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Many developers and technology founders assume that because software is built from lines of code, it cannot be patented. The reality is more nuanced. Software can be patented in the United States, but the path to protection requires careful planning. After the Supreme Court’s landmark decision in Alice Corp. v. CLS Bank International, 573 U.S. 208 (2014), software patent applications face heightened scrutiny. The central question is whether an invention claims a genuine technological advance or simply applies an abstract idea using conventional computer components.
The Patent Act permits patents on “any new and useful process, machine, manufacture, or composition of matter.” Under 35 U.S.C. § 101, software-related inventions may qualify as patentable subject matter when they describe a method or process that produces a useful, concrete result through a specific technical implementation.
Like any invention, software must satisfy three core requirements: novelty (it must be new and not anticipated by prior art), non-obviousness (it cannot be an obvious extension of existing technology to a person of ordinary skill in the field), and usefulness (it must have a practical application). The challenge for software inventions lies at the intersection of these requirements and the court-created exceptions for abstract ideas, laws of nature, and natural phenomena.
Before Alice, many software patents described broad, functional outcomes without specifying how those outcomes were achieved. The Supreme Court’s 2014 decision in Alice Corp. v. CLS Bank International introduced a two-step framework that courts and USPTO examiners now apply to every software-related patent claim.
Step one asks whether the patent claim is directed to an abstract idea. This includes mathematical calculations, fundamental economic concepts, and mental processes that could be performed without a computer. If the claim is not directed to an abstract idea, it passes § 101 analysis without further inquiry.
Step two applies when step one finds an abstract idea. The examiner then asks whether the claim contains an “inventive concept” — something significantly more than the abstract idea itself — that transforms it into a patent-eligible application. Generic computer functions like “apply it on a computer” or “use the Internet” are not enough to pass step two under the Federal Circuit’s post-Alice decisions, including Enfish, LLC v. Microsoft Corp., 822 F.3d 1327 (Fed. Cir. 2016).
Understanding how to navigate the Alice framework is essential for any technology company seeking patent protection. Working with a patent attorney who understands both software and patent prosecution can make the difference between a granted patent and a series of rejections.
Software inventions that describe specific technical improvements to computer systems are more likely to satisfy patent requirements. Examples that have fared well post-Alice include:
The distinction that matters most is whether the invention improves the technology itself or merely uses technology to achieve a business goal. A video compression method that reduces file size while maintaining image quality improves a technical process. A method for placing escrow instructions on a computer — the result in Alice — simply automates a known financial practice.
Strong software patent applications share several characteristics that help them survive § 101 scrutiny and move toward issuance.
Focus on the technical problem and its technical solution. Your application should identify a specific limitation in existing systems and explain how your invention addresses it through concrete technical steps. Avoid describing the invention only in terms of the business result it delivers.
Claim the specific implementation, not just the outcome. Examiners look for claims that tie the software to a particular technical architecture, data structure, or hardware interaction rather than broad functional language that reads on any conventional computer.
Document the development process thoroughly. Detailed records showing how your invention differs from existing solutions — benchmarks, technical comparisons, prototype documentation — can support a showing of non-obviousness and provide a foundation for any litigation or licensing that arises later.
File early. The U.S. patent system rewards the first inventor to file. Public disclosures, product launches, or sales of the invention can trigger a one-year statutory bar under 35 U.S.C. § 102(b)(1), and international filing deadlines through the Patent Cooperation Treaty (PCT) may be even shorter.
Many software patent applications fail for avoidable reasons. The most common is describing the invention in purely functional terms — stating what the software does without explaining at a technical level how it does it. Claims that could theoretically be performed mentally or through pen-and-paper methods are vulnerable to § 101 rejection even when implemented on a computer.
A thin specification is another frequent mistake. The patent description provides the context supporting your claims, and a specification that omits technical details makes it harder to defend the patent after issuance — either during USPTO reexamination or in district court litigation.
Finally, neglecting continuation strategy limits your long-term protection. A well-drafted parent application can support a family of continuation and continuation-in-part applications that cover variations of the invention as the technology and the market evolve. The attorneys at Revision Legal can help you build a patent strategy that matches your business roadmap.
For more information about protecting your software invention, contact the experienced patent attorneys at Revision Legal. We help technology founders, startups, and established companies navigate the patent system and build intellectual property portfolios that support business growth. You can reach us through the form on this page or by calling (855) 473-8474.
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