MentionFox
Home › funding signals › Patent Watch
Accelerator · announced

Patent Watch (YC F25) — AI for detecting patent infringements

We automate patent infringement detection. Our software interprets patents, identifies competing products, and generates claim charts showing who’s infringing and how.

Patent Watch is a Y Combinator company in the Fall 2025 batch. Its directory entry describes it as: AI for detecting patent infringements. The founders listed are Alexander Stroe (Founder/CEO), Andreas Stroe (Founder/CTO) (Y Combinator directory entry, September 21, 2025).

6 more companies from YC Fall 2025 ↓

Run the free check on Patent Watch →

Sell to companies like Patent Watch? Enter your website and see 10 with a filed reason to buy from you this month. Free.

Opens in a new tab. No signup.

Patent Watch

New accelerator entry · 2025-09-21 · the record

Fall 2025
batch
6
people
Early
stage
United States of America
region
Open the record →

What the record says

BatchFall 2025
Announced2025-09-21
StageEarly
StatusActive
Team size6
IndustryB2B
Sub-industryB2B
SectorsArtificial Intelligence, SaaS, B2B, Legal, LegalTech
RegionsUnited States of America, America / Canada
BasedSan Francisco, CA, USA
HiringNo
Sitehttps://www.patentwatch.ai/

Pitching, partnering or investing alongside them? See who really runs and owns Patent Watch.

Free to see. No signup.

Keep reading

More on Patent Watch and the records around it.

Also in YC Fall 2025

Same batch, B2B first.

What do you want to do with Patent Watch?

Get the full cited report on Patent Watch

Example from a real report (our sample on Target): “In March 2026, Target announced a planned incremental $1 billion operating investment” Source: Target Corporation (press release)

A Full Report on Patent Watch: verified, sourced, every claim cited, ready in a few minutes. See pricing.

See a sample report

In their words

We automate patent infringement detection. Our software interprets patents, identifies competing products, and generates claim charts showing who’s infringing and how. Teams use us to: - Find licensing and litigation targets - Send cease-and-desist letters - Find counter litigation - Sell IP in wind-downs - Accelerate M&A diligence We also run AI invalidity and prior-art searches to help your patents hold up in court. Companies spend up to $50k to file and maintain a single patent over its lifetime, but once it's granted, they let it collect dust. With Patent Watch, you can start turning your patent portfolio into revenue in 10 minutes.

Want the whole picture on Patent Watch?

Example from a real report (our sample on Target): “In March 2026, Target announced a planned incremental $1 billion operating investment” Source: Target Corporation (press release)

A Full Report on Patent Watch: verified, sourced, every claim cited, ready in a few minutes. See pricing.

What the Full Report on Patent Watch covers

  1. The Short Answer

  2. Which Company This Is

  3. What They Do, And How The Money Works

  4. Who Runs It, And How To Reach Them

  5. The Money: Funding, Valuation, Runway

  6. Who Pays Them, And Who They Are Up Against

  7. Warning Bells

  8. Sources

    1 cited source found

Plus the sections for what you are deciding, which you pick after ordering.

See a sample report

First screen of a real sample Full Report on EchoStar: the verdict, 17 sections, 63 cited sources, built 2026-10-21A real finished report, first screen. Opens in a new tab.

The full profile

Checking your access…

Is this you?

If you're behind Patent Watch: acceptance into a YC batch is one of the few weeks a young company gets looked up by people who matter — investors, other founders, press. FoxPlug turns the commits, deploys, and releases you're already making into that story automatically, so anyone who looks finds something current. GetFoxChat puts a guide on your own site so the people YC's own page just sent you don't read one line and leave.

Sourced from the company's Y Combinator directory entry.

RSS

Tools for this story

Each opens in a new tab, filled in for Patent Watch. With no account yet, you sign up free and land on the result.

On these startup lists

Legal tech startups

Share this page

Is this your company?

Share the news. Sharing needs no account.

Patent Watch: Accepted into Y Combinator Fall 2025
Share on LinkedIn Share on X Download image

Cite this page

Permanent URL: https://mentionfox.com/funding/yc-patent-watch
Last updated 2026-10-20
Primary record: Y Combinator directory entry
Patent Watch (YC F25) — AI for detecting patent infringements. MentionFox, 2026-10-20. https://mentionfox.com/funding/yc-patent-watch