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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 25%

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

Subscription SaaS, Revenue Share

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 Comparables

Compare Third Chair with similar companies based on industry and business-model similarity.

Third Chair comparables — related companies by embedding similarity
CompanySimilarityMarket Cap
Lawyerd
69%
Vobile Group Limited
62%
Corsearch
60%

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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