How to Get a Utility Patent

A Guide for Business Owners and Inventors

Obtaining a utility patent in the United States grants you exclusive rights over your invention. A utility patent, one of three types alongside design and plant patents, protects any “new and useful process, machine, manufacture, or composition of matter” that you invent. In practice, the patenting process is governed by U.S. patent law and handled by the U.S. Patent and Trademark Office (USPTO), which is the government agency responsible for examining patent applications. The journey from idea to patent pending status and finally to a granted patent can be complicated and may seem daunting to non-attorneys. The following sections break down how to get a utility patent in clear terms, from preparation through patent protection.

Understand Utility Patents and Patent Eligibility

A utility patent protects the functional aspects of an invention, as opposed to a design patent (protecting ornamental appearance) or a plant patent (protecting new asexually reproduced plant varieties). To qualify, your invention must fall within patentable subject matter and have utility. U.S. law specifies that any new and useful process, machine, manufacture, or composition of matter or improvement thereof is eligible for a patent under 35 U.S.C. § 101.

Laws of nature, abstract ideas, and purely artistic works are not patent eligible. Ensure your concept is technical and patent eligible. If granted, a utility patent gives the patent holder the right to exclude others from making, using, or selling the invention, typically for 20 years from the filing date of the application. Maintenance fees are required to keep the patent in force for the 20 year term.

Ensure Novelty and Non-Obviousness

Beyond subject matter, your claimed invention must be novel and non-obvious. An invention is novel only if no existing patents or publications (prior art) have already disclosed it. U.S. patent law bars patents if the invention was “patented, described in a printed publication, or in public use, on sale, or otherwise available to the public” before your effective filing date under 35 U.S.C. § 102. It also provides a limited one-year grace period for an inventor’s own public disclosure of the invention, but it is risky to rely on the grace period. It is best to file your patent application before any public disclosure.

Even if novel, the invention must not be an obvious variation of prior art. Under 35 U.S.C. § 103, a patent cannot be obtained “if the differences between the claimed invention and the prior art are such that the claimed invention as a whole would have been obvious” to a person of ordinary skill. In other words, your idea must involve an inventive step beyond what was known. The Supreme Court’s decision in Graham v. John Deere Co., 383 U.S. 1 (1966) set out factors for determining non-obvious inventions. Practically, this means your invention should not be an evident next step to a skilled expert given the existing prior art. Ensure no single prior reference, or combination of references, already teaches all aspects of your invention.

Conduct a Thorough Prior Art Search

Before investing in a patent application, perform a thorough prior art search. This involves searching for existing prior art such as patents, published patent applications, articles, and products related to your invention. A good patent search will reveal if your idea has been done before and help you refine your invention or distinguish it from the prior art. Conducting a prior art search prior to preparing a patent application can make the patent application process more efficient and cost-effective by allowing you to draft claims strategically around what’s already known. The search aids in identifying any similar inventions, including in foreign patents and non-patent literature, to ensure your concept is truly new. This step can also uncover existing patents that you might need to “design around” or license. Ultimately, a thorough search reduces the chance of surprise rejections from the patent examiner later and increases the odds of securing broad utility patent protection.

Choose Provisional Application vs. Non Provisional Patent Application

When you’re ready to file, decide whether to start with a provisional patent application or go straight to a non provisional application. Provisional applications are filed under 35 U.S.C. § 111(b) and are an optional, lower-cost filing that secures an earlier filing date for your invention. It allows you to legally apply patent marking to your invention as “patent pending” for 12 months without starting the patent examination process. Notably, a provisional is never examined on its merits and does not require formal claims, an inventor’s oath, or an information disclosure statement.

It must be followed by a corresponding nonprovisional application within that 12-month period, or else it expires and you lose the benefit of the early date. By contrast, a nonprovisional application, the actual utility patent application, is the full application that will be examined and can lead to a granted patent. If you file a provisional, use the time to refine your invention or raise funds, but remember to file the nonprovisional before the deadline. Many inventors use the provisional route to secure a quick filing date and patent pending status, then file the fully complete nonprovisional application within the year. If timing is critical or your invention is already fully developed, you may file a nonprovisional application directly.

Draft a Detailed Nonprovisional Utility Patent Application

Preparing a strong utility patent application is a crucial step. A nonprovisional application must contain a written specification, essentially a detailed description of the invention, and one or more claims defining the scope of what you seek to protect. By law, the specification must describe the invention in full, clear, concise, and exact terms to enable others in the field to make and use it in order to satisfy the written description and enablement requirements of 35 U.S.C. § 112. It should also set forth the best mode of carrying out the invention. Include any necessary drawings to illustrate the invention, as required by 35 U.S.C. § 113. Your application should start with a title, followed by sections such as a brief summary of the invention, any applicable background, a detailed description with reference to drawings, and claims.

Patent Claims

The claims define the legal boundaries of your patent rights. They define the “metes and bounds” of your invention. Every nonprovisional application must conclude with at least one claim particularly pointing out and distinctly claiming the invention. Draft independent claims that cover the core inventive concept, and add dependent claims for specific features or refinements. Each claim element should be supported by the description. Because claims define what infringers cannot do, careful claim drafting is critical. This is where a skilled patent attorney’s expertise is especially valuable. In addition to the specification and claims, you will need to include an inventor’s oath or declaration, which is a signed statement by the inventor(s) asserting their inventorship and understanding of the application. The patent application also requires an Application Data Sheet (ADS) providing bibliographic information. All of these parts together form a complete utility patent application.

File Your Application with the United States Patent and Trademark Office

Once your application is drafted, file it with the patent office. The USPTO’s electronic filing system, called Patent Center, is the preferred way to submit your application. Electronic filing is faster and reduces errors. When filing, you must pay the appropriate fees, which typically include a filing fee, search fee, and examination fees for a utility application. These fees can vary based on the applicant's entity status: the USPTO offers reduced fees for small and micro entities (e.g. individual inventors or small businesses).

Upon successful filing, the USPTO will assign an application number and filing date, and issue a filing receipt. The filing date is critical. Under the first-to-file system, it locks in your priority against later filers. You can now legitimately use the term “patent pending” in connection with your invention. The USPTO will also review your submission for formalities. If anything is missing, the USPTO will send a Notice of Missing Parts, giving you a chance to correct the issue while keeping your original filing date. To avoid delays, double-check that all forms and documents are properly submitted. With the application on file, your journey moves to the examination phase.

Examination by a Patent Examiner

After filing, your application enters the patent examination process at the USPTO. It will be assigned to a patent examiner skilled in the relevant technology. The examiner’s job is to evaluate whether your utility application meets all legal requirements for patentability. First, the examiner will read your specification and claims to understand the claimed invention. They will verify that formal requirements are met, including that the claims are clear and supported by the description, drawings are present, and one or more claims are included.

Substantive review begins with the Patent examiners search for prior art. The patent examiner will search existing patents, published applications, and other literature to find references similar to your invention. The examiner compares the prior art to your claims to determine if your invention is truly novel and non-obvious in light of what was already known. The examiner also checks for patentable subject matter issues under 35 U.S.C. §101 to determine whether your claims are not directed to a mere abstract idea or natural phenomenon. The examiner also determines whether your disclosure satisfies the 35 U.S.C. §112 requirements of an adequate written description, sufficient enablement, and definite claims. This examination procedure is rigorous and thorough. Patent prosecution often takes about 1–2 years from filing to receive initial feedback, due to the USPTO patent application backlog. Remember that the patent examining procedure is essentially a negotiation: the examiner is not against you, but they must ensure your application meets all legal standards before granting a United States patent.

Office Actions and Patent Prosecution

In most cases, the examiner will issue an Office Action detailing any objections or rejections found during examination. An Office Action is an official letter from the examiner and is a normal part of patent prosecution. The first Office Action is “non-final” and will cite relevant prior art references and explain why certain claims are rejected. For example, a claim might be rejected under 35 U.S.C. § 102 as being anticipated by a single prior patent, or under § 103 as obvious in view of a combination of references. You will have an opportunity to respond. In your response, you can amend the claims to add details from the description to overcome the prior art and/or present arguments explaining why the examiner’s rejections are not applicable or why the invention is patentable over the existing prior art. There are typically both technical and legal analysis required to properly respond to the office action. It is recommended that you engage a patent attorney to assist you with your patent application so that the legal and technical issues are appropriately addressed.

This patent prosecution phase may involve multiple rounds. After your response, the patent examiner might allow the case or issue a final rejection. If final rejection occurs, options include filing an appeal or a request for continued examination (RCE) to keep prosecution moving forward with the ability to amend the claims. Independent claims are typically narrowed during this process to distinguish them from the prior art, with dependent claims possibly rewritten into allowable form. Patent prosecution can be complex, but its goal is to ensure that any patented invention meets all legal requirements and that your claims are unambiguous and valid. Maintaining a cooperative tone and addressing the examiner’s concerns thoroughly, sometimes including an examiner interview to discuss the case, can improve your chances of success. Many experienced patent attorneys are adept at navigating this process to secure the broadest protection possible.

Patent Grant and Maintenance

If the examiner is satisfied that your application meets all requirements, you will receive a Notice of Allowance. This means your patent will be granted once you pay the issue fee. Upon issuance, you become the proud patent holder of a U.S. patent. The patent will be given a patent number and publication. You can then label your product as “U.S. Patent No. X,XXX,XXX.” A granted patent confers the right to exclude others from making, using, selling, or importing your invention, turning your idea into a valuable business asset.

Keep in mind that utility patent protection does not last forever. A utility patent expires 20 years from its effective filing date. Moreover, to keep a U.S. utility patent in force for the full term, you must pay patent maintenance fees at intervals (at 3.5, 7.5, and 11.5 years after grant). These fees are required by statute under 37 C.F.R. § 1.20. If a maintenance fee is not paid, the patent will lapse for non-payment, and the patent protection ends. There are provisions to revive unintentionally lapsed patents, but it’s best to pay on time. Note that, unlike utility patents, design patents have a shorter term (15 years from issuance for recent filings) and require no maintenance fees, a reminder of how utility patents differ from designs in several respects.

Once your patent is granted, you have a patented invention. With a granted patent in hand, you have a significant competitive advantage and a tangible reward for your inventive effort. You can license it, enforce it against infringers, or use it to secure investment. You must monitor your patent’s maintenance schedule and know your expiration date. After a patent expires, the invention enters the public domain, meaning anyone can use it. To summarize, obtaining a patent is not the end of the process of securing your patent rights. Maintaining patents through fee payments and careful patent enforcement is part of the lifecycle.

Seek the Assistance of a Patent Attorney

The patent process is complex, and most inventors benefit from working with an experienced patent attorney or patent agent to navigate it. A registered patent attorney can assist with prior art searches, drafting strong applications, and prosecuting the application before the USPTO. Patent professionals understand the nuances of patent law and patent examining procedure, helping avoid pitfalls like inadequate disclosures or overly broad claims that could jeopardize your rights.

Given the high stakes, a mistake could mean a weak patent or no patent at all, and the investment in professional guidance often pays for itself by improving your patent’s quality.

International Patent Protection

Additionally, think about your broader business goals: a U.S. patent only protects your invention within the United States. If you are seeking international protection, you have options.

Under the Paris Convention, you generally have 12 months from your U.S. filing date to file corresponding applications in other countries and claim priority. Alternatively, you can file an international patent application via the Patent Cooperation Treaty (PCT) within that same timeframe, which can later be nationalized in various countries. Each country’s laws differ, but novelty is universally required. In many jurisdictions, publicly disclosing your invention before filing can forfeit your foreign patent rights. Unlike the US, most countries have no grace period. Thus, to keep the door open globally, file first and disclose second.

If you have other related patent applications, such as continuations or divisionals in the U.S., or related foreign applications, be sure to coordinate them with your patent attorney to maximize protection. In some cases, inventors and companies also use provisional patents strategically to stagger product or service development and costs, or they might enter into licensing deals. Always consider confidentiality (e.g. using non-disclosure agreements) before filing, and be mindful of improvements or other inventions that might merit separate patent filings.

Conclusion

Pursuing a utility patent is a step-by-step process, including confirming that your invention meets patent eligibility criteria (new, useful, non-obvious); performing a prior art search; drafting a thorough nonprovisional application; filing the application with the Patent Office, and working through the patent examination process until grant. A granted patent provides valuable patent protection, a legally enforceable monopoly over your innovation for a limited time. This can safeguard your market position and add asset value to your company.

However, remember that the patent system rewards diligence and precision. Small mistakes, such as insufficient disclosure or missed deadlines, can derail an application. It is recommended that you seek the help from a qualified patent attorney or agent to avoid these pitfalls. If you are considering pursuing a patent or you have some other intellectual property matter, contact our office for a free consultation.

© 2026 Sierra IP Law, PC. The information provided herein does not constitute legal advice, but merely conveys general information that may be beneficial to the public, and should not be viewed as a substitute for legal consultation in a particular case.