Patent pending
What "patent pending" actually means.
A patent application has been filed with the USPTO, but a patent has not yet been granted. "Patent pending" gives no enforceable rights — but using it correctly can still protect your launch.
One sentence
"Patent pending" is a public notice that you've filed a patent application — provisionalprovisionalA simplified, lower-cost patent application that locks in a filing date for 12 months while the inventor refines or pitches.Read more → or non-provisional — and that examination is in progress.
What it does
The four real benefits
- 01
Establishes a priority date.
The single most important effect. Anyone who files a similar application after yours loses to you under the first-to-file system. ProvisionalprovisionalA simplified, lower-cost patent application that locks in a filing date for 12 months while the inventor refines or pitches.Read more → applications work the same way for this purpose.
- 02
Signals to copiers.
Many would-be infringers back off when a product says "patent pending" — even though no patent has been granted yet. Reputation effect, not legal effect.
- 03
Enables provisional rights damages.
If a patent eventually issues, the patent-holder may collect royalties going back to the publication date of the application — if the alleged infringer had actual notice. "Patent pending" + notice letters set up this clock.
- 04
Buys time.
A provisional applicationprovisional applicationA simplified, lower-cost patent application that establishes a filing date. Must be converted within 12 months.Read more → gives you 12 months to refine the invention, pitch investors, or test the market before committing to the more expensive non-provisionalprovisionalA simplified, lower-cost patent application that locks in a filing date for 12 months while the inventor refines or pitches.Read more →. Locks in a date with minimal commitment.
What it doesn't do
The boundaries
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No enforceable rights.
You cannot sue for infringementinfringementMaking, using, selling, or importing a patented invention without permission from the patent holder.Read more → until the patent is actually granted. Anyone can practice the invention freely during the pending period.
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No guarantee of grant.
About 50% of utility-patent applications are abandoned or rejected. "Patent pending" doesn't promise a future patent.
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No protection for the application itself.
Once your patent application publishes (typically 18 months after filing), competitors can read every detail and design around it.
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Cannot be used falsely.
Marking a product "patent pending" with no filed application is a federal offense — fines apply per offense under 35 USC §292.
Timeline
How long does "patent pending" last?
From filing to grant typically takes 22–36 months for a utility patentutility patentThe most common type of patent — covers functional inventions. 20-year term from filing.Read more →. During that time you can mark products "patent pending." Once the patent is granted, switch the marking to the patent number (e.g., "U.S. Patent 12,345,678") to preserve damages for infringementinfringementMaking, using, selling, or importing a patented invention without permission from the patent holder.Read more →.
ProvisionalprovisionalA simplified, lower-cost patent application that locks in a filing date for 12 months while the inventor refines or pitches.Read more → applications are different: they last exactly 12 months. The applicant must convert to a non-provisional within that window or the priority datepriority dateThe earliest date used to compare the patent against prior art. Usually equals the filing date.Read more → is lost. "Patent pending" remains valid during the provisional period.
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