Third Chair
YC X25 · Active · AI-Native IP Enforcement Agent
Competitors
| Company | Category | Status | Program |
|---|---|---|---|
 ErinysShared: lawyer, native, legalActiveAI | AI | Active | YCS26 |
Adjacent
| Company | Category | Status | Program |
|---|---|---|---|
 RelawShared: native, legalActiveAI | AI | Active | YCF25 |
 LegoraShared: lawyer, legalActiveAI | AI | Active | YCW24 |
 Version Story CompareShared: lawyer, legalActiveAI | AI | Active | YCW21 |
 DraftwiseShared: lawyer, work, legalActiveAI | AI | Active | YCS20 |
 CrimsonShared: lawyer, legalActiveAI | AI | Active | YCX25 |
Also from X25 in AI
All of X25
Founders
- Yoav ZimmermanFounder/CEO
- Shourya LalaFounder/CTO
About Third Chair
Third Chair works with IP rightsholders to enforce and monetize their rights, supported by an on-demand network of top lawyers to step in when you need them. We’ve started with revenue-generating workflows, giving media companies visibility into who’s using their content and helping them turn unauthorized ads into a predictable income stream. The biggest media and entertainment companies like Universal Music Group in the world rely on Third Chair to enforce their intellectual property, unlock licensing revenue, and accelerate deal flow.
- YC batch
- X25 · Spring 2025
- Status, per YC
- Active
- Category
- AI
- Team size
- 8
- Location
- San Francisco, CA, USA; Remote
- Founded
- 2024
- Checked
- 33m ago
Third Chair: questions
Which YC batch was Third Chair in?
Third Chair was in Y Combinator's Spring 2025 batch (X25).
Is Third Chair still active?
Y Combinator lists Third Chair as active.
Who founded Third Chair?
Third Chair's founders, as listed on its YC page: Yoav Zimmerman (Founder/CEO), Shourya Lala (Founder/CTO).
Where is Third Chair based?
Third Chair lists San Francisco, CA, USA; Remote as its location on YC's directory.
Sources: each program's public company list, read twice a week. Not affiliated with Y Combinator or any other program. Logos via logo.dev; trademarks belong to their owners.