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Third Chair

Third Chair

Private
San Francisco, CaliforniaEnterprise Softwarehttps://usethirdchair.com/

Last Round

Seed

Jan 21, 2026

Total Funding Raised

$3.3M

Momentum

Top 10%

of companies Caplight tracks

Company Overview

Third Chair is a business/productivity software company that develops AI-driven legal workflow automation tools for in-house legal teams to identify intellectual property violations and monetize licensing revenue.

Sector

Enterprise Software

Verticals

Legal Tech, Workflow Automation, NLP & Conversational AI, Document Management, Compliance & Risk

Business Model

B2B

Customer Profile

Revenue Share, Subscription SaaS

AI Layer

Application

Keywords

legal techintellectual property enforcementai agentslegal automationip monetizationlegal-as-a-serviceai agentinfringement detectionai paralegalautomated legal workflowsdemand letter automationipai lawyerrevenue recoverylegal ops

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.

Third Chair comps — public and private peers by 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

Data table
RoundDateAmount RaisedValuationInvestorsSources
SeedJan 21, 2026
SeedJun 11, 2025
AcceleratorApr 1, 2025

Third Chair Investors

Notable investors and investment history

Third Chair investors
InvestorRounds
Batch VenturesSeed
Singularity CapitalSeed
Batch VenturesSeed
Y CombinatorSeed, Accelerator
FundersClubSeed
468 CapitalSeed

Market signals

Structured signals derived from secondary market and firmographic data.

  • Jun 2, 2026

    Grew 27% QoQ from 11 to 14 employees.

  • May 4, 2026

    Grew 33% QoQ, from 12 to 16 employees.

Third Chair Filings

SEC and related filings with document metadata.

Data table
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 Range14
Year Founded2024
Last FundingJan 21, 2026

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