Third Chair
PrivateLast 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
Historical Pricing
Historical view of private secondary pricing and transaction trends.
Third Chair Comps
Public and private peers based on sector, stage, and business model.
Third Chair Funding Rounds
Historical fundraising activity
| Round | Date | Amount Raised | Valuation | Investors | Sources |
|---|---|---|---|---|---|
| Early Funding | Jan 1, 2026 | ||||
| Seed | Jun 11, 2025 |
Third Chair Investors
Notable investors and investment history
| Investor | Rounds |
|---|---|
| Batch Ventures | Early Funding |
| Y Combinator | Early Funding, Seed |
| FundersClub | Early Funding, Seed |
| 468 Capital | Early 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.
| Typed | Date | Amount Offered | Amount Sold | Filling | Pages | Download |
|---|---|---|---|---|---|---|
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Frequently Asked Questions
Common questions about Third Chair's valuation, stock price, and market status.