Tax Legal Services · Primary-source case analysis

Snow: Development Before Sales Satisfied the Historical Research-Expense Rule

By Aneeta Mishra and Timothy Chan

Published August 13, 2026 · Updated October 18, 2026

Decision: Snow v. Comm’r, 416 U.S. 500 (1974).

A product had not reached the market, but its development was already underway. Snow v. Commissioner, 416 U.S. 500 (1974), held that the absence of current sales did not defeat the deduction under the research-expense provision then in force. The decision turned on the words “in connection with” a trade or business. It did not announce that every startup expense qualifies as research or that all Code provisions use the same business threshold.

Development work had begun even though sales had not

Snow contributed $10,000 for a four-percent limited-partnership interest in a venture developing a special-purpose incinerator. The inventor had made prototypes, additional models were built and tested, and an outside engineering firm performed shop work. There were no sales in 1966, the year of the claimed loss. Those concrete development activities mattered: This was not simply an investor hoping to find a business someday. The Court also said the venture’s sole drive was a profit motive; it declined an invitation to analyze hobby losses. Snow, 416 U.S. at 501–502, 504.

The lower courts imported an operating-business requirement

The Tax Court and Sixth Circuit sustained the disallowance. The Supreme Court rejected using the narrower section 162 formulation—expenses incurred in carrying on a trade or business—to determine the reach of the then-current section 174. Requiring an established selling operation would disadvantage a developing venture precisely when it was searching for a viable product. The Court reversed; it did not require proof that the partnership had already made sales. Snow, 416 U.S. at 501, 503–504.

The Court relied on the particular words of section 174

The opinion noted that “trade or business” appeared in many Code sections, but emphasized the different surrounding words in the provision before it. That is a caution against borrowing a test from a different deduction simply because both mention a business. Congress’s stated goal of encouraging small and growing research ventures supported the text. The contractor’s shop work also appeared in the factual record and the regulation quoted in footnote 2; the Court did not require all experimentation to be performed personally by the limited partner. Snow, 416 U.S. at 502 footnote 2, 503–504.

The 1966 deduction does not settle a current return

This holding concerns the law applied to the partnership’s 1966 expenditures. It is not a current research-cost election or a complete guide to present deduction timing. For a current return, counsel must identify the operative tax-year provisions, the location and nature of the work, and any applicable election or transition rule before deciding treatment. The 1974 opinion alone cannot supply that answer. Preserve contemporaneous project records rather than relying only on a later label such as “startup” or “R&D.”

Key takeaways

• Identify the development work actually performed during the year of the claimed expense.
• Read the business-connection language of the particular provision being applied.
• Separate the historical absence-of-sales holding from current deduction timing.
• Bring the project records and tax-year history before selecting a present tax position.