Get Patent Pending.
Starting at $199.
Protect your filing date while you build, test, pitch and decide what comes next. Pax keeps the 12-month conversion window visible from day one.
- Establish an early U.S. filing date
- Keep developing during the 12-month period
- Preview the application before payment
A provisional application is not examined and must be followed by a timely nonprovisional filing to preserve its benefit.

A visible 12-month runway
Use the provisional period to create better information
The filing date is the beginning of a decision cycle. Pax helps frame the milestones that determine whether and how to convert.
- Month 0File provisional
- Month 3Prototype and test
- Month 6Customer and partner feedback
- Month 9Plan utility or PCT path
- Month 12Convert before deadline
What Pax helps you capture
A provisional that describes more than the headline idea
The intake focuses on how the invention works, how its parts relate and what alternatives may matter later.
Describe naturally
Speak or type the invention in your own words, then upload supporting materials.
Pax finds the gaps
Focused questions surface components, steps, variations and connections.
Review the filing
Read the prepared provisional before payment and explicit filing approval.
Start small, preserve options
Begin with the filing date, then choose the next path
PatentExpress is designed to keep the conversion and international deadlines attached to the filing.
Provisional
$199
Establish a filing date while you build.
- 12-month priority window
- Preview before payment
Standard utility
$995
Convert into a complete utility application.
- Claims, specification and figures
- Conversion deadline support
PCT attachment
$1,995
International option during the priority window.
- Keeps 150+ countries open
- Partner counsel as required
Attorney review
$3,995
Flat-fee attorney review option.
- Limited-scope engagement
- Legal advice where engaged
Hi, I'm Pax.
Your PatentExpress guide. I ask focused questions, show progress, and keep approval in your hands.
AI-powered
Structured drafting in validated stages.
Human-backed
Attorney escalation and review options.
Transparent
Read the application before paying.
Approval-gated
Nothing is filed until you approve.
Straight answers
Questions about provisional applications
Secure the filing date, then keep building
Start with a prepared provisional and keep the next deadline visible instead of letting the 12-month window disappear.