Your invention.
Pax makes it filing-ready.
Describe your invention by voice or text, upload sketches, photos or CAD files, and follow Pax through a complete utility patent application.
- Complete application prepared before you pay
- Optional attorney review available
- You explicitly approve before anything is filed
Government fees are separate, itemized and charged at cost.
Pax guides the way
Five visual steps from invention to reviewed filing
The workflow makes progress visible. Pax explains what is missing, what is being drafted and what still needs your confirmation.
- 1
Describe the invention
Speak, type or upload photos, drawings, sketches and CAD files.
- 2
Pax asks and clarifies
Adaptive questions capture components, operation and alternatives.
- 3
Draft in validated stages
Claims, specification and figures are prepared in sequence.
- 4
Review and refine
Read the complete application and request changes before checkout.
- 5
Approve, then file
Payment does not trigger filing; your recorded approval does.
See the work first
The application - not a promise - drives the purchase
PatentExpress is designed around a simple trust mechanism: review the prepared application before payment, then decide whether to proceed.
Structured claim graph
Dependencies and antecedent basis are checked before formatting.
Stage validation
Claims, specification, figures and numerals are checked in sequence.
Traceability
Drafted facts resolve back to the inventor-confirmed description.
Approval gate
Filing occurs only after your explicit approval.
Independent claim preview
1. A portable cooling device comprising: a housing; an air-moving assembly positioned within the housing; and a control interface configured to regulate an operating state...
FIG. 1 · Reference numerals synchronized
Simple pricing
Choose the filing path and review level you need
Service pricing is separated from government fees so the total remains visible before authorization.
Provisional
$199
12-month filing-date placeholder while you build.
- Lower-friction starting point
- Conversion deadline tracked
Standard utility
$995
Complete utility application preparation.
- Claims, specification and figures
- Preview before payment
Accelerated
$1,795
Priority handling for the drafting and review queue.
- Priority workflow
- Three-business-day target, not guarantee
Attorney review
$3,995
Flat-fee attorney review option.
- Limited-scope engagement
- Legal advice where engaged
Government fees vary by entity status and filing type. They are itemized separately and charged at cost.
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 inventors ask before they start
Turn the invention into a filing-ready application
Let Pax guide the intake, show every stage and put the prepared draft in front of you before payment or filing.