Never miss a competing
trademark filing.

MarkStalker monitors every new USPTO filing daily and alerts you when a similar mark appears — so you can protect your brand before it's too late.

Start your 14-day trial View pricing

$7.99/mo · 14 days free · Cancel anytime

How it works

Three steps to trademark peace of mind

01

Add your mark

Enter your brand name and optional Nice classes. Takes 10 seconds.

02

We watch every filing

Every day, we scan all new USPTO applications using fuzzy and phonetic matching.

03

Get alerted instantly

Push notification to your phone or browser within minutes. Email digest for free users.

Why MarkStalker

Built for small businesses, not law firms

Real-time push notifications, not monthly PDFs
Phonetic matching catches Kool vs Cool, Fone vs Phone
Nice class filtering reduces noise by 90%
Developer API with webhooks for automation
Starts at $7.99/mo vs $175+/yr from competitors

Features

Everything you need to protect your brand

Fuzzy text matching

Catches similar spellings, typos, and variations of your mark.

Phonetic matching

Double Metaphone algorithm detects sound-alike marks.

Nice class filtering

Only get alerts in your trademark classes, reducing noise by 90%.

Daily USPTO monitoring

Every new filing is scanned within 24 hours of publication.

Instant alerts

Push, email, or browser notification the moment a match is found.

Developer API

REST API with webhooks for building trademark tools.

Developer API

Build trademark intelligence into your product

REST API with filing search, similarity scoring, and webhook delivery. Perfect for law firm tools, e-commerce platforms, and brand naming services.

Developer plan — $34.99/mo