ROSS Intelligence
ROSS Intelligence built an AI-powered legal research platform using proprietary NLP and ranking algorithms to let lawyers query case law, statutes, and regulations in natural language across all 50 U.S. states; the company shut down in January 2021 following a Thomson Reuters copyright suit over its training data.
- Company typePrivate
- Founded2015
- HeadquartersSan Francisco, United States
- Headcount11–50
- GTM typeB2B
- OfferingSoftware
What ROSS Intelligence does
ROSS Intelligence, Inc. was a privately held AI-driven legal research company founded in 2014 at the University of Toronto and headquartered in San Francisco, with engineering operations in Toronto. The company built an AI-powered legal research platform that used proprietary natural language processing, semantic search, and ranking/retrieval algorithms trained on legal corpora to let lawyers pose research questions in natural language and receive ranked, contextually relevant case law, statutes, and regulations across all 50 U.S. states and federal law. Core product modules included the Decision Reader interface, Find Similar Language semantic search, automatic jurisdiction/date filtering via named entity recognition, and a free Chrome browser extension; the platform achieved nationwide primary-authority coverage through a content partnership with Fastcase. ROSS operated a subscription SaaS model with a 14-day free trial, self-serve signup, group discounts for solo and small firms, and channel distribution via approved member-benefit relationships with the Illinois State Bar Association and The Florida Bar, plus an academic access program providing free seats to law students and faculty. The company served law firms of all sizes, solo practitioners, pro se litigants, and law schools, and was backed by Y Combinator, iNovia Capital, Comcast Ventures, and Dentons (Nextlaw Labs), with strategic partnerships with Clio and OpenAI.
ROSS shut down platform operations on January 31, 2021 after a May 2020 copyright infringement suit by Thomson Reuters — alleging ROSS used Westlaw headnotes to train its AI — prevented the company from raising its next funding round. A U.S. District Court for the District of Delaware ruled in February 2025 that ROSS infringed Thomson Reuters' copyrights and rejected the fair use defense; ROSS filed an appeal in April 2025, and the entity continues as a going concern solely for litigation purposes. Total disclosed funding prior to shutdown was approximately $13.1M across seed, 2016, and 2017 rounds. The ROSS case has become a landmark precedent concerning the use of proprietary legal content to train AI systems.
ROSS Intelligence firmographics
Firmographics- Name
- ROSS Intelligence
- Legal name
- ROSS Intelligence, Inc.
- Website
- https://blog.rossintelligence.com
- Company type
- Private
- Founded year
- 2015
- Operating status
- Closed
- Headcount range
- 11–50 employees
- Short description
- ROSS Intelligence built an AI-powered legal research platform using proprietary NLP and ranking algorithms to let lawyers query case law, statutes, and regulations in natural language across all 50 U.S. states; the company shut down in January 2021 following a Thomson Reuters copyright suit over its training data.
- Ownership category
- akta.pro rank
ROSS Intelligence industry classification
Industry- Product category
- Legal Research Software
- NAICS
- Software Publishers (5132)
- SIC
- Services-Computer Programming, Data Processing, Etc. (7370)
- akta.pro primary industry
- Enterprise AI Data & Knowledge Platforms (Vector Databases, Knowledge Graphs) (HDAEANAH)
- akta.pro secondary industry
- Q&A and Knowledge Discovery Platforms (BPAMAAAF)
Keywords
Where ROSS Intelligence is headquartered
LocationHeadquarters
- HQ city
- San Francisco
- HQ country
- United States
- HQ region
- North America
Offices2 records
Markets served
ROSS Intelligence business model
Business model- GTM type
- B2B
- Offering type
- Software
- Cost components
- Technology or R&D, Personnel, Marketing or Sales, Operations
Revenue model
- SaaS Subscription: ROSS operated as a subscription-based SaaS platform for legal research. Users paid recurring subscription fees for access to the AI-powered legal research platform. The company offered group discount programs for solo and small firm practices, and bar association members received preferential pricing (e.g., 10% discount for ISBA members for the first 12 months).
Pricing tiers
| Model | Billing | Price |
|---|---|---|
| Subscription | Annual | Standard subscription with group discounts available |
Go-to-market motion3 records
Distribution channels4 records
Marketing channels5 records
ROSS Intelligence product offering
Product offeringCore offering
ROSS Intelligence developed an AI-powered legal research platform that used proprietary natural language processing and machine learning ranking algorithms to retrieve and rank relevant case law, statutes, and regulations from across all 50 U.S. states in response to natural language queries. The platform replaced Boolean keyword research with semantic search, allowing attorneys to phrase questions conversationally. It was offered primarily as a subscription-based SaaS product to law firms, solo practitioners, bar associations, and law schools.
Product overview
ROSS Intelligence offers an AI-powered legal research platform centered on its core proprietary AI technology. The platform combines a primary natural language search interface with specialized modules including the Decision Reader for analyzing court opinions, the Find Similar Language feature for concept-based case discovery, and an integrated statutes and regulations database covering all 50 U.S. states plus federal law. A free Chrome browser extension extends ROSS's semantic search capabilities to legal content anywhere on the web. The platform also incorporated an OpenAI API integration for prototyping additional features like summarization and document comparison.
Differentiator
Problem solved
Functional benefit
Products and services
- ROSS AI Legal Research Platform Subscription-based AI-powered legal research platform that uses proprietary natural language processing and machine learning to retrieve and rank relevant case law, statutes, and regulations from millions of decisions in response to conversational queries. Sold to law firms of all sizes, solo practitioners, bar associations, and law students.
- ROSS Legal Research Chrome Extension Free standalone browser extension for Google Chrome that extends ROSS's semantic legal search and citator capabilities to any text on the open web. Available for free download from the Chrome Web Store and used as a top-of-funnel acquisition channel for the paid platform.
Quantifiable outcome
- Law firms report improved billing realization rates due to increased confidence in research quality and ability to demonstrate value to clients
- +2 more outcomes
Companies that use ROSS Intelligence
Customer profileNamed customers4 records
Segments4 records
Ideal customer profiles4 records
ROSS Intelligence technology and API
TechnologyTechnology focussed Yes
API detail
- Has API
- Yes
- API docs
- API detail
Core technology
AI maturity
App detail
Integration1 record
AI capability5 records
Feature8 records
ROSS Intelligence partnerships and signals
Strategic signalPartnerships
Seven partnerships are on record, tiered core and minor.
- OpenAIcoreROSS was a launch partner with OpenAI on their first commercial product: an API. ROSS worked with OpenAI to refine the API product, testing its accuracy, speed, flexibility, and usefulness in the legal domain. ROSS used the API to create prototypes including meeting summarization and cross-jurisdiction legislation comparison tools.
- FastcasecoreContent, research, and development partnership enabling both parties to innovate more quickly. As a result of the Fastcase partnership, ROSS achieved data completeness within its platform, containing case law, statutes, and regulations across all 50 states.
- CliocorePartnership announced to redefine legal research. Clio had recently raised $250M USD, the largest investment in legal technology history, to deepen and expand their platform offerings. Clio CEO Jack Newton was appointed to ROSS's Board of Directors.
- Illinois State Bar AssociationcoreROSS offered a member benefit for ISBA's 29,000+ members. Members received a 14-day free trial and 10% discount on the first 12 months of subscription via coupon code. ROSS had existing users among Illinois attorneys, paralegals, law students, and librarians.
- The Florida BarcoreROSS was approved as an official member benefit of The Florida Bar. Some Florida Bar members had already been using ROSS's AI legal research software for several years in limited capacity before the official approval.
- Siskind SusserminorLeading immigration law firm that partnered with ROSS Intelligence, noted as the first in its field to incorporate web-based legal technology.
- Jack NewtoncoreCo-Founder and CEO of Clio appointed to ROSS Intelligence's Board of Directors to help guide the company's growth.
Scale indicators3 records
Recent moves9 records
Expansion highlights5 records
ROSS Intelligence competitors and assessment
Company assessmentBroad incumbents
- Thomson Reuters (Westlaw): Westlaw is the dominant legal research platform and the plaintiff in the copyright suit against ROSS. It offers overlapping AI-augmented legal research capabilities as part of a much broader legal information portfolio, and represents the entrenched incumbent ROSS was built to disrupt.
- LexisNexis: LexisNexis is one of the two dominant legal research platforms alongside Westlaw. It filed an amicus brief supporting Thomson Reuters against ROSS and now offers its own AI-augmented legal research capabilities through Lexis+ AI, directly competing with ROSS's original value proposition.
- Bloomberg Law: Bloomberg Law is a comprehensive legal research and analysis platform competing with Westlaw and Lexis. It serves large law firm and corporate counsel segments with AI-augmented research tools, representing another broad incumbent in the legal research category.
- Wolters Kluwer Legal & Regulatory: Wolters Kluwer is a major provider of legal information and software (including Kluwer Law International and Loislaw). As a broad incumbent with significant legal publishing assets, it competes with ROSS's vision of comprehensive, AI-enabled legal information access.
Direct peers
- Casetext: Casetext was a direct AI legal research competitor offering natural language search across case law. It was acquired by Thomson Reuters in 2023 for $650M, and its CoCounsel AI product is now embedded into Westlaw, making it the most direct historical peer in the AI legal research category ROSS pioneered.
- Fastcase: Fastcase is a legal research platform that was both a content partner to ROSS (providing case law data) and a direct competitor offering AI-augmented search. The two companies collaborated closely, and Fastcase's content completeness enabled ROSS's 50-state coverage.
- vLex: vLex (formerly vLex/Vincent AI) is an AI-powered legal research platform operating globally with Vincent AI providing natural language search across case law and statutes. It directly competes with ROSS's original product concept of AI-driven legal research beyond the Westlaw/Lexis duopoly.
- Clio: Clio is a leading legal practice management platform and was ROSS's strategic partner, with Clio's CEO Jack Newton sitting on ROSS's board. Clio raised $250M (then the largest legal tech investment ever) and serves the same SMB law firm customer segment that ROSS targeted.
Emerging players
- Harvey AI: Harvey is an AI legal research and drafting platform built on top of foundation models, serving large law firms. It represents the modern successor approach to ROSS's vision: AI-powered legal assistance for lawyers, though with a different technical architecture (LLM-based vs. ROSS's proprietary ranking algorithms).
- Spellbook: Spellbook is an AI legal assistant focused on contract drafting and review for lawyers. While narrower than ROSS's research platform, it represents the same wave of AI tools for legal professionals and targets an overlapping customer base of practicing attorneys.
Market position
Strengths4 records
Weaknesses4 records
Competitive moat4 records
Key risks5 records
Key highlights6 records
Customer concentration
ROSS Intelligence social profiles
Digital presenceROSS Intelligence financial estimates
Financial estimateRevenue estimate
Valuation estimate
ROSS Intelligence leadership team
Management profileNumber of profiles
ROSS Intelligence funding detail
Funding detailFunding overview
Funding rounds6 records
Investors16 records
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
ROSS Intelligence M&A and investment
M&A and investmentM&A
Investments
M&A and investment is available on the Subscription and Enterprise plan.Contact sales →
Frequently asked questions about ROSS Intelligence
What does ROSS Intelligence do?
ROSS Intelligence developed an AI-powered legal research platform that used proprietary natural language processing and machine learning ranking algorithms to retrieve and rank relevant case law, statutes, and regulations from across all 50 U.S. states in response to natural language queries. The platform replaced Boolean keyword research with semantic search, allowing attorneys to phrase questions conversationally. It was offered primarily as a subscription-based SaaS product to law firms, solo practitioners, bar associations, and law schools.
Is ROSS Intelligence a public or private company?
ROSS Intelligence is a private company. It is classified as venture growth investor backed and is currently closed.
When was ROSS Intelligence founded?
ROSS Intelligence was founded in 2015. It employs 11 to 50 people.
Where is ROSS Intelligence based?
ROSS Intelligence is headquartered in San Francisco, United States, in the North America region.
How does ROSS Intelligence make money?
One revenue line is on record: saaS Subscription.
Who are ROSS Intelligence's main competitors?
Broad incumbents on record are Thomson Reuters (Westlaw), LexisNexis, Bloomberg Law and Wolters Kluwer Legal & Regulatory. Direct peers are Casetext, Fastcase, vLex and Clio. Emerging players are Harvey AI and Spellbook.
Does ROSS Intelligence have an API?
Yes. ROSS Intelligence partnered with OpenAI as a launch partner for OpenAI's first commercial API product. The OpenAI API enabled ROSS to create prototypes for summarization, content generation, and semantic search capabilities. ROSS engineers were testing the API's accuracy, speed, flexibility, and usefulness in the legal domain. The API integration allowed ROSS to quickly prototype and iterate new features without drastic alterations to their existing AI search system. Developer documentation is at openai.com/api.
What industry is ROSS Intelligence in?
ROSS Intelligence's product category is Legal Research Software. Its primary akta.pro industry code is HDAEANAH, Enterprise AI Data & Knowledge Platforms (Vector Databases, Knowledge Graphs), with a secondary code of BPAMAAAF, Q&A and Knowledge Discovery Platforms. Its NAICS code is 5132 and its SIC code is 7370.