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The Docket · Brief · Pro level

Populous Holdings v. Commissioner: fixed-fee design contracts are not funded

In a 2019 summary judgment order, the Tax Court held that an architecture firm's fixed-fee design contracts were not funded research — the firm bore the risk of redesign at its own cost and retained substantial, non-exclusive rights in its design knowledge.

By The Carryforward Desk3 min read · June 22, 2026

Populous Holdings, Inc. v. Commissioner, Tax Court Docket No. 405-17 (order granting summary judgment, December 6, 2019), extended the funded-research doctrine to professional design services and did so on summary judgment — the contracts alone answered the question. The Tax Court held that an architecture firm's fixed-fee design agreements were not "funded" under Section 41(d)(4)(H): payment was contingent on delivering satisfactory design work, so the firm bore the risk of failure, and the firm retained substantial rights because nothing barred it from reusing the knowledge its design work generated. Because the order resolved the issue as a matter of contract interpretation, it has become the template taxpayers cite when the IRS asserts funding against fixed-fee service providers.

The dispute

Populous (a sports-and-entertainment architecture firm) claimed research credits for design work performed under client contracts in 2010 and 2011; the IRS determined deficiencies of roughly $1.9 million, contending the research was funded by the clients who commissioned and paid for the projects. Both sides moved for summary judgment on five representative contracts — fixed-price arrangements under which Populous performed design services, clients paid agreed fees in installments, clients could reject or require correction of nonconforming work, and clients generally owned the project design documents.

The holding

The Tax Court granted summary judgment for the taxpayer on both prongs of Treas. Reg. §1.41-4A(d). On risk, the contracts paid for a completed, satisfactory design product rather than for research effort: no contract obligated the client to pay for Populous's research as such, clients could withhold payment for unsatisfactory work, and Populous had to correct defective designs at its own expense — payment was therefore contingent on success under Fairchild. On rights, the court held Populous retained substantial rights in the research. Although clients owned the drawings and documents for their projects, no contract prohibited Populous from using the design knowledge, details, and solutions it developed in future engagements. Rights need not be exclusive to be substantial.

The reasoning that matters

Two analytic moves give the order its reach. First, the court treated the absence of any provision requiring the client to pay for research as research as significant: a fixed fee for professional deliverables inherently makes compensation turn on producing acceptable results, and inspection, approval, and correction clauses confirm the allocation of risk. The government's argument that installment billing showed effort-based payment failed for the same reason it failed in Fairchild — interim payments do not negate contingency where the client can ultimately insist on conforming work. Second, on the rights prong, the court distinguished ownership of documents from rights in research results. What Section 41 cares about is the taxpayer's ability to exploit what it learned. A design firm that walks away free to redeploy its engineered solutions, detailing techniques, and accumulated know-how retains substantial rights even though the client keeps the blueprints.

What it means for claims today

Populous is the controlling practical authority for architecture, engineering, and design-services claims, and its logic carries to software consultancies and product-development shops working under fixed fees. It supplies the review checklist: fixed or capped fee for deliverables rather than reimbursed effort; client approval and correction-at-firm-expense clauses; and no contractual bar on reusing knowledge. Where those elements are present, funding challenges are defensible on the documents alone — the summary-judgment posture is itself a strategic point, since taxpayers can seek resolution without a costly trial on project facts. The caveats are real, though. A firm that wins on funding must still prove its design work satisfies the four-part test, including the Section 41(d)(3)(B) style-and-taste exclusion that dooms purely aesthetic design; Populous decided funding, nothing more. And contracts that assign all intellectual property and prohibit reuse of know-how remain vulnerable — the drafting, not the profession, decides the outcome. The redesigned Form 6765 business-component detail makes it prudent to tie each claimed component to the contract type that supports it at filing.

Fairchild Industries supplies the contingency test and Geosyntec the fixed-price/cost-plus dividing line; Dynetics shows the same clauses analyzed contract by contract for a defense contractor. The doctrine is consolidated in the funded research exclusion and situated in the research credit case law map. For the qualification issues a design firm still faces after winning on funding, see the four-part test explained.

Frequently asked questions

What did Populous Holdings decide about architecture firms and the research credit?
Populous Holdings, Inc. v. Commissioner, Tax Court Docket No. 405-17 (order granting summary judgment, Dec. 6, 2019), held that an architectural design firm's fixed-fee contracts were not funded research under Section 41(d)(4)(H). The firm was paid fixed amounts, bore the cost of correcting its own design work, and retained substantial rights to reuse its design knowledge.
Do retained rights have to be exclusive to avoid the funded-research exclusion?
No. Populous confirms that substantial rights need not be exclusive. Even where the client owned the project documents, nothing prevented the firm from using the knowledge, techniques, and design solutions developed on the engagement in future work — and that unrestricted right to use the research results was substantial rights enough.

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