# Third Chair

> Third Chair is an AI-native IP enforcement and licensing platform that helps rightsholders find who is using their content, trademarks, and likeness without permission and turn that unauthorized use into revenue. Backed by Y Combinator (X25) and FundersClub with $2.3M raised, it pairs AI agents that monitor, investigate, and draft demand letters with an on-demand network of lawyers. Customers - including Universal Music Group and much of the recorded-music industry - used the product to generate more than $1M in revenue in the last six months of 2025.

- **Founded:** 2024
- **Headquarters:** San Francisco, United States
- **Founders:** Yoav Zimmerman (CEO / Co-Founder), Shourya Lala (CTO / Co-Founder)
- **Team size:** 8-12
- **Products:** Monitor (Browser Agent), Enforce (Outreach + Contracts Agents), License
- **Notable:** Enabled customers to generate over $1M in revenue in the last six months of 2025, Works with 60%+ of the recorded music industry, including Universal Music Group, Raised $2.3M from Y Combinator and FundersClub

## Products & services

- **Monitor (Browser Agent)** — An AI agent that detects uses of copyrights, trademarks, and name-image-likeness across the web and social platforms, giving rightsholders visibility into who is using their content.
- **Enforce (Outreach + Contracts Agents)** — Agents that locate the business contacts behind unauthorized ads, verify deliverability, draft demand letters for lawyer review, and follow up - turning infringement into recovered revenue.
- **License** — Workflows that help rightsholders close more sync licenses on social platforms, accelerating deal flow and unlocking licensing revenue.

## Achievements

- Enabled customers to generate over $1M in revenue in the last six months of 2025
- Works with 60%+ of the recorded music industry, including Universal Music Group
- Raised $2.3M from Y Combinator and FundersClub
- Founded by two repeat YC founders (Trendpop YC W21, Fello YC W22)

## Latest updates

- **2026-01** — Music Ally reports Third Chair helping music firms monetize unauthorized ads, with Symphonic Distribution and Duetti among customers and plans to expand into NIL and trademark tracking.
- **2025-05** — Third Chair goes through Y Combinator's Spring 2025 (X25) batch.
- **2025-12** — Customers reported generating $1M+ in revenue through Third Chair over the last six months of 2025.

## Links

- Website: https://usethirdchair.com
- LinkedIn: http://www.linkedin.com/company/usethirdchair
- Twitter/X: https://x.com/usethirdchair

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Profile page: https://yespress.io/third-chair-yc-x25
Published by YesPress — https://yespress.io
Last updated: 2026-07-30