# Patent Watch

> Patent Watch is an AI platform that turns dormant patent portfolios into revenue. It reads patents, finds products that appear to infringe them, and generates detailed claim charts in about 20 minutes instead of the months it takes patent attorneys by hand. Founded by brothers Alexander and Andreas Stroe and backed by Y Combinator's Fall 2025 batch, the company helps IP teams pursue licensing, litigation, prior-art invalidation, and M&A due diligence.

- **Founded:** 2025
- **Headquarters:** Toronto, Canada
- **Founders:** Alexander Stroe (Co-Founder & CEO), Andreas Stroe (Co-Founder)
- **Team size:** 5
- **Products:** Claim Charts, Product Mapping, Patent Search, Prior Art & Invalidity Analysis, Portfolio Analytics
- **Notable:** Accepted into Y Combinator's Fall 2025 (F25) batch, Raised a $2.8M seed round in April 2026 led by FundersClub, Reduced claim chart generation from months to roughly 20 minutes

## Products & services

- **Claim Charts** — AI-accelerated claim chart generation that maps individual patent claim elements against a product and scores each match on a 0-100 scale, with AI-assisted editing.
- **Product Mapping** — Maps a patent portfolio to potentially infringing products at scale to surface licensing and litigation targets.
- **Patent Search** — AI search across a large patent database to locate relevant patents and comparable claims.
- **Prior Art & Invalidity Analysis** — AI-powered prior-art and invalidity searches to test patent strength and support counter-litigation.
- **Portfolio Analytics** — Analytics that give IP teams a portfolio-level view of coverage, gaps, and monetization opportunities.

## Achievements

- Accepted into Y Combinator's Fall 2025 (F25) batch
- Raised a $2.8M seed round in April 2026 led by FundersClub
- Reduced claim chart generation from months to roughly 20 minutes
- Reported early recurring revenue and enterprise pilots within weeks of launch

## Latest updates

- **2026-04** — Closed a $2.8M seed round led by FundersClub, bringing total funding to roughly $3M.
- **2026-05** — Profiled by LegalTech.ca as a YC-backed Toronto startup turning patents into revenue.
- **2025-12** — Raised an initial ~$500K pre-seed while in the YC Fall 2025 batch.

## Links

- Website: https://patentwatch.ai
- LinkedIn: https://www.linkedin.com/company/patentwatch-ai
- Twitter/X: https://x.com/PatentWatchai

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Profile page: https://yespress.io/patent-watch-yc-f25
Published by YesPress — https://yespress.io
Last updated: 2026-07-30