defendants
Ableton, Inc.
Avid Technology, Inc.
Bandlab U.S.A., Inc.
Canva US, Inc.
Descript, Inc.
Eleven Labs Inc.
Krisp Technologies, Inc.
Mangolytics, Inc.
Mark of the Unicorn, Inc.
Neosapience, Inc.
Resemble AI Inc.
Speechify, Inc.
Synthesia Ltd
Tracktion Software Corp.

Generative AI litigation
The current event count is still small, but the landscape already shows an identifiable set of named parties around synthetic media and model-enabled workflows.

Explore litigation activities and top plaintiffs and defendants in your technology fields

A small PAE footprint can still carry strategic weight

Patent assertion entities hold a tiny share of total AI patent families, but their portfolios are concentrated enough to support targeted litigation in strategically chosen domains.

PAEs hold a small slice of the whole

393

Active patent families are identified as PAE-held across the four AI domains, out of a total landscape of about 790,000 families.

Ownership is tightly concentrated

80%

The top 15 PAEs hold about 80 percent of PAE-owned AI patents, and the top five control roughly 68 percent.

Natural language processing stands out

239

Natural language processing accounts for the largest share of PAE-owned families in the analysis and shows active disputes involving major technology companies.

Natural language processing is the sharpest PAE signal

  • Dialect LLC holds a small but high-impact portfolio and has pursued cases against Amazon, Microsoft, Salesforce, and Meta.
  • VB Assets also traces back to Voicebox-originated patents and has been involved in disputes with Amazon, Apple, and SoundHound AI.
  • The lesson is not just volume. Small portfolios with focused claims can still be influential.

Machine learning and computer vision show targeted acquisitions

  • Lodestar Licensing appears in both machine learning and computer vision through Micron-originated patents with chip-related relevance.
  • Cloud Byte and Fractal Networks illustrate how transferred portfolios can create new assertion paths.
  • Computer vision also includes newer enforcement entities such as Artificial Intelligence Industry Association.

Software orientation matters

  • The pattern points to a strong skew toward software-related patents across PAEs.
  • That raises the relevance of claims that travel easily across applications, services, and enterprise workflows.
  • Generative AI exposure is still low by count today, but early-stage concentration can change quickly as portfolios consolidate.

Why this matters for operating teams

PAE exposure in AI is not yet a scale story. It is a selectivity story. A relatively small number of entities can still create pressure if they control high-impact patents in technologies that sit inside widely adopted software and model workflows.

72

Machine learning PAE-held families in the analysis.

Insights icon

239

Natural language processing PAE-held families, the largest PAE exposure among the four domains.

76

Computer vision PAE-held families, with newer assertion entrants joining the field.

7

Generative AI PAE-held families today, which is low, but consistent with an early-stage field.

PAE ownership overview

This summary view shows how a small group of patent assertion entities controls most PAE-held AI families despite their modest share of the total landscape.

Learn more about the PAE dynamics in your core technology field

How licensing-focused R&D players shape AI patent dynamics

Adeia and InterDigital show how monetization power can sit with portfolio builders rather than end-user product companies.

Adeia shows a broad portfolio with a notable concentration in natural language processing, while InterDigital is more machine learning-led. Their presence matters because meaningful AI leverage can come from organizations whose core role is portfolio development and monetization rather than end-user product delivery.

SAIL points to a new response at the foundational layer

The Shared AI License initiative is not designed to cover all AI. It focuses on the parts of the stack where patent friction could slow an entire ecosystem rather than a single application.

SAIL is structured as a defensive patent commons in which members cross-license certain AI patents on a royalty-free basis. The practical signal is important: participants are trying to reduce litigation around the technical building blocks of foundation models, rather than around end-user product features.

What falls inside scope

  • Foundation models
  • Training, fine-tuning, and adaptation methods
  • Testing, verification, validation, and monitoring
  • Integration layers, APIs, and programming frameworks
  • Safety mechanisms, controls, and oversight capabilities

What falls outside scope

  • End-user applications built on foundation models
  • Domain-specific implementations at the application layer
  • Product features intended primarily for user workflows
  • Hardware infrastructure and physical architectures
  • General downstream use cases in sectors such as design, finance, or life sciences

Translating the SAIL agreement into a patent search produced about 2,800 patent families aligned with the initiative’s defined scope, which suggests a focused but strategically important slice of the broader AI market.

SAIL technology cluster view

This chart maps the initiative’s technology center of gravity around foundational AI capabilities rather than downstream application categories.

Portfolio size and impact within scope

This comparison shows why portfolio relevance and LexisNexis Patent Asset Index together give a more useful signal than raw patent volume alone.

Member structure is deliberately selective

Founding and board members include Anthropic, IBM, Meta, Microsoft, and Genentech. Additional members include Block, Figma, Canon, and observers such as eBay and TD Bank Group.

Portfolio alignment differs widely by participant

Some members contribute a small portion of their AI portfolios to foundational technologies, while others align much more heavily. Anthropic stands out as having an especially high share of patents that fit the SAIL criteria. Portfolio impact was assessed using the LexisNexis Patent Asset Index, combining technology relevance and market coverage.

Applied AI is not the same as foundational AI

Block, Figma, and Genentech show meaningful AI activity, but the analysis places most of it at the application layer. Their patents largely support financial workflows, design experiences, or biomedical use cases rather than the enabling technologies SAIL is built to cover.

What SAIL really signals

SAIL suggests that the highest perceived patent risk sits in shared technical infrastructure such as model development, evaluation, integration, and safety. That is where a single patent can affect many companies at once, and where cooperative licensing starts to make strategic sense.

Founding and core members

These participants sit inside the core licensing network and shape the initiative’s direction as well as its practical defensive value.

Additional members

Additional members contribute patents and receive licenses, but the analysis indicates their alignment with foundational AI can vary widely by portfolio composition.

Observers and potential future participants

Observers will monitor how the initiative evolves and whether joining becomes strategically attractive.

Share of SAIL-aligned patents across portfolios

This chart makes the portfolio concentration point visible, especially the much higher alignment shown for Anthropic relative to the rest of the current group.

Potential additional U.S. participants

The screening table shows how the analysis extends beyond current members and identifies other U.S. companies with meaningful foundational AI relevance.

Geographic comparison in foundational AI

The country-level comparison places the combined SAIL portfolio alongside large regional clusters across the United States, China, Japan, Korea, and Europe.

Applied AI that sits outside the framework

This visual shows why several current participants have visible AI portfolios that still fall mostly outside SAIL’s foundational scope.

Why some members sit mostly outside scope

This chart makes the portfolio concentration point visible, especially the much higher alignment shown for Anthropic relative to the rest of the current group.

How the analysis extends beyond current members

The screening table shows how the analysis extends beyond current members and identifies other U.S. companies with meaningful foundational AI relevance.

Looking to evaluate your portfolio or a competitor’s position?

Three strategic implications stand out

The most resilient AI IP strategies start with visibility, then layer in forward-looking monitoring and a realistic view of where collaboration can reduce structural risk.

Visibility into foundational technologies matters more than ever

If you cannot see which patents cover core AI capabilities, ownership changes, and technology boundaries, it becomes harder to assess exposure before products and partnerships scale.

Litigation risk is likely to widen with adoption

Companies do not need to build models in-house to become exposed. As AI becomes embedded across tools, services, and workflows, more organizations may find themselves inside the path of assertion activity.

Collaboration models are becoming part of IP strategy

SAIL shows that for foundational AI, portfolio strategy is no longer only about exclusion or bilateral licensing. It can also include shared defensive structures that lower friction across an ecosystem.