Third Chair

Third Chair

Private
San Francisco, CaliforniaAI, Data & Cloud Infrastructurehttps://usethirdchair.com

Last Round

Early Funding

Jan 1, 2026

Total Funding Raised

$2.8M

Momentum Score

100 /100

Company Overview

Third Chair is a technology company that develops legal workflow automation tools for in-house legal teams, particularly in the media and entertainment sectors. The company's platform uses AI agents to identify intellectual property (IP) violations in advertising, automate outreach, and streamline the process of collecting licensing fees. Backed by Y Combinator, the company aims to help rights holders and legal professionals protect and monetize their creative assets by turning unauthorized IP usage into licensing revenue. The legal name of the company is Watchdog Ai, Inc.

Sector

AI, Data & Cloud Infrastructure

Verticals

Legal Tech, Workflow Automation, Vertical SaaS, Compliance & Risk

Business Model

B2B

Customer Profile

Services & Consulting, Subscription SaaS, Revenue Share

AI Layer

Application

Keywords

IP infringementIP enforcementAI agentslegal workflow automationrevenue recoveryAI for legallegal techIP monetizationbrand protectioncopyright infringementtrademark infringementanti-piracysocial media monitoringdemand letter draftingmanaged servicein-house legal tools

Historical Pricing

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Caplight Momentum Score

Proprietary index based on bid/ask volume and sentiment.

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Third Chair Comps

Public and private peers based on sector, stage, and business model.

CompanyStatusEst. ValuationRev Multiple
OpenAIPrivate$86.0B~40x
CoherePrivate$5.0B--
Competitor 1Public$XX.XBXXx
Competitor 2Public$XX.XBXXx

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Third Chair Funding Rounds

Historical fundraising activity

RoundDateAmount RaisedValuationInvestorsSources
Early FundingJan 1, 2026
SeedJun 11, 2025

Third Chair Investors

Notable investors and investment history

InvestorRounds
Batch VenturesEarly Funding
Y CombinatorEarly Funding, Seed
FundersClubEarly Funding, Seed
468 CapitalEarly Funding

Market signals

Structured signals derived from secondary market and firmographic data.

  • May 4, 2026

    Grew 33% QoQ, from 12 to 16 employees.

  • Apr 20, 2026

    Monthly visitors grew 96% MoM, reaching 2.4K.

Third Chair Filings

SEC and related filings with document metadata.

TypedDateAmount OfferedAmount SoldFillingPagesDownload
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Third Chair Filings

SEC and related filings with document metadata.

Frequently Asked Questions

Common questions about Third Chair's valuation, stock price, and market status.

Firmographic Details

HeadquartersSan Francisco, California
Employee Range16
Year Founded2024
Last FundingJan 1, 2026

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