Tangel v. Commissioner

The federal tax landscape governing research and development (R&D) activities in the United States underwent a significant clarification—and for many contractors, a notable tightening—with the issuance of the United States Tax Court’s decision in Tangel v. Commissioner, T.C. Memo. 2021-1. This case centered on the "funded research" exclusion under Internal Revenue Code (IRC) Section 41(d)(4)(H), specifically focusing on the requirement that a taxpayer performing research for a third party must retain "substantial rights" in the research results to remain eligible for the Credit for Increasing Research Activities. The ruling serves as a critical interpretive bridge between the permissive standards seen in earlier appellate decisions and the more restrictive, contract-centric scrutiny now applied by the Internal Revenue Service (IRS) and the Tax Court. By disallowing nearly one million dollars in credits claimed by the shareholders of Enercon Engineering, Inc., the court provided an exhaustive blueprint of the contractual language that effectively nullifies a contractor’s ability to claim the research credit, even when they bear technical risk and perform highly complex engineering work.

The Statutory and Regulatory Architecture of Section 41

The Credit for Increasing Research Activities, codified as Section 41, was originally enacted to reverse a perceived decline in industry research spending and to encourage companies to bear the substantial costs associated with initiating or expanding high-technology research programs. To ensure that the credit incentivizes genuine innovation rather than routine business activities, the statute imposes a rigorous "four-part test" that every activity must satisfy to qualify for the credit.

The Four-Part Test of Qualified Research

To be considered "qualified research," an activity must satisfy four cumulative requirements as defined in Section 41(d)(1). The first requirement is the Section 174 Test, which dictates that expenditures associated with the activity must be eligible for treatment as research and experimental expenditures under IRC Section 174. This necessitates that the costs be incurred in connection with the taxpayer's trade or business and represent research and development costs in the experimental or laboratory sense, specifically relating to activities intended to discover information that would eliminate uncertainty concerning the development or improvement of a product.

The second requirement is the Technological Information Test, specifying that the research must be undertaken for the purpose of discovering information which is technological in nature. This means the process must fundamentally rely on the principles of the physical or biological sciences, engineering, or computer science. The third requirement is the Business Component Test, which states that the research must be intended to be useful in the development of a new or improved business component of the taxpayer. A business component includes any product, process, computer software, technique, formula, or invention held for sale, lease, or license, or used in the taxpayer’s trade or business.

The fourth and final requirement is the Process of Experimentation Test, which requires that substantially all of the activities (generally interpreted as 80% or more) must constitute elements of a process of experimentation. This process must be an evaluative one, involving the identification of uncertainty regarding capability, method, or design, and the evaluation of one or more alternatives to resolve that uncertainty through modeling, simulation, or systematic trial and error. While these tests define the nature of qualified research, the eligibility of a specific party to claim the credit is further determined by the "funded research" exclusion under Section 41(d)(4)(H).

The Funded Research Exclusion and the Mirror Image Rule

The federal research credit is structured to avoid "double dipping," where two parties—the contractor performing the work and the client paying for it—both claim a credit for the same dollar of research. Section 41(d)(4)(H) stipulates that research is not qualified research to the extent it is funded by any grant, contract, or otherwise by another person or governmental entity. To determine which party is entitled to the credit, Treasury Regulation Section 1.41-4A(d) establishes two primary factors: economic risk and substantial rights.

The interaction of these factors is often described as a "mirror image" rule. If the client bears the financial risk and owns the resulting rights, the client may claim the contract research expense credit, which is generally 65% of the payment made to the contractor. In this scenario, the contractor is barred from claiming any credit. Conversely, if the contractor bears the risk and retains substantial rights, the contractor may claim the credit based on its internal costs, such as wages and supplies, while the client is barred from claiming the credit for those payments. Generally, research is considered funded unless the taxpayer can demonstrate that payment is contingent on the success of the research and that the taxpayer retains substantial rights in the research results.

Factual Background of Tangel v. Commissioner

The petitioners in the case, Edward J. and Beatrice C. Tangel, were shareholders of Enercon Engineering, Inc. (Enercon), an S corporation specializing in the design and production of integrated controls and switchgears for custom applications in the power generation industry. For the tax years 2008 through 2010, Enercon claimed research tax credits totaling $929,668, based on qualified research expenses (QREs) incurred across 142 different projects. The IRS disallowed these credits in their entirety, asserting that the research was fully funded by Enercon’s customers.

For procedural efficiency, the Tax Court limited its initial review to a single representative project, identified as Project No. 37688. In this project, Enercon was contracted by Vericor Power Systems LLC (Vericor) to develop a new enclosure for a turbine power generation unit and to retrofit three existing units. The project involved complex integration, assembly, and packaging of controls—activities that Enercon argued met the four-part test for qualified research. The critical issue before the court was not the technical complexity of the work, but the nature of the legal agreement governing that work.

Judicial Analysis of the "Substantial Rights" Requirement

The core of the Tangel decision rested on Treasury Regulation Section 1.41-4A(d)(3)(i), which states: "If a taxpayer performing research for another person retains no substantial rights in research under the agreement providing for the research, the research is treated as fully funded". The court's task was to interpret the specific restrictions placed on Enercon's use of the technical data and designs it produced under the Vericor agreement.

The Paragraph 15 Impediment

The Tax Court’s decision centered almost exclusively on Paragraph 15 of the governing Terms and Conditions, titled "Designs, Drawings, and Data". This paragraph created an expansive definition of "Information" that effectively encompassed all technical outputs of the project. The contract stated that Enercon "shall not use or disclose such Information except in the performance of Orders for Buyer [Vericor]". Furthermore, it mandated that upon Vericor’s request, all such information and copies must be returned to the buyer. The court observed that these provisions created a broad prohibition against Enercon using the results of its research for any purpose outside of the Vericor project without explicit written consent.

Copyright and "Works Made for Hire"

Further complicating the taxpayer's claim was Paragraph 15(B), which stipulated that information prepared by Enercon specifically in connection with the order, including original works of authorship, were considered "works made for hire" within the meaning of U.S. Copyright Laws. This clause meant that Vericor was deemed the author of such works and held all associated copyright interests. In the event a court found that any such work was not a "work made for hire," the contract contained a "catchall" provision stating that Enercon irrevocably assigned all right, title, and interest in and to such work to Vericor. The cumulative effect of these clauses was to strip Enercon of any legal ability to monetize or re-use its research independently.

The Rejection of "Institutional Knowledge"

In a pivotal argument, the petitioners contended that Enercon retained substantial rights because its engineers gained "institutional knowledge" and skills through the performance of the research, which could be applied to future projects. The Tax Court rejected this argument categorically, equating institutional knowledge to an "incidental benefit" of performing research. Under the regulations, a taxpayer does not retain substantial rights if their only benefit is the experience gained, while the legal right to use the results is withheld or requires a license fee to be paid to the owner. The court reasoned that if a taxpayer must ask for permission, with no guarantee of approval, to use its own research results, it does not truly have any rights in that research.

Comparative Jurisprudence: Distinguishing Precedent

To understand the implications of Tangel, it must be compared with other high-profile cases where the substantial rights test was applied differently, such as Lockheed Martin Corp. v. United States and Populous Holdings, Inc. v. Commissioner.

Lockheed Martin and the Non-Exclusive Standard

In Lockheed Martin Corp. v. United States, 210 F. 3d 1366 (Fed. Cir. 2000), the Federal Circuit ruled in favor of the taxpayer, holding that the right to use research results without paying for that use constitutes a substantial right. Crucially, the court in Lockheed held that rights do not need to be exclusive to be substantial. Lockheed was permitted to use the research results in its own business, even though the government also had rights to use them. In contrast, the Tangel court found that Enercon's right was not merely non-exclusive; it was non-existent without Vericor's consent.

Populous Holdings and the Retention of Methodology

Populous Holdings, Inc. v. Commissioner represents a more recent instance where the Tax Court sided with the taxpayer on similar grounds. Populous, an architectural design firm, entered into contracts where the clients owned the physical documents and copyrights. However, the court found that Populous retained meaningful rights because it was free to use any design details that were repetitive and was not required to pay its clients for the use of the research technology in its business. The Populous court determined that because no provisions within the contracts prohibited the firm from using the related research technology and the agreements did not require payment for such use, substantial rights were retained.

Analysis of Economic Risk in Contracting

While the Tangel decision focused primarily on the rights prong of the funding test, the risk prong is equally vital for contractors seeking the research credit. To be considered unfunded from a risk perspective, the research must be performed at the contractor's financial risk, meaning the amounts payable under the agreement must be contingent on the success of the research.

The Success Contingency

Generally, a fixed-price contract places the economic risk on the contractor because the contractor is obligated to deliver the agreed result regardless of the time or resources spent. If the research fails or costs exceed the budget, the contractor bears the loss. Conversely, a "time and materials" contract usually places the risk on the client, as the contractor is paid for effort regardless of the outcome. In Tangel, the court did not reach a final determination on the risk factor because the lack of substantial rights was sufficient to classify the research as fully funded. However, the case highlights that even a contractor bearing significant financial risk will be denied the credit if they fail the substantial rights test.

Acceptance and Inspection Clauses

The Fairchild Industries, Inc. v. United States (1995) case established that the inquiry for risk is who bears the cost of failure. If a client can reject the final product and withhold payment due to a failure to meet specifications, the contractor is considered to be at risk. Similarly, in Populous, the court looked at the company's fixed-price contracts and noted that if its research failed, the company had to fix problems at its own cost without extra pay, which satisfied the risk requirement.

Documentation and the Process of Experimentation Test

Beyond the funding issue, the Tangel decision and subsequent cases like Phoenix Design Group, Inc. v. Commissioner (2024) emphasize the critical importance of contemporaneous documentation in sustaining research credits. In Phoenix Design Group, the Tax Court denied all research credits because the taxpayer failed to show that substantially all activities related to the business components constituted a process of experimentation (POE). The court noted that merely complying with building codes or performing routine design adaptations is not enough to meet the definition of qualified research.

The Shrinking-Back Rule

The regulations provide a "shrinking-back" rule under Treasury Regulation Section 1.41-4(b)(2), which allows the requirements of Section 41 to be applied at the level of a discrete sub-component if the overall business component fails to qualify. However, as seen in Phoenix Design Group and Little Sandy Coal Co. v. Commissioner (2023), the shrinking-back rule cannot be applied if the taxpayer lacks the specific, contemporaneous documentation necessary to support eligibility even at the sub-component level.

Implications for Future R&D Tax Credit Applications

The Tangel decision carries profound implications for contractors, engineers, and custom manufacturers. It signals that the IRS will use contract language as a primary tool to disqualify credits before even considering the technical merits of a research project.

Contractual Vulnerability

Taxpayers must now recognize that broad IP protection clauses, often viewed as "boilerplate" protection for clients, are toxic to the R&D credit. For a contractor to remain eligible, the contract must explicitly permit the contractor to use the research results for other clients without needing the original client's permission. If a contract designates work as "work made for hire" or requires all information to be returned to the buyer upon request, it is highly likely the credit will be denied under the Tangel precedent.

The Nuclear and Specialized Engineering Sector

The implications are particularly acute for sectors like nuclear engineering and power generation, where companies like Enercon Services, Inc. (a distinct entity from Enercon Engineering involved in Tangel) perform highly technical studies, such as seismic vulnerability assessments and decommission cost estimates. While these activities involve massive technical effort and scientific principles, the governing contracts often vest all rights in the utility or government client to ensure regulatory and safety compliance. Under the Tangel standard, these firms may find themselves performing millions of dollars in "qualified research" but receiving zero tax benefits.

Strategic Recommendations for Taxpayers

To mitigate the risks posed by the Tangel decision, taxpayers should adopt several strategic measures in their contracting and documentation processes. First, they should ensure that service agreements affirmatively state that the contractor retains a non-exclusive right to use the research results in their business. Second, they should avoid "work made for hire" designations whenever possible, opting instead for a license-back arrangement if the client insists on ownership of the final designs.

Furthermore, taxpayers should adopt activity-level time tracking that maps directly to the resolution of specific technical uncertainties. As the court noted in Phoenix Design Group, generic narratives and departmental allocations are no longer sufficient to prove a process of experimentation. The documentation must show the hypothesis, the alternatives evaluated, and the iterative testing performed.

Mathematical Modeling of the R&D Credit Formula

The financial impact of a "funded research" determination can be illustrated through the basic incremental credit formula. The federal research credit is generally calculated as 20% of the excess of current-year QREs over a base amount. If a company's research is deemed funded, its QREs drop to zero, effectively eliminating the credit.

For Enercon, the $929,668 in credits represented a significant reduction in tax liability that was entirely lost because of a single paragraph in their contract. This underscores that the research credit is not just a technical or engineering matter, but a legal and contractual one.

Future Outlook: Legislative and Administrative Trends

The Tangel decision reflects a broader trend of increased administrative and judicial scrutiny of the research credit. The IRS has designated the research credit as a "Large Business and International" (LB&I) priority, leading to a rise in audits focused on the funded research exclusion. Additionally, the Tax Cuts and Jobs Act of 2017 (TCJA) introduced a significant change by requiring research expenses under Section 174 to be capitalized and amortized over five years (or fifteen years for foreign research), rather than being immediately deductible. This change increases the importance of the research credit as a mechanism to offset the higher tax burden resulting from capitalization, yet Tangel makes it harder for many firms to claim that very credit.

The Seventh Circuit's ruling in Little Sandy Coal Co. (2023) offered a small window of hope by suggesting that production activities can be included in the "substantially all" calculation if they are part of a process of experimentation. However, this does not alleviate the funding problem; if the contract for that production work lacks substantial rights, the research is still disqualified regardless of how well the experimentation is documented.

Conclusion

Tangel v. Commissioner represents a pivotal moment in the history of the Section 41 research credit, marking a definitive shift toward a contract-supremacy model in determining research funding. The court's rejection of "institutional knowledge" as a substantial right has fundamentally changed the risk profile for engineering and design firms that perform work under "work made for hire" contracts. To remain competitive and tax-efficient, modern contractors must bridge the gap between their legal, tax, and engineering departments, ensuring that the contracts they sign do not inadvertently forfeit the lucrative tax subsidies intended to support their innovative work. As the standard for what constitutes "substantial rights" continues to be litigated, the Tangel case remains the definitive warning that in the eyes of the Tax Court, the rights you retain on paper are more important than the knowledge you keep in your head.