Kilroy v. Commissioner

The architecture of American innovation is supported by a complex scaffold of fiscal policies designed to mitigate the inherent risks of research and development. At the heart of this framework lies Section 174 of the Internal Revenue Code, a provision whose interpretation has historically determined the viability of independent inventors and burgeoning startups. The United States Tax Court decision in Kilroy v. Commissioner, T.C. Memo. 1980-489, represents a seminal moment in the definition of what constitutes a "trade or business" for the purpose of claiming research and experimental (R&E) expenditures. By validating the "professional inventor" as a legitimate business category and broadening the scope of deductible indirect costs, the Kilroy decision laid the groundwork for decades of innovation policy. This analysis explores the historical context, the technical nuances of the Kilroy ruling, its interplay with the Section 41 research credit, and the profound implications it holds for contemporary taxpayers navigating the mandatory capitalization requirements of the Tax Cuts and Jobs Act (TCJA).

The Historical Genesis of Section 174 and the Trade or Business Doctrine

To appreciate the impact of Kilroy, one must first examine the pre-1954 tax environment, which was characterized by significant hostility toward early-stage research expenditures. Before the enactment of Section 174, the tax code lacked a dedicated mechanism for the treatment of R&D costs. Consequently, the prevailing judicial and administrative stance required that costs leading to the development of a patent or a long-term asset be capitalized rather than deducted currently. This requirement placed a disproportionate burden on small enterprises and independent inventors. While large, established corporations could often integrate R&D activities into their general operating budgets—effectively deducting them as ordinary business expenses under Section 162—smaller entities were forced to capitalize these same costs, delaying any tax benefit until the resulting product was sold or the patent expired.

The legislative history of the Internal Revenue Code of 1954 reveals a conscious effort to eliminate this disparity. Congressional leaders recognized that the existing uncertainty regarding the deductibility of research costs acted as a significant deterrent to technological progress, which was viewed as essential for national economic and military strength. Section 174 was introduced to provide an economic incentive for "pioneering" business enterprises by allowing for the immediate expensing of R&E costs. The statutory language adopted—specifically the phrase "in connection with" a trade or business—was a deliberate departure from the more restrictive "carrying on" standard of Section 162.

The Bifurcation of Business Standards: Section 162 versus Section 174

The distinction between "carrying on" and "in connection with" became the focal point of R&D tax litigation. Under Section 162, a taxpayer must be a "going concern" to deduct business expenses, meaning the business must have already commenced its actual operations and reached a stage where it is ready to generate revenue. For decades, the IRS and the Tax Court used this "going concern" standard to deny deductions to startups that were still in the research phase and had not yet produced a marketable product.

The Supreme Court fundamentally altered this landscape in Snow v. Commissioner, 416 U.S. 500 (1974). In that case, the Court held that the "in connection with" language of Section 174 was intended to encourage the search for new products, even for businesses that were not yet "carrying on" their primary trade or business in the Section 162 sense. The petitioner, Edwin A. Snow, was a limited partner in a venture formed to develop a special-purpose incinerator. Despite having no sales in the tax year, the partnership was allowed to deduct its research losses because the activities were conducted "in connection with" the eventual business of marketing the incinerator.

Kilroy v. Commissioner: The Fact Pattern and Judicial Inquiry

While Snow addressed the timing of a business's commencement, Kilroy v. Commissioner (1980) addressed the nature of the business itself, particularly for the individual "professional inventor". James E. Kilroy was a person of substantial engineering background who claimed that his full-time activity consisted of inventing and patenting various technologies. During the tax years in question, he had developed and held numerous patents, yet the IRS challenged his deductions for research expenditures, asserting that his activities were more akin to a hobby than a professional business venture.

The IRS Challenge: Hobby Losses and Profit Motive

The central contention of the Commissioner was that Kilroy lacked a bona fide profit motive under Section 183, which governs activities "not engaged in for profit". The IRS pointed to several factors to support its claim:

• Lack of Economic Return: Many of Kilroy’s patents had not yet generated significant revenue, leading the IRS to argue that there was no realistic expectation of profit.
• Novice Status vs. Professional Inventing: The IRS argued that Kilroy was not truly "carrying on" a business but was instead a "novice" inventor whose activities were sporadic and lacked the "sufficiently sustained character" required for a trade or business.
• Nature of Expenditures: The IRS questioned whether certain indirect costs, such as travel and office utilities, could be classified as "research and development costs in the experimental or laboratory sense" as defined in Treasury Regulation § 1.174-2.

The Tax Court’s Finding of Fact and Conclusion

The Tax Court rejected the IRS's characterization, ruling in favor of the taxpayer. The court’s reasoning was anchored in the history and volume of Kilroy’s work. Rather than being a hobbyist with a single idea, Kilroy had obtained "numerous patents" over a period of years, demonstrating a continuous and regular engagement in the inventive process. The court noted that in the specialized field of inventing, a lack of immediate economic success is not dispositive of a lack of profit motive. Experimental activities often require long lead times and carry high risks of failure, yet the intention to exploit the resulting technology through sale or license constitutes a valid business objective.

Ultimately, the court found that Kilroy was engaged in the "trade or business of inventing" to the extent required by Section 174. This recognition was a significant expansion of the "trade or business" concept, as it validated the independent inventor as a professional peer to established research-intensive corporations. It signaled that the "in connection with" standard could be met by an individual whose business was the production of intellectual property itself, regardless of whether that individual also manufactured the resulting products.

Redefining Eligible Costs: The Inclusion of Indirect Expenditures

A critical technical outcome of Kilroy was the court’s explicit approval of certain "indirect" costs as qualifying Section 174 expenditures. The Treasury Regulations generally define R&E costs as those incident to the development or improvement of a product in the "experimental or laboratory sense". However, the regulations provide minimal guidance on how to allocate general overhead or ancillary costs.

The Precedent for Telephone, Travel, and Utility Costs

The Kilroy court held that the following were eligible for Section 174 treatment:

• Utility Expenses: This included telephone bills and other communication costs necessary for the taxpayer’s research and patenting activities.
• Travel Expenses: The court permitted deductions for travel incurred in the pursuit of research objectives, recognizing that the inventive process often requires gathering information from external sources.
• Office Expenses: General administrative costs associated with maintaining an office for the purpose of research were deemed "incident to" the development of the taxpayer's inventions.

This holding remains one of the few pieces of judicial authority addressing the scope of indirect R&D costs. It established that "all costs" incident to development—not just laboratory chemicals or engineering salaries—must be considered within the Section 174 framework.

The Technical Framework: Uncertainty and the Process of Experimentation

To understand why Kilroy’s activities qualified under Section 174, one must look to the "Uncertainty Test" and the definition of a "Product." Under Treasury Regulation § 1.174-2(a)(1), R&E expenditures are those incurred in connection with resolving uncertainties regarding the development or improvement of a product. Uncertainty exists if the information available to the taxpayer does not establish the capability or method for developing or improving the product, or the appropriate design.

The Nature of the "Product"

The term "product" is used broadly in Section 174 and includes any pilot model, process, formula, invention, technique, patent, or similar property. The regulations clarify that the ultimate success or failure of the product is irrelevant to the eligibility of the expenditures. Kilroy’s work in developing "numerous patents" fits squarely within this definition, as each patent represents the resolution of a specific technical uncertainty regarding an invention or technique.

Distinguishing from Production Costs

Section 174 specifically excludes costs paid or incurred for the production of a product after the uncertainty regarding its design has been eliminated. For an inventor like Kilroy, the line between research and production is typically clear: once a patent is applied for and the prototype (pilot model) is functional, subsequent costs to manufacture the item for sale are no longer R&E expenditures. However, the Kilroy decision demonstrates that the "ancillary" costs of running the business of inventing—such as maintaining the telephone line used to consult with patent attorneys—remain within the Section 174 umbrella throughout the developmental phase.

Interplay with the Section 41 Research Credit

While Kilroy dealt with the Section 174 deduction, its implications for the Section 41 Research Tax Credit are profound. The Section 41 credit is a more lucrative but more restrictive incentive that provides a credit for increasing research activities. To qualify for the credit, a taxpayer must pass the "Four-Part Test," the first of which is the "Section 174 Test".

The Four-Part Test Constraints

• Section 174 Test: The expenditure must be eligible for treatment as a deduction (now amortization) under Section 174.
• Technological Information Test: The research must be intended to discover information that is technological in nature, relying on the principles of engineering, physics, biology, or computer science.
• Business Component Test: The research must relate to a new or improved business component held for sale, lease, or license, or used in the taxpayer’s own business.
• Process of Experimentation Test: Substantially all of the activities must constitute a process of experimentation involving the identification of uncertainty and the evaluation of alternatives.

The "Carrying On" Distinction

A critical hurdle for "Kilroy-style" independent inventors seeking the Section 41 credit is the "carrying on" requirement. Unlike Section 174, which only requires that research be "in connection with" a business, Section 41 requires that the expenses be incurred in "carrying on" a trade or business. This means that while a startup can amortize its R&E costs under Section 174 from day one, it might not be eligible to claim the Section 41 tax credit until it has reached the "going concern" stage of operation—meaning it is ready to sell its product or license its technology.

Modern Implications: Mandatory Capitalization and the TCJA

The landscape of R&D taxation shifted dramatically with the enactment of the Tax Cuts and Jobs Act of 2017. Beginning in 2022, Section 174 no longer permits the immediate expensing of R&E costs. Instead, taxpayers must capitalize these costs and amortize them over five years for domestic research or fifteen years for foreign-based research.

Strategic Reversal of the Kilroy Precedent

Before 2022, the Kilroy decision was a weapon for the taxpayer, allowing them to pull more costs into the "deductible" Section 174 category. In the post-TCJA environment, the situation has reversed. Because Section 174 costs must now be capitalized over 5 to 15 years, while Section 162 operating expenses remain 100% deductible in the current year, the IRS may use Kilroy to argue that certain overhead costs (like travel and phone) are actually Section 174 costs that must be capitalized.

This creates an "unforeseen tax liability" for many companies, as they find a greater portion of their operating budget being pushed into the amortization pool. For a small inventor, this could mean that the costs of maintaining an office and communication lines are no longer immediate tax write-offs but must be recovered slowly over five years.

Foreign Research and the 15-Year Penalty

The TCJA’s distinction between domestic and foreign research is particularly impactful for modern technology companies that rely on overseas software development teams. Expenditures incurred for research performed outside the United States must be amortized over 15 years. This creates a significant drag on cash flow and may burden companies with a "substantial increase in taxable income" during the initial 15-year period of the new regime.

Contract Research and Substantial Rights

The Kilroy court’s emphasis on the "business of inventing" also informs the modern debate over "funded research." Under both Section 174 and Section 41, only the party that bears the economic risk of the research and retains "substantial rights" to the results is entitled to the tax benefits.

The Economic Risk of Failure

If a taxpayer pays a third party to conduct research, but the payment is contingent on the success of that research, the payer is not "funding" the research in the tax sense; rather, the researcher is bearing the risk. In such cases, the researcher (the contractor) is eligible to claim the research credit, provided they retain substantial rights. This "contingent on success" rule is a "mirror image" provision designed to ensure that only one party—the one who loses money if the research fails—receives the tax incentive.

Substantial Rights and Notice 2024-12

Recent IRS guidance, such as Notice 2023-63 and Notice 2024-12, has clarified that for a research provider to claim Section 174 expenditures, they must have an "SRE product right"—the right to use, sell, lease, or license the resulting research in their own trade or business. This aligns with the Kilroy analysis, which credited the taxpayer for his intention to exploit his patents through licensing. If a developer performs work for a client and gives away all intellectual property rights without retaining the right to use the underlying technological information, they are considered "fully funded" and cannot claim the credit or the Section 174 deduction.

Documentation and Substantiation: Lessons for Future Applications

A primary reason taxpayers fail in post-Kilroy litigation is a lack of documentation. While Kilroy succeeded because his "numerous patents" provided objective proof of his business, modern courts require far more detailed records to substantiate that activities were part of a "process of experimentation".

The Failure of General Testimony

In cases like Nevco v. Commissioner and Moore v. Commissioner, the Tax Court ruled against taxpayers who relied on oral testimony or broad summaries of their R&D work. In Nevco, the court disqualified the wages of a COO because there was no documentation showing he directly supervised the specific research activities; being "two layers removed" from the actual work was insufficient to meet the "direct supervision" requirement. Similarly, the court in Tax & Accounting Software Corp. v. United States emphasized that a taxpayer must be able to articulate the specific uncertainty each activity was intended to eliminate.

The Documentation Checklist

To withstand an IRS audit in the modern era, taxpayers must maintain a "research credit documentation checklist" that links financial expenditures to technical activities:

Intellectual Property and Equity Considerations

The Kilroy case also highlights the issue of "horizontal equity" in the tax system—the principle that similarly situated taxpayers should be treated similarly. Scholars have pointed out that the tax treatment of intellectual property is often inconsistent. For example, an individual who sells a patent may receive capital gains treatment under the Section 1235 safe harbor, whereas a corporation selling the same patent may face ordinary income treatment.

Furthermore, the tax code explicitly favors technological innovation over other forms of creativity. While a software developer or a mechanical engineer can currently benefit from Section 174’s special treatment, a novelist or a songwriter generally must capitalize their "copyright creation costs" under Section 263A. This preference for technological "research and development costs in the experimental or laboratory sense" reflects a clear national policy to subsidize those activities that create the greatest positive externalities for the economy.

Future Outlook: Navigating the Capitalization Era

As we move deeper into the era of mandatory Section 174 capitalization, the Kilroy decision remains a double-edged sword. On one hand, it protects the "business of inventing" as a valid pursuit, ensuring that individuals and small startups can access R&D tax benefits. On the other hand, the broad definition of R&E costs established in Kilroy may now increase the tax burden on those same innovators by forcing more of their overhead into the five-year amortization bucket.

The Role of Software Development

One of the few areas where the tax code provides explicit clarity is software development. Section 174(c)(3) requires that any cost incurred in connection with the development of software must be treated as an R&E expenditure and amortized. This represents a significant change from previous administrative rulings (like Rev. Proc. 69-21) that allowed for immediate expensing of software development. The Kilroy precedent’s inclusion of utilities and travel will be particularly relevant here, as software developers often incur significant "indirect" costs for remote servers, communication tools, and distributed team travel.

Strategic Recommendations for Taxpayers

For practitioners and taxpayers, the Kilroy legacy suggests a more rigorous approach to cost categorization. If a business is already "carrying on" a trade or business under Section 162, they should carefully evaluate which overhead costs are truly "incident to" research (and thus subject to 5-year amortization) and which are general administrative costs (and thus immediately deductible).

Moreover, the "substantial rights" issue will become a cornerstone of contract negotiations. In the post-Kilroy world, every research contract should clearly define who retains the right to exploit the technology. For the researcher, retaining even a non-exclusive right to use the technical data can be the difference between claiming the Section 41 credit or losing it entirely.

Conclusion: The Enduring Impact of Kilroy v. Commissioner

Kilroy v. Commissioner is more than a historical footnote; it is a foundational text in the dialogue between the American tax system and the inventive spirit. By providing a judicial seal of approval for the professional inventor and the inclusion of indirect overhead as R&E costs, the court ensured that the legislative intent of Section 174—to stimulate the search for new products—was not stifled by a narrow interpretation of "trade or business".

As we navigate the fiscal complexities of the 21st century, the principles of Kilroy and Snow remain essential. They remind us that the tax code is not merely a revenue-raising tool but a powerful instrument of economic policy. The success of future R&D applications in the USA will depend on the ability of taxpayers to weave their activities into the narrative of professional innovation that James E. Kilroy so successfully defended. Through meticulous documentation and a nuanced understanding of the shifting boundaries between expensing and capitalization, the "business of inventing" will continue to serve as the engine of American progress.