Research and Development Costs: A Simple GAAP Guide

Research and development (R&D) costs are generally expensed as incurred under U.S. generally accepted accounting principles (GAAP), as required by Accounting Standards Codification (ASC) Topic 730. Research is a planned search for new knowledge. Development turns that knowledge into a design for a new product, process, or significant improvement. Equipment and purchased intangibles with alternative future uses are capitalized instead.

This distinction matters because an incorrect label can overstate assets or put expenses in the wrong category. An alternative future use means the item can serve other projects or normal operations, and its depreciation or amortization during R&D still counts as R&D expense. This guide covers the classification and presentation rules from Intermediate Accounting (Wiley section 11.4), which are core material for CPA Financial Accounting and Reporting (FAR) study. It focuses on financial reporting, with a short tax note near the end.

What are research and development costs?

Research is a planned effort to discover useful knowledge. Development turns knowledge into a design or workable approach. Building and testing a prototype can qualify even when the company already knows the scientific principle behind it.

A project need not create an entirely new industry. A significant improvement to an existing product can qualify. However, routine refinements, ordinary production support, and market surveys do not become R&D simply because someone calls them “research.” Ask what the work actually accomplishes.

The Financial Accounting Standards Board (FASB) sets U.S. accounting standards for businesses and nonprofits. Its authoritative rules live in the Accounting Standards Codification (ASC). Research and development is ASC Topic 730. The definitions are in ASC 730-10-20, and the rule to expense R&D costs when incurred is ASC 730-10-25-1. You can read Topic 730 for free in the FASB’s basic view of the Codification.

Why are research and development costs expensed?

A company spends money on innovation because it hopes to earn future revenue. That hope does not reliably identify which project will succeed, how large the benefit will be, or how long it will last. Recording all such spending as an asset would make reported amounts depend heavily on uncertain forecasts.

Expensing provides a consistent starting point. It does not mean research is worthless. A useful invention can emerge after years of expenditures that were properly recognized as expenses. Later success does not turn those earlier expenses into a new patent balance.

Also, “development” is not an automatic capitalization trigger under U.S. GAAP. International Financial Reporting Standards (IFRS) have a different development-cost model. The IFRS Foundation’s IAS 38 overview explains that distinction. Apply the framework named in your problem rather than combining the two approaches.

Studying IFRS in more depth? See the International Accounting course.

Which costs enter R&D expense?

Include compensation for employees doing R&D, materials consumed in that work, services purchased for the company’s R&D, and a reasonable allocation of related indirect costs. For example, laboratory utilities may support research even though no single experiment uses the entire utility bill.

General executive and administrative costs belong in R&D only when they are clearly related to the research activity. A chief executive’s ordinary salary is not automatically research expense because the company operates a laboratory.

Equipment, facilities, and intangible assets purchased from others need one extra test: do they have an alternative future use? That means the item can serve other research projects or normal operations after the current project.

If yes, record the item as an asset. Only the depreciation or amortization for the period it is used in R&D goes into R&D expense.

If no, the entire cost is R&D expense when the item is acquired, even if it will last for years. See R&D capitalization and journal entries for the asset test and calculation.

What Is Not Included in R&D?

Some work looks technical but is not R&D. ASC 730-10-55-2 lists these activities. Their costs are still expensed or capitalized under other rules, just not reported as R&D:

• Engineering follow-through in an early phase of commercial production
• Quality control during commercial production, including routine product testing
• Troubleshooting breakdowns during commercial production
• Routine, ongoing efforts to refine or improve an existing product
• Adapting an existing capability to a particular customer’s need as part of ongoing business
• Seasonal or other periodic design changes to existing products
• Routine design of tools, jigs (guides that hold work in place), molds, and dies
• Construction, relocation, or start-up of facilities or equipment, unless the facility is used only for a specific R&D project
• Legal work on patent applications or litigation, and the sale or licensing of patents

Topic 730 also does not cover market research or market testing, or R&D that a company performs for others under a contract.

A simple classification example

Hypothetical example. Brook Labs incurs $68,000 of researcher salaries, $12,000 of materials consumed in experiments, $9,000 for outside prototype testing, and $6,000 of laboratory overhead. It also pays $5,000 for a customer-preference survey and $4,000 of unrelated office administration. Assume no asset exception applies.

Research and development costs charged to expense are $95,000: $68,000 + $12,000 + $9,000 + $6,000. The survey and office administration are other operating expenses. They are excluded from the R&D total, but they do not disappear from the income statement.

Suppose Brook Labs wrongly added the $5,000 survey and the $4,000 of office administration ($9,000 total) to R&D. Total pretax income would not change, because all six amounts are expensed in the same period either way. But the R&D disclosure would be overstated, and readers would get the wrong picture of what the company spends on innovation. Classification and capitalization are separate questions.

Here is the summary journal entry, assuming Brook Labs paid or accrued all of these costs this period:

Total debits of $104,000 equal total credits. Notice that nothing is recorded as an asset, because no alternative-future-use item was involved.

Want to practice this step by step? Professor Farhat’s Intermediate Accounting course covers R&D, intangible assets, and related topics in video lectures you can follow at your own pace.

How are research and development costs presented?

Disclose the total R&D cost charged to expense for each period for which an income statement is presented. The amount can appear in the financial statements or accompanying notes; some companies show a separate R&D line on the income statement.

This disclosure requirement comes from ASC 730-10-50-1. Disclosure helps readers see innovation spending even though the company does not recognize its internally generated project value as an asset.

Hypothetical disclosure: “Research and development expense was $95,000 in Year 2 and $88,000 in Year 1.” If Year 2 sales are $950,000, R&D expense equals 10% of sales. This ratio describes spending intensity; it does not measure research success or establish an intangible asset’s value.

What About Software and Acquired R&D?

A few related situations follow different rules:

• Software to be sold, leased, or marketed: Under ASC 985-20, costs incurred before the product reaches technological feasibility are R&D expense. Certain costs after that point are capitalized.
• Internal-use software: Qualifying software developed for internal use follows ASC 350-40, which permits capitalization of certain costs. However, internally developed software that is a pilot project or is used in a particular R&D project is expensed under ASC 730, even if it has alternative future uses.
• R&D acquired in a business combination: In-process research and development (IPR&D), meaning unfinished projects bought as part of acquiring a business, is recognized at fair value as an indefinite-lived intangible asset until the project is completed or abandoned.
• R&D acquired in an asset purchase that is not a business: IPR&D with no alternative future use is expensed.

Are R&D Costs Deductible for Tax Purposes?

Tax rules are separate from GAAP, so keep the two apart on exams and in practice.

For tax years beginning after December 31, 2024, Internal Revenue Code (IRC) Section 174A lets businesses deduct domestic research or experimental expenditures right away. A business can instead elect to capitalize and amortize them. This change came from the One Big Beautiful Bill Act, signed July 4, 2025.

Research performed outside the United States stays under IRC Section 174 and is amortized over 15 years.

Under the rules originally applicable to tax years beginning in 2022 through 2024, domestic research costs were amortized over five years, creating book-tax differences. Subsequent legislation provided transition relief, including retroactive deductions for eligible small businesses that made a timely election and accelerated recovery of certain unamortized domestic research costs. See IRS Revenue Procedure 2025-28 for eligibility requirements and election procedures.

The tax definition of research or experimental expenditures is not identical to ASC 730, so the book R&D total and the tax deduction can still differ.

Common mistakes to avoid

• Calling every improvement R&D. Separate significant experimental development from routine changes.
• Treating all new-business spending as research. Opening an operation and promoting a product have different purposes. Compare start-up costs, advertising, and R&D.
• Waiting for the project result. Recognize qualifying R&D costs when incurred rather than deferring them until success or failure.
• Expensing every piece of lab equipment. Equipment with an alternative future use is an asset. Only its depreciation during R&D is R&D expense.
• Capitalizing equipment that has no other use. If the equipment only serves one project, its full cost is R&D expense right away.
• Calling patent legal fees R&D. Patent application and defense costs are excluded from R&D expense. Evaluate them separately to determine whether capitalization criteria are met or they should be expensed in another category.
• Using the IFRS rule on a U.S. GAAP question. Ordinary development costs covered by ASC 730 are generally expensed, even when success looks likely. Evaluate qualifying software costs and acquired in-process R&D under their applicable guidance.

Practice questions with explained answers

1. Is a prototype a research activity or a development activity?

Answer: Ordinarily development, because the prototype applies knowledge to a proposed product or process. That classification does not, by itself, permit capitalization under U.S. GAAP.

2. Researchers earn $44,000; consumed supplies cost $7,000; unrelated executive salaries are $13,000. What is R&D expense?

Answer: $51,000. Add researchers’ compensation and consumed supplies. Exclude unrelated executive pay from R&D, while recognizing it in its proper expense category.

3. A company expenses $120,000 of research in Year 1 and obtains a successful product in Year 2. Can it reinstate the $120,000 as an asset?

Answer: No. Later success does not reverse the proper Year 1 expense treatment. Separately qualifying asset costs must be evaluated on their own facts.

4. Equipment costs $60,000, has a 5-year life, and can be used in future projects. Other lab equipment costing $15,000 has no other use. Researcher salaries are $40,000. Assume straight-line depreciation, no residual value, and a full year of R&D use for the $60,000 equipment. What is Year 1 R&D expense?

Answer: $67,000. The $60,000 equipment has an alternative future use, so it is capitalized. Only its Year 1 depreciation goes to R&D: $60,000 / 5 = $12,000 (straight-line, no salvage value, used in R&D all year). The $15,000 equipment has no other use, so all of it is R&D expense now. Add the $40,000 of salaries: $12,000 + $15,000 + $40,000 = $67,000.

Key Takeaways

• Ordinary R&D costs covered by ASC 730 are generally expensed as incurred. Later project success does not reverse expenses properly recognized in earlier periods.
• Research looks for new knowledge. Development turns knowledge into a design or prototype for a new product, process, or significant improvement.
• R&D expense includes researcher pay, materials used, outside R&D services, and a reasonable share of related overhead.
• Equipment and purchased intangibles with alternative future uses are capitalized. Only the depreciation or amortization used in R&D is R&D expense.
• Quality control, routine product tweaks, market research, and patent legal fees are not R&D.
• Companies must disclose total R&D expense for each income statement period presented.
• IFRS requires capitalization of development costs once the IAS 38 criteria are met. Under U.S. GAAP, ordinary development costs covered by ASC 730 are generally expensed. Qualifying software costs and acquired in-process R&D follow separate guidance.

Frequently asked questions

Are research and development costs intangible assets?

No. Ordinary internally incurred R&D costs are expenses. Research can lead to an intangible asset, such as a patent, but the legal right and the R&D spending are separate accounting items. See intangible assets accounting for how patents and other intangibles are recorded.

Does paying an outside laboratory change the rule?

No. Services purchased for the company’s own R&D are generally expensed as the services are performed. Do not confuse the customer’s accounting with a contractor doing reimbursable work for a client.

Is market research included in R&D?

No. Studying customer demand is a marketing activity, even though its name contains the word research.

What is the difference between research and development?

Research looks for new knowledge. Development uses research findings or other knowledge to design, build, and test something new or significantly improved, such as a prototype. Under U.S. GAAP, ordinary research and development costs covered by ASC 730 are generally expensed as incurred. Qualifying software costs and acquired in-process R&D follow separate guidance.

Can development costs ever be capitalized under U.S. GAAP?

Yes, when the applicable guidance permits capitalization. Ordinary development costs covered by ASC 730 are generally expensed. Qualifying software costs follow ASC 985-20 or ASC 350-40, and in-process R&D acquired in a business combination is recognized as an intangible asset. Equipment and purchased intangibles with alternative future uses may also qualify for capitalization.

Are patent legal fees R&D costs?

No. Patent application and defense costs are excluded from R&D expense. Whether these costs are capitalized or expensed requires a separate assessment. Capitalization of patent defense costs may be appropriate when a successful defense is likely and there is evidence that it increases the patent’s value. In practice, patent application and litigation costs are often expensed because outcomes and future benefits are uncertain.

Are R&D costs tax deductible?

Yes. For tax years beginning after December 31, 2024, domestic research or experimental expenditures can be deducted under IRC Section 174A. Foreign research is amortized over 15 years under Section 174. Transition provisions also affect recovery of certain domestic research costs from 2022–2024, subject to eligibility requirements and timely elections.

Sources and lesson context

This original guide supports Wiley Intermediate Accounting, section 11.4: Research and Development Costs. All numerical examples and practice questions here are hypothetical and were created for this guide. Use the reporting framework and assumptions stated in your assigned problem.

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About the Author

Mansour Farhat, CPA, CIA, DBA, is a veteran accounting educator and the founder of Farhat Lectures and its YouTube channel. He helps students move from their first accounting course to the CPA, CMA, and EA exams with clear lessons and worked examples. Learn more about Professor Farhat.