How to patent an idea

An idea on its own cannot be patented. A patent protects a specific invention described in enough detail that a person skilled in the field could make and use it. To patent an idea, you turn it into a written description, check that it is new, choose the right type of application and file it through a registered patent attorney or agent.

Step 1: Write it down in detail

Describe what the invention is, what problem it solves, each part, and how the parts work together. Add sketches or photos. Note the variations you could imagine, such as other materials, sizes or settings. This document becomes the base for every filing, so the detail matters more than the polish.

Step 2: Keep it private until you file

An invention generally has to be new and non-obvious. Selling it, posting it online, showing it at a trade fair or pitching it without an agreement can count as public disclosure. The US has a limited one-year grace period for an inventor's own disclosures, but many other countries have stricter rules. If you plan to protect the invention abroad, treat any public showing as a risk.

Step 3: Check that it is not already patented

Search earlier patents and published material for the same or a similar invention. A search will not find everything, and finding a similar patent does not always end the matter, because the details of the claims decide it. A patentability search by a registered patent attorney or agent gives you an informed view before you spend on a full application.

Step 4: Choose the type of application

Some inventions suit more than one type. Our page on the provisional patent application explains the first option in full.

Step 5: File the application

Only a registered patent attorney or agent can prepare and file for others before the USPTO. They draft the description, the drawings and the claims, which define exactly what is protected. You read the draft, correct anything technical, and approve it before it is filed.

Step 6: Wait for examination

A patent is examined, then granted or refused. That process can take years, and the examiner may raise objections that need a response. No one can promise a patent will be granted. While you wait, you can generally mark the product as patent pending once an application is filed.

Can you do it yourself?

An inventor who lives in the US may file without a representative, and the USPTO offers public guidance for doing so. The difficulty is the claims. Wording that is too narrow lets competitors design around the patent, and wording that is too broad may be refused. Many inventors find that the money saved on drafting is lost later through a weak patent. Whichever route you choose, write your own notes first, because only you know how the invention really works. Inventors who live outside the US must use a registered US patent attorney or agent.

What an idea alone is missing

People often arrive with a concept: an app that does X, a gadget that solves Y. A concept becomes patentable when it has a concrete way of working. Some subject matter cannot be patented at all, such as abstract ideas and natural phenomena, and software and business methods must pass a separate test for patent eligibility. A short call with a registered patent attorney or agent can tell you which side of the line you are on.

Next steps

Read how much a patent costs before you budget, or see how we handle the work on our patent registration page. If the product needs a brand name, search it free with our trademark search. More reading is in the guides.

This is general information, not legal advice.