For most inventors, the patent application process is the most daunting part of bringing an idea to life. The terminology is unfamiliar, the timelines are long, and a misstep early on can cost you significantly down the road. But the process becomes far more manageable once you understand what’s actually happening at each stage.
At Goldstein Patent Law, we walk inventors through this process every day. Here’s a clear, step-by-step breakdown of how the patent application process works in the United States, what to expect at each stage, and how to give your application the best possible chance of success.
Step One: Confirm Your Invention Is Patentable
Before you invest time and money in an application, you need to confirm that your invention actually qualifies for patent protection. Under U.S. patent law, an invention must meet four requirements: it must be patentable subject matter, novel, useful, and non-obvious.
Non-obviousness is the requirement that trips up the most applicants. It’s not enough to invent something new; the invention must represent a genuine creative leap beyond what a skilled person in your field would have logically tried. Our in-depth post on non-obviousness in patent law covers this standard in detail, including the key legal cases that shaped how examiners evaluate it today.
It’s also worth noting that improvements to existing products can absolutely be patented, provided they meet the same standards as any original invention. See our guide on patenting improvements to existing products for more on that specific scenario.
Step Two: Conduct a Prior Art Search
A prior art search reviews everything already in the public record, including issued patents, published patent applications, academic papers, and commercial products, to determine whether your invention is truly novel. This step is critical before you commit resources to a full application.
If something identical or nearly identical already exists, you want to know now rather than after filing. A thorough search also helps you understand the landscape around your invention, which informs how your claims should be drafted.
The USPTO Patent Full-Text Database and the USPTO’s own search tools are useful starting points for preliminary research. A professional search conducted by a patent attorney goes significantly deeper and is worth the investment before filing.
Step Three: Choose the Right Type of Application
Not all patent applications are the same. The type you file depends on what you’re protecting and your strategic goals.
Provisional patent application: A provisional application establishes your filing date and gives you 12 months to develop your invention, refine your claims, and file a full nonprovisional application. It’s less expensive than a full application and gives you the right to use the phrase “Patent Pending.” It does not get examined and never becomes a patent on its own.
Nonprovisional utility patent application: This is the full application that gets examined by the USPTO. It includes a written description of the invention, drawings, and the all-important patent claims. Utility patents protect functional inventions and last 20 years from the filing date.
Design patent application: This protects the unique ornamental appearance of a functional item. Design patents are examined separately and last 15 years from the date of grant.
Plant patent application: This protects new varieties of asexually reproduced plants and is relevant to a narrower set of applicants.
For most inventors, the decision comes down to whether to start with a provisional or go straight to a nonprovisional. Our team at Goldstein Patent Law can help you think through which approach fits your timeline and commercialization plans.
Step Four: Prepare and File the Application
A nonprovisional patent application has several required components:
Specification: A detailed written description of the invention that must be clear and complete enough for a person skilled in the field to make and use it. This includes a background section, a summary of the invention, and a detailed description.
Claims: The claims are the legal heart of your patent. They define precisely what your patent protects. Independent claims set the broadest scope of protection; dependent claims add specific limitations and provide fallback positions if broader claims are challenged. Claim drafting is one of the most consequential parts of the entire process.
Drawings: Most applications require drawings illustrating the invention. These must meet specific USPTO formatting standards.
Abstract: A brief summary of the invention, typically 150 words or fewer.
Declaration or oath: A signed statement by the inventor affirming they believe themselves to be the original inventor.
The application is filed electronically through the USPTO’s Patent Center, and filing fees are due at submission. Fee amounts vary based on entity size, with reduced fees available for small entities and micro entities. The current USPTO fee schedule lists all applicable fees.
Step Five: Patent Pending and Application Publication
Once filed, your application receives a serial number and an official filing date. From that point, your invention is “Patent Pending,” which provides a degree of practical protection by signaling to competitors that rights may be forthcoming.
Most nonprovisional applications are published by the USPTO 18 months after the earliest effective filing date. At that point, the application becomes publicly visible, even before a patent is granted.
Step Six: Examination
After filing, your application is assigned to a USPTO patent examiner with expertise in the relevant technology area. The examiner reviews your application against prior art and evaluates whether the claims meet all legal requirements.
This stage of the patent application process is not passive. The examiner will almost always issue at least one Office Action, which is a formal written response identifying objections or rejections. This is entirely normal and does not mean your application has failed.
Step Seven: Responding to Office Actions
An Office Action requires a formal written response within a set deadline, typically three months to avoid extension fees, with a maximum of six months. Your response can argue against the examiner’s rejections, amend your claims to distinguish your invention from the prior art, or both.
This back-and-forth between the applicant and the examiner is called prosecution. It can involve multiple rounds of Office Actions and responses before the examiner either allows the application or issues a final rejection. A skilled patent attorney can make a decisive difference at this stage, both in the persuasiveness of arguments and the strategic use of claim amendments.
Step Eight: Allowance, Issue Fee, and Grant
When the examiner is satisfied that your claims are patentable, they issue a Notice of Allowance. You then have three months to pay the issue fee, after which your patent is formally granted and published.
From the date of grant, you hold the exclusive right to make, use, sell, and import your invention in the United States for the remaining term of the patent.
Step Nine: Maintaining Your Patent
A granted utility patent requires maintenance fees paid at 3.5, 7.5, and 11.5 years after grant to remain in force. Missing these deadlines can result in the patent lapsing. The USPTO maintenance fee schedule provides the current amounts and deadlines.
Design patents have no maintenance fee requirements.
How Long Does the Patent Application Process Take?
The timeline varies significantly depending on the technology area and the USPTO’s current workload. In general:
- Provisional applications have no examination period; the clock simply runs for 12 months
- Nonprovisional utility patents typically take 2 to 3 years from filing to grant
- Expedited examination through the USPTO’s Track One program can reduce this to roughly 6 to 12 months for an additional fee
- Design patents typically take 1 to 2 years
These are averages. Complex applications or those in heavily backlogged technology areas can take longer.
Frequently Asked Questions
Do I need a patent attorney to file a patent application?
You are legally permitted to file your own patent application, a practice called filing “pro se.” However, the drafting of patent claims is one of the most technically demanding areas of legal writing, and poorly drafted claims can result in protection that is far narrower than your invention deserves, or no protection at all. Most inventors find that working with a patent attorney significantly improves their outcome.
What is the difference between a patent and a trademark?
A patent protects an invention or innovation, while a trademark protects a brand name, logo, or slogan. They serve different purposes and can often be used together. Our post on the difference between patent and trademark explains both in detail.
Can I file a provisional application and then decide not to file a nonprovisional?
Yes. A provisional application simply reserves your filing date. If you decide not to pursue a full application within 12 months, the provisional expires without becoming a patent. You are under no obligation to continue.
What happens if my application is finally rejected?
A final rejection is not necessarily the end. You can file a Request for Continued Examination (RCE) to continue prosecution, appeal to the Patent Trial and Appeal Board (PTAB), or file a continuation application with revised claims.
How much does it cost to get a patent?
Total costs vary widely depending on application complexity, technology area, and how many Office Action rounds occur. USPTO filing fees alone range from a few hundred to several thousand dollars depending on entity size and application type. Attorney fees add to this. A realistic budget for a straightforward utility patent is typically in the range of $8,000 to $15,000 or more from filing through grant.
Start Your Patent Application on the Right Foot
The patent application process is long, and the decisions you make early, from how your claims are drafted to which type of application you file, shape the strength of your protection for the full 20-year term. Getting it right from the start is far easier than trying to fix problems later.
Contact Goldstein Patent Law to schedule a consultation. We’ll assess your invention, guide you through every stage of the process, and make sure your application is built to hold up.
