What Is a Provisional Patent Application?

A provisional patent application is a preliminary filing with the United States Patent and Trademark Office (USPTO) that establishes your filing date — your "place in line" — without the cost or formality of a full utility patent application.

Filing a provisional gives you 12 months of "patent pending" status. During that time, you can test your idea in the market, pitch to investors, refine your invention, and decide whether to convert to a non-provisional (utility) application before the provisional expires.

Key Takeaway

A provisional is a placeholder that buys you time and protection. It is never examined by the patent office — you must convert it to a non-provisional within 12 months or it expires.

Provisional vs. Non-Provisional

The difference between a provisional and non-provisional application comes down to formality, cost, and what happens after filing. Here are the key distinctions:

  • Formal claims:A non-provisional requires formal patent claims; a provisional does not.
  • Examination:A non-provisional is reviewed by a patent examiner; a provisional is never examined.
  • Cost:Government filing fees for a provisional start at $65 (micro entity) vs. several hundred for a non-provisional.
  • Duration:A provisional expires after 12 months. A non-provisional, if granted, lasts 20 years from filing.

For a decision-focused breakdown, compare the two paths in our provisional vs. nonprovisional patent application guide.

Advantages of Filing a Provisional

There are several compelling reasons to start with a provisional application, especially for early-stage inventors and startups:

  1. Lower cost.Provisional filing fees are as low as $65 for micro entities, compared to hundreds for a non-provisional. Legal fees are also typically lower.
  2. Faster filing.Fewer requirements mean you can get to "patent pending" faster — often in a matter of hours with the right tools.
  3. Establishes priority date.Under the first-to-file system, filing earlier means you get examined first.
  4. 12 months to decide.You have a full year to validate your idea before committing to the cost of a full utility application.
The provisional application was introduced to give inventors a low-cost, low-barrier way to establish their place in line — before committing to the full patent process.

Disadvantages and Risks

Provisionals aren't without downsides. The most significant risk is that a poorly written provisional can actually harm your patent position. If the provisional doesn't adequately describe the invention, you may not be able to claim the benefit of that early filing date.

Other risks include the 12-month deadline (which is non-extendable), the temptation to file something too thin, and the false sense of security that "patent pending" can create.

Costs and Filing Fees

USPTO filing fees for a provisional patent application depend on your entity status:

  • Micro entity:~$65
  • Small entity:~$130
  • Large entity:~$325

Legal fees vary widely depending on how you draft the application. Using Patent Pending Made Simple, you can generate a professional-quality provisional for $499 (self-serve) to $1,299 (white glove with attorney review and filing).

When to File a Provisional

Consider filing a provisional when you have a working concept but want to validate it before investing in a full utility application, when you're preparing to pitch investors and need "patent pending" status, or when you want to establish priority before a public disclosure.

Frequently Asked Questions

Can I file a provisional patent application myself?

Yes. Inventors can file provisionals directly with the USPTO. Tools like Patent Pending Made Simple are designed to guide you through the process with AI-powered drafting so you don't need a law degree.

What happens if I don't convert within 12 months?

The provisional expires permanently and cannot be revived. You lose the filing date and the "patent pending" status. You can still file a new application, but you won't get the benefit of the earlier date.

Is a provisional patent application public?

No. Provisional applications are not published by the USPTO. They remain confidential unless and until you file a non-provisional that references the provisional.


This article is for informational purposes only and does not constitute legal advice. Consult a licensed patent attorney for advice specific to your situation.